Attachment 138462 Details for Bug 104082 – In 4.16.0-rc7 still not fixed

In 4.16.0-rc7 still not fixed

dmesg30.txt (text/plain), 1.69 MB, created by mikhail.v.gavrilov on 2018-03-31 13:46:31 UTC

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Creator: mikhail.v.gavrilov

Created: 2018-03-31 13:46:31 UTC

Size: 1.69 MB

patch

obsolete

>[    0.000000] microcode: microcode updated early to revision 0x24, date = 2018-01-21
>[    0.000000] Linux version 4.16.0-rc7 (mikhail@localhost.localdomain) (gcc version 7.3.1 20180303 (Red Hat 7.3.1-5) (GCC)) #1 SMP Mon Mar 26 08:41:48 +05 2018
>[    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-4.16.0-rc7 root=UUID=0ee73ea4-0a6f-4d9c-bdaf-94ec954fec49 ro rhgb quiet log_buf_len=900M LANG=en_US.UTF-8
>[    0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
>[    0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
>[    0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
>[    0.000000] x86/fpu: xstate_offset[2]:  576, xstate_sizes[2]:  256
>[    0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format.
>[    0.000000] e820: BIOS-provided physical RAM map:
>[    0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000057fff] usable
>[    0.000000] BIOS-e820: [mem 0x0000000000058000-0x0000000000058fff] reserved
>[    0.000000] BIOS-e820: [mem 0x0000000000059000-0x000000000009efff] usable
>[    0.000000] BIOS-e820: [mem 0x000000000009f000-0x000000000009ffff] reserved
>[    0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000bd69efff] usable
>[    0.000000] BIOS-e820: [mem 0x00000000bd69f000-0x00000000bd6a5fff] ACPI NVS
>[    0.000000] BIOS-e820: [mem 0x00000000bd6a6000-0x00000000be17bfff] usable
>[    0.000000] BIOS-e820: [mem 0x00000000be17c000-0x00000000be6d4fff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000be6d5000-0x00000000db487fff] usable
>[    0.000000] BIOS-e820: [mem 0x00000000db488000-0x00000000db8e8fff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000db8e9000-0x00000000db931fff] usable
>[    0.000000] BIOS-e820: [mem 0x00000000db932000-0x00000000db9edfff] ACPI NVS
>[    0.000000] BIOS-e820: [mem 0x00000000db9ee000-0x00000000df7fefff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000df7ff000-0x00000000df7fffff] usable
>[    0.000000] BIOS-e820: [mem 0x00000000f8000000-0x00000000fbffffff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000fec00000-0x00000000fec00fff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000fed00000-0x00000000fed03fff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed1ffff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000fee00000-0x00000000fee00fff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000ff000000-0x00000000ffffffff] reserved
>[    0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000081effffff] usable
>[    0.000000] NX (Execute Disable) protection: active
>[    0.000000] e820: update [mem 0xbd36f018-0xbd37f857] usable ==> usable
>[    0.000000] e820: update [mem 0xbd36f018-0xbd37f857] usable ==> usable
>[    0.000000] e820: update [mem 0xbd355018-0xbd36e457] usable ==> usable
>[    0.000000] e820: update [mem 0xbd355018-0xbd36e457] usable ==> usable
>[    0.000000] extended physical RAM map:
>[    0.000000] reserve setup_data: [mem 0x0000000000000000-0x0000000000057fff] usable
>[    0.000000] reserve setup_data: [mem 0x0000000000058000-0x0000000000058fff] reserved
>[    0.000000] reserve setup_data: [mem 0x0000000000059000-0x000000000009efff] usable
>[    0.000000] reserve setup_data: [mem 0x000000000009f000-0x000000000009ffff] reserved
>[    0.000000] reserve setup_data: [mem 0x0000000000100000-0x00000000bd355017] usable
>[    0.000000] reserve setup_data: [mem 0x00000000bd355018-0x00000000bd36e457] usable
>[    0.000000] reserve setup_data: [mem 0x00000000bd36e458-0x00000000bd36f017] usable
>[    0.000000] reserve setup_data: [mem 0x00000000bd36f018-0x00000000bd37f857] usable
>[    0.000000] reserve setup_data: [mem 0x00000000bd37f858-0x00000000bd69efff] usable
>[    0.000000] reserve setup_data: [mem 0x00000000bd69f000-0x00000000bd6a5fff] ACPI NVS
>[    0.000000] reserve setup_data: [mem 0x00000000bd6a6000-0x00000000be17bfff] usable
>[    0.000000] reserve setup_data: [mem 0x00000000be17c000-0x00000000be6d4fff] reserved
>[    0.000000] reserve setup_data: [mem 0x00000000be6d5000-0x00000000db487fff] usable
>[    0.000000] reserve setup_data: [mem 0x00000000db488000-0x00000000db8e8fff] reserved
>[    0.000000] reserve setup_data: [mem 0x00000000db8e9000-0x00000000db931fff] usable
>[    0.000000] reserve setup_data: [mem 0x00000000db932000-0x00000000db9edfff] ACPI NVS
>[    0.000000] reserve setup_data: [mem 0x00000000db9ee000-0x00000000df7fefff] reserved
>[    0.000000] reserve setup_data: [mem 0x00000000df7ff000-0x00000000df7fffff] usable
>[    0.000000] reserve setup_data: [mem 0x00000000f8000000-0x00000000fbffffff] reserved
>[    0.000000] reserve setup_data: [mem 0x00000000fec00000-0x00000000fec00fff] reserved
>[    0.000000] reserve setup_data: [mem 0x00000000fed00000-0x00000000fed03fff] reserved
>[    0.000000] reserve setup_data: [mem 0x00000000fed1c000-0x00000000fed1ffff] reserved
>[    0.000000] reserve setup_data: [mem 0x00000000fee00000-0x00000000fee00fff] reserved
>[    0.000000] reserve setup_data: [mem 0x00000000ff000000-0x00000000ffffffff] reserved
>[    0.000000] reserve setup_data: [mem 0x0000000100000000-0x000000081effffff] usable
>[    0.000000] efi: EFI v2.31 by American Megatrends
>[    0.000000] efi:  ACPI=0xdb9ba000  ACPI 2.0=0xdb9ba000  SMBIOS=0xf04c0  MPS=0xfd450 
>[    0.000000] random: fast init done
>[    0.000000] SMBIOS 2.7 present.
>[    0.000000] DMI: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[    0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
>[    0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable
>[    0.000000] e820: last_pfn = 0x81f000 max_arch_pfn = 0x400000000
>[    0.000000] MTRR default type: uncachable
>[    0.000000] MTRR fixed ranges enabled:
>[    0.000000]   00000-9FFFF write-back
>[    0.000000]   A0000-BFFFF uncachable
>[    0.000000]   C0000-CFFFF write-protect
>[    0.000000]   D0000-DFFFF uncachable
>[    0.000000]   E0000-FFFFF write-protect
>[    0.000000] MTRR variable ranges enabled:
>[    0.000000]   0 base 0000000000 mask 7800000000 write-back
>[    0.000000]   1 base 0800000000 mask 7FF0000000 write-back
>[    0.000000]   2 base 0810000000 mask 7FF8000000 write-back
>[    0.000000]   3 base 0818000000 mask 7FFC000000 write-back
>[    0.000000]   4 base 081C000000 mask 7FFE000000 write-back
>[    0.000000]   5 base 081E000000 mask 7FFF000000 write-back
>[    0.000000]   6 base 00E0000000 mask 7FE0000000 uncachable
>[    0.000000]   7 disabled
>[    0.000000]   8 disabled
>[    0.000000]   9 disabled
>[    0.000000] x86/PAT: Configuration [0-7]: WB  WC  UC- UC  WB  WP  UC- WT  
>[    0.000000] e820: update [mem 0xe0000000-0xffffffff] usable ==> reserved
>[    0.000000] e820: last_pfn = 0xdf800 max_arch_pfn = 0x400000000
>[    0.000000] found SMP MP-table at [mem 0x000fd750-0x000fd75f] mapped at [        (ptrval)]
>[    0.000000] Scanning 1 areas for low memory corruption
>[    0.000000] Base memory trampoline at [        (ptrval)] 97000 size 24576
>[    0.000000] Using GB pages for direct mapping
>[    0.000000] BRK [0x381ffc000, 0x381ffcfff] PGTABLE
>[    0.000000] BRK [0x381ffd000, 0x381ffdfff] PGTABLE
>[    0.000000] BRK [0x381ffe000, 0x381ffefff] PGTABLE
>[    0.000000] BRK [0x381fff000, 0x381ffffff] PGTABLE
>[    0.000000] BRK [0x382000000, 0x382000fff] PGTABLE
>[    0.000000] BRK [0x382001000, 0x382001fff] PGTABLE
>[    0.000000] BRK [0x382002000, 0x382002fff] PGTABLE
>[    0.000000] BRK [0x382003000, 0x382003fff] PGTABLE
>[    0.000000] BRK [0x382004000, 0x382004fff] PGTABLE
>[    0.000000] BRK [0x382005000, 0x382005fff] PGTABLE
>[    0.000000] BRK [0x382006000, 0x382006fff] PGTABLE
>[    0.000000] BRK [0x382007000, 0x382007fff] PGTABLE
>[    0.000000] log_buf_len: 1073741824 bytes
>[    0.000000] early log buf free: 254396(97%)
>[    0.000000] Secure boot disabled
>[    0.000000] RAMDISK: [mem 0x36b1d000-0x3cfd6fff]
>[    0.000000] ACPI: Early table checksum verification disabled
>[    0.000000] ACPI: RSDP 0x00000000DB9BA000 000024 (v02 ALASKA)
>[    0.000000] ACPI: XSDT 0x00000000DB9BA080 00007C (v01 ALASKA A M I    01072009 AMI  00010013)
>[    0.000000] ACPI: FACP 0x00000000DB9C6E20 00010C (v05 ALASKA A M I    01072009 AMI  00010013)
>[    0.000000] ACPI: DSDT 0x00000000DB9BA190 00CC8D (v02 ALASKA A M I    00000088 INTL 20091112)
>[    0.000000] ACPI: FACS 0x00000000DB9EC080 000040
>[    0.000000] ACPI: APIC 0x00000000DB9C6F30 000092 (v03 ALASKA A M I    01072009 AMI  00010013)
>[    0.000000] ACPI: FPDT 0x00000000DB9C6FC8 000044 (v01 ALASKA A M I    01072009 AMI  00010013)
>[    0.000000] ACPI: SSDT 0x00000000DB9C7010 000539 (v01 PmRef  Cpu0Ist  00003000 INTL 20120711)
>[    0.000000] ACPI: SSDT 0x00000000DB9C7550 000AD8 (v01 PmRef  CpuPm    00003000 INTL 20120711)
>[    0.000000] ACPI: SSDT 0x00000000DB9C8028 0001C7 (v01 PmRef  LakeTiny 00003000 INTL 20120711)
>[    0.000000] ACPI: MCFG 0x00000000DB9C81F0 00003C (v01 ALASKA A M I    01072009 MSFT 00000097)
>[    0.000000] ACPI: HPET 0x00000000DB9C8230 000038 (v01 ALASKA A M I    01072009 AMI. 00000005)
>[    0.000000] ACPI: SSDT 0x00000000DB9C8268 00036D (v01 SataRe SataTabl 00001000 INTL 20120711)
>[    0.000000] ACPI: SSDT 0x00000000DB9C85D8 0034E1 (v01 SaSsdt SaSsdt   00003000 INTL 20091112)
>[    0.000000] ACPI: DMAR 0x00000000DB9CBAC0 000070 (v01 INTEL  HSW      00000001 INTL 00000001)
>[    0.000000] ACPI: Local APIC address 0xfee00000
>[    0.000000] No NUMA configuration found
>[    0.000000] Faking a node at [mem 0x0000000000000000-0x000000081effffff]
>[    0.000000] NODE_DATA(0) allocated [mem 0x7defd4000-0x7deffefff]
>[    0.000000] tsc: Fast TSC calibration using PIT
>[    0.000000] Zone ranges:
>[    0.000000]   DMA      [mem 0x0000000000001000-0x0000000000ffffff]
>[    0.000000]   DMA32    [mem 0x0000000001000000-0x00000000ffffffff]
>[    0.000000]   Normal   [mem 0x0000000100000000-0x000000081effffff]
>[    0.000000]   Device   empty
>[    0.000000] Movable zone start for each node
>[    0.000000] Early memory node ranges
>[    0.000000]   node   0: [mem 0x0000000000001000-0x0000000000057fff]
>[    0.000000]   node   0: [mem 0x0000000000059000-0x000000000009efff]
>[    0.000000]   node   0: [mem 0x0000000000100000-0x00000000bd69efff]
>[    0.000000]   node   0: [mem 0x00000000bd6a6000-0x00000000be17bfff]
>[    0.000000]   node   0: [mem 0x00000000be6d5000-0x00000000db487fff]
>[    0.000000]   node   0: [mem 0x00000000db8e9000-0x00000000db931fff]
>[    0.000000]   node   0: [mem 0x00000000df7ff000-0x00000000df7fffff]
>[    0.000000]   node   0: [mem 0x0000000100000000-0x000000081effffff]
>[    0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x000000081effffff]
>[    0.000000] On node 0 totalpages: 8363791
>[    0.000000]   DMA zone: 64 pages used for memmap
>[    0.000000]   DMA zone: 24 pages reserved
>[    0.000000]   DMA zone: 3997 pages, LIFO batch:0
>[    0.000000]   DMA32 zone: 13950 pages used for memmap
>[    0.000000]   DMA32 zone: 892786 pages, LIFO batch:31
>[    0.000000]   Normal zone: 116672 pages used for memmap
>[    0.000000]   Normal zone: 7467008 pages, LIFO batch:31
>[    0.000000] Reserved but unavailable: 98 pages
>[    0.000000] ACPI: PM-Timer IO Port: 0x1808
>[    0.000000] ACPI: Local APIC address 0xfee00000
>[    0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] high edge lint[0x1])
>[    0.000000] IOAPIC[0]: apic_id 8, version 32, address 0xfec00000, GSI 0-23
>[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
>[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
>[    0.000000] ACPI: IRQ0 used by override.
>[    0.000000] ACPI: IRQ9 used by override.
>[    0.000000] Using ACPI (MADT) for SMP configuration information
>[    0.000000] ACPI: HPET id: 0x8086a701 base: 0xfed00000
>[    0.000000] smpboot: Allowing 8 CPUs, 0 hotplug CPUs
>[    0.000000] PM: Registered nosave memory: [mem 0x00000000-0x00000fff]
>[    0.000000] PM: Registered nosave memory: [mem 0x00058000-0x00058fff]
>[    0.000000] PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff]
>[    0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000fffff]
>[    0.000000] PM: Registered nosave memory: [mem 0xbd355000-0xbd355fff]
>[    0.000000] PM: Registered nosave memory: [mem 0xbd36e000-0xbd36efff]
>[    0.000000] PM: Registered nosave memory: [mem 0xbd36f000-0xbd36ffff]
>[    0.000000] PM: Registered nosave memory: [mem 0xbd37f000-0xbd37ffff]
>[    0.000000] PM: Registered nosave memory: [mem 0xbd69f000-0xbd6a5fff]
>[    0.000000] PM: Registered nosave memory: [mem 0xbe17c000-0xbe6d4fff]
>[    0.000000] PM: Registered nosave memory: [mem 0xdb488000-0xdb8e8fff]
>[    0.000000] PM: Registered nosave memory: [mem 0xdb932000-0xdb9edfff]
>[    0.000000] PM: Registered nosave memory: [mem 0xdb9ee000-0xdf7fefff]
>[    0.000000] PM: Registered nosave memory: [mem 0xdf800000-0xf7ffffff]
>[    0.000000] PM: Registered nosave memory: [mem 0xf8000000-0xfbffffff]
>[    0.000000] PM: Registered nosave memory: [mem 0xfc000000-0xfebfffff]
>[    0.000000] PM: Registered nosave memory: [mem 0xfec00000-0xfec00fff]
>[    0.000000] PM: Registered nosave memory: [mem 0xfec01000-0xfecfffff]
>[    0.000000] PM: Registered nosave memory: [mem 0xfed00000-0xfed03fff]
>[    0.000000] PM: Registered nosave memory: [mem 0xfed04000-0xfed1bfff]
>[    0.000000] PM: Registered nosave memory: [mem 0xfed1c000-0xfed1ffff]
>[    0.000000] PM: Registered nosave memory: [mem 0xfed20000-0xfedfffff]
>[    0.000000] PM: Registered nosave memory: [mem 0xfee00000-0xfee00fff]
>[    0.000000] PM: Registered nosave memory: [mem 0xfee01000-0xfeffffff]
>[    0.000000] PM: Registered nosave memory: [mem 0xff000000-0xffffffff]
>[    0.000000] e820: [mem 0xdf800000-0xf7ffffff] available for PCI devices
>[    0.000000] Booting paravirtualized kernel on bare hardware
>[    0.000000] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns
>[    0.000000] setup_percpu: NR_CPUS:8192 nr_cpumask_bits:8 nr_cpu_ids:8 nr_node_ids:1
>[    0.000000] percpu: Embedded 494 pages/cpu @        (ptrval) s1986560 r8192 d28672 u2097152
>[    0.000000] pcpu-alloc: s1986560 r8192 d28672 u2097152 alloc=1*2097152
>[    0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 [0] 4 [0] 5 [0] 6 [0] 7 
>[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 8233081
>[    0.000000] Policy zone: Normal
>[    0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.16.0-rc7 root=UUID=0ee73ea4-0a6f-4d9c-bdaf-94ec954fec49 ro rhgb quiet log_buf_len=900M LANG=en_US.UTF-8
>[    0.000000] Memory: 31415008K/33455164K available (12300K kernel code, 3548K rwdata, 4176K rodata, 4772K init, 16632K bss, 2040156K reserved, 0K cma-reserved)
>[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=8, Nodes=1
>[    0.000000] Kernel/User page tables isolation: enabled
>[    0.000000] ftrace: allocating 36648 entries in 144 pages
>[    0.000000] Running RCU self tests
>[    0.000000] Hierarchical RCU implementation.
>[    0.000000] 	RCU lockdep checking is enabled.
>[    0.000000] 	RCU restricting CPUs from NR_CPUS=8192 to nr_cpu_ids=8.
>[    0.000000] 	RCU callback double-/use-after-free debug enabled.
>[    0.000000] 	Tasks RCU enabled.
>[    0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=8
>[    0.000000] NR_IRQS: 524544, nr_irqs: 488, preallocated irqs: 16
>[    0.000000] 	Offload RCU callbacks from CPUs: .
>[    0.000000] Console: colour dummy device 80x25
>[    0.000000] console [tty0] enabled
>[    0.000000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
>[    0.000000] ... MAX_LOCKDEP_SUBCLASSES:  8
>[    0.000000] ... MAX_LOCK_DEPTH:          48
>[    0.000000] ... MAX_LOCKDEP_KEYS:        8191
>[    0.000000] ... CLASSHASH_SIZE:          4096
>[    0.000000] ... MAX_LOCKDEP_ENTRIES:     32768
>[    0.000000] ... MAX_LOCKDEP_CHAINS:      65536
>[    0.000000] ... CHAINHASH_SIZE:          32768
>[    0.000000]  memory used by lock dependency info: 7903 kB
>[    0.000000]  per task-struct memory footprint: 2688 bytes
>[    0.000000] kmemleak: Kernel memory leak detector disabled
>[    0.000000] ACPI: Core revision 20180105
>[    0.000000] ACPI: 6 ACPI AML tables successfully acquired and loaded
>[    0.000000] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 133484882848 ns
>[    0.000000] hpet clockevent registered
>[    0.000000] APIC: Switch to symmetric I/O mode setup
>[    0.000000] DMAR: Host address width 39
>[    0.000000] DMAR: DRHD base: 0x000000fed90000 flags: 0x1
>[    0.000000] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap d2008c20660462 ecap f010da
>[    0.000000] DMAR: RMRR base: 0x000000df683000 end: 0x000000df691fff
>[    0.000000] DMAR-IR: IOAPIC id 8 under DRHD base  0xfed90000 IOMMU 0
>[    0.000000] DMAR-IR: HPET id 0 under DRHD base 0xfed90000
>[    0.000000] DMAR-IR: Queued invalidation will be enabled to support x2apic and Intr-remapping.
>[    0.000000] DMAR-IR: Enabled IRQ remapping in x2apic mode
>[    0.000000] x2apic enabled
>[    0.000000] Switched APIC routing to cluster x2apic.
>[    0.000000] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
>[    0.005000] tsc: Fast TSC calibration using PIT
>[    0.006000] tsc: Detected 3392.259 MHz processor
>[    0.006000] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x30e5be0f429, max_idle_ns: 440795375344 ns
>[    0.006000] Calibrating delay loop (skipped), value calculated using timer frequency.. 6784.51 BogoMIPS (lpj=3392259)
>[    0.006000] pid_max: default: 32768 minimum: 301
>[    0.006000] ---[ User Space ]---
>[    0.006000] 0x0000000000000000-0x0000000000008000          32K     RW                     x  pte
>[    0.006000] 0x0000000000008000-0x000000000005f000         348K                               pte
>[    0.006000] 0x000000000005f000-0x000000000009f000         256K     RW                     x  pte
>[    0.006000] 0x000000000009f000-0x0000000000200000        1412K                               pte
>[    0.006000] 0x0000000000200000-0x0000000040000000        1022M                               pmd
>[    0.006000] 0x0000000040000000-0x0000000080000000           1G                               pud
>[    0.006000] 0x0000000080000000-0x00000000bd600000         982M                               pmd
>[    0.006000] 0x00000000bd600000-0x00000000bd6a6000         664K                               pte
>[    0.006000] 0x00000000bd6a6000-0x00000000bda00000        3432K     RW                     x  pte
>[    0.006000] 0x00000000bda00000-0x00000000be000000           6M     RW         PSE         x  pmd
>[    0.006000] 0x00000000be000000-0x00000000be200000           2M     RW                     x  pte
>[    0.006000] 0x00000000be200000-0x00000000be600000           4M     RW         PSE         x  pmd
>[    0.006000] 0x00000000be600000-0x00000000be710000        1088K     RW                     x  pte
>[    0.006000] 0x00000000be710000-0x00000000be800000         960K                               pte
>[    0.006000] 0x00000000be800000-0x00000000cc600000         222M                               pmd
>[    0.006000] 0x00000000cc600000-0x00000000cc72b000        1196K                               pte
>[    0.006000] 0x00000000cc72b000-0x00000000cc76e000         268K     RW                     x  pte
>[    0.006000] 0x00000000cc76e000-0x00000000cc77e000          64K                               pte
>[    0.006000] 0x00000000cc77e000-0x00000000cc7b1000         204K     RW                     x  pte
>[    0.006000] 0x00000000cc7b1000-0x00000000cc7be000          52K                               pte
>[    0.006000] 0x00000000cc7be000-0x00000000cc81c000         376K     RW                     x  pte
>[    0.006000] 0x00000000cc81c000-0x00000000cc835000         100K                               pte
>[    0.006000] 0x00000000cc835000-0x00000000cc88f000         360K     RW                     x  pte
>[    0.006000] 0x00000000cc88f000-0x00000000cc8a5000          88K                               pte
>[    0.006000] 0x00000000cc8a5000-0x00000000cc915000         448K     RW                     x  pte
>[    0.006000] 0x00000000cc915000-0x00000000cc946000         196K                               pte
>[    0.006000] 0x00000000cc946000-0x00000000cc9bc000         472K     RW                     x  pte
>[    0.006000] 0x00000000cc9bc000-0x00000000cc9ea000         184K                               pte
>[    0.006000] 0x00000000cc9ea000-0x00000000cca04000         104K     RW                     x  pte
>[    0.006000] 0x00000000cca04000-0x00000000ccaf2000         952K                               pte
>[    0.006000] 0x00000000ccaf2000-0x00000000ccaf4000           8K     RW                     x  pte
>[    0.006000] 0x00000000ccaf4000-0x00000000ccaf7000          12K                               pte
>[    0.006000] 0x00000000ccaf7000-0x00000000ccaf8000           4K     RW                     x  pte
>[    0.006000] 0x00000000ccaf8000-0x00000000ccafc000          16K                               pte
>[    0.006000] 0x00000000ccafc000-0x00000000ccafd000           4K     RW                     x  pte
>[    0.006000] 0x00000000ccafd000-0x00000000ccb1d000         128K                               pte
>[    0.006000] 0x00000000ccb1d000-0x00000000ccb1e000           4K     RW                     x  pte
>[    0.006000] 0x00000000ccb1e000-0x00000000ccc2b000        1076K                               pte
>[    0.006000] 0x00000000ccc2b000-0x00000000ccc2c000           4K     RW                     x  pte
>[    0.006000] 0x00000000ccc2c000-0x00000000ccc2e000           8K                               pte
>[    0.006000] 0x00000000ccc2e000-0x00000000ccc57000         164K     RW                     x  pte
>[    0.006000] 0x00000000ccc57000-0x00000000ccc82000         172K                               pte
>[    0.006000] 0x00000000ccc82000-0x00000000ccc83000           4K     RW                     x  pte
>[    0.006000] 0x00000000ccc83000-0x00000000cccb7000         208K                               pte
>[    0.006000] 0x00000000cccb7000-0x00000000cccb8000           4K     RW                     x  pte
>[    0.006000] 0x00000000cccb8000-0x00000000ccd14000         368K                               pte
>[    0.006000] 0x00000000ccd14000-0x00000000ccd15000           4K     RW                     x  pte
>[    0.006000] 0x00000000ccd15000-0x00000000ccd5b000         280K                               pte
>[    0.006000] 0x00000000ccd5b000-0x00000000ccd5c000           4K     RW                     x  pte
>[    0.006000] 0x00000000ccd5c000-0x00000000ccdd0000         464K                               pte
>[    0.006000] 0x00000000ccdd0000-0x00000000cce77000         668K     RW                     x  pte
>[    0.006000] 0x00000000cce77000-0x00000000ccebe000         284K                               pte
>[    0.006000] 0x00000000ccebe000-0x00000000ccec1000          12K     RW                     x  pte
>[    0.006000] 0x00000000ccec1000-0x00000000ccff9000        1248K                               pte
>[    0.006000] 0x00000000ccff9000-0x00000000cd022000         164K     RW                     x  pte
>[    0.006000] 0x00000000cd022000-0x00000000cd0d7000         724K                               pte
>[    0.006000] 0x00000000cd0d7000-0x00000000cd1b0000         868K     RW                     x  pte
>[    0.006000] 0x00000000cd1b0000-0x00000000cd23f000         572K                               pte
>[    0.006000] 0x00000000cd23f000-0x00000000cd2c8000         548K     RW                     x  pte
>[    0.006000] 0x00000000cd2c8000-0x00000000cd2d8000          64K                               pte
>[    0.006000] 0x00000000cd2d8000-0x00000000cd30b000         204K     RW                     x  pte
>[    0.006000] 0x00000000cd30b000-0x00000000cd318000          52K                               pte
>[    0.006000] 0x00000000cd318000-0x00000000cd378000         384K     RW                     x  pte
>[    0.006000] 0x00000000cd378000-0x00000000cd391000         100K                               pte
>[    0.006000] 0x00000000cd391000-0x00000000cd3ea000         356K     RW                     x  pte
>[    0.006000] 0x00000000cd3ea000-0x00000000cd400000          88K                               pte
>[    0.006000] 0x00000000cd400000-0x00000000cd518000        1120K     RW                     x  pte
>[    0.006000] 0x00000000cd518000-0x00000000cd546000         184K                               pte
>[    0.006000] 0x00000000cd546000-0x00000000cd565000         124K     RW                     x  pte
>[    0.006000] 0x00000000cd565000-0x00000000cd575000          64K                               pte
>[    0.006000] 0x00000000cd575000-0x00000000cd5d8000         396K     RW                     x  pte
>[    0.006000] 0x00000000cd5d8000-0x00000000cd5f4000         112K                               pte
>[    0.006000] 0x00000000cd5f4000-0x00000000cd69c000         672K     RW                     x  pte
>[    0.006000] 0x00000000cd69c000-0x00000000cd6ac000          64K                               pte
>[    0.006000] 0x00000000cd6ac000-0x00000000cd6df000         204K     RW                     x  pte
>[    0.006000] 0x00000000cd6df000-0x00000000cd6ec000          52K                               pte
>[    0.006000] 0x00000000cd6ec000-0x00000000cd749000         372K     RW                     x  pte
>[    0.006000] 0x00000000cd749000-0x00000000cd762000         100K                               pte
>[    0.006000] 0x00000000cd762000-0x00000000cd7bc000         360K     RW                     x  pte
>[    0.006000] 0x00000000cd7bc000-0x00000000cd7d2000          88K                               pte
>[    0.006000] 0x00000000cd7d2000-0x00000000cd842000         448K     RW                     x  pte
>[    0.006000] 0x00000000cd842000-0x00000000cd873000         196K                               pte
>[    0.006000] 0x00000000cd873000-0x00000000cd8e9000         472K     RW                     x  pte
>[    0.006000] 0x00000000cd8e9000-0x00000000cd8f0000          28K                               pte
>[    0.006000] 0x00000000cd8f0000-0x00000000cda68000        1504K     RW                     x  pte
>[    0.007013] 0x00000000cda68000-0x00000000cda6b000          12K                               pte
>[    0.007018] 0x00000000cda6b000-0x00000000cdb8a000        1148K     RW                     x  pte
>[    0.007029] 0x00000000cdb8a000-0x00000000cdb93000          36K                               pte
>[    0.007034] 0x00000000cdb93000-0x00000000cdd9a000        2076K     RW                     x  pte
>[    0.007045] 0x00000000cdd9a000-0x00000000cdd9d000          12K                               pte
>[    0.007050] 0x00000000cdd9d000-0x00000000cdee0000        1292K     RW                     x  pte
>[    0.007061] 0x00000000cdee0000-0x00000000cdee9000          36K                               pte
>[    0.007066] 0x00000000cdee9000-0x00000000cdf52000         420K     RW                     x  pte
>[    0.007077] 0x00000000cdf52000-0x00000000cdf5b000          36K                               pte
>[    0.007081] 0x00000000cdf5b000-0x00000000cdfda000         508K     RW                     x  pte
>[    0.007092] 0x00000000cdfda000-0x00000000cdfdd000          12K                               pte
>[    0.007097] 0x00000000cdfdd000-0x00000000ce081000         656K     RW                     x  pte
>[    0.007108] 0x00000000ce081000-0x00000000ce086000          20K                               pte
>[    0.007113] 0x00000000ce086000-0x00000000ce1a7000        1156K     RW                     x  pte
>[    0.007124] 0x00000000ce1a7000-0x00000000ce1a8000           4K                               pte
>[    0.007129] 0x00000000ce1a8000-0x00000000ce359000        1732K     RW                     x  pte
>[    0.007140] 0x00000000ce359000-0x00000000ce362000          36K                               pte
>[    0.007145] 0x00000000ce362000-0x00000000ce3df000         500K     RW                     x  pte
>[    0.007156] 0x00000000ce3df000-0x00000000ce3e2000          12K                               pte
>[    0.007161] 0x00000000ce3e2000-0x00000000ce487000         660K     RW                     x  pte
>[    0.007172] 0x00000000ce487000-0x00000000ce48f000          32K                               pte
>[    0.007177] 0x00000000ce48f000-0x00000000ce5e4000        1364K     RW                     x  pte
>[    0.007188] 0x00000000ce5e4000-0x00000000ce5ee000          40K                               pte
>[    0.007192] 0x00000000ce5ee000-0x00000000ce672000         528K     RW                     x  pte
>[    0.007203] 0x00000000ce672000-0x00000000ce675000          12K                               pte
>[    0.007208] 0x00000000ce675000-0x00000000ce67b000          24K     RW                     x  pte
>[    0.007219] 0x00000000ce67b000-0x00000000ce683000          32K                               pte
>[    0.007224] 0x00000000ce683000-0x00000000ce750000         820K     RW                     x  pte
>[    0.007235] 0x00000000ce750000-0x00000000ce755000          20K                               pte
>[    0.007239] 0x00000000ce755000-0x00000000ce75a000          20K     RW                     x  pte
>[    0.007250] 0x00000000ce75a000-0x00000000ce760000          24K                               pte
>[    0.007254] 0x00000000ce760000-0x00000000ce765000          20K     RW                     x  pte
>[    0.007265] 0x00000000ce765000-0x00000000ce76f000          40K                               pte
>[    0.007270] 0x00000000ce76f000-0x00000000ce800000         580K     RW                     x  pte
>[    0.007281] 0x00000000ce800000-0x00000000cf000000           8M     RW         PSE         x  pmd
>[    0.007292] 0x00000000cf000000-0x00000000cf02d000         180K     RW                     x  pte
>[    0.007303] 0x00000000cf02d000-0x00000000cf02e000           4K                               pte
>[    0.007307] 0x00000000cf02e000-0x00000000cf02f000           4K     RW                     x  pte
>[    0.007318] 0x00000000cf02f000-0x00000000cf031000           8K                               pte
>[    0.007324] 0x00000000cf031000-0x00000000cf200000        1852K     RW                     x  pte
>[    0.007335] 0x00000000cf200000-0x00000000d8800000         150M     RW         PSE         x  pmd
>[    0.007346] 0x00000000d8800000-0x00000000d8872000         456K     RW                     x  pte
>[    0.007357] 0x00000000d8872000-0x00000000d8875000          12K                               pte
>[    0.007362] 0x00000000d8875000-0x00000000d887e000          36K     RW                     x  pte
>[    0.007373] 0x00000000d887e000-0x00000000d8881000          12K                               pte
>[    0.007377] 0x00000000d8881000-0x00000000d8889000          32K     RW                     x  pte
>[    0.007388] 0x00000000d8889000-0x00000000d888c000          12K                               pte
>[    0.007392] 0x00000000d888c000-0x00000000d8895000          36K     RW                     x  pte
>[    0.007403] 0x00000000d8895000-0x00000000d8898000          12K                               pte
>[    0.007409] 0x00000000d8898000-0x00000000d8a00000        1440K     RW                     x  pte
>[    0.007420] 0x00000000d8a00000-0x00000000da400000          26M     RW         PSE         x  pmd
>[    0.007431] 0x00000000da400000-0x00000000da503000        1036K     RW                     x  pte
>[    0.007443] 0x00000000da503000-0x00000000da600000        1012K                               pte
>[    0.007447] 0x00000000da600000-0x00000000db000000          10M                               pmd
>[    0.007452] 0x00000000db000000-0x00000000db191000        1604K                               pte
>[    0.007457] 0x00000000db191000-0x00000000db200000         444K     RW                     x  pte
>[    0.007468] 0x00000000db200000-0x00000000db400000           2M     RW         PSE         x  pmd
>[    0.007479] 0x00000000db400000-0x00000000db488000         544K     RW                     x  pte
>[    0.007491] 0x00000000db488000-0x00000000db600000        1504K                               pte
>[    0.007496] 0x00000000db600000-0x00000000db800000           2M                               pmd
>[    0.007501] 0x00000000db800000-0x00000000db9ee000        1976K                               pte
>[    0.007505] 0x00000000db9ee000-0x00000000dba00000          72K     RW                     x  pte
>[    0.007516] 0x00000000dba00000-0x00000000df600000          60M     RW         PSE         x  pmd
>[    0.007529] 0x00000000df600000-0x00000000df800000           2M     RW                     x  pte
>[    0.007540] 0x00000000df800000-0x00000000f8000000         392M                               pmd
>[    0.007545] 0x00000000f8000000-0x00000000fc000000          64M     RW     PCD PSE         x  pmd
>[    0.007556] 0x00000000fc000000-0x00000000fec00000          44M                               pmd
>[    0.007560] 0x00000000fec00000-0x00000000fec01000           4K     RW     PCD             x  pte
>[    0.007572] 0x00000000fec01000-0x00000000fed00000        1020K                               pte
>[    0.007576] 0x00000000fed00000-0x00000000fed04000          16K     RW     PCD             x  pte
>[    0.007587] 0x00000000fed04000-0x00000000fed1c000          96K                               pte
>[    0.007592] 0x00000000fed1c000-0x00000000fed20000          16K     RW     PCD             x  pte
>[    0.007603] 0x00000000fed20000-0x00000000fee00000         896K                               pte
>[    0.007607] 0x00000000fee00000-0x00000000fee01000           4K     RW     PCD             x  pte
>[    0.007620] 0x00000000fee01000-0x00000000ff000000        2044K                               pte
>[    0.007624] 0x00000000ff000000-0x0000000100000000          16M     RW     PCD PSE         x  pmd
>[    0.007635] 0x0000000100000000-0x0000000780000000          26G                               pud
>[    0.007641] 0x0000000780000000-0x00000007bd000000         976M                               pmd
>[    0.007646] 0x00000007bd000000-0x00000007bd1b2000        1736K                               pte
>[    0.007650] 0x00000007bd1b2000-0x00000007bd1b4000           8K     RW                     NX pte
>[    0.007662] 0x00000007bd1b4000-0x00000007bd200000         304K                               pte
>[    0.007666] 0x00000007bd200000-0x00000007c0000000          46M                               pmd
>[    0.007671] 0x00000007c0000000-0x0000008000000000         481G                               pud
>[    0.007680] 0x0000008000000000-0xffff800000000000   17179737600G                               pgd
>[    0.007684] ---[ Kernel Space ]---
>[    0.007686] 0xffff800000000000-0xffff808000000000         512G                               pgd
>[    0.007690] ---[ Low Kernel Mapping ]---
>[    0.007691] 0xffff808000000000-0xffff810000000000         512G                               pgd
>[    0.007695] ---[ vmalloc() Area ]---
>[    0.007696] 0xffff810000000000-0xffff818000000000         512G                               pgd
>[    0.007701] ---[ Vmemmap ]---
>[    0.007702] 0xffff818000000000-0xffff920000000000       16896G                               pgd
>[    0.007708] 0xffff920000000000-0xffff925500000000         340G                               pud
>[    0.007713] 0xffff925500000000-0xffff925500200000           2M     RW                     NX pte
>[    0.007726] 0xffff925500200000-0xffff925540000000        1022M     RW         PSE         NX pmd
>[    0.007737] 0xffff925540000000-0xffff925580000000           1G     RW         PSE         NX pud
>[    0.007750] 0xffff925580000000-0xffff9255bd600000         982M     RW         PSE         NX pmd
>[    0.007762] 0xffff9255bd600000-0xffff9255bd69f000         636K     RW                     NX pte
>[    0.007773] 0xffff9255bd69f000-0xffff9255bd6a6000          28K                               pte
>[    0.007778] 0xffff9255bd6a6000-0xffff9255bd800000        1384K     RW                     NX pte
>[    0.007789] 0xffff9255bd800000-0xffff9255be000000           8M     RW         PSE         NX pmd
>[    0.007801] 0xffff9255be000000-0xffff9255be17c000        1520K     RW                     NX pte
>[    0.007812] 0xffff9255be17c000-0xffff9255be200000         528K                               pte
>[    0.007817] 0xffff9255be200000-0xffff9255be600000           4M                               pmd
>[    0.007821] 0xffff9255be600000-0xffff9255be6d5000         852K                               pte
>[    0.007826] 0xffff9255be6d5000-0xffff9255be800000        1196K     RW                     NX pte
>[    0.007838] 0xffff9255be800000-0xffff9255db400000         460M     RW         PSE         NX pmd
>[    0.007850] 0xffff9255db400000-0xffff9255db488000         544K     RW                     NX pte
>[    0.007862] 0xffff9255db488000-0xffff9255db600000        1504K                               pte
>[    0.007866] 0xffff9255db600000-0xffff9255db800000           2M                               pmd
>[    0.007871] 0xffff9255db800000-0xffff9255db8e9000         932K                               pte
>[    0.007875] 0xffff9255db8e9000-0xffff9255db932000         292K     RW                     NX pte
>[    0.007887] 0xffff9255db932000-0xffff9255dba00000         824K                               pte
>[    0.007891] 0xffff9255dba00000-0xffff9255df600000          60M                               pmd
>[    0.007897] 0xffff9255df600000-0xffff9255df7ff000        2044K                               pte
>[    0.007901] 0xffff9255df7ff000-0xffff9255df800000           4K     RW                     NX pte
>[    0.007913] 0xffff9255df800000-0xffff925600000000         520M                               pmd
>[    0.007917] 0xffff925600000000-0xffff925d00000000          28G     RW         PSE         NX pud
>[    0.007929] 0xffff925d00000000-0xffff925d1f000000         496M     RW         PSE         NX pmd
>[    0.007941] 0xffff925d1f000000-0xffff925d40000000         528M                               pmd
>[    0.007946] 0xffff925d40000000-0xffff928000000000         139G                               pud
>[    0.007951] 0xffff928000000000-0xffffb60000000000       36352G                               pgd
>[    0.007956] 0xffffb60000000000-0xffffb64680000000         282G                               pud
>[    0.007961] 0xffffb64680000000-0xffffb64680001000           4K     RW                     NX pte
>[    0.007972] 0xffffb64680001000-0xffffb64680002000           4K                               pte
>[    0.007976] 0xffffb64680002000-0xffffb64680003000           4K     RW                     NX pte
>[    0.007987] 0xffffb64680003000-0xffffb64680004000           4K                               pte
>[    0.007991] 0xffffb64680004000-0xffffb64680006000           8K     RW                     NX pte
>[    0.008007] 0xffffb64680006000-0xffffb64680008000           8K                               pte
>[    0.008012] 0xffffb64680008000-0xffffb6468000a000           8K     RW                     NX pte
>[    0.008023] 0xffffb6468000a000-0xffffb6468000b000           4K                               pte
>[    0.008027] 0xffffb6468000b000-0xffffb6468000c000           4K     RW     PCD             NX pte
>[    0.008038] 0xffffb6468000c000-0xffffb6468000d000           4K                               pte
>[    0.008042] 0xffffb6468000d000-0xffffb6468000e000           4K     RW     PCD             NX pte
>[    0.008053] 0xffffb6468000e000-0xffffb64680010000           8K                               pte
>[    0.008058] 0xffffb64680010000-0xffffb6468001d000          52K     RW                     NX pte
>[    0.008069] 0xffffb6468001d000-0xffffb64680020000          12K                               pte
>[    0.008073] 0xffffb64680020000-0xffffb64680024000          16K     RW                     NX pte
>[    0.008085] 0xffffb64680024000-0xffffb64680200000        1904K                               pte
>[    0.008091] 0xffffb64680200000-0xffffb646c0000000        1022M                               pmd
>[    0.008096] 0xffffb646c0000000-0xffffb68000000000         229G                               pud
>[    0.008102] 0xffffb68000000000-0xfffff90000000000       68096G                               pgd
>[    0.008108] 0xfffff90000000000-0xfffff97c00000000         496G                               pud
>[    0.008112] 0xfffff97c00000000-0xfffff97c03800000          56M     RW         PSE         NX pmd
>[    0.008123] 0xfffff97c03800000-0xfffff97c04000000           8M                               pmd
>[    0.008129] 0xfffff97c04000000-0xfffff97c20800000         456M     RW         PSE         NX pmd
>[    0.008140] 0xfffff97c20800000-0xfffff97c40000000         504M                               pmd
>[    0.008145] 0xfffff97c40000000-0xfffff98000000000          15G                               pud
>[    0.008149] 0xfffff98000000000-0xfffffe0000000000        4608G                               pgd
>[    0.008153] ---[ CPU entry Area ]---
>[    0.008155] 0xfffffe0000000000-0xfffffe0000002000           8K     ro                     NX pte
>[    0.008166] 0xfffffe0000002000-0xfffffe0000003000           4K     RW                     NX pte
>[    0.008177] 0xfffffe0000003000-0xfffffe0000006000          12K     ro                     NX pte
>[    0.008188] 0xfffffe0000006000-0xfffffe0000007000           4K     ro                     x  pte
>[    0.008199] 0xfffffe0000007000-0xfffffe000000d000          24K     RW                     NX pte
>[    0.008210] 0xfffffe000000d000-0xfffffe000002d000         128K                               pte
>[    0.008215] 0xfffffe000002d000-0xfffffe000002e000           4K     ro                     NX pte
>[    0.008226] 0xfffffe000002e000-0xfffffe000002f000           4K     RW                     NX pte
>[    0.008237] 0xfffffe000002f000-0xfffffe0000032000          12K     ro                     NX pte
>[    0.008248] 0xfffffe0000032000-0xfffffe0000033000           4K     ro                     x  pte
>[    0.008259] 0xfffffe0000033000-0xfffffe0000039000          24K     RW                     NX pte
>[    0.008270] 0xfffffe0000039000-0xfffffe0000059000         128K                               pte
>[    0.008274] 0xfffffe0000059000-0xfffffe000005a000           4K     ro                     NX pte
>[    0.008285] 0xfffffe000005a000-0xfffffe000005b000           4K     RW                     NX pte
>[    0.008296] 0xfffffe000005b000-0xfffffe000005e000          12K     ro                     NX pte
>[    0.008307] 0xfffffe000005e000-0xfffffe000005f000           4K     ro                     x  pte
>[    0.008318] 0xfffffe000005f000-0xfffffe0000065000          24K     RW                     NX pte
>[    0.008330] 0xfffffe0000065000-0xfffffe0000085000         128K                               pte
>[    0.008334] 0xfffffe0000085000-0xfffffe0000086000           4K     ro                     NX pte
>[    0.008345] 0xfffffe0000086000-0xfffffe0000087000           4K     RW                     NX pte
>[    0.008356] 0xfffffe0000087000-0xfffffe000008a000          12K     ro                     NX pte
>[    0.008367] 0xfffffe000008a000-0xfffffe000008b000           4K     ro                     x  pte
>[    0.008378] 0xfffffe000008b000-0xfffffe0000091000          24K     RW                     NX pte
>[    0.008389] 0xfffffe0000091000-0xfffffe00000b1000         128K                               pte
>[    0.008394] 0xfffffe00000b1000-0xfffffe00000b2000           4K     ro                     NX pte
>[    0.008405] 0xfffffe00000b2000-0xfffffe00000b3000           4K     RW                     NX pte
>[    0.008416] 0xfffffe00000b3000-0xfffffe00000b6000          12K     ro                     NX pte
>[    0.008427] 0xfffffe00000b6000-0xfffffe00000b7000           4K     ro                     x  pte
>[    0.008438] 0xfffffe00000b7000-0xfffffe00000bd000          24K     RW                     NX pte
>[    0.008449] 0xfffffe00000bd000-0xfffffe00000dd000         128K                               pte
>[    0.008453] 0xfffffe00000dd000-0xfffffe00000de000           4K     ro                     NX pte
>[    0.008464] 0xfffffe00000de000-0xfffffe00000df000           4K     RW                     NX pte
>[    0.008475] 0xfffffe00000df000-0xfffffe00000e2000          12K     ro                     NX pte
>[    0.008486] 0xfffffe00000e2000-0xfffffe00000e3000           4K     ro                     x  pte
>[    0.008497] 0xfffffe00000e3000-0xfffffe00000e9000          24K     RW                     NX pte
>[    0.008509] 0xfffffe00000e9000-0xfffffe0000109000         128K                               pte
>[    0.008513] 0xfffffe0000109000-0xfffffe000010a000           4K     ro                     NX pte
>[    0.008524] 0xfffffe000010a000-0xfffffe000010b000           4K     RW                     NX pte
>[    0.008535] 0xfffffe000010b000-0xfffffe000010e000          12K     ro                     NX pte
>[    0.008546] 0xfffffe000010e000-0xfffffe000010f000           4K     ro                     x  pte
>[    0.008557] 0xfffffe000010f000-0xfffffe0000115000          24K     RW                     NX pte
>[    0.008568] 0xfffffe0000115000-0xfffffe0000135000         128K                               pte
>[    0.008573] 0xfffffe0000135000-0xfffffe0000136000           4K     ro                     NX pte
>[    0.008584] 0xfffffe0000136000-0xfffffe0000137000           4K     RW                     NX pte
>[    0.008595] 0xfffffe0000137000-0xfffffe000013a000          12K     ro                     NX pte
>[    0.008606] 0xfffffe000013a000-0xfffffe000013b000           4K     ro                     x  pte
>[    0.008617] 0xfffffe000013b000-0xfffffe0000141000          24K     RW                     NX pte
>[    0.008628] 0xfffffe0000141000-0xfffffe0000161000         128K                               pte
>[    0.008633] 0xfffffe0000161000-0xfffffe0000200000         636K                               pte
>[    0.008638] 0xfffffe0000200000-0xfffffe0040000000        1022M                               pmd
>[    0.008644] 0xfffffe0040000000-0xfffffe8000000000         511G                               pud
>[    0.008648] ---[ LDT remap ]---
>[    0.008649] 0xfffffe8000000000-0xffffff0000000000         512G                               pgd
>[    0.008654] ---[ ESPfix Area ]---
>[    0.008655] 0xffffff0000000000-0xffffff0900000000          36G                               pud
>[    0.008659] 0xffffff0900000000-0xffffff0900008000          32K                               pte
>[    0.008664] 0xffffff0900008000-0xffffff0900009000           4K     ro                     NX pte
>[    0.008675] 0xffffff0900009000-0xffffff0900018000          60K                               pte
>[    0.008679] 0xffffff0900018000-0xffffff0900019000           4K     ro                     NX pte
>[    0.008690] 0xffffff0900019000-0xffffff0900028000          60K                               pte
>[    0.008694] 0xffffff0900028000-0xffffff0900029000           4K     ro                     NX pte
>[    0.008706] 0xffffff0900029000-0xffffff0900038000          60K                               pte
>[    0.008710] 0xffffff0900038000-0xffffff0900039000           4K     ro                     NX pte
>[    0.008721] 0xffffff0900039000-0xffffff0900048000          60K                               pte
>[    0.008725] 0xffffff0900048000-0xffffff0900049000           4K     ro                     NX pte
>[    0.008736] 0xffffff0900049000-0xffffff0900058000          60K                               pte
>[    0.008741] 0xffffff0900058000-0xffffff0900059000           4K     ro                     NX pte
>[    0.008752] 0xffffff0900059000-0xffffff0900068000          60K                               pte
>[    0.008756] 0xffffff0900068000-0xffffff0900069000           4K     ro                     NX pte
>[    0.008767] 0xffffff0900069000-0xffffff0900078000          60K                               pte
>[    0.011983] ... 131059 entries skipped ... 
>[    0.011985] ---[ EFI Runtime Services ]---
>[    0.011986] 0xffffffef00000000-0xfffffffec0000000          63G                               pud
>[    0.011991] 0xfffffffec0000000-0xfffffffee7a00000         634M                               pmd
>[    0.011996] 0xfffffffee7a00000-0xfffffffee7a08000          32K     RW                     x  pte
>[    0.012009] 0xfffffffee7a08000-0xfffffffee7a5f000         348K                               pte
>[    0.012014] 0xfffffffee7a5f000-0xfffffffee7a9f000         256K     RW                     x  pte
>[    0.012025] 0xfffffffee7a9f000-0xfffffffee7aa6000          28K                               pte
>[    0.012031] 0xfffffffee7aa6000-0xfffffffee7e00000        3432K     RW                     x  pte
>[    0.012042] 0xfffffffee7e00000-0xfffffffee8400000           6M     RW         PSE         x  pmd
>[    0.012054] 0xfffffffee8400000-0xfffffffee8600000           2M     RW                     x  pte
>[    0.012065] 0xfffffffee8600000-0xfffffffee8a00000           4M     RW         PSE         x  pmd
>[    0.012077] 0xfffffffee8a00000-0xfffffffee8b10000        1088K     RW                     x  pte
>[    0.012088] 0xfffffffee8b10000-0xfffffffee8b2b000         108K                               pte
>[    0.012093] 0xfffffffee8b2b000-0xfffffffee8b6e000         268K     RW                     x  pte
>[    0.012104] 0xfffffffee8b6e000-0xfffffffee8b7e000          64K                               pte
>[    0.012108] 0xfffffffee8b7e000-0xfffffffee8bb1000         204K     RW                     x  pte
>[    0.012119] 0xfffffffee8bb1000-0xfffffffee8bbe000          52K                               pte
>[    0.012124] 0xfffffffee8bbe000-0xfffffffee8c1c000         376K     RW                     x  pte
>[    0.012135] 0xfffffffee8c1c000-0xfffffffee8c35000         100K                               pte
>[    0.012139] 0xfffffffee8c35000-0xfffffffee8c8f000         360K     RW                     x  pte
>[    0.012151] 0xfffffffee8c8f000-0xfffffffee8ca5000          88K                               pte
>[    0.012155] 0xfffffffee8ca5000-0xfffffffee8d15000         448K     RW                     x  pte
>[    0.012166] 0xfffffffee8d15000-0xfffffffee8d46000         196K                               pte
>[    0.012171] 0xfffffffee8d46000-0xfffffffee8dbc000         472K     RW                     x  pte
>[    0.012182] 0xfffffffee8dbc000-0xfffffffee8dea000         184K                               pte
>[    0.012186] 0xfffffffee8dea000-0xfffffffee8e04000         104K     RW                     x  pte
>[    0.012198] 0xfffffffee8e04000-0xfffffffee8ef2000         952K                               pte
>[    0.012202] 0xfffffffee8ef2000-0xfffffffee8ef4000           8K     RW                     x  pte
>[    0.012213] 0xfffffffee8ef4000-0xfffffffee8ef7000          12K                               pte
>[    0.012218] 0xfffffffee8ef7000-0xfffffffee8ef8000           4K     RW                     x  pte
>[    0.012229] 0xfffffffee8ef8000-0xfffffffee8efc000          16K                               pte
>[    0.012233] 0xfffffffee8efc000-0xfffffffee8efd000           4K     RW                     x  pte
>[    0.012244] 0xfffffffee8efd000-0xfffffffee8f1d000         128K                               pte
>[    0.012248] 0xfffffffee8f1d000-0xfffffffee8f1e000           4K     RW                     x  pte
>[    0.012260] 0xfffffffee8f1e000-0xfffffffee902b000        1076K                               pte
>[    0.012264] 0xfffffffee902b000-0xfffffffee902c000           4K     RW                     x  pte
>[    0.012275] 0xfffffffee902c000-0xfffffffee902e000           8K                               pte
>[    0.012280] 0xfffffffee902e000-0xfffffffee9057000         164K     RW                     x  pte
>[    0.012291] 0xfffffffee9057000-0xfffffffee9082000         172K                               pte
>[    0.012295] 0xfffffffee9082000-0xfffffffee9083000           4K     RW                     x  pte
>[    0.012306] 0xfffffffee9083000-0xfffffffee90b7000         208K                               pte
>[    0.012311] 0xfffffffee90b7000-0xfffffffee90b8000           4K     RW                     x  pte
>[    0.012322] 0xfffffffee90b8000-0xfffffffee9114000         368K                               pte
>[    0.012326] 0xfffffffee9114000-0xfffffffee9115000           4K     RW                     x  pte
>[    0.012338] 0xfffffffee9115000-0xfffffffee915b000         280K                               pte
>[    0.012342] 0xfffffffee915b000-0xfffffffee915c000           4K     RW                     x  pte
>[    0.012353] 0xfffffffee915c000-0xfffffffee91d0000         464K                               pte
>[    0.012358] 0xfffffffee91d0000-0xfffffffee9277000         668K     RW                     x  pte
>[    0.012369] 0xfffffffee9277000-0xfffffffee92be000         284K                               pte
>[    0.012373] 0xfffffffee92be000-0xfffffffee92c1000          12K     RW                     x  pte
>[    0.012385] 0xfffffffee92c1000-0xfffffffee93f9000        1248K                               pte
>[    0.012389] 0xfffffffee93f9000-0xfffffffee9422000         164K     RW                     x  pte
>[    0.012401] 0xfffffffee9422000-0xfffffffee94d7000         724K                               pte
>[    0.012406] 0xfffffffee94d7000-0xfffffffee95b0000         868K     RW                     x  pte
>[    0.012417] 0xfffffffee95b0000-0xfffffffee963f000         572K                               pte
>[    0.012422] 0xfffffffee963f000-0xfffffffee96c8000         548K     RW                     x  pte
>[    0.012433] 0xfffffffee96c8000-0xfffffffee96d8000          64K                               pte
>[    0.012437] 0xfffffffee96d8000-0xfffffffee970b000         204K     RW                     x  pte
>[    0.012448] 0xfffffffee970b000-0xfffffffee9718000          52K                               pte
>[    0.012453] 0xfffffffee9718000-0xfffffffee9778000         384K     RW                     x  pte
>[    0.012464] 0xfffffffee9778000-0xfffffffee9791000         100K                               pte
>[    0.012468] 0xfffffffee9791000-0xfffffffee97ea000         356K     RW                     x  pte
>[    0.012479] 0xfffffffee97ea000-0xfffffffee9800000          88K                               pte
>[    0.012484] 0xfffffffee9800000-0xfffffffee9918000        1120K     RW                     x  pte
>[    0.012496] 0xfffffffee9918000-0xfffffffee9946000         184K                               pte
>[    0.012500] 0xfffffffee9946000-0xfffffffee9965000         124K     RW                     x  pte
>[    0.012511] 0xfffffffee9965000-0xfffffffee9975000          64K                               pte
>[    0.012516] 0xfffffffee9975000-0xfffffffee99d8000         396K     RW                     x  pte
>[    0.012527] 0xfffffffee99d8000-0xfffffffee99f4000         112K                               pte
>[    0.012531] 0xfffffffee99f4000-0xfffffffee9a9c000         672K     RW                     x  pte
>[    0.012542] 0xfffffffee9a9c000-0xfffffffee9aac000          64K                               pte
>[    0.012547] 0xfffffffee9aac000-0xfffffffee9adf000         204K     RW                     x  pte
>[    0.012558] 0xfffffffee9adf000-0xfffffffee9aec000          52K                               pte
>[    0.012562] 0xfffffffee9aec000-0xfffffffee9b49000         372K     RW                     x  pte
>[    0.012574] 0xfffffffee9b49000-0xfffffffee9b62000         100K                               pte
>[    0.012578] 0xfffffffee9b62000-0xfffffffee9bbc000         360K     RW                     x  pte
>[    0.012589] 0xfffffffee9bbc000-0xfffffffee9bd2000          88K                               pte
>[    0.012594] 0xfffffffee9bd2000-0xfffffffee9c42000         448K     RW                     x  pte
>[    0.012605] 0xfffffffee9c42000-0xfffffffee9c73000         196K                               pte
>[    0.012609] 0xfffffffee9c73000-0xfffffffee9ce9000         472K     RW                     x  pte
>[    0.012621] 0xfffffffee9ce9000-0xfffffffee9cf0000          28K                               pte
>[    0.012626] 0xfffffffee9cf0000-0xfffffffee9e68000        1504K     RW                     x  pte
>[    0.012637] 0xfffffffee9e68000-0xfffffffee9e6b000          12K                               pte
>[    0.012642] 0xfffffffee9e6b000-0xfffffffee9f8a000        1148K     RW                     x  pte
>[    0.012653] 0xfffffffee9f8a000-0xfffffffee9f93000          36K                               pte
>[    0.012658] 0xfffffffee9f93000-0xfffffffeea19a000        2076K     RW                     x  pte
>[    0.012669] 0xfffffffeea19a000-0xfffffffeea19d000          12K                               pte
>[    0.012674] 0xfffffffeea19d000-0xfffffffeea2e0000        1292K     RW                     x  pte
>[    0.012685] 0xfffffffeea2e0000-0xfffffffeea2e9000          36K                               pte
>[    0.012690] 0xfffffffeea2e9000-0xfffffffeea352000         420K     RW                     x  pte
>[    0.012701] 0xfffffffeea352000-0xfffffffeea35b000          36K                               pte
>[    0.012706] 0xfffffffeea35b000-0xfffffffeea3da000         508K     RW                     x  pte
>[    0.012717] 0xfffffffeea3da000-0xfffffffeea3dd000          12K                               pte
>[    0.012721] 0xfffffffeea3dd000-0xfffffffeea481000         656K     RW                     x  pte
>[    0.012732] 0xfffffffeea481000-0xfffffffeea486000          20K                               pte
>[    0.012737] 0xfffffffeea486000-0xfffffffeea5a7000        1156K     RW                     x  pte
>[    0.012748] 0xfffffffeea5a7000-0xfffffffeea5a8000           4K                               pte
>[    0.012754] 0xfffffffeea5a8000-0xfffffffeea759000        1732K     RW                     x  pte
>[    0.012765] 0xfffffffeea759000-0xfffffffeea762000          36K                               pte
>[    0.012769] 0xfffffffeea762000-0xfffffffeea7df000         500K     RW                     x  pte
>[    0.012780] 0xfffffffeea7df000-0xfffffffeea7e2000          12K                               pte
>[    0.012785] 0xfffffffeea7e2000-0xfffffffeea887000         660K     RW                     x  pte
>[    0.012796] 0xfffffffeea887000-0xfffffffeea88f000          32K                               pte
>[    0.012801] 0xfffffffeea88f000-0xfffffffeea9e4000        1364K     RW                     x  pte
>[    0.012812] 0xfffffffeea9e4000-0xfffffffeea9ee000          40K                               pte
>[    0.012817] 0xfffffffeea9ee000-0xfffffffeeaa72000         528K     RW                     x  pte
>[    0.012828] 0xfffffffeeaa72000-0xfffffffeeaa75000          12K                               pte
>[    0.012832] 0xfffffffeeaa75000-0xfffffffeeaa7b000          24K     RW                     x  pte
>[    0.012843] 0xfffffffeeaa7b000-0xfffffffeeaa83000          32K                               pte
>[    0.012848] 0xfffffffeeaa83000-0xfffffffeeab50000         820K     RW                     x  pte
>[    0.012859] 0xfffffffeeab50000-0xfffffffeeab55000          20K                               pte
>[    0.012863] 0xfffffffeeab55000-0xfffffffeeab5a000          20K     RW                     x  pte
>[    0.012874] 0xfffffffeeab5a000-0xfffffffeeab60000          24K                               pte
>[    0.012879] 0xfffffffeeab60000-0xfffffffeeab65000          20K     RW                     x  pte
>[    0.012890] 0xfffffffeeab65000-0xfffffffeeab6f000          40K                               pte
>[    0.012894] 0xfffffffeeab6f000-0xfffffffeeac00000         580K     RW                     x  pte
>[    0.012906] 0xfffffffeeac00000-0xfffffffeeb400000           8M     RW         PSE         x  pmd
>[    0.012917] 0xfffffffeeb400000-0xfffffffeeb42d000         180K     RW                     x  pte
>[    0.012928] 0xfffffffeeb42d000-0xfffffffeeb42e000           4K                               pte
>[    0.012932] 0xfffffffeeb42e000-0xfffffffeeb42f000           4K     RW                     x  pte
>[    0.012943] 0xfffffffeeb42f000-0xfffffffeeb431000           8K                               pte
>[    0.012948] 0xfffffffeeb431000-0xfffffffeeb600000        1852K     RW                     x  pte
>[    0.012960] 0xfffffffeeb600000-0xfffffffef4c00000         150M     RW         PSE         x  pmd
>[    0.012971] 0xfffffffef4c00000-0xfffffffef4c72000         456K     RW                     x  pte
>[    0.012982] 0xfffffffef4c72000-0xfffffffef4c75000          12K                               pte
>[    0.012987] 0xfffffffef4c75000-0xfffffffef4c7e000          36K     RW                     x  pte
>[    0.012998] 0xfffffffef4c7e000-0xfffffffef4c81000          12K                               pte
>[    0.013005] 0xfffffffef4c81000-0xfffffffef4c89000          32K     RW                     x  pte
>[    0.013016] 0xfffffffef4c89000-0xfffffffef4c8c000          12K                               pte
>[    0.013020] 0xfffffffef4c8c000-0xfffffffef4c95000          36K     RW                     x  pte
>[    0.013031] 0xfffffffef4c95000-0xfffffffef4c98000          12K                               pte
>[    0.013036] 0xfffffffef4c98000-0xfffffffef4e00000        1440K     RW                     x  pte
>[    0.013048] 0xfffffffef4e00000-0xfffffffef6800000          26M     RW         PSE         x  pmd
>[    0.013059] 0xfffffffef6800000-0xfffffffef6903000        1036K     RW                     x  pte
>[    0.013071] 0xfffffffef6903000-0xfffffffef6991000         568K                               pte
>[    0.013075] 0xfffffffef6991000-0xfffffffef6a00000         444K     RW                     x  pte
>[    0.013086] 0xfffffffef6a00000-0xfffffffef6c00000           2M     RW         PSE         x  pmd
>[    0.013098] 0xfffffffef6c00000-0xfffffffef6c88000         544K     RW                     x  pte
>[    0.013109] 0xfffffffef6c88000-0xfffffffef6dee000        1432K                               pte
>[    0.013114] 0xfffffffef6dee000-0xfffffffef6e00000          72K     RW                     x  pte
>[    0.013125] 0xfffffffef6e00000-0xfffffffefaa00000          60M     RW         PSE         x  pmd
>[    0.013137] 0xfffffffefaa00000-0xfffffffefac00000           2M     RW                     x  pte
>[    0.013148] 0xfffffffefac00000-0xfffffffefec00000          64M     RW     PCD PSE         x  pmd
>[    0.013159] 0xfffffffefec00000-0xfffffffefec01000           4K     RW     PCD             x  pte
>[    0.013171] 0xfffffffefec01000-0xfffffffefed00000        1020K                               pte
>[    0.013175] 0xfffffffefed00000-0xfffffffefed04000          16K     RW     PCD             x  pte
>[    0.013187] 0xfffffffefed04000-0xfffffffefed1c000          96K                               pte
>[    0.013191] 0xfffffffefed1c000-0xfffffffefed20000          16K     RW     PCD             x  pte
>[    0.013202] 0xfffffffefed20000-0xfffffffefee00000         896K                               pte
>[    0.013207] 0xfffffffefee00000-0xfffffffefee01000           4K     RW     PCD             x  pte
>[    0.013219] 0xfffffffefee01000-0xfffffffeff000000        2044K                               pte
>[    0.013223] 0xfffffffeff000000-0xffffffff00000000          16M     RW     PCD PSE         x  pmd
>[    0.013234] 0xffffffff00000000-0xffffffff80000000           2G                               pud
>[    0.013239] ---[ High Kernel Mapping ]---
>[    0.013240] 0xffffffff80000000-0xffffffff99000000         400M                               pmd
>[    0.013245] 0xffffffff99000000-0xffffffff9c200000          50M     RW         PSE     GLB x  pmd
>[    0.013257] 0xffffffff9c200000-0xffffffffc0000000         574M                               pmd
>[    0.013261] ---[ Modules ]---
>[    0.013263] 0xffffffffc0000000-0xffffffffff000000        1008M                               pmd
>[    0.013268] ---[ End Modules ]---
>[    0.013269] 0xffffffffff000000-0xffffffffff200000           2M                               pmd
>[    0.013275] 0xffffffffff200000-0xffffffffff576000        3544K                               pte
>[    0.013279] ---[ Fixmap Area ]---
>[    0.013281] 0xffffffffff576000-0xffffffffff5fb000         532K                               pte
>[    0.013285] 0xffffffffff5fb000-0xffffffffff5fd000           8K     RW PWT PCD             NX pte
>[    0.013296] 0xffffffffff5fd000-0xffffffffff600000          12K                               pte
>[    0.013301] 0xffffffffff600000-0xffffffffff601000           4K USR ro                     NX pte
>[    0.013313] 0xffffffffff601000-0xffffffffff800000        2044K                               pte
>[    0.013317] 0xffffffffff800000-0x0000000000000000           8M                               pmd
>[    0.013367] Security Framework initialized
>[    0.013369] Yama: becoming mindful.
>[    0.013377] SELinux:  Initializing.
>[    0.013416] SELinux:  Starting in permissive mode
>[    0.019792] Dentry cache hash table entries: 4194304 (order: 13, 33554432 bytes)
>[    0.022962] Inode-cache hash table entries: 2097152 (order: 12, 16777216 bytes)
>[    0.023090] Mount-cache hash table entries: 65536 (order: 7, 524288 bytes)
>[    0.023192] Mountpoint-cache hash table entries: 65536 (order: 7, 524288 bytes)
>[    0.023627] CPU: Physical Processor ID: 0
>[    0.023628] CPU: Processor Core ID: 0
>[    0.023635] mce: CPU supports 9 MCE banks
>[    0.023647] CPU0: Thermal monitoring enabled (TM1)
>[    0.023660] process: using mwait in idle threads
>[    0.023663] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024
>[    0.023664] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4
>[    0.023667] Spectre V2 : Mitigation: Full generic retpoline
>[    0.023668] Spectre V2 : Spectre v2 mitigation: Enabling Indirect Branch Prediction Barrier
>[    0.023669] Spectre V2 : Enabling Restricted Speculation for firmware calls
>[    0.023784] Freeing SMP alternatives memory: 28K
>[    0.051990] TSC deadline timer enabled
>[    0.051996] smpboot: CPU0: Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz (family: 0x6, model: 0x3c, stepping: 0x3)
>[    0.052000] Performance Events: PEBS fmt2+, Haswell events, 16-deep LBR, full-width counters, Intel PMU driver.
>[    0.052000] ... version:                3
>[    0.052000] ... bit width:              48
>[    0.052000] ... generic registers:      4
>[    0.052000] ... value mask:             0000ffffffffffff
>[    0.052000] ... max period:             00007fffffffffff
>[    0.052000] ... fixed-purpose events:   3
>[    0.052000] ... event mask:             000000070000000f
>[    0.052000] Hierarchical SRCU implementation.
>[    0.052547] NMI watchdog: Enabled. Permanently consumes one hw-PMU counter.
>[    0.052594] smp: Bringing up secondary CPUs ...
>[    0.052890] x86: Booting SMP configuration:
>[    0.052894] .... node  #0, CPUs:      #1 #2 #3 #4 #5 #6 #7
>[    0.060478] smp: Brought up 1 node, 8 CPUs
>[    0.060478] smpboot: Max logical packages: 1
>[    0.060478] smpboot: Total of 8 processors activated (54276.14 BogoMIPS)
>[    0.062155] devtmpfs: initialized
>[    0.062155] x86/mm: Memory block size: 128MB
>[    0.069958] PM: Registering ACPI NVS region [mem 0xbd69f000-0xbd6a5fff] (28672 bytes)
>[    0.070010] PM: Registering ACPI NVS region [mem 0xdb932000-0xdb9edfff] (770048 bytes)
>[    0.070216] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns
>[    0.070216] futex hash table entries: 2048 (order: 6, 262144 bytes)
>[    0.070460] pinctrl core: initialized pinctrl subsystem
>[    0.071115] RTC time: 15:08:27, date: 03/29/18
>[    0.072035] NET: Registered protocol family 16
>[    0.072262] audit: initializing netlink subsys (disabled)
>[    0.072302] audit: type=2000 audit(1522336107.072:1): state=initialized audit_enabled=0 res=1
>[    0.072302] cpuidle: using governor menu
>[    0.072302] ACPI FADT declares the system doesn't support PCIe ASPM, so disable it
>[    0.072302] ACPI: bus type PCI registered
>[    0.072302] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
>[    0.072302] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xf8000000-0xfbffffff] (base 0xf8000000)
>[    0.072303] PCI: MMCONFIG at [mem 0xf8000000-0xfbffffff] reserved in E820
>[    0.072310] pmd_set_huge: Cannot satisfy [mem 0xf8000000-0xf8200000] with a huge-page mapping due to MTRR override.
>[    0.072374] PCI: Using configuration type 1 for base access
>[    0.073013] core: PMU erratum BJ122, BV98, HSD29 worked around, HT is on
>[    0.078194] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages
>[    0.078194] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages
>[    0.078231] cryptd: max_cpu_qlen set to 1000
>[    0.079034] ACPI: Added _OSI(Module Device)
>[    0.079034] ACPI: Added _OSI(Processor Device)
>[    0.079034] ACPI: Added _OSI(3.0 _SCP Extensions)
>[    0.079034] ACPI: Added _OSI(Processor Aggregator Device)
>[    0.079034] ACPI: Executed 1 blocks of module-level executable AML code
>[    0.096562] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored
>[    0.099370] ACPI: Dynamic OEM Table Load:
>[    0.099370] ACPI: SSDT 0xFFFF925CB9060C00 0003D3 (v01 PmRef  Cpu0Cst  00003001 INTL 20120711)
>[    0.099526] ACPI: Dynamic OEM Table Load:
>[    0.099538] ACPI: SSDT 0xFFFF925CB9B81000 0005AA (v01 PmRef  ApIst    00003000 INTL 20120711)
>[    0.101184] ACPI: Dynamic OEM Table Load:
>[    0.101195] ACPI: SSDT 0xFFFF925CB9B35000 000119 (v01 PmRef  ApCst    00003000 INTL 20120711)
>[    0.107263] ACPI: Interpreter enabled
>[    0.107309] ACPI: (supports S0 S3 S4 S5)
>[    0.107311] ACPI: Using IOAPIC for interrupt routing
>[    0.107364] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
>[    0.108464] ACPI: Enabled 7 GPEs in block 00 to 3F
>[    0.139193] ACPI: Power Resource [FN00] (off)
>[    0.139462] ACPI: Power Resource [FN01] (off)
>[    0.139699] ACPI: Power Resource [FN02] (off)
>[    0.139930] ACPI: Power Resource [FN03] (off)
>[    0.140171] ACPI: Power Resource [FN04] (off)
>[    0.143114] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-3e])
>[    0.143121] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI]
>[    0.143681] acpi PNP0A08:00: _OSC: platform does not support [PCIeHotplug PME]
>[    0.144154] acpi PNP0A08:00: _OSC: OS now controls [AER PCIeCapability]
>[    0.144156] acpi PNP0A08:00: FADT indicates ASPM is unsupported, using BIOS configuration
>[    0.145502] PCI host bridge to bus 0000:00
>[    0.145505] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7 window]
>[    0.145507] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff window]
>[    0.145509] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
>[    0.145511] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window]
>[    0.145513] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window]
>[    0.145515] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window]
>[    0.145517] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window]
>[    0.145519] pci_bus 0000:00: root bus resource [mem 0xe0000000-0xfeafffff window]
>[    0.145521] pci_bus 0000:00: root bus resource [bus 00-3e]
>[    0.145543] pci 0000:00:00.0: [8086:0c00] type 00 class 0x060000
>[    0.145805] pci 0000:00:14.0: [8086:8c31] type 00 class 0x0c0330
>[    0.145828] pci 0000:00:14.0: reg 0x10: [mem 0xf7f00000-0xf7f0ffff 64bit]
>[    0.145896] pci 0000:00:14.0: PME# supported from D3hot D3cold
>[    0.146164] pci 0000:00:16.0: [8086:8c3a] type 00 class 0x078000
>[    0.146187] pci 0000:00:16.0: reg 0x10: [mem 0xf7f18000-0xf7f1800f 64bit]
>[    0.146258] pci 0000:00:16.0: PME# supported from D0 D3hot D3cold
>[    0.146454] pci 0000:00:1b.0: [8086:8c20] type 00 class 0x040300
>[    0.146473] pci 0000:00:1b.0: reg 0x10: [mem 0xf7f10000-0xf7f13fff 64bit]
>[    0.146542] pci 0000:00:1b.0: PME# supported from D0 D3hot D3cold
>[    0.146745] pci 0000:00:1c.0: [8086:8c10] type 01 class 0x060400
>[    0.146825] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold
>[    0.147163] pci 0000:00:1c.2: [8086:8c14] type 01 class 0x060400
>[    0.147244] pci 0000:00:1c.2: PME# supported from D0 D3hot D3cold
>[    0.147573] pci 0000:00:1c.3: [8086:8c16] type 01 class 0x060400
>[    0.147654] pci 0000:00:1c.3: PME# supported from D0 D3hot D3cold
>[    0.147978] pci 0000:00:1c.4: [8086:8c18] type 01 class 0x060400
>[    0.148061] pci 0000:00:1c.4: PME# supported from D0 D3hot D3cold
>[    0.148395] pci 0000:00:1f.0: [8086:8c44] type 00 class 0x060100
>[    0.148690] pci 0000:00:1f.2: [8086:8c02] type 00 class 0x010601
>[    0.148707] pci 0000:00:1f.2: reg 0x10: [io  0xf070-0xf077]
>[    0.148715] pci 0000:00:1f.2: reg 0x14: [io  0xf060-0xf063]
>[    0.148722] pci 0000:00:1f.2: reg 0x18: [io  0xf050-0xf057]
>[    0.148730] pci 0000:00:1f.2: reg 0x1c: [io  0xf040-0xf043]
>[    0.148738] pci 0000:00:1f.2: reg 0x20: [io  0xf020-0xf03f]
>[    0.148745] pci 0000:00:1f.2: reg 0x24: [mem 0xf7f16000-0xf7f167ff]
>[    0.148787] pci 0000:00:1f.2: PME# supported from D3hot
>[    0.148978] pci 0000:00:1f.3: [8086:8c22] type 00 class 0x0c0500
>[    0.148997] pci 0000:00:1f.3: reg 0x10: [mem 0xf7f15000-0xf7f150ff 64bit]
>[    0.149020] pci 0000:00:1f.3: reg 0x20: [io  0xf000-0xf01f]
>[    0.149382] acpiphp: Slot [1] registered
>[    0.149389] pci 0000:00:1c.0: PCI bridge to [bus 01]
>[    0.149519] pci 0000:02:00.0: [10ec:8168] type 00 class 0x020000
>[    0.149550] pci 0000:02:00.0: reg 0x10: [io  0xe000-0xe0ff]
>[    0.149579] pci 0000:02:00.0: reg 0x18: [mem 0xf7e00000-0xf7e00fff 64bit]
>[    0.149598] pci 0000:02:00.0: reg 0x20: [mem 0xf0300000-0xf0303fff 64bit pref]
>[    0.149706] pci 0000:02:00.0: supports D1 D2
>[    0.149707] pci 0000:02:00.0: PME# supported from D0 D1 D2 D3hot D3cold
>[    0.152027] pci 0000:00:1c.2: PCI bridge to [bus 02]
>[    0.152031] pci 0000:00:1c.2:   bridge window [io  0xe000-0xefff]
>[    0.152034] pci 0000:00:1c.2:   bridge window [mem 0xf7e00000-0xf7efffff]
>[    0.152040] pci 0000:00:1c.2:   bridge window [mem 0xf0300000-0xf03fffff 64bit pref]
>[    0.152166] pci 0000:03:00.0: [8086:244e] type 01 class 0x060401
>[    0.152308] pci 0000:03:00.0: supports D1 D2
>[    0.152310] pci 0000:03:00.0: PME# supported from D0 D1 D2 D3hot D3cold
>[    0.152410] pci 0000:00:1c.3: PCI bridge to [bus 03-04]
>[    0.152567] pci 0000:03:00.0: PCI bridge to [bus 04] (subtractive decode)
>[    0.152725] pci 0000:05:00.0: [1022:1470] type 01 class 0x060400
>[    0.152759] pci 0000:05:00.0: reg 0x10: [mem 0xf7d00000-0xf7d03fff]
>[    0.152796] pci 0000:05:00.0: enabling Extended Tags
>[    0.152892] pci 0000:05:00.0: PME# supported from D0 D3hot D3cold
>[    0.156026] pci 0000:00:1c.4: PCI bridge to [bus 05-07]
>[    0.156030] pci 0000:00:1c.4:   bridge window [io  0xd000-0xdfff]
>[    0.156034] pci 0000:00:1c.4:   bridge window [mem 0xf7c00000-0xf7dfffff]
>[    0.156039] pci 0000:00:1c.4:   bridge window [mem 0xe0000000-0xf01fffff 64bit pref]
>[    0.156127] pci 0000:06:00.0: [1022:1471] type 01 class 0x060400
>[    0.156195] pci 0000:06:00.0: enabling Extended Tags
>[    0.156282] pci 0000:06:00.0: PME# supported from D0 D3hot D3cold
>[    0.156430] pci 0000:05:00.0: PCI bridge to [bus 06-07]
>[    0.156438] pci 0000:05:00.0:   bridge window [io  0xd000-0xdfff]
>[    0.156442] pci 0000:05:00.0:   bridge window [mem 0xf7c00000-0xf7cfffff]
>[    0.156449] pci 0000:05:00.0:   bridge window [mem 0xe0000000-0xf01fffff 64bit pref]
>[    0.156532] pci 0000:07:00.0: [1002:687f] type 00 class 0x030000
>[    0.156575] pci 0000:07:00.0: reg 0x10: [mem 0xe0000000-0xefffffff 64bit pref]
>[    0.156592] pci 0000:07:00.0: reg 0x18: [mem 0xf0000000-0xf01fffff 64bit pref]
>[    0.156604] pci 0000:07:00.0: reg 0x20: [io  0xd000-0xd0ff]
>[    0.156616] pci 0000:07:00.0: reg 0x24: [mem 0xf7c00000-0xf7c7ffff]
>[    0.156628] pci 0000:07:00.0: reg 0x30: [mem 0xf7c80000-0xf7c9ffff pref]
>[    0.156638] pci 0000:07:00.0: enabling Extended Tags
>[    0.156665] pci 0000:07:00.0: BAR 0: assigned to efifb
>[    0.156748] pci 0000:07:00.0: PME# supported from D1 D2 D3hot D3cold
>[    0.156877] pci 0000:07:00.1: [1002:aaf8] type 00 class 0x040300
>[    0.156907] pci 0000:07:00.1: reg 0x10: [mem 0xf7ca0000-0xf7ca3fff]
>[    0.156976] pci 0000:07:00.1: enabling Extended Tags
>[    0.157068] pci 0000:07:00.1: PME# supported from D1 D2 D3hot D3cold
>[    0.157232] pci 0000:06:00.0: PCI bridge to [bus 07]
>[    0.157240] pci 0000:06:00.0:   bridge window [io  0xd000-0xdfff]
>[    0.157244] pci 0000:06:00.0:   bridge window [mem 0xf7c00000-0xf7cfffff]
>[    0.157251] pci 0000:06:00.0:   bridge window [mem 0xe0000000-0xf01fffff 64bit pref]
>[    0.159586] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 *11 12 14 15)
>[    0.159743] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 11 12 14 15)
>[    0.159895] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 *11 12 14 15)
>[    0.160052] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 *10 11 12 14 15)
>[    0.160203] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 11 12 14 15) *0, disabled.
>[    0.160356] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 11 12 14 15) *0, disabled.
>[    0.160509] ACPI: PCI Interrupt Link [LNKG] (IRQs *3 4 5 6 10 11 12 14 15)
>[    0.160659] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 11 12 14 15) *0, disabled.
>[    0.161766] pci 0000:07:00.0: vgaarb: setting as boot VGA device
>[    0.161766] pci 0000:07:00.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none
>[    0.161766] pci 0000:07:00.0: vgaarb: bridge control possible
>[    0.161766] vgaarb: loaded
>[    0.162057] SCSI subsystem initialized
>[    0.162172] libata version 3.00 loaded.
>[    0.162172] ACPI: bus type USB registered
>[    0.162172] usbcore: registered new interface driver usbfs
>[    0.162172] usbcore: registered new interface driver hub
>[    0.162200] usbcore: registered new device driver usb
>[    0.162291] EDAC MC: Ver: 3.0.0
>[    0.162291] Registered efivars operations
>[    0.165944] PCI: Using ACPI for IRQ routing
>[    0.167275] PCI: pci_cache_line_size set to 64 bytes
>[    0.167325] e820: reserve RAM buffer [mem 0x00058000-0x0005ffff]
>[    0.167332] e820: reserve RAM buffer [mem 0x0009f000-0x0009ffff]
>[    0.167334] e820: reserve RAM buffer [mem 0xbd355018-0xbfffffff]
>[    0.167337] e820: reserve RAM buffer [mem 0xbd36f018-0xbfffffff]
>[    0.167339] e820: reserve RAM buffer [mem 0xbd69f000-0xbfffffff]
>[    0.167341] e820: reserve RAM buffer [mem 0xbe17c000-0xbfffffff]
>[    0.167343] e820: reserve RAM buffer [mem 0xdb488000-0xdbffffff]
>[    0.167345] e820: reserve RAM buffer [mem 0xdb932000-0xdbffffff]
>[    0.167347] e820: reserve RAM buffer [mem 0xdf800000-0xdfffffff]
>[    0.167349] e820: reserve RAM buffer [mem 0x81f000000-0x81fffffff]
>[    0.167657] NetLabel: Initializing
>[    0.167659] NetLabel:  domain hash size = 128
>[    0.167660] NetLabel:  protocols = UNLABELED CIPSOv4 CALIPSO
>[    0.167691] NetLabel:  unlabeled traffic allowed by default
>[    0.167825] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0
>[    0.167825] hpet0: 8 comparators, 64-bit 14.318180 MHz counter
>[    0.169065] clocksource: Switched to clocksource tsc-early
>[    0.210417] VFS: Disk quotas dquot_6.6.0
>[    0.210453] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
>[    0.210641] pnp: PnP ACPI init
>[    0.210833] system 00:00: [mem 0xfed40000-0xfed44fff] has been reserved
>[    0.210853] system 00:00: Plug and Play ACPI device, IDs PNP0c01 (active)
>[    0.211279] system 00:01: [io  0x0680-0x069f] has been reserved
>[    0.211282] system 00:01: [io  0xffff] has been reserved
>[    0.211284] system 00:01: [io  0xffff] has been reserved
>[    0.211287] system 00:01: [io  0xffff] has been reserved
>[    0.211289] system 00:01: [io  0x1c00-0x1cfe] has been reserved
>[    0.211292] system 00:01: [io  0x1d00-0x1dfe] has been reserved
>[    0.211294] system 00:01: [io  0x1e00-0x1efe] has been reserved
>[    0.211297] system 00:01: [io  0x1f00-0x1ffe] has been reserved
>[    0.211300] system 00:01: [io  0x1800-0x18fe] has been reserved
>[    0.211302] system 00:01: [io  0x164e-0x164f] has been reserved
>[    0.211310] system 00:01: Plug and Play ACPI device, IDs PNP0c02 (active)
>[    0.211362] pnp 00:02: Plug and Play ACPI device, IDs PNP0b00 (active)
>[    0.211477] system 00:03: [io  0x1854-0x1857] has been reserved
>[    0.211485] system 00:03: Plug and Play ACPI device, IDs INT3f0d PNP0c02 (active)
>[    0.211791] system 00:04: [io  0x0a00-0x0a0f] has been reserved
>[    0.211794] system 00:04: [io  0x0a30-0x0a3f] has been reserved
>[    0.211796] system 00:04: [io  0x0a20-0x0a2f] has been reserved
>[    0.211804] system 00:04: Plug and Play ACPI device, IDs PNP0c02 (active)
>[    0.212403] pnp 00:05: [dma 0 disabled]
>[    0.212473] pnp 00:05: Plug and Play ACPI device, IDs PNP0501 (active)
>[    0.213257] pnp 00:06: [dma 3]
>[    0.213520] pnp 00:06: Plug and Play ACPI device, IDs PNP0401 (active)
>[    0.213629] system 00:07: [io  0x04d0-0x04d1] has been reserved
>[    0.213637] system 00:07: Plug and Play ACPI device, IDs PNP0c02 (active)
>[    0.214690] system 00:08: [mem 0xfed1c000-0xfed1ffff] has been reserved
>[    0.214693] system 00:08: [mem 0xfed10000-0xfed17fff] has been reserved
>[    0.214695] system 00:08: [mem 0xfed18000-0xfed18fff] has been reserved
>[    0.214698] system 00:08: [mem 0xfed19000-0xfed19fff] has been reserved
>[    0.214701] system 00:08: [mem 0xf8000000-0xfbffffff] has been reserved
>[    0.214703] system 00:08: [mem 0xfed20000-0xfed3ffff] has been reserved
>[    0.214709] system 00:08: [mem 0xfed90000-0xfed93fff] could not be reserved
>[    0.214712] system 00:08: [mem 0xfed45000-0xfed8ffff] has been reserved
>[    0.214714] system 00:08: [mem 0xff000000-0xffffffff] has been reserved
>[    0.214718] system 00:08: [mem 0xfee00000-0xfeefffff] could not be reserved
>[    0.214720] system 00:08: [mem 0xf7fee000-0xf7feefff] has been reserved
>[    0.214723] system 00:08: [mem 0xf7fd0000-0xf7fdffff] has been reserved
>[    0.214730] system 00:08: Plug and Play ACPI device, IDs PNP0c02 (active)
>[    0.215360] pnp: PnP ACPI: found 9 devices
>[    0.223290] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
>[    0.223350] pci 0000:00:1c.0: PCI bridge to [bus 01]
>[    0.223360] pci 0000:00:1c.2: PCI bridge to [bus 02]
>[    0.223363] pci 0000:00:1c.2:   bridge window [io  0xe000-0xefff]
>[    0.223367] pci 0000:00:1c.2:   bridge window [mem 0xf7e00000-0xf7efffff]
>[    0.223371] pci 0000:00:1c.2:   bridge window [mem 0xf0300000-0xf03fffff 64bit pref]
>[    0.223376] pci 0000:03:00.0: PCI bridge to [bus 04]
>[    0.223397] pci 0000:00:1c.3: PCI bridge to [bus 03-04]
>[    0.223407] pci 0000:06:00.0: PCI bridge to [bus 07]
>[    0.223410] pci 0000:06:00.0:   bridge window [io  0xd000-0xdfff]
>[    0.223416] pci 0000:06:00.0:   bridge window [mem 0xf7c00000-0xf7cfffff]
>[    0.223420] pci 0000:06:00.0:   bridge window [mem 0xe0000000-0xf01fffff 64bit pref]
>[    0.223428] pci 0000:05:00.0: PCI bridge to [bus 06-07]
>[    0.223431] pci 0000:05:00.0:   bridge window [io  0xd000-0xdfff]
>[    0.223437] pci 0000:05:00.0:   bridge window [mem 0xf7c00000-0xf7cfffff]
>[    0.223441] pci 0000:05:00.0:   bridge window [mem 0xe0000000-0xf01fffff 64bit pref]
>[    0.223449] pci 0000:00:1c.4: PCI bridge to [bus 05-07]
>[    0.223451] pci 0000:00:1c.4:   bridge window [io  0xd000-0xdfff]
>[    0.223456] pci 0000:00:1c.4:   bridge window [mem 0xf7c00000-0xf7dfffff]
>[    0.223459] pci 0000:00:1c.4:   bridge window [mem 0xe0000000-0xf01fffff 64bit pref]
>[    0.223465] pci_bus 0000:00: resource 4 [io  0x0000-0x0cf7 window]
>[    0.223467] pci_bus 0000:00: resource 5 [io  0x0d00-0xffff window]
>[    0.223469] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window]
>[    0.223470] pci_bus 0000:00: resource 7 [mem 0x000d0000-0x000d3fff window]
>[    0.223472] pci_bus 0000:00: resource 8 [mem 0x000d4000-0x000d7fff window]
>[    0.223474] pci_bus 0000:00: resource 9 [mem 0x000d8000-0x000dbfff window]
>[    0.223476] pci_bus 0000:00: resource 10 [mem 0x000dc000-0x000dffff window]
>[    0.223477] pci_bus 0000:00: resource 11 [mem 0xe0000000-0xfeafffff window]
>[    0.223479] pci_bus 0000:02: resource 0 [io  0xe000-0xefff]
>[    0.223481] pci_bus 0000:02: resource 1 [mem 0xf7e00000-0xf7efffff]
>[    0.223483] pci_bus 0000:02: resource 2 [mem 0xf0300000-0xf03fffff 64bit pref]
>[    0.223485] pci_bus 0000:05: resource 0 [io  0xd000-0xdfff]
>[    0.223486] pci_bus 0000:05: resource 1 [mem 0xf7c00000-0xf7dfffff]
>[    0.223488] pci_bus 0000:05: resource 2 [mem 0xe0000000-0xf01fffff 64bit pref]
>[    0.223490] pci_bus 0000:06: resource 0 [io  0xd000-0xdfff]
>[    0.223491] pci_bus 0000:06: resource 1 [mem 0xf7c00000-0xf7cfffff]
>[    0.223493] pci_bus 0000:06: resource 2 [mem 0xe0000000-0xf01fffff 64bit pref]
>[    0.223495] pci_bus 0000:07: resource 0 [io  0xd000-0xdfff]
>[    0.223497] pci_bus 0000:07: resource 1 [mem 0xf7c00000-0xf7cfffff]
>[    0.223498] pci_bus 0000:07: resource 2 [mem 0xe0000000-0xf01fffff 64bit pref]
>[    0.223789] NET: Registered protocol family 2
>[    0.229182] tcp_listen_portaddr_hash hash table entries: 16384 (order: 8, 1441792 bytes)
>[    0.229897] TCP established hash table entries: 262144 (order: 9, 2097152 bytes)
>[    0.230654] TCP bind hash table entries: 65536 (order: 10, 5242880 bytes)
>[    0.232610] TCP: Hash tables configured (established 262144 bind 65536)
>[    0.233039] UDP hash table entries: 16384 (order: 9, 3145728 bytes)
>[    0.234368] UDP-Lite hash table entries: 16384 (order: 9, 3145728 bytes)
>[    0.235487] NET: Registered protocol family 1
>[    0.236149] pci 0000:07:00.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]
>[    0.236155] PCI: CLS 64 bytes, default 64
>[    0.236312] Unpacking initramfs...
>[    1.550608] Freeing initrd memory: 103144K
>[    1.569970] DMA-API: preallocated 65536 debug entries
>[    1.569972] DMA-API: debugging enabled by kernel config
>[    1.570110] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
>[    1.570113] software IO TLB [mem 0xc872b000-0xcc72b000] (64MB) mapped at [000000000ad3a3d1-000000007a8a9e8c]
>[    1.571811] Scanning for low memory corruption every 60 seconds
>[    1.572088] cryptomgr_test (79) used greatest stack depth: 14488 bytes left
>[    1.573124] Initialise system trusted keyrings
>[    1.573198] Key type blacklist registered
>[    1.573268] workingset: timestamp_bits=36 max_order=23 bucket_order=0
>[    1.577450] zbud: loaded
>[    1.578863] SELinux:  Registering netfilter hooks
>[    1.661277] cryptomgr_test (81) used greatest stack depth: 13960 bytes left
>[    1.686119] cryptomgr_test (82) used greatest stack depth: 13832 bytes left
>[    1.689730] modprobe (98) used greatest stack depth: 13736 bytes left
>[    1.691504] cryptomgr_test (96) used greatest stack depth: 13016 bytes left
>[    1.696091] NET: Registered protocol family 38
>[    1.696106] Key type asymmetric registered
>[    1.696114] Asymmetric key parser 'x509' registered
>[    1.696140] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247)
>[    1.696229] io scheduler noop registered
>[    1.696230] io scheduler deadline registered
>[    1.696306] io scheduler cfq registered (default)
>[    1.696308] io scheduler mq-deadline registered
>[    1.698464] efifb: probing for efifb
>[    1.698482] efifb: framebuffer at 0xe0000000, using 3072k, total 3072k
>[    1.698483] efifb: mode is 1024x768x32, linelength=4096, pages=1
>[    1.698484] efifb: scrolling: redraw
>[    1.698486] efifb: Truecolor: size=8:8:8:8, shift=24:16:8:0
>[    1.700917] Console: switching to colour frame buffer device 128x48
>[    1.702948] fb0: EFI VGA frame buffer device
>[    1.702964] intel_idle: MWAIT substates: 0x42120
>[    1.702965] intel_idle: v0.4.1 model 0x3C
>[    1.703620] intel_idle: lapic_timer_reliable_states 0xffffffff
>[    1.703877] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input0
>[    1.704023] ACPI: Power Button [PWRB]
>[    1.704121] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1
>[    1.704145] ACPI: Power Button [PWRF]
>[    1.706589] thermal LNXTHERM:00: registered as thermal_zone0
>[    1.706591] ACPI: Thermal Zone [TZ00] (28 C)
>[    1.707349] thermal LNXTHERM:01: registered as thermal_zone1
>[    1.707351] ACPI: Thermal Zone [TZ01] (30 C)
>[    1.707614] Serial: 8250/16550 driver, 32 ports, IRQ sharing enabled
>[    1.728238] 00:05: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
>[    1.733415] Non-volatile memory driver v1.3
>[    1.733472] Linux agpgart interface v0.103
>[    1.735156] ahci 0000:00:1f.2: version 3.0
>[    1.735482] ahci 0000:00:1f.2: AHCI 0001.0300 32 slots 6 ports 6 Gbps 0xd impl SATA mode
>[    1.735485] ahci 0000:00:1f.2: flags: 64bit ncq led clo pio slum part ems apst 
>[    1.742742] scsi host0: ahci
>[    1.743147] scsi host1: ahci
>[    1.743401] scsi host2: ahci
>[    1.743606] scsi host3: ahci
>[    1.743845] scsi host4: ahci
>[    1.744163] scsi host5: ahci
>[    1.744266] ata1: SATA max UDMA/133 abar m2048@0xf7f16000 port 0xf7f16100 irq 27
>[    1.744267] ata2: DUMMY
>[    1.744269] ata3: SATA max UDMA/133 abar m2048@0xf7f16000 port 0xf7f16200 irq 27
>[    1.744271] ata4: SATA max UDMA/133 abar m2048@0xf7f16000 port 0xf7f16280 irq 27
>[    1.744273] ata5: DUMMY
>[    1.744274] ata6: DUMMY
>[    1.744562] libphy: Fixed MDIO Bus: probed
>[    1.744756] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
>[    1.744773] ehci-pci: EHCI PCI platform driver
>[    1.744795] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
>[    1.744800] ohci-pci: OHCI PCI platform driver
>[    1.744826] uhci_hcd: USB Universal Host Controller Interface driver
>[    1.745157] xhci_hcd 0000:00:14.0: xHCI Host Controller
>[    1.745392] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1
>[    1.746571] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x00009810
>[    1.746576] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported
>[    1.746946] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
>[    1.746951] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
>[    1.746953] usb usb1: Product: xHCI Host Controller
>[    1.746955] usb usb1: Manufacturer: Linux 4.16.0-rc7 xhci-hcd
>[    1.746957] usb usb1: SerialNumber: 0000:00:14.0
>[    1.747359] hub 1-0:1.0: USB hub found
>[    1.747421] hub 1-0:1.0: 14 ports detected
>[    1.755547] xhci_hcd 0000:00:14.0: xHCI Host Controller
>[    1.755692] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2
>[    1.755805] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003
>[    1.755808] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
>[    1.755809] usb usb2: Product: xHCI Host Controller
>[    1.755811] usb usb2: Manufacturer: Linux 4.16.0-rc7 xhci-hcd
>[    1.755813] usb usb2: SerialNumber: 0000:00:14.0
>[    1.756143] hub 2-0:1.0: USB hub found
>[    1.756186] hub 2-0:1.0: 6 ports detected
>[    1.757838] usbcore: registered new interface driver usbserial_generic
>[    1.757868] usbserial: USB Serial support registered for generic
>[    1.757912] i8042: PNP: No PS/2 controller found.
>[    1.758014] mousedev: PS/2 mouse device common for all mice
>[    1.758374] rtc_cmos 00:02: RTC can wake from S4
>[    1.758602] rtc_cmos 00:02: rtc core: registered rtc_cmos as rtc0
>[    1.758641] rtc_cmos 00:02: alarms up to one month, y3k, 242 bytes nvram, hpet irqs
>[    1.758745] device-mapper: uevent: version 1.0.3
>[    1.758922] device-mapper: ioctl: 4.37.0-ioctl (2017-09-20) initialised: dm-devel@redhat.com
>[    1.759129] intel_pstate: Intel P-state driver initializing
>[    1.762866] hidraw: raw HID events driver (C) Jiri Kosina
>[    1.763179] usbcore: registered new interface driver usbhid
>[    1.763184] usbhid: USB HID core driver
>[    1.763857] drop_monitor: Initializing network drop monitor service
>[    1.764752] Initializing XFRM netlink socket
>[    1.766353] NET: Registered protocol family 10
>[    1.774694] Segment Routing with IPv6
>[    1.774712] mip6: Mobile IPv6
>[    1.774727] NET: Registered protocol family 17
>[    1.774831] start plist test
>[    1.775886] end plist test
>[    1.776769] RAS: Correctable Errors collector initialized.
>[    1.776862] microcode: sig=0x306c3, pf=0x2, revision=0x24
>[    1.777000] microcode: Microcode Update Driver: v2.2.
>[    1.777026] AVX2 version of gcm_enc/dec engaged.
>[    1.777028] AES CTR mode by8 optimization enabled
>[    1.795809] sched_clock: Marking stable (1795800282, 0)->(1797559743, -1759461)
>[    1.796173] registered taskstats version 1
>[    1.796194] Loading compiled-in X.509 certificates
>[    1.826426] Loaded X.509 cert 'Build time autogenerated kernel key: cc32b18773254dbfec965ae59da622b88d92d694'
>[    1.826534] zswap: loaded using pool lzo/zbud
>[    1.832266] Key type big_key registered
>[    1.834856] Key type encrypted registered
>[    1.835854]   Magic number: 10:815:134
>[    1.835905] acpi device:09: hash matches
>[    1.836015] rtc_cmos 00:02: setting system clock to 2018-03-29 15:08:29 UTC (1522336109)
>[    2.053850] ata4: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
>[    2.053888] ata3: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
>[    2.053911] ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
>[    2.054895] ata1.00: ATA-8: OCZ-VECTOR150, 1.2, max UDMA/133
>[    2.054899] ata1.00: 468862128 sectors, multi 1: LBA48 NCQ (depth 31/32), AA
>[    2.057370] ata1.00: configured for UDMA/133
>[    2.058523] scsi 0:0:0:0: Direct-Access     ATA      OCZ-VECTOR150    1.2  PQ: 0 ANSI: 5
>[    2.059759] sd 0:0:0:0: Attached scsi generic sg0 type 0
>[    2.059990] sd 0:0:0:0: [sda] 468862128 512-byte logical blocks: (240 GB/224 GiB)
>[    2.060091] sd 0:0:0:0: [sda] Write Protect is off
>[    2.060096] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
>[    2.060245] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
>[    2.061640] ata4.00: ATA-9: HGST HUH721212ALE604, LEGNW3D0, max UDMA/133
>[    2.061644] ata4.00: 23437770752 sectors, multi 16: LBA48 NCQ (depth 31/32), AA
>[    2.063535]  sda: sda1 sda2 sda3
>[    2.064949] sd 0:0:0:0: [sda] Attached SCSI disk
>[    2.072439] ata4.00: configured for UDMA/133
>[    2.074038] usb 1-7: new low-speed USB device number 2 using xhci_hcd
>[    2.134267] ata3.00: NCQ Send/Recv Log not supported
>[    2.134269] ata3.00: ATA-9: ST4000NM0033-9ZM170, SN06, max UDMA/133
>[    2.134271] ata3.00: 7814037168 sectors, multi 16: LBA48 NCQ (depth 31/32), AA
>[    2.135816] ata3.00: NCQ Send/Recv Log not supported
>[    2.135819] ata3.00: configured for UDMA/133
>[    2.136190] scsi 2:0:0:0: Direct-Access     ATA      ST4000NM0033-9ZM SN06 PQ: 0 ANSI: 5
>[    2.136593] sd 2:0:0:0: [sdb] 7814037168 512-byte logical blocks: (4.00 TB/3.64 TiB)
>[    2.136617] sd 2:0:0:0: [sdb] Write Protect is off
>[    2.136620] sd 2:0:0:0: [sdb] Mode Sense: 00 3a 00 00
>[    2.136626] sd 2:0:0:0: Attached scsi generic sg1 type 0
>[    2.136660] sd 2:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
>[    2.137351] scsi 3:0:0:0: Direct-Access     ATA      HGST HUH721212AL W3D0 PQ: 0 ANSI: 5
>[    2.137964] sd 3:0:0:0: Attached scsi generic sg2 type 0
>[    2.138169] sd 3:0:0:0: [sdc] 23437770752 512-byte logical blocks: (12.0 TB/10.9 TiB)
>[    2.138173] sd 3:0:0:0: [sdc] 4096-byte physical blocks
>[    2.138216] sd 3:0:0:0: [sdc] Write Protect is off
>[    2.138220] sd 3:0:0:0: [sdc] Mode Sense: 00 3a 00 00
>[    2.138289] sd 3:0:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
>[    2.152029] sd 3:0:0:0: [sdc] Attached SCSI disk
>[    2.153711] sd 2:0:0:0: [sdb] Attached SCSI disk
>[    2.158404] Freeing unused kernel memory: 4772K
>[    2.158406] Write protecting the kernel read-only data: 20480k
>[    2.159912] Freeing unused kernel memory: 2024K
>[    2.163167] Freeing unused kernel memory: 1968K
>[    2.166467] x86/mm: Checked W+X mappings: passed, no W+X pages found.
>[    2.166468] x86/mm: Checking user space page tables
>[    2.169620] x86/mm: Checked W+X mappings: passed, no W+X pages found.
>[    2.169624] rodata_test: all tests were successful
>[    2.193630] systemd[1]: systemd 234 running in system mode. (+PAM +AUDIT +SELINUX +IMA -APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD -IDN2 +IDN default-hierarchy=hybrid)
>[    2.205252] systemd[1]: Detected architecture x86-64.
>[    2.205258] systemd[1]: Running in initial RAM disk.
>[    2.205309] systemd[1]: Set hostname to <localhost.localdomain>.
>[    2.205430] usb 1-7: New USB device found, idVendor=0925, idProduct=1234
>[    2.205437] usb 1-7: New USB device strings: Mfr=1, Product=2, SerialNumber=0
>[    2.205439] usb 1-7: Product: UPS USB MON V1.4
>[    2.205442] usb 1-7: Manufacturer: Ð
>[    2.209887] hid-generic 0003:0925:1234.0001: hiddev96,hidraw0: USB HID v1.00 Device [Ð UPS USB MON V1.4] on usb-0000:00:14.0-7/input0
>[    2.280210] systemd[1]: Reached target Local File Systems.
>[    2.280340] systemd[1]: Listening on Journal Socket (/dev/log).
>[    2.280434] systemd[1]: Listening on Journal Audit Socket.
>[    2.280442] systemd[1]: Reached target Timers.
>[    2.280503] systemd[1]: Listening on Journal Socket.
>[    2.280606] systemd[1]: Listening on udev Control Socket.
>[    2.300370] audit: type=1130 audit(1522336109.964:2): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=kernel msg='unit=systemd-tmpfiles-setup comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
>[    2.301404] audit: type=1130 audit(1522336109.965:3): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=kernel msg='unit=kmod-static-nodes comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
>[    2.303919] audit: type=1130 audit(1522336109.967:4): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=kernel msg='unit=systemd-sysctl comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
>[    2.314826] audit: type=1130 audit(1522336109.978:5): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=kernel msg='unit=systemd-tmpfiles-setup-dev comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
>[    2.324040] usb 1-9: new high-speed USB device number 3 using xhci_hcd
>[    2.368660] audit: type=1130 audit(1522336110.032:6): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=kernel msg='unit=systemd-journald comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
>[    2.385315] audit: type=1130 audit(1522336110.049:7): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=kernel msg='unit=systemd-vconsole-setup comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
>[    2.385326] audit: type=1131 audit(1522336110.049:8): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=kernel msg='unit=systemd-vconsole-setup comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
>[    2.392300] audit: type=1130 audit(1522336110.056:9): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=kernel msg='unit=dracut-cmdline comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
>[    2.436350] audit: type=1130 audit(1522336110.100:10): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=kernel msg='unit=dracut-pre-udev comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
>[    2.457506] usb 1-9: New USB device found, idVendor=2109, idProduct=2812
>[    2.457509] usb 1-9: New USB device strings: Mfr=0, Product=1, SerialNumber=0
>[    2.457512] usb 1-9: Product: USB 2.0 HUB
>                     
>[    2.458508] hub 1-9:1.0: USB hub found
>[    2.458689] hub 1-9:1.0: 4 ports detected
>[    2.580030] usb 1-10: new high-speed USB device number 4 using xhci_hcd
>[    2.592115] tsc: Refined TSC clocksource calibration: 3392.144 MHz
>[    2.592138] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x30e5517d4e4, max_idle_ns: 440795261668 ns
>[    2.592257] clocksource: Switched to clocksource tsc
>[    2.706403] usb 1-10: config 1 has an invalid interface number: 9 but max is 2
>[    2.706408] usb 1-10: config 1 has no interface number 2
>[    2.706808] usb 1-10: New USB device found, idVendor=1019, idProduct=0010
>[    2.706812] usb 1-10: New USB device strings: Mfr=1, Product=2, SerialNumber=3
>[    2.706815] usb 1-10: Product: FOSTEX USB AUDIO HP-A8
>[    2.706818] usb 1-10: Manufacturer: FOSTEX
>[    2.706821] usb 1-10: SerialNumber: 00000
>[    2.708304] input: FOSTEX FOSTEX USB AUDIO HP-A8 as /devices/pci0000:00/0000:00:14.0/usb1/1-10/1-10:1.9/0003:1019:0010.0002/input/input2
>[    2.823970] hid-generic 0003:1019:0010.0002: input,hidraw1: USB HID v1.00 Device [FOSTEX FOSTEX USB AUDIO HP-A8] on usb-0000:00:14.0-10/input9
>[    2.827550] r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded
>[    2.827569] r8169 0000:02:00.0: can't disable ASPM; OS doesn't have ASPM control
>[    2.829153] r8169 0000:02:00.0 eth0: RTL8168evl/8111evl at 0x000000000f14bce9, 94:de:80:6b:dd:24, XID 0c900800 IRQ 29
>[    2.829157] r8169 0000:02:00.0 eth0: jumbo features [frames: 9200 bytes, tx checksumming: ko]
>[    2.831940] r8169 0000:02:00.0 enp2s0: renamed from eth0
>[    2.889051] usb 1-9.1: new high-speed USB device number 5 using xhci_hcd
>[    2.977279] usb 1-9.1: New USB device found, idVendor=1a40, idProduct=0201
>[    2.977282] usb 1-9.1: New USB device strings: Mfr=0, Product=1, SerialNumber=0
>[    2.977284] usb 1-9.1: Product: USB 2.0 Hub [MTT]
>[    2.977841] hub 1-9.1:1.0: USB hub found
>[    2.977920] hub 1-9.1:1.0: 7 ports detected
>[    3.249041] usb 1-9.1.1: new full-speed USB device number 6 using xhci_hcd
>[    3.326635] usb 1-9.1.1: New USB device found, idVendor=046d, idProduct=08d9
>[    3.326638] usb 1-9.1.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
>[    3.391055] usb 1-9.1.2: new high-speed USB device number 7 using xhci_hcd
>[    3.467883] usb 1-9.1.2: New USB device found, idVendor=12d1, idProduct=1506
>[    3.467886] usb 1-9.1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
>[    3.467888] usb 1-9.1.2: Product: HUAWEI_MOBILE
>[    3.467889] usb 1-9.1.2: Manufacturer: HUAWEI_MOBILE
>[    3.580462] usb-storage 1-9.1.2:1.3: USB Mass Storage device detected
>[    3.580672] scsi host6: usb-storage 1-9.1.2:1.3
>[    3.580817] usb-storage 1-9.1.2:1.4: USB Mass Storage device detected
>[    3.580941] scsi host7: usb-storage 1-9.1.2:1.4
>[    3.581113] usbcore: registered new interface driver usb-storage
>[    3.584839] usbcore: registered new interface driver uas
>[    3.609529] [drm] amdgpu kernel modesetting enabled.
>[    3.611034] checking generic (e0000000 300000) vs hw (e0000000 10000000)
>[    3.611036] fb: switching to amdgpudrmfb from EFI VGA
>[    3.611130] Console: switching to colour dummy device 80x25
>[    3.613321] [drm] initializing kernel modesetting (VEGA10 0x1002:0x687F 0x1002:0x0B36 0xC3).
>[    3.613398] [drm] register mmio base: 0xF7C00000
>[    3.613399] [drm] register mmio size: 524288
>[    3.613571] [drm] probing gen 2 caps for device 1022:1471 = 700d03/e
>[    3.613573] [drm] probing mlw for device 1022:1471 = 700d03
>[    3.613579] [drm] UVD is enabled in VM mode
>[    3.613580] [drm] UVD ENC is enabled in VM mode
>[    3.613582] [drm] VCE enabled in VM mode
>[    3.613627] resource sanity check: requesting [mem 0x000c0000-0x000dffff], which spans more than PCI Bus 0000:00 [mem 0x000d0000-0x000d3fff window]
>[    3.613635] caller pci_map_rom+0x58/0xe0 mapping multiple BARs
>[    3.613637] amdgpu 0000:07:00.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0xffff
>[    3.613667] ATOM BIOS: 113-D0500300-102
>[    3.613735] [drm] vm size is 262144 GB, 4 levels, block size is 9-bit, fragment size is 9-bit
>[    3.613743] amdgpu 0000:07:00.0: VRAM: 8176M 0x000000F400000000 - 0x000000F5FEFFFFFF (8176M used)
>[    3.613745] amdgpu 0000:07:00.0: GTT: 256M 0x000000F600000000 - 0x000000F60FFFFFFF
>[    3.613749] [drm] Detected VRAM RAM=8176M, BAR=256M
>[    3.613751] [drm] RAM width 2048bits HBM
>[    3.614075] [TTM] Zone  kernel: Available graphics memory: 15879816 kiB
>[    3.614080] [TTM] Zone   dma32: Available graphics memory: 2097152 kiB
>[    3.614082] [TTM] Initializing pool allocator
>[    3.614097] [TTM] Initializing DMA pool allocator
>[    3.614361] [drm] amdgpu: 8176M of VRAM memory ready
>[    3.614366] [drm] amdgpu: 8176M of GTT memory ready.
>[    3.614407] [drm] GART: num cpu pages 65536, num gpu pages 65536
>[    3.614577] [drm] PCIE GART of 256M enabled (table at 0x000000F400800000).
>[    3.619050] usb 1-9.1.3: new low-speed USB device number 8 using xhci_hcd
>[    3.619206] [drm] use_doorbell being set to: [true]
>[    3.619322] [drm] use_doorbell being set to: [true]
>[    3.619576] [drm] Found UVD firmware Version: 1.68 Family ID: 17
>[    3.619593] [drm] PSP loading UVD firmware
>[    3.620697] [drm] Found VCE firmware Version: 53.40 Binary ID: 4
>[    3.620716] [drm] PSP loading VCE firmware
>[    3.842998] usb 1-9.1.3: New USB device found, idVendor=046d, idProduct=c326
>[    3.843021] usb 1-9.1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
>[    3.843025] usb 1-9.1.3: Product: USB Keyboard
>[    3.843029] usb 1-9.1.3: Manufacturer: Logitech
>[    3.849612] input: Logitech USB Keyboard as /devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9.1/1-9.1.3/1-9.1.3:1.0/0003:046D:C326.0003/input/input3
>[    3.901665] hid-generic 0003:046D:C326.0003: input,hidraw2: USB HID v1.10 Keyboard [Logitech USB Keyboard] on usb-0000:00:14.0-9.1.3/input0
>[    3.906130] input: Logitech USB Keyboard as /devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9.1/1-9.1.3/1-9.1.3:1.1/0003:046D:C326.0004/input/input4
>[    3.950133] [drm] Display Core initialized with v3.1.27!
>[    3.958294] hid-generic 0003:046D:C326.0004: input,hiddev97,hidraw3: USB HID v1.10 Device [Logitech USB Keyboard] on usb-0000:00:14.0-9.1.3/input1
>[    3.976608] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
>[    3.976609] [drm] Driver supports precise vblank timestamp query.
>[    3.999993] [drm] UVD and UVD ENC initialized successfully.
>[    4.022028] usb 1-9.1.4: new high-speed USB device number 9 using xhci_hcd
>[    4.098645] usb 1-9.1.4: New USB device found, idVendor=15a9, idProduct=002d
>[    4.098648] usb 1-9.1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=7
>[    4.098650] usb 1-9.1.4: Product: Modem YOTA 4G LTE
>[    4.098653] usb 1-9.1.4: Manufacturer: Yota Devices LTD
>[    4.098655] usb 1-9.1.4: SerialNumber: usb_serial_num_0
>[    4.100593] [drm] VCE initialized successfully.
>[    4.105226] [drm] fb mappable at 0xE0D00000
>[    4.105234] [drm] vram apper at 0xE0000000
>[    4.105235] [drm] size 8294400
>[    4.105236] [drm] fb depth is 24
>[    4.105237] [drm]    pitch is 7680
>[    4.105640] fbcon: amdgpudrmfb (fb0) is primary device
>[    4.135636] Console: switching to colour frame buffer device 240x67
>[    4.157973] amdgpu 0000:07:00.0: fb0: amdgpudrmfb frame buffer device
>[    4.165351] amdgpu 0000:07:00.0: ring 0(gfx) uses VM inv eng 4 on hub 0
>[    4.165354] amdgpu 0000:07:00.0: ring 1(comp_1.0.0) uses VM inv eng 5 on hub 0
>[    4.165356] amdgpu 0000:07:00.0: ring 2(comp_1.1.0) uses VM inv eng 6 on hub 0
>[    4.165359] amdgpu 0000:07:00.0: ring 3(comp_1.2.0) uses VM inv eng 7 on hub 0
>[    4.165361] amdgpu 0000:07:00.0: ring 4(comp_1.3.0) uses VM inv eng 8 on hub 0
>[    4.165363] amdgpu 0000:07:00.0: ring 5(comp_1.0.1) uses VM inv eng 9 on hub 0
>[    4.165365] amdgpu 0000:07:00.0: ring 6(comp_1.1.1) uses VM inv eng 10 on hub 0
>[    4.165367] amdgpu 0000:07:00.0: ring 7(comp_1.2.1) uses VM inv eng 11 on hub 0
>[    4.165370] amdgpu 0000:07:00.0: ring 8(comp_1.3.1) uses VM inv eng 12 on hub 0
>[    4.165372] amdgpu 0000:07:00.0: ring 9(kiq_2.1.0) uses VM inv eng 13 on hub 0
>[    4.165374] amdgpu 0000:07:00.0: ring 10(sdma0) uses VM inv eng 4 on hub 1
>[    4.165376] amdgpu 0000:07:00.0: ring 11(sdma1) uses VM inv eng 5 on hub 1
>[    4.165379] amdgpu 0000:07:00.0: ring 12(uvd) uses VM inv eng 6 on hub 1
>[    4.165381] amdgpu 0000:07:00.0: ring 13(uvd_enc0) uses VM inv eng 7 on hub 1
>[    4.165383] amdgpu 0000:07:00.0: ring 14(uvd_enc1) uses VM inv eng 8 on hub 1
>[    4.165385] amdgpu 0000:07:00.0: ring 15(vce0) uses VM inv eng 9 on hub 1
>[    4.165388] amdgpu 0000:07:00.0: ring 16(vce1) uses VM inv eng 10 on hub 1
>[    4.165390] amdgpu 0000:07:00.0: ring 17(vce2) uses VM inv eng 11 on hub 1
>[    4.165510] [drm] ECC is not present.
>[    4.167053] usb 1-9.1.6: new full-speed USB device number 10 using xhci_hcd
>[    4.169175] [drm] Initialized amdgpu 3.23.0 20150101 for 0000:07:00.0 on minor 0
>[    4.175454] setfont (432) used greatest stack depth: 12808 bytes left
>[    4.245873] usb 1-9.1.6: New USB device found, idVendor=046d, idProduct=c52b
>[    4.245876] usb 1-9.1.6: New USB device strings: Mfr=1, Product=2, SerialNumber=0
>[    4.245878] usb 1-9.1.6: Product: USB Receiver
>[    4.245879] usb 1-9.1.6: Manufacturer: Logitech
>[    4.257240] logitech-djreceiver 0003:046D:C52B.0007: hiddev98,hidraw4: USB HID v1.11 Device [Logitech USB Receiver] on usb-0000:00:14.0-9.1.6/input2
>[    4.315046] usb 1-9.1.7: new full-speed USB device number 11 using xhci_hcd
>[    4.364282] input: Logitech Unifying Device. Wireless PID:4026 as /devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9.1/1-9.1.6/1-9.1.6:1.2/0003:046D:C52B.0007/0003:046D:4026.0008/input/input5
>[    4.366532] hid-generic 0003:046D:4026.0008: input,hidraw5: USB HID v1.11 Keyboard [Logitech Unifying Device. Wireless PID:4026] on usb-0000:00:14.0-9.1.6:1
>[    4.408888] usb 1-9.1.7: New USB device found, idVendor=0a12, idProduct=0001
>[    4.408892] usb 1-9.1.7: New USB device strings: Mfr=0, Product=2, SerialNumber=0
>[    4.408895] usb 1-9.1.7: Product: CSR8510 A10
>[    4.424817] input: Logitech T400 as /devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9.1/1-9.1.6/1-9.1.6:1.2/0003:046D:C52B.0007/0003:046D:4026.0008/input/input6
>[    4.425664] logitech-hidpp-device 0003:046D:4026.0008: input,hidraw5: USB HID v1.11 Keyboard [Logitech T400] on usb-0000:00:14.0-9.1.6:1
>[    4.438223] systemd-udevd (372) used greatest stack depth: 12424 bytes left
>[    4.440353] systemd-udevd (379) used greatest stack depth: 11592 bytes left
>[    4.650527] scsi 7:0:0:0: Direct-Access     HUAWEI   TF CARD Storage  2.31 PQ: 0 ANSI: 2
>[    4.650882] scsi 6:0:0:0: CD-ROM            HUAWEI   Mass Storage     2.31 PQ: 0 ANSI: 2
>[    4.651891] sd 7:0:0:0: Attached scsi generic sg3 type 0
>[    4.652030] sd 7:0:0:0: Power-on or device reset occurred
>[    4.653143] sr 6:0:0:0: Power-on or device reset occurred
>[    4.653160] sd 7:0:0:0: [sdd] Attached SCSI removable disk
>[    4.653883] sr 6:0:0:0: [sr0] scsi-1 drive
>[    4.653897] cdrom: Uniform CD-ROM driver Revision: 3.20
>[    4.654623] sr 6:0:0:0: Attached scsi CD-ROM sr0
>[    4.654807] sr 6:0:0:0: Attached scsi generic sg4 type 5
>[    5.821408] kauditd_printk_skb: 4 callbacks suppressed
>[    5.821410] audit: type=1130 audit(1522336113.484:15): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=kernel msg='unit=systemd-fsck-root comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
>[    5.833391] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null)
>[    5.944959] audit: type=1130 audit(1522336113.607:16): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=kernel msg='unit=initrd-parse-etc comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
>[    5.944967] audit: type=1131 audit(1522336113.607:17): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=kernel msg='unit=initrd-parse-etc comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
>[    6.102250] audit: type=1130 audit(1522336113.765:18): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=kernel msg='unit=dracut-pre-pivot comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
>[    6.118769] audit: type=1131 audit(1522336113.781:19): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=kernel msg='unit=dracut-pre-pivot comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
>[    6.120305] audit: type=1130 audit(1522336113.783:20): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=kernel msg='unit=systemd-tmpfiles-setup comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
>[    6.120330] audit: type=1131 audit(1522336113.783:21): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=kernel msg='unit=systemd-tmpfiles-setup comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
>[    6.121482] audit: type=1130 audit(1522336113.784:22): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=kernel msg='unit=dracut-initqueue comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
>[    6.121512] audit: type=1131 audit(1522336113.784:23): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=kernel msg='unit=dracut-initqueue comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
>[    6.123108] audit: type=1130 audit(1522336113.786:24): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=kernel msg='unit=systemd-udev-trigger comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
>[    6.238192] systemd-journald[243]: Received SIGTERM from PID 1 (systemd).
>[    6.345750] systemd: 17 output lines suppressed due to ratelimiting
>[    6.459168] SELinux: 32768 avtab hash slots, 108866 rules.
>[    6.491654] SELinux: 32768 avtab hash slots, 108866 rules.
>[    6.567191] SELinux:  8 users, 14 roles, 5092 types, 316 bools, 1 sens, 1024 cats
>[    6.567195] SELinux:  97 classes, 108866 rules
>[    6.576691] SELinux:  Permission getrlimit in class process not defined in policy.
>[    6.576768] SELinux:  Class sctp_socket not defined in policy.
>[    6.576770] SELinux:  Class icmp_socket not defined in policy.
>[    6.576771] SELinux:  Class ax25_socket not defined in policy.
>[    6.576772] SELinux:  Class ipx_socket not defined in policy.
>[    6.576773] SELinux:  Class netrom_socket not defined in policy.
>[    6.576774] SELinux:  Class atmpvc_socket not defined in policy.
>[    6.576775] SELinux:  Class x25_socket not defined in policy.
>[    6.576776] SELinux:  Class rose_socket not defined in policy.
>[    6.576778] SELinux:  Class decnet_socket not defined in policy.
>[    6.576779] SELinux:  Class atmsvc_socket not defined in policy.
>[    6.576780] SELinux:  Class rds_socket not defined in policy.
>[    6.576781] SELinux:  Class irda_socket not defined in policy.
>[    6.576782] SELinux:  Class pppox_socket not defined in policy.
>[    6.576783] SELinux:  Class llc_socket not defined in policy.
>[    6.576784] SELinux:  Class can_socket not defined in policy.
>[    6.576785] SELinux:  Class tipc_socket not defined in policy.
>[    6.576787] SELinux:  Class bluetooth_socket not defined in policy.
>[    6.576788] SELinux:  Class iucv_socket not defined in policy.
>[    6.576789] SELinux:  Class rxrpc_socket not defined in policy.
>[    6.576790] SELinux:  Class isdn_socket not defined in policy.
>[    6.576791] SELinux:  Class phonet_socket not defined in policy.
>[    6.576792] SELinux:  Class ieee802154_socket not defined in policy.
>[    6.576793] SELinux:  Class caif_socket not defined in policy.
>[    6.576795] SELinux:  Class alg_socket not defined in policy.
>[    6.576796] SELinux:  Class nfc_socket not defined in policy.
>[    6.576797] SELinux:  Class vsock_socket not defined in policy.
>[    6.576798] SELinux:  Class kcm_socket not defined in policy.
>[    6.576799] SELinux:  Class qipcrtr_socket not defined in policy.
>[    6.576800] SELinux:  Class smc_socket not defined in policy.
>[    6.576802] SELinux:  Class bpf not defined in policy.
>[    6.576803] SELinux: the above unknown classes and permissions will be allowed
>[    6.576809] SELinux:  policy capability network_peer_controls=1
>[    6.576810] SELinux:  policy capability open_perms=1
>[    6.576811] SELinux:  policy capability extended_socket_class=0
>[    6.576812] SELinux:  policy capability always_check_network=0
>[    6.576813] SELinux:  policy capability cgroup_seclabel=1
>[    6.576815] SELinux:  policy capability nnp_nosuid_transition=1
>[    6.576816] SELinux:  Completing initialization.
>[    6.576817] SELinux:  Setting up existing superblocks.
>[    6.634987] systemd[1]: Successfully loaded SELinux policy in 206.838ms.
>[    6.672896] systemd[1]: Relabelled /dev and /run in 25.233ms.
>[    6.931459] EXT4-fs (sda1): re-mounted. Opts: (null)
>[    6.994001] systemd-journald[537]: Received request to flush runtime journal from PID 1
>[    7.145886] random: crng init done
>[    7.367029] parport_pc 00:06: reported by Plug and Play ACPI
>[    7.367270] parport0: PC-style at 0x378 (0x778), irq 5 [PCSPP,TRISTATE,EPP]
>[    7.415548] shpchp: Standard Hot Plug PCI Controller Driver version: 0.4
>[    7.447287] i801_smbus 0000:00:1f.3: enabling device (0001 -> 0003)
>[    7.447742] i801_smbus 0000:00:1f.3: SPD Write Disable is set
>[    7.447789] i801_smbus 0000:00:1f.3: SMBus using PCI interrupt
>[    7.460620] ACPI Warning: SystemIO range 0x0000000000001828-0x000000000000182F conflicts with OpRegion 0x0000000000001800-0x000000000000187F (\PMIO) (20180105/utaddress-247)
>[    7.460631] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver
>[    7.460636] ACPI Warning: SystemIO range 0x0000000000001C40-0x0000000000001C4F conflicts with OpRegion 0x0000000000001C00-0x0000000000001FFF (\GPR) (20180105/utaddress-247)
>[    7.460644] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver
>[    7.460647] ACPI Warning: SystemIO range 0x0000000000001C30-0x0000000000001C3F conflicts with OpRegion 0x0000000000001C00-0x0000000000001C3F (\GPRL) (20180105/utaddress-247)
>[    7.460655] ACPI Warning: SystemIO range 0x0000000000001C30-0x0000000000001C3F conflicts with OpRegion 0x0000000000001C00-0x0000000000001FFF (\GPR) (20180105/utaddress-247)
>[    7.460663] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver
>[    7.460665] ACPI Warning: SystemIO range 0x0000000000001C00-0x0000000000001C2F conflicts with OpRegion 0x0000000000001C00-0x0000000000001C3F (\GPRL) (20180105/utaddress-247)
>[    7.460674] ACPI Warning: SystemIO range 0x0000000000001C00-0x0000000000001C2F conflicts with OpRegion 0x0000000000001C00-0x0000000000001FFF (\GPR) (20180105/utaddress-247)
>[    7.460681] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver
>[    7.460684] lpc_ich: Resource conflict(s) found affecting gpio_ich
>[    7.531018] media: Linux media interface: v0.10
>[    7.556852] cdc_ether 1-9.1.4:1.0 usb0: register 'cdc_ether' at usb-0000:00:14.0-9.1.4, CDC Ethernet Device, 1e:49:7b:ae:82:fe
>[    7.556947] usbcore: registered new interface driver cdc_ether
>[    7.568168] usbcore: registered new interface driver cdc_ncm
>[    7.581894] usbcore: registered new interface driver cdc_wdm
>[    7.586346] usbcore: registered new interface driver option
>[    7.586525] usbserial: USB Serial support registered for GSM modem (1-port)
>[    7.586651] option 1-9.1.2:1.0: GSM modem (1-port) converter detected
>[    7.587405] usb 1-9.1.2: GSM modem (1-port) converter now attached to ttyUSB0
>[    7.587656] option 1-9.1.2:1.1: GSM modem (1-port) converter detected
>[    7.587877] usb 1-9.1.2: GSM modem (1-port) converter now attached to ttyUSB1
>[    7.612851] Linux video capture interface: v2.00
>[    7.634510] Bluetooth: Core ver 2.22
>[    7.634580] NET: Registered protocol family 31
>[    7.634583] Bluetooth: HCI device and connection manager initialized
>[    7.634642] Bluetooth: HCI socket layer initialized
>[    7.634647] Bluetooth: L2CAP socket layer initialized
>[    7.634718] Bluetooth: SCO socket layer initialized
>[    7.643936] Adding 62494716k swap on /dev/sda2.  Priority:-2 extents:1 across:62494716k SSFS
>[    7.659366] gspca_main: v2.14.0 registered
>[    7.672790] gspca_main: gspca_zc3xx-2.14.0 probing 046d:08d9
>[    7.676066] input: PC Speaker as /devices/platform/pcspkr/input/input7
>[    7.697301] huawei_cdc_ncm 1-9.1.2:1.2: MAC-Address: 00:1e:10:1f:00:00
>[    7.697306] huawei_cdc_ncm 1-9.1.2:1.2: setting rx_max = 16384
>[    7.704470] huawei_cdc_ncm 1-9.1.2:1.2: NDP will be placed at end of frame for this device.
>[    7.704805] huawei_cdc_ncm 1-9.1.2:1.2: cdc-wdm0: USB WDM device
>[    7.705258] huawei_cdc_ncm 1-9.1.2:1.2 wwan0: register 'huawei_cdc_ncm' at usb-0000:00:14.0-9.1.2, Huawei CDC NCM device, 00:1e:10:1f:00:00
>[    7.705359] usbcore: registered new interface driver huawei_cdc_ncm
>[    7.755310] usbcore: registered new interface driver btusb
>[    7.796512] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer
>[    7.796516] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules
>[    7.796518] RAPL PMU: hw unit of domain package 2^-14 Joules
>[    7.796519] RAPL PMU: hw unit of domain dram 2^-14 Joules
>[    7.796521] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules
>[    7.801551] sr 6:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
>[    7.801556] sr 6:0:0:0: [sr0] tag#0 Sense Key : Medium Error [current] 
>[    7.801560] sr 6:0:0:0: [sr0] tag#0 Add. Sense: Unrecovered read error
>[    7.801564] sr 6:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 8d fc 00 00 02 00
>[    7.801592] print_req_error: critical medium error, dev sr0, sector 145392
>[    7.802940] attempt to access beyond end of device
>[    7.802944] sr0: rw=0, want=145400, limit=145392
>[    7.802977] Buffer I/O error on dev sr0, logical block 18174, async page read
>[    7.806064] snd_hda_intel 0000:00:1b.0: enabling device (0000 -> 0002)
>[    7.807729] snd_hda_intel 0000:07:00.1: Handle vga_switcheroo audio client
>[    7.855305] sr 6:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
>[    7.855311] sr 6:0:0:0: [sr0] tag#0 Sense Key : Medium Error [current] 
>[    7.855314] sr 6:0:0:0: [sr0] tag#0 Add. Sense: Unrecovered read error
>[    7.855318] sr 6:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 8c 80 00 00 3c 00
>[    7.855321] print_req_error: critical medium error, dev sr0, sector 143872
>[    7.865352] snd_hda_codec_realtek hdaudioC1D2: autoconfig for ALC892: line_outs=4 (0x14/0x15/0x16/0x17/0x0) type:line
>[    7.865357] snd_hda_codec_realtek hdaudioC1D2:    speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
>[    7.865360] snd_hda_codec_realtek hdaudioC1D2:    hp_outs=1 (0x1b/0x0/0x0/0x0/0x0)
>[    7.865363] snd_hda_codec_realtek hdaudioC1D2:    mono: mono_out=0x0
>[    7.865366] snd_hda_codec_realtek hdaudioC1D2:    dig-out=0x11/0x0
>[    7.865368] snd_hda_codec_realtek hdaudioC1D2:    inputs:
>[    7.865373] snd_hda_codec_realtek hdaudioC1D2:      Front Mic=0x19
>[    7.865378] snd_hda_codec_realtek hdaudioC1D2:      Rear Mic=0x18
>[    7.865381] snd_hda_codec_realtek hdaudioC1D2:      Line=0x1a
>[    7.865599] sr 6:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
>[    7.865604] sr 6:0:0:0: [sr0] tag#0 Sense Key : Medium Error [current] 
>[    7.865608] sr 6:0:0:0: [sr0] tag#0 Add. Sense: Unrecovered read error
>[    7.865612] sr 6:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 8c 80 00 00 02 00
>[    7.865615] print_req_error: critical medium error, dev sr0, sector 143872
>[    7.865623] Buffer I/O error on dev sr0, logical block 17984, async page read
>[    7.875695] sr 6:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
>[    7.875701] sr 6:0:0:0: [sr0] tag#0 Sense Key : Medium Error [current] 
>[    7.875706] sr 6:0:0:0: [sr0] tag#0 Add. Sense: Unrecovered read error
>[    7.875709] sr 6:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 8d fa 00 00 02 00
>[    7.875713] print_req_error: critical medium error, dev sr0, sector 145384
>[    7.875737] attempt to access beyond end of device
>[    7.875742] sr0: rw=0, want=145392, limit=145384
>[    7.875746] Buffer I/O error on dev sr0, logical block 18173, async page read
>[    7.876673] input: HD-Audio Generic HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:1c.4/0000:05:00.0/0000:06:00.0/0000:07:00.1/sound/card2/input8
>[    7.877476] input: HD-Audio Generic HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:1c.4/0000:05:00.0/0000:06:00.0/0000:07:00.1/sound/card2/input9
>[    7.877803] input: HD-Audio Generic HDMI/DP,pcm=8 as /devices/pci0000:00/0000:00:1c.4/0000:05:00.0/0000:06:00.0/0000:07:00.1/sound/card2/input10
>[    7.878108] input: HD-Audio Generic HDMI/DP,pcm=9 as /devices/pci0000:00/0000:00:1c.4/0000:05:00.0/0000:06:00.0/0000:07:00.1/sound/card2/input11
>[    7.878418] input: HD-Audio Generic HDMI/DP,pcm=10 as /devices/pci0000:00/0000:00:1c.4/0000:05:00.0/0000:06:00.0/0000:07:00.1/sound/card2/input12
>[    7.878707] input: HD-Audio Generic HDMI/DP,pcm=11 as /devices/pci0000:00/0000:00:1c.4/0000:05:00.0/0000:06:00.0/0000:07:00.1/sound/card2/input13
>[    7.889909] input: HDA Intel PCH Front Mic as /devices/pci0000:00/0000:00:1b.0/sound/card1/input14
>[    7.890358] input: HDA Intel PCH Rear Mic as /devices/pci0000:00/0000:00:1b.0/sound/card1/input15
>[    7.890694] input: HDA Intel PCH Line as /devices/pci0000:00/0000:00:1b.0/sound/card1/input16
>[    7.891958] input: HDA Intel PCH Line Out Front as /devices/pci0000:00/0000:00:1b.0/sound/card1/input17
>[    7.892358] input: HDA Intel PCH Line Out Surround as /devices/pci0000:00/0000:00:1b.0/sound/card1/input18
>[    7.892762] input: HDA Intel PCH Line Out CLFE as /devices/pci0000:00/0000:00:1b.0/sound/card1/input19
>[    7.893091] input: HDA Intel PCH Line Out Side as /devices/pci0000:00/0000:00:1b.0/sound/card1/input20
>[    7.893414] input: HDA Intel PCH Front Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card1/input21
>[    7.913558] ppdev: user-space parallel port driver
>[    7.916293] iTCO_vendor_support: vendor-support=0
>[    7.924803] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.11
>[    7.924871] iTCO_wdt: unable to reset NO_REBOOT flag, device disabled by hardware/BIOS
>[    7.948579] cdc_ether 1-9.1.4:1.0 enp0s20u9u1u4: renamed from usb0
>[    8.094661] huawei_cdc_ncm 1-9.1.2:1.2 wwp0s20u9u1u2i2: renamed from wwan0
>[    8.212824] intel_rapl: Found RAPL domain package
>[    8.212843] intel_rapl: Found RAPL domain core
>[    8.212846] intel_rapl: Found RAPL domain dram
>[    8.694839] input: gspca_zc3xx as /devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9.1/1-9.1.1/input/input22
>[    8.700332] usbcore: registered new interface driver snd-usb-audio
>[    8.700339] usbcore: registered new interface driver gspca_zc3xx
>[   10.191325] SGI XFS with ACLs, security attributes, no debug enabled
>[   10.197824] XFS (sdc): Mounting V5 Filesystem
>[   10.310374] XFS (sdc): Ending clean mount
>[   10.680997] RPC: Registered named UNIX socket transport module.
>[   10.681024] RPC: Registered udp transport module.
>[   10.681025] RPC: Registered tcp transport module.
>[   10.681026] RPC: Registered tcp NFSv4.1 backchannel transport module.
>[   10.820801] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
>[   10.820805] Bluetooth: BNEP filters: protocol multicast
>[   10.820814] Bluetooth: BNEP socket layer initialized
>[   10.952058] ata3.00: NCQ Send/Recv Log not supported
>[   10.953471] ata3.00: NCQ Send/Recv Log not supported
>[   10.953476] ata3.00: configured for UDMA/133
>[   10.953499] ata3: EH complete
>[   11.533197] IPv6: ADDRCONF(NETDEV_UP): enp0s20u9u1u4: link is not ready
>[   11.539714] IPv6: ADDRCONF(NETDEV_UP): enp2s0: link is not ready
>[   11.662170] r8169 0000:02:00.0 enp2s0: link down
>[   11.662408] IPv6: ADDRCONF(NETDEV_UP): enp2s0: link is not ready
>[   11.663636] r8169 0000:02:00.0 enp2s0: link down
>[   11.907921] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
>[   13.997948] r8169 0000:02:00.0 enp2s0: link up
>[   13.997967] IPv6: ADDRCONF(NETDEV_CHANGE): enp2s0: link becomes ready
>[   14.461348] TCP: request_sock_TCP: Possible SYN flooding on port 8201. Sending cookies.  Check SNMP counters.
>[   14.464185] TCP: request_sock_TCP: Possible SYN flooding on port 9208. Sending cookies.  Check SNMP counters.
>[   22.905218] fuse init (API version 7.26)
>[   25.503768] Bluetooth: RFCOMM TTY layer initialized
>[   25.503783] Bluetooth: RFCOMM socket layer initialized
>[   25.503841] Bluetooth: RFCOMM ver 1.11
>[   25.654639] logitech-hidpp-device 0003:046D:4026.0008: HID++ 2.0 device connected.
>[   28.202467] rfkill: input handler disabled
>[   29.301103] ISO 9660 Extensions: Microsoft Joliet Level 1
>[   29.311471] ISO 9660 Extensions: IEEE_P1282
>[   31.042055] pool (2559) used greatest stack depth: 11080 bytes left
>[   31.391139] TCP: request_sock_TCP: Possible SYN flooding on port 8205. Sending cookies.  Check SNMP counters.
>[   31.392306] TCP: request_sock_TCP: Possible SYN flooding on port 9212. Sending cookies.  Check SNMP counters.
>[   34.126528] TCP: request_sock_TCP: Possible SYN flooding on port 7175. Sending cookies.  Check SNMP counters.
>[   64.498788] show_signal_msg: 58 callbacks suppressed
>[   64.498790] vulkandriverque[3772]: segfault at 0 ip 0000000000000000 sp 00007ffc156978e8 error 14 in vulkandriverquery[55d80b598000+246000]
>[  138.565106] device enp2s0 entered promiscuous mode
>[  791.526326] kworker/dying (145) used greatest stack depth: 10472 bytes left
>[  905.305041] WinMain[9153]: segfault at 0 ip 0000000000000000 sp 00007fdde25aeb98 error 14 in F12017[400000+336c000]
>[  927.918224] abrt-action-ana[9228]: segfault at 20 ip 000056504336e603 sp 00007ffd6d4d43c0 error 4 in abrt-action-analyze-c[56504336d000+2000]
>[ 3765.023662] nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based  firewall rule not found. Use the iptables CT target to attach helpers instead.
>[ 3851.006420] perf: interrupt took too long (2531 > 2500), lowering kernel.perf_event_max_sample_rate to 79000
>[ 3868.252980] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 3872.103770] Bluetooth: HIDP (Human Interface Emulation) ver 1.2
>[ 3872.103780] Bluetooth: HIDP socket layer initialized
>
>[ 3878.237243] ============================================
>[ 3878.237245] WARNING: possible recursive locking detected
>[ 3878.237247] 4.16.0-rc7 #1 Not tainted
>[ 3878.237248] --------------------------------------------
>[ 3878.237250] kworker/u17:1/654 is trying to acquire lock:
>[ 3878.237251]  (sk_lock-AF_BLUETOOTH-BTPROTO_L2CAP){+.+.}, at: [<0000000010b8e917>] bt_accept_enqueue+0x3c/0xb0 [bluetooth]
>[ 3878.237271] 
>               but task is already holding lock:
>[ 3878.237272]  (sk_lock-AF_BLUETOOTH-BTPROTO_L2CAP){+.+.}, at: [<00000000cda391be>] l2cap_sock_new_connection_cb+0x18/0xa0 [bluetooth]
>[ 3878.237288] 
>               other info that might help us debug this:
>[ 3878.237289]  Possible unsafe locking scenario:
>
>[ 3878.237291]        CPU0
>[ 3878.237292]        ----
>[ 3878.237293]   lock(sk_lock-AF_BLUETOOTH-BTPROTO_L2CAP);
>[ 3878.237295]   lock(sk_lock-AF_BLUETOOTH-BTPROTO_L2CAP);
>[ 3878.237297] 
>                *** DEADLOCK ***
>
>[ 3878.237299]  May be due to missing lock nesting notation
>
>[ 3878.237301] 5 locks held by kworker/u17:1/654:
>[ 3878.237303]  #0:  ((wq_completion)"%s"hdev->name#2){+.+.}, at: [<00000000ff0a9cc9>] process_one_work+0x1da/0x6b0
>[ 3878.237308]  #1:  ((work_completion)(&hdev->rx_work)){+.+.}, at: [<00000000ff0a9cc9>] process_one_work+0x1da/0x6b0
>[ 3878.237312]  #2:  (&conn->chan_lock){+.+.}, at: [<00000000b41e2708>] l2cap_connect+0x88/0x540 [bluetooth]
>[ 3878.237326]  #3:  (&chan->lock#2/2){+.+.}, at: [<00000000fce56415>] l2cap_connect+0xa0/0x540 [bluetooth]
>[ 3878.237341]  #4:  (sk_lock-AF_BLUETOOTH-BTPROTO_L2CAP){+.+.}, at: [<00000000cda391be>] l2cap_sock_new_connection_cb+0x18/0xa0 [bluetooth]
>[ 3878.237354] 
>               stack backtrace:
>[ 3878.237357] CPU: 4 PID: 654 Comm: kworker/u17:1 Not tainted 4.16.0-rc7 #1
>[ 3878.237358] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[ 3878.237368] Workqueue: hci0 hci_rx_work [bluetooth]
>[ 3878.237370] Call Trace:
>[ 3878.237376]  dump_stack+0x85/0xbf
>[ 3878.237380]  __lock_acquire+0x694/0x1340
>[ 3878.237389]  ? bt_accept_enqueue+0x3c/0xb0 [bluetooth]
>[ 3878.237394]  ? lock_acquire+0x9f/0x200
>[ 3878.237397]  lock_acquire+0x9f/0x200
>[ 3878.237406]  ? bt_accept_enqueue+0x3c/0xb0 [bluetooth]
>[ 3878.237410]  lock_sock_nested+0x72/0xa0
>[ 3878.237419]  ? bt_accept_enqueue+0x3c/0xb0 [bluetooth]
>[ 3878.237427]  bt_accept_enqueue+0x3c/0xb0 [bluetooth]
>[ 3878.237439]  l2cap_sock_new_connection_cb+0x5d/0xa0 [bluetooth]
>[ 3878.237459]  l2cap_connect+0x126/0x540 [bluetooth]
>[ 3878.237471]  ? l2cap_recv_frame+0x86b/0x2940 [bluetooth]
>[ 3878.237475]  ? __mutex_unlock_slowpath+0x4b/0x2b0
>[ 3878.237485]  l2cap_recv_frame+0x883/0x2940 [bluetooth]
>[ 3878.237489]  ? __mutex_unlock_slowpath+0x4b/0x2b0
>[ 3878.237499]  hci_rx_work+0x1cc/0x5d0 [bluetooth]
>[ 3878.237503]  process_one_work+0x266/0x6b0
>[ 3878.237507]  worker_thread+0x3a/0x390
>[ 3878.237510]  ? process_one_work+0x6b0/0x6b0
>[ 3878.237513]  kthread+0x121/0x140
>[ 3878.237516]  ? kthread_create_worker_on_cpu+0x70/0x70
>[ 3878.237519]  ret_from_fork+0x3a/0x50
>[ 3878.375526] sony 0005:054C:09CC.0009: unknown main item tag 0x0
>[ 3878.389388] input: Wireless Controller Touchpad as /devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9.1/1-9.1.7/1-9.1.7:1.0/bluetooth/hci0/hci0:68/0005:054C:09CC.0009/input/input24
>[ 3878.389865] input: Wireless Controller Motion Sensors as /devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9.1/1-9.1.7/1-9.1.7:1.0/bluetooth/hci0/hci0:68/0005:054C:09CC.0009/input/input25
>[ 3878.390211] input: Wireless Controller as /devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9.1/1-9.1.7/1-9.1.7:1.0/bluetooth/hci0/hci0:68/0005:054C:09CC.0009/input/input23
>[ 3878.390714] sony 0005:054C:09CC.0009: input,hidraw6: BLUETOOTH HID v81.00 Gamepad [Wireless Controller] on 00:1a:7d:da:71:0a
>[ 3884.045970] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 3900.046984] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 3916.045076] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 3927.433962] Watchdog[12745]: segfault at 0 ip 00000000f4f1dce7 sp 00000000adc9ba10 error 6 in libcef.so[f1c3c000+419c000]
>[ 3932.046999] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 3948.046034] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 3964.046030] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 3980.046055] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 3996.050076] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4012.048098] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4028.048113] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4044.049132] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4060.049151] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4076.049162] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4092.050180] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4108.049199] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4124.049212] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4140.050229] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4156.048257] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4172.049273] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4188.048286] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4204.049301] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4220.049346] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4236.049349] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4252.049363] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4268.050374] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4284.049398] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4300.050507] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4316.050434] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4332.052446] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4348.049489] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4364.049490] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4380.050508] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4395.604698] perf: interrupt took too long (3168 > 3163), lowering kernel.perf_event_max_sample_rate to 63000
>[ 4396.050521] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4412.050540] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4428.049552] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4444.049582] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4460.049602] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4476.049620] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4492.050630] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4508.052642] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4524.051677] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4540.050685] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4556.051716] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4572.051718] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4588.051739] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4604.049987] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4620.049773] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4636.049788] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4652.051808] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4668.051829] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4684.052858] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4700.050867] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4716.050875] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4732.049900] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4748.053917] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4764.052932] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4780.053959] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4796.053978] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4812.051983] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4828.052019] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4844.053022] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4860.053038] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4876.053057] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4892.053074] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4908.053105] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4924.053109] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4940.052155] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4956.054176] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4972.053170] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 4988.053181] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5004.054318] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5020.054234] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5036.054257] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5052.053262] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5068.055441] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5084.053451] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5100.055309] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5116.056347] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5132.054376] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5148.054381] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5164.055376] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5180.052393] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5196.052411] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5212.054443] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5228.054459] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5244.054472] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5260.055490] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5276.056530] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5292.054530] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5308.052541] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5324.056561] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5340.058590] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5356.053603] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5372.054618] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5388.057631] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5404.053646] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5420.054700] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5436.055680] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5452.055727] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5468.054810] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5484.055739] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5500.052926] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5516.056816] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5532.055974] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5548.056863] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5564.056175] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5580.056858] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5596.056861] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5612.055906] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5628.055906] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5641.821731] perf: interrupt took too long (4047 > 3960), lowering kernel.perf_event_max_sample_rate to 49000
>[ 5644.055917] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5660.056940] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5676.056965] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5692.056976] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5708.056041] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5724.056000] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5740.058036] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5756.055049] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5772.055099] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5788.058085] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5804.056096] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5820.057116] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5836.058130] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5852.056151] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5868.058178] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5884.060199] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5900.058219] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5916.057230] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5932.058241] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5948.058263] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5964.057277] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5980.057315] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 5996.052315] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6012.059332] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6028.058347] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6044.056401] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6060.059383] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6076.057513] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6092.058419] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6108.059437] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6124.058461] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6140.058490] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6156.058492] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6172.059529] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6188.059530] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6204.058549] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6220.058573] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6236.059580] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6252.058606] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6268.057630] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6284.059636] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6300.058646] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6316.058674] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6332.058706] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6348.057704] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6364.058732] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6380.059745] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6396.058762] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6412.059776] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6428.059861] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6444.060810] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6460.058833] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6476.057889] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6492.058870] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6508.060901] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6524.058905] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6540.057115] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6556.059957] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6572.059957] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6588.059992] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6604.059001] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6620.059058] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6636.059027] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6652.060047] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6668.056071] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6684.060086] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6700.059113] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6716.060130] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6732.060139] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6748.060181] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6764.059170] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6780.059187] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6796.059204] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6812.061237] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6828.060248] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6844.060262] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6860.058406] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6876.060297] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6892.060320] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6908.060331] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6924.061356] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6940.061371] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6956.062405] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6972.057413] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 6988.060429] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7004.060447] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7020.060474] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7036.060478] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7052.059500] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7068.061527] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7084.059565] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7100.060551] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7116.060584] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7132.062591] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7148.060604] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7164.062624] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7180.062643] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7196.061661] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7212.061683] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7228.059694] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7244.061728] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7260.062734] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7276.063758] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7292.061788] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7308.062801] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7324.061814] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7340.061838] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7356.058872] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7372.060866] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7388.062935] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7404.062913] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7420.063933] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7436.064958] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7452.061961] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7468.066987] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7484.063027] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7500.065010] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7516.063041] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7532.063037] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7548.062052] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7564.065095] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7580.064095] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7596.064104] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7612.063162] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7628.063144] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7644.063178] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7660.065213] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7676.063190] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7692.065236] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7708.065266] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7724.064293] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7740.064293] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7756.066297] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7772.066312] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7788.065345] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7804.064349] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7820.064364] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7836.064381] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7852.064388] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7868.065420] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7884.062438] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7900.065465] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7916.064475] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7932.064481] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7948.065509] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7964.066528] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7980.067546] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 7996.066580] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8012.067581] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8028.066603] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8044.065624] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8060.065635] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8076.064638] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8092.064665] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8108.066682] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8124.069716] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8140.065732] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8156.064743] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8172.067765] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8188.064774] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8204.064797] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8220.066814] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8236.066824] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8252.066865] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8268.061867] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8284.066895] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8300.066897] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8316.065965] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8332.066013] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8348.066967] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8364.066977] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8380.066025] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8396.066028] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8412.066032] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8428.067042] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8444.066066] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8460.066092] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8476.067100] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8492.066148] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8508.068153] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8524.065162] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8540.068172] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8556.064207] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8572.067207] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8588.068269] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8597.139692] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[ 8597.139697] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[ 8597.139701] CPU: 6 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[ 8597.139703] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[ 8597.139705] Call Trace:
>[ 8597.139713]  dump_stack+0x85/0xbf
>[ 8597.139718]  swiotlb_alloc_coherent+0x1be/0x1d0
>[ 8597.139727]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[ 8597.139738]  ttm_dma_populate+0x25e/0x350 [ttm]
>[ 8597.139747]  ttm_tt_bind+0x2c/0x60 [ttm]
>[ 8597.139753]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[ 8597.139762]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[ 8597.139767]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[ 8597.139774]  ? mutex_trylock+0xcd/0xe0
>[ 8597.139779]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[ 8597.139785]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[ 8597.139833]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[ 8597.139865]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[ 8597.139899]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[ 8597.139932]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[ 8597.139962]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8597.139988]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[ 8597.139996]  ? __might_fault+0x3e/0x90
>[ 8597.140022]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8597.140040]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[ 8597.140052]  drm_ioctl+0x2d5/0x370 [drm]
>[ 8597.140079]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8597.140109]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[ 8597.140117]  do_vfs_ioctl+0xa5/0x6e0
>[ 8597.140125]  SyS_ioctl+0x74/0x80
>[ 8597.140131]  do_syscall_64+0x79/0x220
>[ 8597.140137]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[ 8597.140141] RIP: 0033:0x7f07d78580f7
>[ 8597.140144] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[ 8597.140148] RAX: ffffffffffffffda RBX: 0000000003287310 RCX: 00007f07d78580f7
>[ 8597.140150] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[ 8597.140153] RBP: 00007ffc892203c0 R08: 0000000003287310 R09: 0000000000000004
>[ 8597.140156] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[ 8597.140159] R13: 000000000000000b R14: 00007ffc89220458 R15: 0000000003168fb0
>[ 8603.784553] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[ 8603.784559] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[ 8603.784563] CPU: 1 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[ 8603.784566] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[ 8603.784568] Call Trace:
>[ 8603.784577]  dump_stack+0x85/0xbf
>[ 8603.784583]  swiotlb_alloc_coherent+0x1be/0x1d0
>[ 8603.784592]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[ 8603.784602]  ttm_dma_populate+0x25e/0x350 [ttm]
>[ 8603.784609]  ttm_tt_bind+0x2c/0x60 [ttm]
>[ 8603.784615]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[ 8603.784624]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[ 8603.784629]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[ 8603.784636]  ? mutex_trylock+0xcd/0xe0
>[ 8603.784641]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[ 8603.784646]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[ 8603.784684]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[ 8603.784716]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[ 8603.784747]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[ 8603.784777]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[ 8603.784808]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8603.784834]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[ 8603.784841]  ? __might_fault+0x3e/0x90
>[ 8603.784869]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8603.784883]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[ 8603.784895]  drm_ioctl+0x2d5/0x370 [drm]
>[ 8603.784922]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8603.784951]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[ 8603.784985]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[ 8603.784991]  compat_SyS_ioctl+0x6db/0x1ca0
>[ 8603.784996]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[ 8603.785001]  do_fast_syscall_32+0xbf/0x376
>[ 8603.785006]  entry_SYSENTER_compat+0x84/0x96
>[ 8604.068248] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8605.503447] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[ 8605.503454] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[ 8605.503458] CPU: 0 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[ 8605.503460] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[ 8605.503463] Call Trace:
>[ 8605.503472]  dump_stack+0x85/0xbf
>[ 8605.503478]  swiotlb_alloc_coherent+0x1be/0x1d0
>[ 8605.503487]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[ 8605.503494]  ttm_dma_populate+0x25e/0x350 [ttm]
>[ 8605.503501]  ttm_tt_bind+0x2c/0x60 [ttm]
>[ 8605.503506]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[ 8605.503514]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[ 8605.503520]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[ 8605.503527]  ? mutex_trylock+0xcd/0xe0
>[ 8605.503531]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[ 8605.503536]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[ 8605.503577]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[ 8605.503610]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[ 8605.503635]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[ 8605.503667]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[ 8605.503705]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8605.503732]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[ 8605.503740]  ? __might_fault+0x3e/0x90
>[ 8605.503773]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8605.503788]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[ 8605.503802]  drm_ioctl+0x2d5/0x370 [drm]
>[ 8605.503833]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8605.503867]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[ 8605.503876]  do_vfs_ioctl+0xa5/0x6e0
>[ 8605.503884]  SyS_ioctl+0x74/0x80
>[ 8605.503892]  do_syscall_64+0x79/0x220
>[ 8605.503897]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[ 8605.503901] RIP: 0033:0x7f6f9ac700f7
>[ 8605.503904] RSP: 002b:00007ffd10a896d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[ 8605.503908] RAX: ffffffffffffffda RBX: 000055d0ab8592e0 RCX: 00007f6f9ac700f7
>[ 8605.503911] RDX: 00007ffd10a89720 RSI: 00000000c0206440 RDI: 000000000000000c
>[ 8605.503913] RBP: 00007ffd10a89720 R08: 000055d0ab8592e0 R09: 0000000000000004
>[ 8605.503916] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[ 8605.503918] R13: 000000000000000c R14: 00007ffd10a897b8 R15: 000055d0abaa0500
>[ 8606.901786] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[ 8606.901792] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[ 8606.901796] CPU: 0 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[ 8606.901799] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[ 8606.901801] Call Trace:
>[ 8606.901811]  dump_stack+0x85/0xbf
>[ 8606.901817]  swiotlb_alloc_coherent+0x1be/0x1d0
>[ 8606.901827]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[ 8606.901837]  ttm_dma_populate+0x25e/0x350 [ttm]
>[ 8606.901845]  ttm_tt_bind+0x2c/0x60 [ttm]
>[ 8606.901851]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[ 8606.901860]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[ 8606.901865]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[ 8606.901872]  ? mutex_trylock+0xcd/0xe0
>[ 8606.901876]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[ 8606.901882]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[ 8606.901925]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[ 8606.901957]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[ 8606.901990]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[ 8606.902022]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[ 8606.902051]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8606.902076]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[ 8606.902083]  ? __might_fault+0x3e/0x90
>[ 8606.902109]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8606.902125]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[ 8606.902136]  drm_ioctl+0x2d5/0x370 [drm]
>[ 8606.902160]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8606.902188]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[ 8606.902195]  do_vfs_ioctl+0xa5/0x6e0
>[ 8606.902202]  SyS_ioctl+0x74/0x80
>[ 8606.902208]  do_syscall_64+0x79/0x220
>[ 8606.902213]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[ 8606.902217] RIP: 0033:0x7f07d78580f7
>[ 8606.902220] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[ 8606.902224] RAX: ffffffffffffffda RBX: 00000000035252c0 RCX: 00007f07d78580f7
>[ 8606.902226] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[ 8606.902229] RBP: 00007ffc892203c0 R08: 00000000035252c0 R09: 0000000000000004
>[ 8606.902231] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[ 8606.902234] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000031a4ae0
>[ 8614.234143] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[ 8614.234149] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[ 8614.234153] CPU: 7 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[ 8614.234156] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[ 8614.234159] Call Trace:
>[ 8614.234167]  dump_stack+0x85/0xbf
>[ 8614.234172]  swiotlb_alloc_coherent+0x1be/0x1d0
>[ 8614.234182]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[ 8614.234192]  ttm_dma_populate+0x25e/0x350 [ttm]
>[ 8614.234199]  ttm_tt_bind+0x2c/0x60 [ttm]
>[ 8614.234205]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[ 8614.234214]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[ 8614.234219]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[ 8614.234226]  ? mutex_trylock+0xcd/0xe0
>[ 8614.234230]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[ 8614.234236]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[ 8614.234279]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[ 8614.234313]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[ 8614.234346]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[ 8614.234377]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[ 8614.234406]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8614.234432]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[ 8614.234439]  ? __might_fault+0x3e/0x90
>[ 8614.234465]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8614.234482]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[ 8614.234493]  drm_ioctl+0x2d5/0x370 [drm]
>[ 8614.234519]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8614.234547]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[ 8614.234581]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[ 8614.234585]  compat_SyS_ioctl+0x6db/0x1ca0
>[ 8614.234590]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[ 8614.234593]  do_fast_syscall_32+0xbf/0x376
>[ 8614.234597]  entry_SYSENTER_compat+0x84/0x96
>[ 8614.628049] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[ 8614.628055] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[ 8614.628059] CPU: 4 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[ 8614.628061] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[ 8614.628063] Call Trace:
>[ 8614.628072]  dump_stack+0x85/0xbf
>[ 8614.628078]  swiotlb_alloc_coherent+0x1be/0x1d0
>[ 8614.628089]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[ 8614.628099]  ttm_dma_populate+0x25e/0x350 [ttm]
>[ 8614.628108]  ttm_tt_bind+0x2c/0x60 [ttm]
>[ 8614.628112]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[ 8614.628119]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[ 8614.628124]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[ 8614.628130]  ? mutex_trylock+0xcd/0xe0
>[ 8614.628134]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[ 8614.628139]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[ 8614.628195]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[ 8614.628232]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[ 8614.628267]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[ 8614.628303]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[ 8614.628335]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8614.628359]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[ 8614.628365]  ? __might_fault+0x3e/0x90
>[ 8614.628389]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8614.628407]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[ 8614.628415]  drm_ioctl+0x2d5/0x370 [drm]
>[ 8614.628436]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8614.628462]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[ 8614.628493]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[ 8614.628498]  compat_SyS_ioctl+0x6db/0x1ca0
>[ 8614.628502]  ? task_work_run+0x73/0xb0
>[ 8614.628506]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[ 8614.628510]  do_fast_syscall_32+0xbf/0x376
>[ 8614.628515]  entry_SYSENTER_compat+0x84/0x96
>[ 8618.947945] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[ 8618.947950] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[ 8618.947955] CPU: 3 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[ 8618.947958] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[ 8618.947960] Call Trace:
>[ 8618.947968]  dump_stack+0x85/0xbf
>[ 8618.947974]  swiotlb_alloc_coherent+0x1be/0x1d0
>[ 8618.947985]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[ 8618.947995]  ttm_dma_populate+0x25e/0x350 [ttm]
>[ 8618.948003]  ttm_tt_bind+0x2c/0x60 [ttm]
>[ 8618.948009]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[ 8618.948018]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[ 8618.948024]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[ 8618.948030]  ? mutex_trylock+0xcd/0xe0
>[ 8618.948035]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[ 8618.948041]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[ 8618.948076]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[ 8618.948109]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[ 8618.948142]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[ 8618.948175]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[ 8618.948205]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8618.948233]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[ 8618.948239]  ? __might_fault+0x3e/0x90
>[ 8618.948268]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8618.948282]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[ 8618.948294]  drm_ioctl+0x2d5/0x370 [drm]
>[ 8618.948321]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8618.948352]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[ 8618.948358]  do_vfs_ioctl+0xa5/0x6e0
>[ 8618.948365]  SyS_ioctl+0x74/0x80
>[ 8618.948372]  do_syscall_64+0x79/0x220
>[ 8618.948377]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[ 8618.948381] RIP: 0033:0x7f6f9ac700f7
>[ 8618.948383] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[ 8618.948388] RAX: ffffffffffffffda RBX: 000055d0a67e76b0 RCX: 00007f6f9ac700f7
>[ 8618.948390] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[ 8618.948393] RBP: 00007ffd10a897b0 R08: 000055d0a67e76b0 R09: 0000000000000004
>[ 8618.948396] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[ 8618.948398] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0a4d2cdf0
>[ 8619.583024] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[ 8619.583028] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[ 8619.583031] CPU: 5 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[ 8619.583033] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[ 8619.583035] Call Trace:
>[ 8619.583042]  dump_stack+0x85/0xbf
>[ 8619.583047]  swiotlb_alloc_coherent+0x1be/0x1d0
>[ 8619.583056]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[ 8619.583066]  ttm_dma_populate+0x25e/0x350 [ttm]
>[ 8619.583074]  ttm_tt_bind+0x2c/0x60 [ttm]
>[ 8619.583080]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[ 8619.583089]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[ 8619.583094]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[ 8619.583101]  ? mutex_trylock+0xcd/0xe0
>[ 8619.583106]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[ 8619.583111]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[ 8619.583144]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[ 8619.583163]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[ 8619.583182]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[ 8619.583209]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[ 8619.583234]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8619.583250]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[ 8619.583256]  ? __might_fault+0x3e/0x90
>[ 8619.583272]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8619.583284]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[ 8619.583295]  drm_ioctl+0x2d5/0x370 [drm]
>[ 8619.583320]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8619.583341]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[ 8619.583366]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[ 8619.583370]  compat_SyS_ioctl+0x6db/0x1ca0
>[ 8619.583374]  ? task_work_run+0x73/0xb0
>[ 8619.583377]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[ 8619.583381]  do_fast_syscall_32+0xbf/0x376
>[ 8619.583384]  entry_SYSENTER_compat+0x84/0x96
>[ 8620.068258] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8623.756115] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[ 8623.756121] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[ 8623.756126] CPU: 2 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[ 8623.756128] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[ 8623.756130] Call Trace:
>[ 8623.756138]  dump_stack+0x85/0xbf
>[ 8623.756145]  swiotlb_alloc_coherent+0x1be/0x1d0
>[ 8623.756155]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[ 8623.756165]  ttm_dma_populate+0x25e/0x350 [ttm]
>[ 8623.756173]  ttm_tt_bind+0x2c/0x60 [ttm]
>[ 8623.756180]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[ 8623.756189]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[ 8623.756194]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[ 8623.756201]  ? mutex_trylock+0xcd/0xe0
>[ 8623.756206]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[ 8623.756213]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[ 8623.756254]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[ 8623.756289]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[ 8623.756324]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[ 8623.756331]  ? debug_object_free+0x4c/0x130
>[ 8623.756365]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[ 8623.756399]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8623.756428]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[ 8623.756435]  ? __might_fault+0x3e/0x90
>[ 8623.756466]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8623.756482]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[ 8623.756495]  drm_ioctl+0x2d5/0x370 [drm]
>[ 8623.756523]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8623.756556]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[ 8623.756595]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[ 8623.756601]  compat_SyS_ioctl+0x6db/0x1ca0
>[ 8623.756608]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[ 8623.756613]  do_fast_syscall_32+0xbf/0x376
>[ 8623.756619]  entry_SYSENTER_compat+0x84/0x96
>[ 8623.835331] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[ 8623.835336] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[ 8623.835339] CPU: 5 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[ 8623.835341] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[ 8623.835343] Call Trace:
>[ 8623.835349]  dump_stack+0x85/0xbf
>[ 8623.835354]  swiotlb_alloc_coherent+0x1be/0x1d0
>[ 8623.835361]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[ 8623.835367]  ttm_dma_populate+0x25e/0x350 [ttm]
>[ 8623.835372]  ttm_tt_bind+0x2c/0x60 [ttm]
>[ 8623.835376]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[ 8623.835382]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[ 8623.835385]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[ 8623.835390]  ? mutex_trylock+0xcd/0xe0
>[ 8623.835393]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[ 8623.835397]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[ 8623.835431]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[ 8623.835461]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[ 8623.835485]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[ 8623.835507]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[ 8623.835530]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8623.835552]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[ 8623.835560]  ? __might_fault+0x3e/0x90
>[ 8623.835581]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8623.835593]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[ 8623.835600]  drm_ioctl+0x2d5/0x370 [drm]
>[ 8623.835621]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8623.835649]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[ 8623.835675]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[ 8623.835679]  compat_SyS_ioctl+0x6db/0x1ca0
>[ 8623.835683]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[ 8623.835687]  do_fast_syscall_32+0xbf/0x376
>[ 8623.835690]  entry_SYSENTER_compat+0x84/0x96
>[ 8624.623446] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[ 8624.623451] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[ 8624.623455] CPU: 7 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[ 8624.623457] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[ 8624.623458] Call Trace:
>[ 8624.623464]  dump_stack+0x85/0xbf
>[ 8624.623468]  swiotlb_alloc_coherent+0x1be/0x1d0
>[ 8624.623476]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[ 8624.623483]  ttm_dma_populate+0x25e/0x350 [ttm]
>[ 8624.623487]  ttm_tt_bind+0x2c/0x60 [ttm]
>[ 8624.623491]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[ 8624.623497]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[ 8624.623501]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[ 8624.623506]  ? mutex_trylock+0xcd/0xe0
>[ 8624.623510]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[ 8624.623514]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[ 8624.623547]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[ 8624.623571]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[ 8624.623595]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[ 8624.623617]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[ 8624.623637]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8624.623655]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[ 8624.623661]  ? __might_fault+0x3e/0x90
>[ 8624.623679]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8624.623692]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[ 8624.623699]  drm_ioctl+0x2d5/0x370 [drm]
>[ 8624.623721]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8624.623749]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[ 8624.623784]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[ 8624.623788]  compat_SyS_ioctl+0x6db/0x1ca0
>[ 8624.623793]  ? task_work_run+0x73/0xb0
>[ 8624.623797]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[ 8624.623800]  do_fast_syscall_32+0xbf/0x376
>[ 8624.623804]  entry_SYSENTER_compat+0x84/0x96
>[ 8625.699272] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[ 8625.699281] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[ 8625.699286] CPU: 6 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[ 8625.699289] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[ 8625.699292] Call Trace:
>[ 8625.699305]  dump_stack+0x85/0xbf
>[ 8625.699315]  swiotlb_alloc_coherent+0x1be/0x1d0
>[ 8625.699330]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[ 8625.699346]  ttm_dma_populate+0x25e/0x350 [ttm]
>[ 8625.699354]  ttm_tt_bind+0x2c/0x60 [ttm]
>[ 8625.699361]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[ 8625.699371]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[ 8625.699379]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[ 8625.699387]  ? mutex_trylock+0xcd/0xe0
>[ 8625.699392]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[ 8625.699398]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[ 8625.699446]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[ 8625.699485]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[ 8625.699531]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[ 8625.699568]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[ 8625.699600]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8625.699627]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[ 8625.699639]  ? __might_fault+0x3e/0x90
>[ 8625.699673]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8625.699691]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[ 8625.699703]  drm_ioctl+0x2d5/0x370 [drm]
>[ 8625.699730]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[ 8625.699762]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[ 8625.699771]  do_vfs_ioctl+0xa5/0x6e0
>[ 8625.699780]  SyS_ioctl+0x74/0x80
>[ 8625.699788]  do_syscall_64+0x79/0x220
>[ 8625.699794]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[ 8625.699799] RIP: 0033:0x7f07d78580f7
>[ 8625.699802] RSP: 002b:00007ffc892201c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[ 8625.699806] RAX: ffffffffffffffda RBX: 0000000003288700 RCX: 00007f07d78580f7
>[ 8625.699808] RDX: 00007ffc89220210 RSI: 00000000c0206440 RDI: 000000000000000b
>[ 8625.699810] RBP: 00007ffc89220210 R08: 0000000003288700 R09: 0000000000000004
>[ 8625.699813] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[ 8625.699815] R13: 000000000000000b R14: 00007ffc892202a8 R15: 00000000031a4ae0
>[ 8636.067288] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8652.067293] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8668.067327] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8684.067333] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8700.068352] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8716.067384] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8732.068407] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8748.068428] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8764.067430] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8780.064438] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8796.065463] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8812.069495] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8828.069500] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8844.069516] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8860.069542] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8876.069552] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8892.068620] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8908.068585] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8924.068618] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8940.069630] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8956.068640] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8972.068676] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 8988.068683] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9004.069684] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9020.068792] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9036.068730] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9052.070745] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9068.069765] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9084.070781] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9100.070802] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9116.070822] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9132.070843] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9148.069849] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9164.070872] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9180.070912] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9196.070905] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9212.067927] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9228.070943] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9244.069973] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9260.070981] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9276.070006] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9292.070026] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9308.070053] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9324.070048] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9340.070105] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9356.072126] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9372.071146] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9388.072126] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9404.072140] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9420.070171] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9436.072176] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9452.071220] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9468.071266] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9484.071239] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9500.071274] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9516.072267] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9532.071281] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9548.071303] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9564.071335] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9580.071337] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9596.071376] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9612.067384] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9628.071400] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9644.073435] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9660.073423] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9676.073447] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9692.073472] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9708.073539] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9724.072505] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9740.072521] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9756.073536] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9772.073550] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9788.073567] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9804.072588] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9820.072601] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9836.072623] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9852.072637] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9868.072667] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9884.073680] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9900.073736] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9916.072712] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9932.074747] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9948.074743] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9964.074781] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9980.074790] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[ 9996.074803] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10012.074814] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10028.074835] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10044.073859] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10060.073893] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10076.073904] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10092.073913] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10108.073937] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10124.073949] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10140.073973] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10156.073999] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10172.073996] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10188.074016] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10204.071054] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10220.077052] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10236.076096] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10252.076092] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10268.076141] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10284.076129] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10300.074147] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10316.075183] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10332.076187] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10338.778061] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[10338.778067] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[10338.778071] CPU: 2 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[10338.778073] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[10338.778076] Call Trace:
>[10338.778085]  dump_stack+0x85/0xbf
>[10338.778091]  swiotlb_alloc_coherent+0x1be/0x1d0
>[10338.778103]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[10338.778114]  ttm_dma_populate+0x25e/0x350 [ttm]
>[10338.778122]  ttm_tt_bind+0x2c/0x60 [ttm]
>[10338.778128]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[10338.778137]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[10338.778142]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[10338.778148]  ? mutex_trylock+0xcd/0xe0
>[10338.778152]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[10338.778157]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[10338.778202]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[10338.778236]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[10338.778268]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[10338.778301]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[10338.778332]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[10338.778356]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[10338.778364]  ? __might_fault+0x3e/0x90
>[10338.778388]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[10338.778404]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[10338.778417]  drm_ioctl+0x2d5/0x370 [drm]
>[10338.778440]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[10338.778466]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[10338.778497]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[10338.778502]  compat_SyS_ioctl+0x6db/0x1ca0
>[10338.778508]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[10338.778512]  do_fast_syscall_32+0xbf/0x376
>[10338.778517]  entry_SYSENTER_compat+0x84/0x96
>[10339.213931] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[10339.213938] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[10339.213942] CPU: 1 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[10339.213945] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[10339.213947] Call Trace:
>[10339.213957]  dump_stack+0x85/0xbf
>[10339.213964]  swiotlb_alloc_coherent+0x1be/0x1d0
>[10339.213974]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[10339.213985]  ttm_dma_populate+0x25e/0x350 [ttm]
>[10339.213993]  ttm_tt_bind+0x2c/0x60 [ttm]
>[10339.213999]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[10339.214008]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[10339.214013]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[10339.214020]  ? mutex_trylock+0xcd/0xe0
>[10339.214025]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[10339.214031]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[10339.214101]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[10339.214145]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[10339.214180]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[10339.214216]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[10339.214249]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[10339.214274]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[10339.214282]  ? __might_fault+0x3e/0x90
>[10339.214311]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[10339.214327]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[10339.214340]  drm_ioctl+0x2d5/0x370 [drm]
>[10339.214366]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[10339.214395]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[10339.214427]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[10339.214432]  compat_SyS_ioctl+0x6db/0x1ca0
>[10339.214438]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[10339.214442]  do_fast_syscall_32+0xbf/0x376
>[10339.214447]  entry_SYSENTER_compat+0x84/0x96
>[10348.076216] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10364.075229] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10380.075243] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10396.075258] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10412.076334] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10428.076320] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10444.075312] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10460.075345] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10476.075348] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10492.075357] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10508.076391] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10524.077393] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10540.077435] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10556.077439] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10572.077460] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10588.077476] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10604.077477] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10620.077508] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10636.076563] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10652.077532] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10668.077554] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10684.078571] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10700.076608] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10716.077626] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10732.076648] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10748.076690] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10764.077690] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10780.076738] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10796.075704] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10812.076718] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10828.076776] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10844.078768] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10860.077770] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10876.078804] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10892.078840] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10908.075820] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10924.078840] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10940.078875] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10956.078894] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10972.078914] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[10988.078940] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11004.077976] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11020.077948] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11036.078005] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11052.078010] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11068.077021] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11084.078030] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11100.078062] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11116.078071] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11132.078074] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11148.080105] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11164.080117] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11180.080135] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11195.801366] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[11195.801370] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[11195.801373] CPU: 2 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[11195.801375] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[11195.801377] Call Trace:
>[11195.801384]  dump_stack+0x85/0xbf
>[11195.801389]  swiotlb_alloc_coherent+0x1be/0x1d0
>[11195.801397]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[11195.801404]  ttm_dma_populate+0x25e/0x350 [ttm]
>[11195.801408]  ttm_tt_bind+0x2c/0x60 [ttm]
>[11195.801412]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[11195.801418]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[11195.801422]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[11195.801427]  ? mutex_trylock+0xcd/0xe0
>[11195.801430]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[11195.801434]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[11195.801468]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[11195.801497]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[11195.801521]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[11195.801526]  ? debug_object_free+0x4c/0x130
>[11195.801547]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[11195.801568]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[11195.801586]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[11195.801592]  ? __might_fault+0x3e/0x90
>[11195.801610]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[11195.801623]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[11195.801631]  drm_ioctl+0x2d5/0x370 [drm]
>[11195.801648]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[11195.801668]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[11195.801694]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[11195.801698]  compat_SyS_ioctl+0x6db/0x1ca0
>[11195.801702]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[11195.801706]  do_fast_syscall_32+0xbf/0x376
>[11195.801710]  entry_SYSENTER_compat+0x84/0x96
>[11195.866841] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[11195.866847] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[11195.866852] CPU: 5 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[11195.866854] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[11195.866857] Call Trace:
>[11195.866865]  dump_stack+0x85/0xbf
>[11195.866871]  swiotlb_alloc_coherent+0x1be/0x1d0
>[11195.866882]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[11195.866893]  ttm_dma_populate+0x25e/0x350 [ttm]
>[11195.866901]  ttm_tt_bind+0x2c/0x60 [ttm]
>[11195.866908]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[11195.866917]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[11195.866923]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[11195.866930]  ? mutex_trylock+0xcd/0xe0
>[11195.866935]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[11195.866942]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[11195.866985]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[11195.867016]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[11195.867048]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[11195.867081]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[11195.867113]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[11195.867141]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[11195.867148]  ? __might_fault+0x3e/0x90
>[11195.867178]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[11195.867194]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[11195.867206]  drm_ioctl+0x2d5/0x370 [drm]
>[11195.867235]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[11195.867267]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[11195.867305]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[11195.867310]  compat_SyS_ioctl+0x6db/0x1ca0
>[11195.867316]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[11195.867321]  do_fast_syscall_32+0xbf/0x376
>[11195.867326]  entry_SYSENTER_compat+0x84/0x96
>[11196.080151] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11212.080184] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11228.080196] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11244.080218] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11260.080239] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11276.078234] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11292.080266] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11308.076277] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11315.826229] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[11315.826235] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[11315.826239] CPU: 4 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[11315.826242] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[11315.826244] Call Trace:
>[11315.826251]  dump_stack+0x85/0xbf
>[11315.826257]  swiotlb_alloc_coherent+0x1be/0x1d0
>[11315.826267]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[11315.826276]  ttm_dma_populate+0x25e/0x350 [ttm]
>[11315.826281]  ttm_tt_bind+0x2c/0x60 [ttm]
>[11315.826284]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[11315.826290]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[11315.826294]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[11315.826298]  ? mutex_trylock+0xcd/0xe0
>[11315.826301]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[11315.826304]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[11315.826340]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[11315.826368]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[11315.826389]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[11315.826394]  ? debug_object_free+0x4c/0x130
>[11315.826414]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[11315.826434]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[11315.826451]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[11315.826456]  ? __might_fault+0x3e/0x90
>[11315.826474]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[11315.826486]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[11315.826493]  drm_ioctl+0x2d5/0x370 [drm]
>[11315.826510]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[11315.826529]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[11315.826555]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[11315.826558]  compat_SyS_ioctl+0x6db/0x1ca0
>[11315.826562]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[11315.826565]  do_fast_syscall_32+0xbf/0x376
>[11315.826569]  entry_SYSENTER_compat+0x84/0x96
>[11324.077313] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11340.079307] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11350.873188] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[11350.873192] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[11350.873195] CPU: 4 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[11350.873197] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[11350.873199] Call Trace:
>[11350.873206]  dump_stack+0x85/0xbf
>[11350.873211]  swiotlb_alloc_coherent+0x1be/0x1d0
>[11350.873219]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[11350.873226]  ttm_dma_populate+0x25e/0x350 [ttm]
>[11350.873232]  ttm_tt_bind+0x2c/0x60 [ttm]
>[11350.873236]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[11350.873243]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[11350.873247]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[11350.873252]  ? mutex_trylock+0xcd/0xe0
>[11350.873255]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[11350.873259]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[11350.873290]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[11350.873312]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[11350.873335]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[11350.873340]  ? debug_object_free+0x4c/0x130
>[11350.873359]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[11350.873379]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[11350.873397]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[11350.873402]  ? __might_fault+0x3e/0x90
>[11350.873421]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[11350.873433]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[11350.873440]  drm_ioctl+0x2d5/0x370 [drm]
>[11350.873457]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[11350.873478]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[11350.873504]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[11350.873508]  compat_SyS_ioctl+0x6db/0x1ca0
>[11350.873512]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[11350.873516]  do_fast_syscall_32+0xbf/0x376
>[11350.873520]  entry_SYSENTER_compat+0x84/0x96
>[11356.078339] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11372.079361] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11388.079372] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11404.077409] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11420.079396] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11426.826171] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[11426.826176] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[11426.826179] CPU: 6 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[11426.826181] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[11426.826183] Call Trace:
>[11426.826190]  dump_stack+0x85/0xbf
>[11426.826195]  swiotlb_alloc_coherent+0x1be/0x1d0
>[11426.826203]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[11426.826211]  ttm_dma_populate+0x25e/0x350 [ttm]
>[11426.826217]  ttm_tt_bind+0x2c/0x60 [ttm]
>[11426.826222]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[11426.826227]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[11426.826231]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[11426.826236]  ? mutex_trylock+0xcd/0xe0
>[11426.826240]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[11426.826244]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[11426.826277]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[11426.826301]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[11426.826325]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[11426.826348]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[11426.826370]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[11426.826390]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[11426.826395]  ? __might_fault+0x3e/0x90
>[11426.826419]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[11426.826433]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[11426.826445]  drm_ioctl+0x2d5/0x370 [drm]
>[11426.826469]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[11426.826495]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[11426.826501]  do_vfs_ioctl+0xa5/0x6e0
>[11426.826507]  SyS_ioctl+0x74/0x80
>[11426.826513]  do_syscall_64+0x79/0x220
>[11426.826517]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[11426.826520] RIP: 0033:0x7f6f9ac700f7
>[11426.826522] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[11426.826526] RAX: ffffffffffffffda RBX: 000055d0a99f50e0 RCX: 00007f6f9ac700f7
>[11426.826528] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[11426.826531] RBP: 00007ffd10a897b0 R08: 000055d0a99f50e0 R09: 00007f6f9af34c50
>[11426.826533] R10: 0000000000000006 R11: 0000000000000246 R12: 00000000c0206440
>[11426.826535] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0a9025c70
>[11436.080410] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11452.079446] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11468.081452] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11484.081468] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11500.081484] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11516.081528] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11532.081526] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11548.078550] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11564.081576] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11580.080569] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11596.081611] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11612.082632] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11628.079642] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11644.080675] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11660.077692] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11676.081705] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11692.080701] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11708.080733] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11724.080743] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11740.082773] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11756.079790] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11772.082792] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11788.082825] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11804.082851] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11820.082855] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11836.081875] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11852.081882] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11868.082910] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11884.082913] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11900.081949] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11916.080953] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11932.080005] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11948.081006] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11964.083023] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11980.084037] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[11996.084054] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12012.084077] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12028.086104] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12044.084098] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12060.084115] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12076.084141] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12092.083205] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12108.082190] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12124.085240] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12140.084231] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12156.085249] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12160.800644] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[12160.800648] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[12160.800651] CPU: 5 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[12160.800653] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[12160.800654] Call Trace:
>[12160.800661]  dump_stack+0x85/0xbf
>[12160.800665]  swiotlb_alloc_coherent+0x1be/0x1d0
>[12160.800672]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[12160.800679]  ttm_dma_populate+0x25e/0x350 [ttm]
>[12160.800683]  ttm_tt_bind+0x2c/0x60 [ttm]
>[12160.800687]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[12160.800693]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[12160.800696]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[12160.800701]  ? mutex_trylock+0xcd/0xe0
>[12160.800704]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[12160.800708]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[12160.800736]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[12160.800757]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[12160.800778]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[12160.800782]  ? debug_object_free+0x4c/0x130
>[12160.800802]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[12160.800823]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[12160.800841]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[12160.800847]  ? __might_fault+0x3e/0x90
>[12160.800865]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[12160.800886]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[12160.800893]  drm_ioctl+0x2d5/0x370 [drm]
>[12160.800911]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[12160.800931]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[12160.800957]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[12160.800961]  compat_SyS_ioctl+0x6db/0x1ca0
>[12160.800965]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[12160.800968]  do_fast_syscall_32+0xbf/0x376
>[12160.800972]  entry_SYSENTER_compat+0x84/0x96
>[12160.887675] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[12160.887679] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[12160.887682] CPU: 1 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[12160.887684] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[12160.887686] Call Trace:
>[12160.887694]  dump_stack+0x85/0xbf
>[12160.887699]  swiotlb_alloc_coherent+0x1be/0x1d0
>[12160.887706]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[12160.887713]  ttm_dma_populate+0x25e/0x350 [ttm]
>[12160.887718]  ttm_tt_bind+0x2c/0x60 [ttm]
>[12160.887722]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[12160.887728]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[12160.887732]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[12160.887737]  ? mutex_trylock+0xcd/0xe0
>[12160.887741]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[12160.887745]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[12160.887778]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[12160.887802]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[12160.887824]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[12160.887846]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[12160.887866]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[12160.887884]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[12160.887890]  ? __might_fault+0x3e/0x90
>[12160.887908]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[12160.887920]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[12160.887927]  drm_ioctl+0x2d5/0x370 [drm]
>[12160.887955]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[12160.887976]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[12160.888002]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[12160.888006]  compat_SyS_ioctl+0x6db/0x1ca0
>[12160.888011]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[12160.888014]  do_fast_syscall_32+0xbf/0x376
>[12160.888019]  entry_SYSENTER_compat+0x84/0x96
>[12160.901627] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[12160.901631] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[12160.901634] CPU: 5 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[12160.901636] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[12160.901637] Call Trace:
>[12160.901643]  dump_stack+0x85/0xbf
>[12160.901648]  swiotlb_alloc_coherent+0x1be/0x1d0
>[12160.901655]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[12160.901661]  ttm_dma_populate+0x25e/0x350 [ttm]
>[12160.901665]  ttm_tt_bind+0x2c/0x60 [ttm]
>[12160.901669]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[12160.901674]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[12160.901677]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[12160.901682]  ? mutex_trylock+0xcd/0xe0
>[12160.901684]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[12160.901688]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[12160.901719]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[12160.901737]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[12160.901755]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[12160.901773]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[12160.901791]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[12160.901806]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[12160.901811]  ? __might_fault+0x3e/0x90
>[12160.901826]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[12160.901837]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[12160.901844]  drm_ioctl+0x2d5/0x370 [drm]
>[12160.901859]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[12160.901876]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[12160.901900]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[12160.901903]  compat_SyS_ioctl+0x6db/0x1ca0
>[12160.901907]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[12160.901910]  do_fast_syscall_32+0xbf/0x376
>[12160.901913]  entry_SYSENTER_compat+0x84/0x96
>[12172.084242] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12188.086272] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12204.083290] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12220.084302] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12236.085326] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12252.087359] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12268.085409] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12284.086376] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12300.084404] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12316.086422] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12332.085431] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12348.086458] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12364.084469] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12376.287789] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[12376.287793] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[12376.287796] CPU: 1 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[12376.287798] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[12376.287799] Call Trace:
>[12376.287806]  dump_stack+0x85/0xbf
>[12376.287810]  swiotlb_alloc_coherent+0x1be/0x1d0
>[12376.287817]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[12376.287823]  ttm_dma_populate+0x25e/0x350 [ttm]
>[12376.287828]  ttm_tt_bind+0x2c/0x60 [ttm]
>[12376.287831]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[12376.287837]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[12376.287840]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[12376.287845]  ? mutex_trylock+0xcd/0xe0
>[12376.287848]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[12376.287851]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[12376.287883]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[12376.287906]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[12376.287928]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[12376.287932]  ? debug_object_free+0x4c/0x130
>[12376.287953]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[12376.287973]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[12376.287990]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[12376.287996]  ? __might_fault+0x3e/0x90
>[12376.288013]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[12376.288024]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[12376.288032]  drm_ioctl+0x2d5/0x370 [drm]
>[12376.288048]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[12376.288067]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[12376.288093]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[12376.288097]  compat_SyS_ioctl+0x6db/0x1ca0
>[12376.288101]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[12376.288105]  do_fast_syscall_32+0xbf/0x376
>[12376.288109]  entry_SYSENTER_compat+0x84/0x96
>[12380.081484] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12396.084503] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12400.842138] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[12400.842144] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[12400.842148] CPU: 2 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[12400.842150] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[12400.842153] Call Trace:
>[12400.842161]  dump_stack+0x85/0xbf
>[12400.842167]  swiotlb_alloc_coherent+0x1be/0x1d0
>[12400.842177]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[12400.842187]  ttm_dma_populate+0x25e/0x350 [ttm]
>[12400.842194]  ttm_tt_bind+0x2c/0x60 [ttm]
>[12400.842201]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[12400.842209]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[12400.842214]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[12400.842220]  ? mutex_trylock+0xcd/0xe0
>[12400.842225]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[12400.842231]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[12400.842267]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[12400.842310]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[12400.842362]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[12400.842396]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[12400.842426]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[12400.842453]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[12400.842459]  ? __might_fault+0x3e/0x90
>[12400.842487]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[12400.842501]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[12400.842512]  drm_ioctl+0x2d5/0x370 [drm]
>[12400.842539]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[12400.842569]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[12400.842604]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[12400.842608]  compat_SyS_ioctl+0x6db/0x1ca0
>[12400.842613]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[12400.842618]  do_fast_syscall_32+0xbf/0x376
>[12400.842623]  entry_SYSENTER_compat+0x84/0x96
>[12400.907408] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[12400.907413] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[12400.907416] CPU: 5 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[12400.907418] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[12400.907419] Call Trace:
>[12400.907425]  dump_stack+0x85/0xbf
>[12400.907430]  swiotlb_alloc_coherent+0x1be/0x1d0
>[12400.907437]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[12400.907443]  ttm_dma_populate+0x25e/0x350 [ttm]
>[12400.907448]  ttm_tt_bind+0x2c/0x60 [ttm]
>[12400.907452]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[12400.907458]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[12400.907461]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[12400.907466]  ? mutex_trylock+0xcd/0xe0
>[12400.907469]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[12400.907473]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[12400.907503]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[12400.907525]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[12400.907545]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[12400.907566]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[12400.907586]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[12400.907603]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[12400.907608]  ? __might_fault+0x3e/0x90
>[12400.907627]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[12400.907649]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[12400.907657]  drm_ioctl+0x2d5/0x370 [drm]
>[12400.907674]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[12400.907694]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[12400.907701]  do_vfs_ioctl+0xa5/0x6e0
>[12400.907709]  SyS_ioctl+0x74/0x80
>[12400.907714]  do_syscall_64+0x79/0x220
>[12400.907718]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[12400.907721] RIP: 0033:0x7f6f9ac700f7
>[12400.907723] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[12400.907726] RAX: ffffffffffffffda RBX: 000055d0ab932860 RCX: 00007f6f9ac700f7
>[12400.907728] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[12400.907730] RBP: 00007ffd10a897b0 R08: 000055d0ab932860 R09: 0000000000000004
>[12400.907732] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[12400.907734] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0a7243000
>[12400.922139] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[12400.922144] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[12400.922146] CPU: 5 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[12400.922148] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[12400.922149] Call Trace:
>[12400.922156]  dump_stack+0x85/0xbf
>[12400.922160]  swiotlb_alloc_coherent+0x1be/0x1d0
>[12400.922167]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[12400.922173]  ttm_dma_populate+0x25e/0x350 [ttm]
>[12400.922178]  ttm_tt_bind+0x2c/0x60 [ttm]
>[12400.922181]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[12400.922187]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[12400.922190]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[12400.922195]  ? mutex_trylock+0xcd/0xe0
>[12400.922198]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[12400.922202]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[12400.922236]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[12400.922277]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[12400.922308]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[12400.922338]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[12400.922362]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[12400.922380]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[12400.922387]  ? __might_fault+0x3e/0x90
>[12400.922409]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[12400.922422]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[12400.922430]  drm_ioctl+0x2d5/0x370 [drm]
>[12400.922447]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[12400.922466]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[12400.922492]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[12400.922496]  compat_SyS_ioctl+0x6db/0x1ca0
>[12400.922500]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[12400.922503]  do_fast_syscall_32+0xbf/0x376
>[12400.922507]  entry_SYSENTER_compat+0x84/0x96
>[12412.085506] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12428.085525] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12444.084570] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12460.084576] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12476.085577] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12492.083592] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12508.086638] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12524.086645] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12525.826175] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[12525.826181] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[12525.826185] CPU: 2 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[12525.826188] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[12525.826191] Call Trace:
>[12525.826199]  dump_stack+0x85/0xbf
>[12525.826205]  swiotlb_alloc_coherent+0x1be/0x1d0
>[12525.826216]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[12525.826227]  ttm_dma_populate+0x25e/0x350 [ttm]
>[12525.826235]  ttm_tt_bind+0x2c/0x60 [ttm]
>[12525.826242]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[12525.826252]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[12525.826257]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[12525.826265]  ? mutex_trylock+0xcd/0xe0
>[12525.826270]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[12525.826276]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[12525.826314]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[12525.826347]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[12525.826377]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[12525.826407]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[12525.826436]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[12525.826462]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[12525.826470]  ? __might_fault+0x3e/0x90
>[12525.826499]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[12525.826514]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[12525.826527]  drm_ioctl+0x2d5/0x370 [drm]
>[12525.826556]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[12525.826588]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[12525.826627]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[12525.826632]  compat_SyS_ioctl+0x6db/0x1ca0
>[12525.826638]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[12525.826644]  do_fast_syscall_32+0xbf/0x376
>[12525.826649]  entry_SYSENTER_compat+0x84/0x96
>[12525.909366] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[12525.909372] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[12525.909377] CPU: 6 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[12525.909379] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[12525.909382] Call Trace:
>[12525.909390]  dump_stack+0x85/0xbf
>[12525.909397]  swiotlb_alloc_coherent+0x1be/0x1d0
>[12525.909407]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[12525.909417]  ttm_dma_populate+0x25e/0x350 [ttm]
>[12525.909424]  ttm_tt_bind+0x2c/0x60 [ttm]
>[12525.909430]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[12525.909438]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[12525.909443]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[12525.909450]  ? mutex_trylock+0xcd/0xe0
>[12525.909455]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[12525.909460]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[12525.909501]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[12525.909529]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[12525.909557]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[12525.909561]  ? debug_object_free+0x4c/0x130
>[12525.909580]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[12525.909599]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[12525.909615]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[12525.909620]  ? __might_fault+0x3e/0x90
>[12525.909637]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[12525.909649]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[12525.909657]  drm_ioctl+0x2d5/0x370 [drm]
>[12525.909673]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[12525.909692]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[12525.909717]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[12525.909721]  compat_SyS_ioctl+0x6db/0x1ca0
>[12525.909725]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[12525.909729]  do_fast_syscall_32+0xbf/0x376
>[12525.909733]  entry_SYSENTER_compat+0x84/0x96
>[12526.720103] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[12526.720110] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[12526.720115] CPU: 3 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[12526.720118] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[12526.720120] Call Trace:
>[12526.720129]  dump_stack+0x85/0xbf
>[12526.720135]  swiotlb_alloc_coherent+0x1be/0x1d0
>[12526.720145]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[12526.720156]  ttm_dma_populate+0x25e/0x350 [ttm]
>[12526.720163]  ttm_tt_bind+0x2c/0x60 [ttm]
>[12526.720170]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[12526.720179]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[12526.720185]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[12526.720192]  ? mutex_trylock+0xcd/0xe0
>[12526.720197]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[12526.720203]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[12526.720238]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[12526.720271]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[12526.720304]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[12526.720336]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[12526.720368]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[12526.720395]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[12526.720402]  ? __might_fault+0x3e/0x90
>[12526.720431]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[12526.720447]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[12526.720460]  drm_ioctl+0x2d5/0x370 [drm]
>[12526.720486]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[12526.720517]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[12526.720524]  do_vfs_ioctl+0xa5/0x6e0
>[12526.720531]  SyS_ioctl+0x74/0x80
>[12526.720538]  do_syscall_64+0x79/0x220
>[12526.720543]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[12526.720547] RIP: 0033:0x7f6f9ac700f7
>[12526.720550] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[12526.720555] RAX: ffffffffffffffda RBX: 000055d0a8fe9dd0 RCX: 00007f6f9ac700f7
>[12526.720557] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[12526.720560] RBP: 00007ffd10a897b0 R08: 000055d0a8fe9dd0 R09: 0000000000000004
>[12526.720563] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[12526.720566] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0aa78c2a0
>[12526.723626] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[12526.723631] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[12526.723635] CPU: 0 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[12526.723638] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[12526.723640] Call Trace:
>[12526.723647]  dump_stack+0x85/0xbf
>[12526.723654]  swiotlb_alloc_coherent+0x1be/0x1d0
>[12526.723663]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[12526.723673]  ttm_dma_populate+0x25e/0x350 [ttm]
>[12526.723681]  ttm_tt_bind+0x2c/0x60 [ttm]
>[12526.723687]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[12526.723696]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[12526.723702]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[12526.723708]  ? mutex_trylock+0xcd/0xe0
>[12526.723713]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[12526.723718]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[12526.723752]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[12526.723782]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[12526.723813]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[12526.723844]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[12526.723874]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[12526.723900]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[12526.723907]  ? __might_fault+0x3e/0x90
>[12526.723933]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[12526.723949]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[12526.723961]  drm_ioctl+0x2d5/0x370 [drm]
>[12526.723987]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[12526.724015]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[12526.724049]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[12526.724054]  compat_SyS_ioctl+0x6db/0x1ca0
>[12526.724060]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[12526.724065]  do_fast_syscall_32+0xbf/0x376
>[12526.724071]  entry_SYSENTER_compat+0x84/0x96
>[12540.087658] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12556.086673] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12572.087712] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12588.083718] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12604.086739] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12620.084746] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12636.086767] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12652.086800] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12668.087809] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12684.085822] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12700.086869] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12716.085856] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12732.087867] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12748.087896] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12764.088925] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12780.087928] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12796.088951] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12812.087966] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12828.088999] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12844.086005] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12860.087045] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12876.087036] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12892.087083] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12908.087068] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12924.087094] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12940.087117] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12956.088132] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12972.087146] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[12988.084150] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13004.089183] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13020.089207] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13036.089285] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13052.089242] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13068.088263] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13084.089268] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13100.086297] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13116.088313] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13132.088321] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13148.089349] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13164.088355] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13166.412658] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[13166.412664] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[13166.412669] CPU: 7 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[13166.412671] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[13166.412674] Call Trace:
>[13166.412683]  dump_stack+0x85/0xbf
>[13166.412689]  swiotlb_alloc_coherent+0x1be/0x1d0
>[13166.412700]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[13166.412710]  ttm_dma_populate+0x25e/0x350 [ttm]
>[13166.412717]  ttm_tt_bind+0x2c/0x60 [ttm]
>[13166.412722]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[13166.412730]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[13166.412735]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[13166.412742]  ? mutex_trylock+0xcd/0xe0
>[13166.412747]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[13166.412752]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[13166.412804]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[13166.412832]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[13166.412861]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[13166.412890]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[13166.412918]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13166.412944]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[13166.412951]  ? __might_fault+0x3e/0x90
>[13166.412978]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13166.412996]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[13166.413007]  drm_ioctl+0x2d5/0x370 [drm]
>[13166.413044]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13166.413073]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[13166.413080]  do_vfs_ioctl+0xa5/0x6e0
>[13166.413087]  SyS_ioctl+0x74/0x80
>[13166.413094]  do_syscall_64+0x79/0x220
>[13166.413099]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[13166.413103] RIP: 0033:0x7f6f9ac700f7
>[13166.413105] RSP: 002b:00007ffd10a897d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[13166.413109] RAX: ffffffffffffffda RBX: 000055d0ab9ff440 RCX: 00007f6f9ac700f7
>[13166.413112] RDX: 00007ffd10a89820 RSI: 00000000c0206440 RDI: 000000000000000c
>[13166.413115] RBP: 00007ffd10a89820 R08: 000055d0ab9ff440 R09: 00007f6f9af34ca0
>[13166.413117] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[13166.413120] R13: 000000000000000c R14: 00007ffd10a898b8 R15: 000055d0a4e35c60
>[13180.088374] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13196.088382] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13212.087460] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13228.088425] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13244.090443] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13260.087479] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13276.090490] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13286.278657] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[13286.278663] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[13286.278667] CPU: 6 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[13286.278670] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[13286.278672] Call Trace:
>[13286.278680]  dump_stack+0x85/0xbf
>[13286.278685]  swiotlb_alloc_coherent+0x1be/0x1d0
>[13286.278695]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[13286.278705]  ttm_dma_populate+0x25e/0x350 [ttm]
>[13286.278712]  ttm_tt_bind+0x2c/0x60 [ttm]
>[13286.278717]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[13286.278726]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[13286.278730]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[13286.278737]  ? mutex_trylock+0xcd/0xe0
>[13286.278741]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[13286.278748]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[13286.278787]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[13286.278819]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[13286.278851]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[13286.278881]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[13286.278911]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13286.278936]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[13286.278943]  ? __might_fault+0x3e/0x90
>[13286.278968]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13286.278983]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[13286.278995]  drm_ioctl+0x2d5/0x370 [drm]
>[13286.279020]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13286.279050]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[13286.279084]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[13286.279090]  compat_SyS_ioctl+0x6db/0x1ca0
>[13286.279096]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[13286.279100]  do_fast_syscall_32+0xbf/0x376
>[13286.279105]  entry_SYSENTER_compat+0x84/0x96
>[13291.229724] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[13291.229729] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[13291.229732] CPU: 7 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[13291.229734] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[13291.229735] Call Trace:
>[13291.229742]  dump_stack+0x85/0xbf
>[13291.229746]  swiotlb_alloc_coherent+0x1be/0x1d0
>[13291.229753]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[13291.229760]  ttm_dma_populate+0x25e/0x350 [ttm]
>[13291.229764]  ttm_tt_bind+0x2c/0x60 [ttm]
>[13291.229768]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[13291.229773]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[13291.229777]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[13291.229781]  ? mutex_trylock+0xcd/0xe0
>[13291.229784]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[13291.229788]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[13291.229820]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[13291.229852]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[13291.229872]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[13291.229876]  ? lock_acquire+0x9f/0x200
>[13291.229895]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[13291.229916]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13291.229933]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[13291.229938]  ? __might_fault+0x3e/0x90
>[13291.229955]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13291.229966]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[13291.229972]  drm_ioctl+0x2d5/0x370 [drm]
>[13291.229989]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13291.230008]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[13291.230013]  do_vfs_ioctl+0xa5/0x6e0
>[13291.230017]  SyS_ioctl+0x74/0x80
>[13291.230021]  do_syscall_64+0x79/0x220
>[13291.230024]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[13291.230027] RIP: 0033:0x7f6f9ac700f7
>[13291.230029] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[13291.230031] RAX: ffffffffffffffda RBX: 000055d0a6d97ce0 RCX: 00007f6f9ac700f7
>[13291.230033] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[13291.230034] RBP: 00007ffd10a897b0 R08: 000055d0a6d97ce0 R09: 0000000000000005
>[13291.230036] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[13291.230038] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0a77225c0
>[13292.090489] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13308.087532] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13324.090539] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13340.090615] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13351.372382] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[13351.372388] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[13351.372393] CPU: 4 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[13351.372395] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[13351.372397] Call Trace:
>[13351.372404]  dump_stack+0x85/0xbf
>[13351.372420]  swiotlb_alloc_coherent+0x1be/0x1d0
>[13351.372430]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[13351.372440]  ttm_dma_populate+0x25e/0x350 [ttm]
>[13351.372456]  ttm_tt_bind+0x2c/0x60 [ttm]
>[13351.372461]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[13351.372469]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[13351.372474]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[13351.372481]  ? mutex_trylock+0xcd/0xe0
>[13351.372486]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[13351.372491]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[13351.372530]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[13351.372583]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[13351.372614]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[13351.372645]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[13351.372675]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13351.372702]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[13351.372709]  ? __might_fault+0x3e/0x90
>[13351.372737]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13351.372754]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[13351.372766]  drm_ioctl+0x2d5/0x370 [drm]
>[13351.372794]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13351.372824]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[13351.372831]  do_vfs_ioctl+0xa5/0x6e0
>[13351.372838]  SyS_ioctl+0x74/0x80
>[13351.372844]  do_syscall_64+0x79/0x220
>[13351.372848]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[13351.372852] RIP: 0033:0x7f07d78580f7
>[13351.372854] RSP: 002b:00007ffc89220238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[13351.372858] RAX: ffffffffffffffda RBX: 0000000003352070 RCX: 00007f07d78580f7
>[13351.372861] RDX: 00007ffc89220280 RSI: 00000000c0206440 RDI: 000000000000000b
>[13351.372863] RBP: 00007ffc89220280 R08: 0000000003352070 R09: 0000000000000004
>[13351.372866] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[13351.372868] R13: 000000000000000b R14: 00007ffc89220318 R15: 00000000033e2800
>[13356.090567] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13372.089650] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13388.089603] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13404.089680] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13420.090642] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13436.089666] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13452.089672] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13468.089732] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13471.921794] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[13471.921800] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[13471.921804] CPU: 1 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[13471.921807] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[13471.921808] Call Trace:
>[13471.921815]  dump_stack+0x85/0xbf
>[13471.921820]  swiotlb_alloc_coherent+0x1be/0x1d0
>[13471.921827]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[13471.921834]  ttm_dma_populate+0x25e/0x350 [ttm]
>[13471.921840]  ttm_tt_bind+0x2c/0x60 [ttm]
>[13471.921844]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[13471.921850]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[13471.921854]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[13471.921859]  ? mutex_trylock+0xcd/0xe0
>[13471.921862]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[13471.921866]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[13471.921901]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[13471.921929]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[13471.921961]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[13471.921994]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[13471.922025]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13471.922051]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[13471.922058]  ? __might_fault+0x3e/0x90
>[13471.922085]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13471.922101]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[13471.922113]  drm_ioctl+0x2d5/0x370 [drm]
>[13471.922139]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13471.922168]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[13471.922174]  do_vfs_ioctl+0xa5/0x6e0
>[13471.922180]  SyS_ioctl+0x74/0x80
>[13471.922186]  do_syscall_64+0x79/0x220
>[13471.922191]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[13471.922195] RIP: 0033:0x7f6f9ac700f7
>[13471.922198] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[13471.922201] RAX: ffffffffffffffda RBX: 000055d0aa5ff6b0 RCX: 00007f6f9ac700f7
>[13471.922204] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[13471.922207] RBP: 00007ffd10a897b0 R08: 000055d0aa5ff6b0 R09: 0000000000000004
>[13471.922209] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[13471.922211] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0a918f860
>[13472.003609] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[13472.003615] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[13472.003619] CPU: 6 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[13472.003622] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[13472.003624] Call Trace:
>[13472.003632]  dump_stack+0x85/0xbf
>[13472.003637]  swiotlb_alloc_coherent+0x1be/0x1d0
>[13472.003647]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[13472.003658]  ttm_dma_populate+0x25e/0x350 [ttm]
>[13472.003666]  ttm_tt_bind+0x2c/0x60 [ttm]
>[13472.003673]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[13472.003681]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[13472.003687]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[13472.003693]  ? mutex_trylock+0xcd/0xe0
>[13472.003698]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[13472.003704]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[13472.003743]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[13472.003775]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[13472.003809]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[13472.003839]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[13472.003869]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13472.003895]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[13472.003902]  ? __might_fault+0x3e/0x90
>[13472.003929]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13472.003945]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[13472.003957]  drm_ioctl+0x2d5/0x370 [drm]
>[13472.003983]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13472.004014]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[13472.004022]  do_vfs_ioctl+0xa5/0x6e0
>[13472.004030]  SyS_ioctl+0x74/0x80
>[13472.004037]  do_syscall_64+0x79/0x220
>[13472.004042]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[13472.004046] RIP: 0033:0x7f6f9ac700f7
>[13472.004049] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[13472.004053] RAX: ffffffffffffffda RBX: 000055d0a35dd2b0 RCX: 00007f6f9ac700f7
>[13472.004056] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[13472.004058] RBP: 00007ffd10a897b0 R08: 000055d0a35dd2b0 R09: 0000000000000004
>[13472.004060] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[13472.004063] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ab12ef80
>[13475.817333] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[13475.817337] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[13475.817340] CPU: 2 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[13475.817342] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[13475.817344] Call Trace:
>[13475.817351]  dump_stack+0x85/0xbf
>[13475.817356]  swiotlb_alloc_coherent+0x1be/0x1d0
>[13475.817363]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[13475.817370]  ttm_dma_populate+0x25e/0x350 [ttm]
>[13475.817375]  ttm_tt_bind+0x2c/0x60 [ttm]
>[13475.817379]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[13475.817386]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[13475.817390]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[13475.817395]  ? mutex_trylock+0xcd/0xe0
>[13475.817398]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[13475.817402]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[13475.817441]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[13475.817470]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[13475.817499]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[13475.817528]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[13475.817555]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13475.817579]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[13475.817585]  ? __might_fault+0x3e/0x90
>[13475.817610]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13475.817626]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[13475.817636]  drm_ioctl+0x2d5/0x370 [drm]
>[13475.817660]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13475.817686]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[13475.817712]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[13475.817716]  compat_SyS_ioctl+0x6db/0x1ca0
>[13475.817720]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[13475.817724]  do_fast_syscall_32+0xbf/0x376
>[13475.817728]  entry_SYSENTER_compat+0x84/0x96
>[13484.090707] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13500.091720] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13516.091745] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13532.091759] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13548.091846] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13564.090807] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13580.093819] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13596.091859] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13612.091856] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13628.090891] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13644.091885] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13660.090923] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13676.091928] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13691.672731] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[13691.672737] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[13691.672741] CPU: 4 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[13691.672744] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[13691.672747] Call Trace:
>[13691.672757]  dump_stack+0x85/0xbf
>[13691.672764]  swiotlb_alloc_coherent+0x1be/0x1d0
>[13691.672776]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[13691.672787]  ttm_dma_populate+0x25e/0x350 [ttm]
>[13691.672794]  ttm_tt_bind+0x2c/0x60 [ttm]
>[13691.672800]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[13691.672809]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[13691.672815]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[13691.672822]  ? mutex_trylock+0xcd/0xe0
>[13691.672828]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[13691.672834]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[13691.672880]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[13691.672911]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[13691.672943]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[13691.672976]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[13691.673007]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13691.673032]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[13691.673039]  ? __might_fault+0x3e/0x90
>[13691.673065]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13691.673081]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[13691.673092]  drm_ioctl+0x2d5/0x370 [drm]
>[13691.673119]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13691.673151]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[13691.673185]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[13691.673190]  compat_SyS_ioctl+0x6db/0x1ca0
>[13691.673194]  ? task_work_run+0x73/0xb0
>[13691.673199]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[13691.673203]  do_fast_syscall_32+0xbf/0x376
>[13691.673209]  entry_SYSENTER_compat+0x84/0x96
>[13692.090964] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13708.090961] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13724.090984] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13735.841992] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[13735.841998] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[13735.842002] CPU: 1 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[13735.842005] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[13735.842008] Call Trace:
>[13735.842017]  dump_stack+0x85/0xbf
>[13735.842023]  swiotlb_alloc_coherent+0x1be/0x1d0
>[13735.842033]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[13735.842043]  ttm_dma_populate+0x25e/0x350 [ttm]
>[13735.842051]  ttm_tt_bind+0x2c/0x60 [ttm]
>[13735.842057]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[13735.842065]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[13735.842070]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[13735.842077]  ? mutex_trylock+0xcd/0xe0
>[13735.842082]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[13735.842087]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[13735.842124]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[13735.842153]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[13735.842184]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[13735.842227]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[13735.842257]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13735.842283]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[13735.842290]  ? __might_fault+0x3e/0x90
>[13735.842324]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13735.842338]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[13735.842350]  drm_ioctl+0x2d5/0x370 [drm]
>[13735.842374]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13735.842402]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[13735.842435]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[13735.842441]  compat_SyS_ioctl+0x6db/0x1ca0
>[13735.842446]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[13735.842451]  do_fast_syscall_32+0xbf/0x376
>[13735.842456]  entry_SYSENTER_compat+0x84/0x96
>[13735.854494] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[13735.854499] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[13735.854502] CPU: 4 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[13735.854504] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[13735.854506] Call Trace:
>[13735.854512]  dump_stack+0x85/0xbf
>[13735.854517]  swiotlb_alloc_coherent+0x1be/0x1d0
>[13735.854525]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[13735.854532]  ttm_dma_populate+0x25e/0x350 [ttm]
>[13735.854537]  ttm_tt_bind+0x2c/0x60 [ttm]
>[13735.854541]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[13735.854548]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[13735.854552]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[13735.854558]  ? mutex_trylock+0xcd/0xe0
>[13735.854561]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[13735.854565]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[13735.854601]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[13735.854628]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[13735.854652]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[13735.854675]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[13735.854698]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13735.854715]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[13735.854721]  ? __might_fault+0x3e/0x90
>[13735.854739]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13735.854751]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[13735.854759]  drm_ioctl+0x2d5/0x370 [drm]
>[13735.854776]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13735.854796]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[13735.854822]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[13735.854826]  compat_SyS_ioctl+0x6db/0x1ca0
>[13735.854831]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[13735.854834]  do_fast_syscall_32+0xbf/0x376
>[13735.854838]  entry_SYSENTER_compat+0x84/0x96
>[13740.092007] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13756.092025] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13756.659030] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[13756.659036] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[13756.659040] CPU: 3 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[13756.659043] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[13756.659045] Call Trace:
>[13756.659053]  dump_stack+0x85/0xbf
>[13756.659059]  swiotlb_alloc_coherent+0x1be/0x1d0
>[13756.659069]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[13756.659077]  ttm_dma_populate+0x25e/0x350 [ttm]
>[13756.659081]  ttm_tt_bind+0x2c/0x60 [ttm]
>[13756.659086]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[13756.659092]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[13756.659095]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[13756.659100]  ? mutex_trylock+0xcd/0xe0
>[13756.659103]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[13756.659108]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[13756.659145]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[13756.659177]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[13756.659208]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[13756.659238]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[13756.659268]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13756.659287]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[13756.659293]  ? __might_fault+0x3e/0x90
>[13756.659311]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13756.659323]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[13756.659331]  drm_ioctl+0x2d5/0x370 [drm]
>[13756.659348]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13756.659366]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[13756.659392]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[13756.659396]  compat_SyS_ioctl+0x6db/0x1ca0
>[13756.659399]  ? task_work_run+0x73/0xb0
>[13756.659403]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[13756.659406]  do_fast_syscall_32+0xbf/0x376
>[13756.659410]  entry_SYSENTER_compat+0x84/0x96
>[13756.788576] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[13756.788582] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[13756.788587] CPU: 4 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[13756.788589] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[13756.788592] Call Trace:
>[13756.788600]  dump_stack+0x85/0xbf
>[13756.788606]  swiotlb_alloc_coherent+0x1be/0x1d0
>[13756.788617]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[13756.788627]  ttm_dma_populate+0x25e/0x350 [ttm]
>[13756.788633]  ttm_tt_bind+0x2c/0x60 [ttm]
>[13756.788639]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[13756.788648]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[13756.788653]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[13756.788659]  ? mutex_trylock+0xcd/0xe0
>[13756.788663]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[13756.788669]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[13756.788707]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[13756.788734]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[13756.788757]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[13756.788779]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[13756.788799]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13756.788817]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[13756.788822]  ? __might_fault+0x3e/0x90
>[13756.788840]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13756.788851]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[13756.788859]  drm_ioctl+0x2d5/0x370 [drm]
>[13756.788876]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13756.788894]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[13756.788900]  do_vfs_ioctl+0xa5/0x6e0
>[13756.788904]  SyS_ioctl+0x74/0x80
>[13756.788909]  do_syscall_64+0x79/0x220
>[13756.788912]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[13756.788915] RIP: 0033:0x7f6f9ac700f7
>[13756.788916] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[13756.788919] RAX: ffffffffffffffda RBX: 000055d0abf5a550 RCX: 00007f6f9ac700f7
>[13756.788920] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[13756.788922] RBP: 00007ffd10a897b0 R08: 000055d0abf5a550 R09: 0000000000000004
>[13756.788924] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[13756.788925] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0abe7ea60
>[13772.093026] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13788.093072] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13804.093086] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13820.093106] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13836.093134] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13852.093121] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13868.093154] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13884.090173] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13900.092174] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13916.092207] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13924.306878] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[13924.306883] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[13924.306886] CPU: 2 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[13924.306888] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[13924.306891] Call Trace:
>[13924.306898]  dump_stack+0x85/0xbf
>[13924.306903]  swiotlb_alloc_coherent+0x1be/0x1d0
>[13924.306912]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[13924.306921]  ttm_dma_populate+0x25e/0x350 [ttm]
>[13924.306927]  ttm_tt_bind+0x2c/0x60 [ttm]
>[13924.306950]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[13924.306959]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[13924.306973]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[13924.306980]  ? mutex_trylock+0xcd/0xe0
>[13924.306985]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[13924.306990]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[13924.307032]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[13924.307060]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[13924.307090]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[13924.307118]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[13924.307147]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13924.307171]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[13924.307177]  ? __might_fault+0x3e/0x90
>[13924.307202]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13924.307216]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[13924.307226]  drm_ioctl+0x2d5/0x370 [drm]
>[13924.307251]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13924.307278]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[13924.307284]  do_vfs_ioctl+0xa5/0x6e0
>[13924.307290]  SyS_ioctl+0x74/0x80
>[13924.307296]  do_syscall_64+0x79/0x220
>[13924.307300]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[13924.307304] RIP: 0033:0x7f6f9ac700f7
>[13924.307306] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[13924.307310] RAX: ffffffffffffffda RBX: 000055d0ac03d270 RCX: 00007f6f9ac700f7
>[13924.307312] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[13924.307315] RBP: 00007ffd10a897b0 R08: 000055d0ac03d270 R09: 0000000000000004
>[13924.307317] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[13924.307330] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0abfeea40
>[13924.961949] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[13924.961954] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[13924.961958] CPU: 7 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[13924.961961] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[13924.961964] Call Trace:
>[13924.961971]  dump_stack+0x85/0xbf
>[13924.961976]  swiotlb_alloc_coherent+0x1be/0x1d0
>[13924.961984]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[13924.961991]  ttm_dma_populate+0x25e/0x350 [ttm]
>[13924.961996]  ttm_tt_bind+0x2c/0x60 [ttm]
>[13924.962000]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[13924.962007]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[13924.962010]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[13924.962016]  ? mutex_trylock+0xcd/0xe0
>[13924.962019]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[13924.962023]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[13924.962054]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[13924.962076]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[13924.962099]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[13924.962104]  ? lock_acquire+0x9f/0x200
>[13924.962125]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[13924.962145]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13924.962164]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[13924.962169]  ? __might_fault+0x3e/0x90
>[13924.962194]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13924.962208]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[13924.962218]  drm_ioctl+0x2d5/0x370 [drm]
>[13924.962242]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13924.962265]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[13924.962271]  do_vfs_ioctl+0xa5/0x6e0
>[13924.962276]  SyS_ioctl+0x74/0x80
>[13924.962281]  do_syscall_64+0x79/0x220
>[13924.962285]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[13924.962288] RIP: 0033:0x7f6f9ac700f7
>[13924.962290] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[13924.962293] RAX: ffffffffffffffda RBX: 000055d0ac462a20 RCX: 00007f6f9ac700f7
>[13924.962295] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[13924.962297] RBP: 00007ffd10a897b0 R08: 000055d0ac462a20 R09: 00007f6f9af353b0
>[13924.962299] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[13924.962301] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ac462950
>[13927.262866] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[13927.262872] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[13927.262876] CPU: 7 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[13927.262878] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[13927.262881] Call Trace:
>[13927.262889]  dump_stack+0x85/0xbf
>[13927.262895]  swiotlb_alloc_coherent+0x1be/0x1d0
>[13927.262906]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[13927.262915]  ttm_dma_populate+0x25e/0x350 [ttm]
>[13927.262922]  ttm_tt_bind+0x2c/0x60 [ttm]
>[13927.262928]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[13927.262936]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[13927.262941]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[13927.262948]  ? mutex_trylock+0xcd/0xe0
>[13927.262952]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[13927.262958]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[13927.263003]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[13927.263032]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[13927.263060]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[13927.263090]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[13927.263119]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13927.263144]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[13927.263150]  ? __might_fault+0x3e/0x90
>[13927.263176]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13927.263194]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[13927.263205]  drm_ioctl+0x2d5/0x370 [drm]
>[13927.263233]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13927.263261]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[13927.263268]  do_vfs_ioctl+0xa5/0x6e0
>[13927.263275]  SyS_ioctl+0x74/0x80
>[13927.263280]  do_syscall_64+0x79/0x220
>[13927.263284]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[13927.263288] RIP: 0033:0x7f6f9ac700f7
>[13927.263290] RSP: 002b:00007ffd10a896d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[13927.263294] RAX: ffffffffffffffda RBX: 000055d0ac462a20 RCX: 00007f6f9ac700f7
>[13927.263296] RDX: 00007ffd10a89720 RSI: 00000000c0206440 RDI: 000000000000000c
>[13927.263298] RBP: 00007ffd10a89720 R08: 000055d0ac462a20 R09: 0000000000000004
>[13927.263300] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[13927.263302] R13: 000000000000000c R14: 00007ffd10a897b8 R15: 000055d0ac4a8290
>[13927.276297] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[13927.276303] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[13927.276307] CPU: 7 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[13927.276310] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[13927.276312] Call Trace:
>[13927.276321]  dump_stack+0x85/0xbf
>[13927.276327]  swiotlb_alloc_coherent+0x1be/0x1d0
>[13927.276337]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[13927.276347]  ttm_dma_populate+0x25e/0x350 [ttm]
>[13927.276354]  ttm_tt_bind+0x2c/0x60 [ttm]
>[13927.276360]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[13927.276369]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[13927.276374]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[13927.276381]  ? mutex_trylock+0xcd/0xe0
>[13927.276385]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[13927.276391]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[13927.276429]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[13927.276457]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[13927.276487]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[13927.276517]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[13927.276546]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13927.276571]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[13927.276577]  ? __might_fault+0x3e/0x90
>[13927.276604]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13927.276619]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[13927.276630]  drm_ioctl+0x2d5/0x370 [drm]
>[13927.276655]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13927.276695]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[13927.276702]  do_vfs_ioctl+0xa5/0x6e0
>[13927.276710]  SyS_ioctl+0x74/0x80
>[13927.276716]  do_syscall_64+0x79/0x220
>[13927.276721]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[13927.276724] RIP: 0033:0x7f6f9ac700f7
>[13927.276727] RSP: 002b:00007ffd10a896d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[13927.276732] RAX: ffffffffffffffda RBX: 000055d0ac462a20 RCX: 00007f6f9ac700f7
>[13927.276735] RDX: 00007ffd10a89720 RSI: 00000000c0206440 RDI: 000000000000000c
>[13927.276737] RBP: 00007ffd10a89720 R08: 000055d0ac462a20 R09: 0000000000000004
>[13927.276740] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[13927.276743] R13: 000000000000000c R14: 00007ffd10a897b8 R15: 000055d0ac4a8290
>[13932.093217] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13948.092246] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13964.092271] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13973.290069] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[13973.290073] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[13973.290075] CPU: 1 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[13973.290077] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[13973.290079] Call Trace:
>[13973.290084]  dump_stack+0x85/0xbf
>[13973.290089]  swiotlb_alloc_coherent+0x1be/0x1d0
>[13973.290096]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[13973.290102]  ttm_dma_populate+0x25e/0x350 [ttm]
>[13973.290107]  ttm_tt_bind+0x2c/0x60 [ttm]
>[13973.290111]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[13973.290116]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[13973.290119]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[13973.290124]  ? mutex_trylock+0xcd/0xe0
>[13973.290127]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[13973.290130]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[13973.290162]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[13973.290191]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[13973.290211]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[13973.290233]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[13973.290253]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13973.290271]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[13973.290276]  ? __might_fault+0x3e/0x90
>[13973.290294]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13973.290305]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[13973.290312]  drm_ioctl+0x2d5/0x370 [drm]
>[13973.290329]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13973.290347]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[13973.290352]  do_vfs_ioctl+0xa5/0x6e0
>[13973.290356]  SyS_ioctl+0x74/0x80
>[13973.290361]  do_syscall_64+0x79/0x220
>[13973.290364]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[13973.290366] RIP: 0033:0x7f6f9ac700f7
>[13973.290368] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[13973.290371] RAX: ffffffffffffffda RBX: 000055d0ac24a9c0 RCX: 00007f6f9ac700f7
>[13973.290372] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[13973.290374] RBP: 00007ffd10a897b0 R08: 000055d0ac24a9c0 R09: 0000000000000004
>[13973.290375] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[13973.290377] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ac5eb640
>[13973.368856] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[13973.368862] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[13973.368867] CPU: 6 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[13973.368869] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[13973.368872] Call Trace:
>[13973.368880]  dump_stack+0x85/0xbf
>[13973.368886]  swiotlb_alloc_coherent+0x1be/0x1d0
>[13973.368896]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[13973.368906]  ttm_dma_populate+0x25e/0x350 [ttm]
>[13973.368914]  ttm_tt_bind+0x2c/0x60 [ttm]
>[13973.368919]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[13973.368928]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[13973.368933]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[13973.368940]  ? mutex_trylock+0xcd/0xe0
>[13973.368945]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[13973.368951]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[13973.368989]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[13973.369020]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[13973.369052]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[13973.369083]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[13973.369113]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13973.369138]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[13973.369145]  ? __might_fault+0x3e/0x90
>[13973.369173]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13973.369186]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[13973.369198]  drm_ioctl+0x2d5/0x370 [drm]
>[13973.369226]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13973.369255]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[13973.369262]  do_vfs_ioctl+0xa5/0x6e0
>[13973.369269]  SyS_ioctl+0x74/0x80
>[13973.369275]  do_syscall_64+0x79/0x220
>[13973.369280]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[13973.369283] RIP: 0033:0x7f6f9ac700f7
>[13973.369286] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[13973.369290] RAX: ffffffffffffffda RBX: 000055d0ac1b6130 RCX: 00007f6f9ac700f7
>[13973.369293] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[13973.369295] RBP: 00007ffd10a897b0 R08: 000055d0ac1b6130 R09: 0000000000000004
>[13973.369298] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[13973.369301] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ac127640
>[13973.405766] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[13973.405772] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[13973.405776] CPU: 0 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[13973.405779] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[13973.405782] Call Trace:
>[13973.405792]  dump_stack+0x85/0xbf
>[13973.405799]  swiotlb_alloc_coherent+0x1be/0x1d0
>[13973.405810]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[13973.405822]  ttm_dma_populate+0x25e/0x350 [ttm]
>[13973.405831]  ttm_tt_bind+0x2c/0x60 [ttm]
>[13973.405837]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[13973.405847]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[13973.405853]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[13973.405861]  ? mutex_trylock+0xcd/0xe0
>[13973.405866]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[13973.405873]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[13973.405912]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[13973.405948]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[13973.405984]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[13973.405991]  ? debug_object_free+0x4c/0x130
>[13973.406023]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[13973.406056]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13973.406084]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[13973.406091]  ? __might_fault+0x3e/0x90
>[13973.406119]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13973.406134]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[13973.406148]  drm_ioctl+0x2d5/0x370 [drm]
>[13973.406175]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13973.406207]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[13973.406243]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[13973.406248]  compat_SyS_ioctl+0x6db/0x1ca0
>[13973.406254]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[13973.406260]  do_fast_syscall_32+0xbf/0x376
>[13973.406267]  entry_SYSENTER_compat+0x84/0x96
>[13974.326110] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[13974.326114] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[13974.326117] CPU: 5 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[13974.326118] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[13974.326120] Call Trace:
>[13974.326126]  dump_stack+0x85/0xbf
>[13974.326130]  swiotlb_alloc_coherent+0x1be/0x1d0
>[13974.326137]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[13974.326143]  ttm_dma_populate+0x25e/0x350 [ttm]
>[13974.326148]  ttm_tt_bind+0x2c/0x60 [ttm]
>[13974.326152]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[13974.326157]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[13974.326160]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[13974.326166]  ? mutex_trylock+0xcd/0xe0
>[13974.326171]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[13974.326175]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[13974.326211]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[13974.326230]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[13974.326248]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[13974.326252]  ? debug_object_free+0x4c/0x130
>[13974.326274]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[13974.326300]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13974.326317]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[13974.326322]  ? __might_fault+0x3e/0x90
>[13974.326339]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13974.326352]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[13974.326358]  drm_ioctl+0x2d5/0x370 [drm]
>[13974.326374]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13974.326392]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[13974.326417]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[13974.326421]  compat_SyS_ioctl+0x6db/0x1ca0
>[13974.326425]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[13974.326428]  do_fast_syscall_32+0xbf/0x376
>[13974.326432]  entry_SYSENTER_compat+0x84/0x96
>[13974.341811] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[13974.341815] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[13974.341817] CPU: 1 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[13974.341819] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[13974.341820] Call Trace:
>[13974.341827]  dump_stack+0x85/0xbf
>[13974.341831]  swiotlb_alloc_coherent+0x1be/0x1d0
>[13974.341838]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[13974.341844]  ttm_dma_populate+0x25e/0x350 [ttm]
>[13974.341848]  ttm_tt_bind+0x2c/0x60 [ttm]
>[13974.341852]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[13974.341857]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[13974.341861]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[13974.341865]  ? mutex_trylock+0xcd/0xe0
>[13974.341868]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[13974.341872]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[13974.341902]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[13974.341924]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[13974.341943]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[13974.341947]  ? debug_object_free+0x4c/0x130
>[13974.341977]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[13974.341997]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13974.342014]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[13974.342019]  ? __might_fault+0x3e/0x90
>[13974.342037]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13974.342049]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[13974.342057]  drm_ioctl+0x2d5/0x370 [drm]
>[13974.342073]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[13974.342092]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[13974.342118]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[13974.342121]  compat_SyS_ioctl+0x6db/0x1ca0
>[13974.342126]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[13974.342129]  do_fast_syscall_32+0xbf/0x376
>[13974.342133]  entry_SYSENTER_compat+0x84/0x96
>[13980.092276] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[13982.395295] Process accounting resumed
>[13996.093306] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14012.093298] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14025.626251] swiotlb_tbl_map_single: 4 callbacks suppressed
>[14025.626254] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14025.626260] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14025.626273] CPU: 1 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14025.626276] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14025.626278] Call Trace:
>[14025.626286]  dump_stack+0x85/0xbf
>[14025.626292]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14025.626302]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14025.626311]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14025.626318]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14025.626324]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14025.626332]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14025.626337]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14025.626342]  ? mutex_trylock+0xcd/0xe0
>[14025.626346]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14025.626349]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14025.626387]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14025.626415]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14025.626446]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14025.626453]  ? debug_object_free+0x4c/0x130
>[14025.626480]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14025.626509]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14025.626532]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14025.626539]  ? __might_fault+0x3e/0x90
>[14025.626564]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14025.626590]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14025.626601]  drm_ioctl+0x2d5/0x370 [drm]
>[14025.626625]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14025.626652]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14025.626685]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14025.626690]  compat_SyS_ioctl+0x6db/0x1ca0
>[14025.626695]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14025.626699]  do_fast_syscall_32+0xbf/0x376
>[14025.626703]  entry_SYSENTER_compat+0x84/0x96
>[14028.093330] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14035.300598] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14035.300602] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14035.300605] CPU: 4 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14035.300607] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14035.300609] Call Trace:
>[14035.300616]  dump_stack+0x85/0xbf
>[14035.300621]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14035.300630]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14035.300640]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14035.300647]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14035.300653]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14035.300661]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14035.300666]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14035.300672]  ? mutex_trylock+0xcd/0xe0
>[14035.300677]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14035.300683]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14035.300720]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14035.300752]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14035.300775]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14035.300797]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14035.300817]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14035.300835]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14035.300840]  ? __might_fault+0x3e/0x90
>[14035.300858]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14035.300869]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14035.300876]  drm_ioctl+0x2d5/0x370 [drm]
>[14035.300893]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14035.300913]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14035.300938]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14035.300942]  compat_SyS_ioctl+0x6db/0x1ca0
>[14035.300946]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14035.300949]  do_fast_syscall_32+0xbf/0x376
>[14035.300953]  entry_SYSENTER_compat+0x84/0x96
>[14036.265982] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14036.265988] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14036.265992] CPU: 5 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14036.265995] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14036.265997] Call Trace:
>[14036.266005]  dump_stack+0x85/0xbf
>[14036.266011]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14036.266021]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14036.266031]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14036.266039]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14036.266044]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14036.266053]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14036.266058]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14036.266064]  ? mutex_trylock+0xcd/0xe0
>[14036.266069]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14036.266074]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14036.266111]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14036.266142]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14036.266174]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14036.266216]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14036.266259]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14036.266286]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14036.266293]  ? __might_fault+0x3e/0x90
>[14036.266321]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14036.266337]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14036.266349]  drm_ioctl+0x2d5/0x370 [drm]
>[14036.266377]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14036.266408]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14036.266414]  do_vfs_ioctl+0xa5/0x6e0
>[14036.266421]  SyS_ioctl+0x74/0x80
>[14036.266427]  do_syscall_64+0x79/0x220
>[14036.266432]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14036.266436] RIP: 0033:0x7f07d78580f7
>[14036.266439] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14036.266443] RAX: ffffffffffffffda RBX: 00000000032bb1a0 RCX: 00007f07d78580f7
>[14036.266445] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14036.266448] RBP: 00007ffc892203c0 R08: 00000000032bb1a0 R09: 0000000000000004
>[14036.266450] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14036.266453] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000033e0740
>[14036.281579] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14036.281585] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14036.281588] CPU: 5 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14036.281591] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14036.281593] Call Trace:
>[14036.281601]  dump_stack+0x85/0xbf
>[14036.281608]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14036.281618]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14036.281626]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14036.281633]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14036.281639]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14036.281647]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14036.281651]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14036.281657]  ? mutex_trylock+0xcd/0xe0
>[14036.281661]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14036.281666]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14036.281705]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14036.281735]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14036.281764]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14036.281792]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14036.281819]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14036.281844]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14036.281851]  ? __might_fault+0x3e/0x90
>[14036.281876]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14036.281889]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14036.281900]  drm_ioctl+0x2d5/0x370 [drm]
>[14036.281923]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14036.281950]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14036.281956]  do_vfs_ioctl+0xa5/0x6e0
>[14036.281963]  SyS_ioctl+0x74/0x80
>[14036.281969]  do_syscall_64+0x79/0x220
>[14036.281974]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14036.281977] RIP: 0033:0x7f07d78580f7
>[14036.281980] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14036.281984] RAX: ffffffffffffffda RBX: 00000000032bb1a0 RCX: 00007f07d78580f7
>[14036.281987] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14036.281989] RBP: 00007ffc892203c0 R08: 00000000032bb1a0 R09: 0000000000000004
>[14036.281992] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14036.281994] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000033e0740
>[14039.854607] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14039.854614] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14039.854618] CPU: 0 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14039.854620] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14039.854623] Call Trace:
>[14039.854632]  dump_stack+0x85/0xbf
>[14039.854638]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14039.854648]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14039.854659]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14039.854666]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14039.854672]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14039.854681]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14039.854686]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14039.854692]  ? mutex_trylock+0xcd/0xe0
>[14039.854697]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14039.854703]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14039.854739]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14039.854772]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14039.854807]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14039.854840]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14039.854872]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14039.854899]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14039.854906]  ? __might_fault+0x3e/0x90
>[14039.854933]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14039.854948]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14039.854961]  drm_ioctl+0x2d5/0x370 [drm]
>[14039.854987]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14039.855017]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14039.855053]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14039.855058]  compat_SyS_ioctl+0x6db/0x1ca0
>[14039.855064]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14039.855068]  do_fast_syscall_32+0xbf/0x376
>[14039.855074]  entry_SYSENTER_compat+0x84/0x96
>[14040.495022] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14040.495028] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14040.495032] CPU: 0 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14040.495034] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14040.495036] Call Trace:
>[14040.495043]  dump_stack+0x85/0xbf
>[14040.495049]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14040.495058]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14040.495067]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14040.495074]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14040.495080]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14040.495088]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14040.495093]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14040.495099]  ? mutex_trylock+0xcd/0xe0
>[14040.495104]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14040.495109]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14040.495147]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14040.495176]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14040.495206]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14040.495212]  ? lock_acquire+0x9f/0x200
>[14040.495239]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14040.495266]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14040.495292]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14040.495298]  ? __might_fault+0x3e/0x90
>[14040.495324]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14040.495338]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14040.495349]  drm_ioctl+0x2d5/0x370 [drm]
>[14040.495373]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14040.495400]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14040.495406]  do_vfs_ioctl+0xa5/0x6e0
>[14040.495412]  SyS_ioctl+0x74/0x80
>[14040.495417]  do_syscall_64+0x79/0x220
>[14040.495422]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14040.495425] RIP: 0033:0x7f07d78580f7
>[14040.495427] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14040.495431] RAX: ffffffffffffffda RBX: 00000000034ef600 RCX: 00007f07d78580f7
>[14040.495433] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14040.495435] RBP: 00007ffc892203c0 R08: 00000000034ef600 R09: 00007f07d7b1ccc0
>[14040.495437] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14040.495439] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000032ecd00
>[14044.093357] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14045.273620] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14045.273626] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14045.273630] CPU: 7 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14045.273633] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14045.273636] Call Trace:
>[14045.273644]  dump_stack+0x85/0xbf
>[14045.273650]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14045.273661]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14045.273672]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14045.273680]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14045.273686]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14045.273695]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14045.273700]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14045.273706]  ? mutex_trylock+0xcd/0xe0
>[14045.273711]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14045.273716]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14045.273760]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14045.273793]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14045.273825]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14045.273831]  ? debug_object_free+0x4c/0x130
>[14045.273860]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14045.273890]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14045.273916]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14045.273922]  ? __might_fault+0x3e/0x90
>[14045.273950]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14045.273966]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14045.273977]  drm_ioctl+0x2d5/0x370 [drm]
>[14045.274002]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14045.274030]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14045.274065]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14045.274070]  compat_SyS_ioctl+0x6db/0x1ca0
>[14045.274075]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14045.274080]  do_fast_syscall_32+0xbf/0x376
>[14045.274085]  entry_SYSENTER_compat+0x84/0x96
>[14045.666248] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14045.666254] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14045.666258] CPU: 7 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14045.666261] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14045.666263] Call Trace:
>[14045.666271]  dump_stack+0x85/0xbf
>[14045.666277]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14045.666287]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14045.666296]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14045.666303]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14045.666310]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14045.666320]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14045.666325]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14045.666332]  ? mutex_trylock+0xcd/0xe0
>[14045.666337]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14045.666343]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14045.666384]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14045.666414]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14045.666443]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14045.666473]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14045.666501]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14045.666526]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14045.666533]  ? __might_fault+0x3e/0x90
>[14045.666559]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14045.666573]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14045.666584]  drm_ioctl+0x2d5/0x370 [drm]
>[14045.666611]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14045.666641]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14045.666676]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14045.666682]  compat_SyS_ioctl+0x6db/0x1ca0
>[14045.666686]  ? task_work_run+0x73/0xb0
>[14045.666692]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14045.666697]  do_fast_syscall_32+0xbf/0x376
>[14045.666702]  entry_SYSENTER_compat+0x84/0x96
>[14050.257532] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14050.257544] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14050.257547] CPU: 5 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14050.257548] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14050.257550] Call Trace:
>[14050.257557]  dump_stack+0x85/0xbf
>[14050.257561]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14050.257570]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14050.257576]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14050.257581]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14050.257585]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14050.257591]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14050.257595]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14050.257599]  ? mutex_trylock+0xcd/0xe0
>[14050.257602]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14050.257606]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14050.257645]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14050.257673]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14050.257697]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14050.257720]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14050.257743]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14050.257760]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14050.257766]  ? __might_fault+0x3e/0x90
>[14050.257784]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14050.257799]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14050.257808]  drm_ioctl+0x2d5/0x370 [drm]
>[14050.257824]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14050.257843]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14050.257870]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14050.257874]  compat_SyS_ioctl+0x6db/0x1ca0
>[14050.257878]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14050.257882]  do_fast_syscall_32+0xbf/0x376
>[14050.257886]  entry_SYSENTER_compat+0x84/0x96
>[14060.094359] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14060.307126] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14060.307130] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14060.307133] CPU: 1 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14060.307135] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14060.307136] Call Trace:
>[14060.307143]  dump_stack+0x85/0xbf
>[14060.307147]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14060.307155]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14060.307162]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14060.307166]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14060.307170]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14060.307176]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14060.307179]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14060.307184]  ? mutex_trylock+0xcd/0xe0
>[14060.307187]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14060.307191]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14060.307224]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14060.307246]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14060.307268]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14060.307273]  ? debug_object_free+0x4c/0x130
>[14060.307299]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14060.307326]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14060.307350]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14060.307357]  ? __might_fault+0x3e/0x90
>[14060.307384]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14060.307396]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14060.307405]  drm_ioctl+0x2d5/0x370 [drm]
>[14060.307422]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14060.307441]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14060.307467]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14060.307471]  compat_SyS_ioctl+0x6db/0x1ca0
>[14060.307476]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14060.307480]  do_fast_syscall_32+0xbf/0x376
>[14060.307485]  entry_SYSENTER_compat+0x84/0x96
>[14060.782384] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14060.782390] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14060.782393] CPU: 2 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14060.782396] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14060.782398] Call Trace:
>[14060.782405]  dump_stack+0x85/0xbf
>[14060.782410]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14060.782423]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14060.782435]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14060.782443]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14060.782449]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14060.782459]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14060.782465]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14060.782471]  ? mutex_trylock+0xcd/0xe0
>[14060.782475]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14060.782480]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14060.782515]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14060.782544]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14060.782572]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14060.782612]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14060.782640]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14060.782666]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14060.782674]  ? __might_fault+0x3e/0x90
>[14060.782699]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14060.782713]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14060.782724]  drm_ioctl+0x2d5/0x370 [drm]
>[14060.782742]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14060.782760]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14060.782785]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14060.782789]  compat_SyS_ioctl+0x6db/0x1ca0
>[14060.782792]  ? task_work_run+0x73/0xb0
>[14060.782796]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14060.782799]  do_fast_syscall_32+0xbf/0x376
>[14060.782802]  entry_SYSENTER_compat+0x84/0x96
>[14076.094409] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14092.094413] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14099.838877] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14099.838882] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14099.838885] CPU: 1 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14099.838886] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14099.838888] Call Trace:
>[14099.838894]  dump_stack+0x85/0xbf
>[14099.838899]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14099.838908]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14099.838915]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14099.838920]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14099.838925]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14099.838931]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14099.838934]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14099.838939]  ? mutex_trylock+0xcd/0xe0
>[14099.838942]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14099.838946]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14099.838978]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14099.839004]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14099.839027]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14099.839054]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14099.839090]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14099.839108]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14099.839114]  ? __might_fault+0x3e/0x90
>[14099.839131]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14099.839143]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14099.839153]  drm_ioctl+0x2d5/0x370 [drm]
>[14099.839175]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14099.839195]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14099.839220]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14099.839224]  compat_SyS_ioctl+0x6db/0x1ca0
>[14099.839228]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14099.839231]  do_fast_syscall_32+0xbf/0x376
>[14099.839234]  entry_SYSENTER_compat+0x84/0x96
>[14099.904895] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14099.904899] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14099.904903] CPU: 6 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14099.904905] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14099.904907] Call Trace:
>[14099.904913]  dump_stack+0x85/0xbf
>[14099.904918]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14099.904926]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14099.904933]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14099.904938]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14099.904942]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14099.904948]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14099.904952]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14099.904957]  ? mutex_trylock+0xcd/0xe0
>[14099.904960]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14099.904965]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14099.905004]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14099.905031]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14099.905053]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14099.905076]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14099.905098]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14099.905116]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14099.905122]  ? __might_fault+0x3e/0x90
>[14099.905140]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14099.905154]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14099.905161]  drm_ioctl+0x2d5/0x370 [drm]
>[14099.905177]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14099.905197]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14099.905223]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14099.905227]  compat_SyS_ioctl+0x6db/0x1ca0
>[14099.905232]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14099.905236]  do_fast_syscall_32+0xbf/0x376
>[14099.905240]  entry_SYSENTER_compat+0x84/0x96
>[14104.849982] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14104.849987] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14104.849989] CPU: 6 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14104.849991] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14104.849992] Call Trace:
>[14104.849999]  dump_stack+0x85/0xbf
>[14104.850003]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14104.850010]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14104.850016]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14104.850020]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14104.850023]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14104.850029]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14104.850032]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14104.850036]  ? mutex_trylock+0xcd/0xe0
>[14104.850039]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14104.850043]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14104.850072]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14104.850090]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14104.850107]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14104.850111]  ? debug_object_free+0x4c/0x130
>[14104.850128]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14104.850146]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14104.850161]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14104.850165]  ? __might_fault+0x3e/0x90
>[14104.850181]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14104.850192]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14104.850199]  drm_ioctl+0x2d5/0x370 [drm]
>[14104.850214]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14104.850232]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14104.850255]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14104.850259]  compat_SyS_ioctl+0x6db/0x1ca0
>[14104.850263]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14104.850266]  do_fast_syscall_32+0xbf/0x376
>[14104.850269]  entry_SYSENTER_compat+0x84/0x96
>[14108.092410] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14110.640977] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14110.640984] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14110.640988] CPU: 7 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14110.640990] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14110.640993] Call Trace:
>[14110.641000]  dump_stack+0x85/0xbf
>[14110.641006]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14110.641016]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14110.641028]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14110.641037]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14110.641043]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14110.641052]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14110.641057]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14110.641064]  ? mutex_trylock+0xcd/0xe0
>[14110.641069]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14110.641075]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14110.641111]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14110.641144]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14110.641175]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14110.641206]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14110.641236]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14110.641262]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14110.641270]  ? __might_fault+0x3e/0x90
>[14110.641297]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14110.641310]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14110.641323]  drm_ioctl+0x2d5/0x370 [drm]
>[14110.641349]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14110.641378]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14110.641414]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14110.641419]  compat_SyS_ioctl+0x6db/0x1ca0
>[14110.641425]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14110.641430]  do_fast_syscall_32+0xbf/0x376
>[14110.641436]  entry_SYSENTER_compat+0x84/0x96
>[14114.777206] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14114.777210] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14114.777213] CPU: 6 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14114.777215] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14114.777217] Call Trace:
>[14114.777224]  dump_stack+0x85/0xbf
>[14114.777228]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14114.777236]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14114.777243]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14114.777248]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14114.777252]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14114.777258]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14114.777262]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14114.777267]  ? mutex_trylock+0xcd/0xe0
>[14114.777270]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14114.777274]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14114.777304]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14114.777326]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14114.777347]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14114.777369]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14114.777390]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14114.777407]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14114.777412]  ? __might_fault+0x3e/0x90
>[14114.777430]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14114.777442]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14114.777449]  drm_ioctl+0x2d5/0x370 [drm]
>[14114.777466]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14114.777486]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14114.777512]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14114.777516]  compat_SyS_ioctl+0x6db/0x1ca0
>[14114.777521]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14114.777524]  do_fast_syscall_32+0xbf/0x376
>[14114.777528]  entry_SYSENTER_compat+0x84/0x96
>[14114.786292] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14114.786296] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14114.786298] CPU: 6 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14114.786300] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14114.786302] Call Trace:
>[14114.786307]  dump_stack+0x85/0xbf
>[14114.786312]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14114.786318]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14114.786325]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14114.786329]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14114.786333]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14114.786339]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14114.786343]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14114.786347]  ? mutex_trylock+0xcd/0xe0
>[14114.786350]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14114.786354]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14114.786384]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14114.786415]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14114.786447]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14114.786481]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14114.786510]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14114.786533]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14114.786540]  ? __might_fault+0x3e/0x90
>[14114.786567]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14114.786580]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14114.786592]  drm_ioctl+0x2d5/0x370 [drm]
>[14114.786616]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14114.786646]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14114.786680]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14114.786685]  compat_SyS_ioctl+0x6db/0x1ca0
>[14114.786690]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14114.786694]  do_fast_syscall_32+0xbf/0x376
>[14114.786699]  entry_SYSENTER_compat+0x84/0x96
>[14114.898001] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14114.898007] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14114.898011] CPU: 5 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14114.898013] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14114.898015] Call Trace:
>[14114.898024]  dump_stack+0x85/0xbf
>[14114.898030]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14114.898040]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14114.898049]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14114.898056]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14114.898062]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14114.898070]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14114.898076]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14114.898083]  ? mutex_trylock+0xcd/0xe0
>[14114.898087]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14114.898092]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14114.898144]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14114.898178]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14114.898209]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14114.898216]  ? debug_object_free+0x4c/0x130
>[14114.898247]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14114.898274]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14114.898294]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14114.898301]  ? __might_fault+0x3e/0x90
>[14114.898323]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14114.898338]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14114.898346]  drm_ioctl+0x2d5/0x370 [drm]
>[14114.898363]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14114.898382]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14114.898408]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14114.898413]  compat_SyS_ioctl+0x6db/0x1ca0
>[14114.898418]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14114.898422]  do_fast_syscall_32+0xbf/0x376
>[14114.898427]  entry_SYSENTER_compat+0x84/0x96
>[14115.522303] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14115.522308] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14115.522311] CPU: 2 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14115.522313] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14115.522315] Call Trace:
>[14115.522322]  dump_stack+0x85/0xbf
>[14115.522328]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14115.522336]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14115.522344]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14115.522349]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14115.522354]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14115.522360]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14115.522363]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14115.522369]  ? mutex_trylock+0xcd/0xe0
>[14115.522373]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14115.522377]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14115.522411]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14115.522436]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14115.522479]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14115.522484]  ? lock_acquire+0x9f/0x200
>[14115.522505]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14115.522525]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14115.522543]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14115.522548]  ? __might_fault+0x3e/0x90
>[14115.522567]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14115.522580]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14115.522592]  drm_ioctl+0x2d5/0x370 [drm]
>[14115.522616]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14115.522644]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14115.522651]  do_vfs_ioctl+0xa5/0x6e0
>[14115.522657]  SyS_ioctl+0x74/0x80
>[14115.522663]  do_syscall_64+0x79/0x220
>[14115.522668]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14115.522672] RIP: 0033:0x7f07d78580f7
>[14115.522674] RSP: 002b:00007ffc892201c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14115.522678] RAX: ffffffffffffffda RBX: 00000000034482e0 RCX: 00007f07d78580f7
>[14115.522680] RDX: 00007ffc89220210 RSI: 00000000c0206440 RDI: 000000000000000b
>[14115.522682] RBP: 00007ffc89220210 R08: 00000000034482e0 R09: 0000000000000004
>[14115.522685] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14115.522687] R13: 000000000000000b R14: 00007ffc892202a8 R15: 0000000003279690
>[14119.882359] swiotlb_tbl_map_single: 2 callbacks suppressed
>[14119.882362] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14119.882378] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14119.882382] CPU: 3 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14119.882384] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14119.882386] Call Trace:
>[14119.882394]  dump_stack+0x85/0xbf
>[14119.882400]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14119.882411]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14119.882420]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14119.882427]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14119.882442]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14119.882450]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14119.882454]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14119.882460]  ? mutex_trylock+0xcd/0xe0
>[14119.882464]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14119.882469]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14119.882517]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14119.882550]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14119.882581]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14119.882587]  ? debug_object_free+0x4c/0x130
>[14119.882635]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14119.882665]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14119.882690]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14119.882697]  ? __might_fault+0x3e/0x90
>[14119.882723]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14119.882739]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14119.882750]  drm_ioctl+0x2d5/0x370 [drm]
>[14119.882774]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14119.882802]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14119.882836]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14119.882841]  compat_SyS_ioctl+0x6db/0x1ca0
>[14119.882846]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14119.882850]  do_fast_syscall_32+0xbf/0x376
>[14119.882855]  entry_SYSENTER_compat+0x84/0x96
>[14119.895695] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14119.895700] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14119.895704] CPU: 3 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14119.895706] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14119.895708] Call Trace:
>[14119.895714]  dump_stack+0x85/0xbf
>[14119.895719]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14119.895728]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14119.895735]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14119.895740]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14119.895744]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14119.895750]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14119.895754]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14119.895759]  ? mutex_trylock+0xcd/0xe0
>[14119.895762]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14119.895766]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14119.895813]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14119.895840]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14119.895863]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14119.895868]  ? debug_object_free+0x4c/0x130
>[14119.895894]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14119.895916]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14119.895935]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14119.895941]  ? __might_fault+0x3e/0x90
>[14119.895961]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14119.895981]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14119.895993]  drm_ioctl+0x2d5/0x370 [drm]
>[14119.896016]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14119.896043]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14119.896076]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14119.896081]  compat_SyS_ioctl+0x6db/0x1ca0
>[14119.896086]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14119.896090]  do_fast_syscall_32+0xbf/0x376
>[14119.896095]  entry_SYSENTER_compat+0x84/0x96
>[14119.964747] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14119.964752] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14119.964755] CPU: 3 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14119.964757] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14119.964759] Call Trace:
>[14119.964765]  dump_stack+0x85/0xbf
>[14119.964770]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14119.964778]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14119.964784]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14119.964789]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14119.964793]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14119.964799]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14119.964803]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14119.964808]  ? mutex_trylock+0xcd/0xe0
>[14119.964811]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14119.964815]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14119.964852]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14119.964876]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14119.964900]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14119.964922]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14119.964942]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14119.964961]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14119.964966]  ? __might_fault+0x3e/0x90
>[14119.964984]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14119.964998]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14119.965005]  drm_ioctl+0x2d5/0x370 [drm]
>[14119.965022]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14119.965042]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14119.965068]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14119.965072]  compat_SyS_ioctl+0x6db/0x1ca0
>[14119.965076]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14119.965078]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14119.965082]  do_fast_syscall_32+0xbf/0x376
>[14119.965086]  entry_SYSENTER_compat+0x84/0x96
>[14120.242392] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14120.242400] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14120.242405] CPU: 5 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14120.242408] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14120.242410] Call Trace:
>[14120.242422]  dump_stack+0x85/0xbf
>[14120.242430]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14120.242441]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14120.242451]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14120.242459]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14120.242465]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14120.242474]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14120.242479]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14120.242485]  ? mutex_trylock+0xcd/0xe0
>[14120.242490]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14120.242496]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14120.242536]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14120.242564]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14120.242597]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14120.242629]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14120.242659]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14120.242684]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14120.242691]  ? __might_fault+0x3e/0x90
>[14120.242718]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14120.242732]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14120.242740]  drm_ioctl+0x2d5/0x370 [drm]
>[14120.242760]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14120.242790]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14120.242827]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14120.242834]  compat_SyS_ioctl+0x6db/0x1ca0
>[14120.242841]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14120.242845]  do_fast_syscall_32+0xbf/0x376
>[14120.242850]  entry_SYSENTER_compat+0x84/0x96
>[14120.742541] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14120.742547] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14120.742551] CPU: 4 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14120.742553] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14120.742556] Call Trace:
>[14120.742564]  dump_stack+0x85/0xbf
>[14120.742570]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14120.742581]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14120.742591]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14120.742599]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14120.742605]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14120.742614]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14120.742619]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14120.742626]  ? mutex_trylock+0xcd/0xe0
>[14120.742631]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14120.742636]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14120.742673]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14120.742706]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14120.742738]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14120.742744]  ? debug_object_free+0x4c/0x130
>[14120.742774]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14120.742803]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14120.742829]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14120.742837]  ? __might_fault+0x3e/0x90
>[14120.742864]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14120.742878]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14120.742890]  drm_ioctl+0x2d5/0x370 [drm]
>[14120.742915]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14120.742944]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14120.742979]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14120.742984]  compat_SyS_ioctl+0x6db/0x1ca0
>[14120.742989]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14120.742992]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14120.742997]  do_fast_syscall_32+0xbf/0x376
>[14120.743002]  entry_SYSENTER_compat+0x84/0x96
>[14124.094429] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14124.904647] swiotlb_tbl_map_single: 6 callbacks suppressed
>[14124.904650] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14124.904657] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14124.904661] CPU: 0 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14124.904664] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14124.904666] Call Trace:
>[14124.904674]  dump_stack+0x85/0xbf
>[14124.904680]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14124.904690]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14124.904700]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14124.904708]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14124.904714]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14124.904723]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14124.904728]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14124.904734]  ? mutex_trylock+0xcd/0xe0
>[14124.904739]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14124.904744]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14124.904783]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14124.904817]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14124.904850]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14124.904884]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14124.904914]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14124.904943]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14124.904950]  ? __might_fault+0x3e/0x90
>[14124.904978]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14124.904994]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14124.905006]  drm_ioctl+0x2d5/0x370 [drm]
>[14124.905037]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14124.905070]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14124.905105]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14124.905110]  compat_SyS_ioctl+0x6db/0x1ca0
>[14124.905116]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14124.905120]  do_fast_syscall_32+0xbf/0x376
>[14124.905125]  entry_SYSENTER_compat+0x84/0x96
>[14125.721012] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14125.721019] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14125.721023] CPU: 3 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14125.721026] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14125.721029] Call Trace:
>[14125.721038]  dump_stack+0x85/0xbf
>[14125.721044]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14125.721054]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14125.721064]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14125.721071]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14125.721077]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14125.721086]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14125.721092]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14125.721098]  ? mutex_trylock+0xcd/0xe0
>[14125.721103]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14125.721109]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14125.721147]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14125.721179]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14125.721211]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14125.721242]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14125.721272]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14125.721297]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14125.721305]  ? __might_fault+0x3e/0x90
>[14125.721331]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14125.721347]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14125.721358]  drm_ioctl+0x2d5/0x370 [drm]
>[14125.721385]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14125.721414]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14125.721449]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14125.721454]  compat_SyS_ioctl+0x6db/0x1ca0
>[14125.721459]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14125.721464]  do_fast_syscall_32+0xbf/0x376
>[14125.721469]  entry_SYSENTER_compat+0x84/0x96
>[14129.852489] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14129.852495] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14129.852499] CPU: 4 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14129.852501] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14129.852503] Call Trace:
>[14129.852512]  dump_stack+0x85/0xbf
>[14129.852519]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14129.852532]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14129.852540]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14129.852548]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14129.852552]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14129.852558]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14129.852562]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14129.852568]  ? mutex_trylock+0xcd/0xe0
>[14129.852571]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14129.852576]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14129.852662]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14129.852723]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14129.852768]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14129.852811]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14129.852847]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14129.852882]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14129.852893]  ? __might_fault+0x3e/0x90
>[14129.852924]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14129.852951]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14129.852968]  drm_ioctl+0x2d5/0x370 [drm]
>[14129.852995]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14129.853020]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14129.853048]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14129.853054]  compat_SyS_ioctl+0x6db/0x1ca0
>[14129.853060]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14129.853063]  do_fast_syscall_32+0xbf/0x376
>[14129.853069]  entry_SYSENTER_compat+0x84/0x96
>[14129.867536] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14129.867542] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14129.867545] CPU: 5 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14129.867548] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14129.867550] Call Trace:
>[14129.867558]  dump_stack+0x85/0xbf
>[14129.867564]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14129.867574]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14129.867584]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14129.867592]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14129.867598]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14129.867616]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14129.867621]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14129.867627]  ? mutex_trylock+0xcd/0xe0
>[14129.867632]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14129.867637]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14129.867687]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14129.867719]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14129.867752]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14129.867782]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14129.867813]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14129.867837]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14129.867843]  ? __might_fault+0x3e/0x90
>[14129.867871]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14129.867885]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14129.867896]  drm_ioctl+0x2d5/0x370 [drm]
>[14129.867922]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14129.867952]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14129.867989]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14129.867994]  compat_SyS_ioctl+0x6db/0x1ca0
>[14129.867999]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14129.868004]  do_fast_syscall_32+0xbf/0x376
>[14129.868009]  entry_SYSENTER_compat+0x84/0x96
>[14130.010222] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14130.010226] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14130.010229] CPU: 5 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14130.010231] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14130.010233] Call Trace:
>[14130.010239]  dump_stack+0x85/0xbf
>[14130.010244]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14130.010251]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14130.010258]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14130.010263]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14130.010267]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14130.010273]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14130.010277]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14130.010281]  ? mutex_trylock+0xcd/0xe0
>[14130.010285]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14130.010289]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14130.010318]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14130.010341]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14130.010374]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14130.010379]  ? debug_object_free+0x4c/0x130
>[14130.010400]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14130.010421]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14130.010438]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14130.010443]  ? __might_fault+0x3e/0x90
>[14130.010472]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14130.010482]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14130.010489]  drm_ioctl+0x2d5/0x370 [drm]
>[14130.010506]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14130.010525]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14130.010550]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14130.010553]  compat_SyS_ioctl+0x6db/0x1ca0
>[14130.010557]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14130.010561]  do_fast_syscall_32+0xbf/0x376
>[14130.010564]  entry_SYSENTER_compat+0x84/0x96
>[14130.612856] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14130.612861] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14130.612864] CPU: 0 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14130.612867] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14130.612869] Call Trace:
>[14130.612876]  dump_stack+0x85/0xbf
>[14130.612882]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14130.612891]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14130.612900]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14130.612907]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14130.612912]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14130.612921]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14130.612926]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14130.612943]  ? mutex_trylock+0xcd/0xe0
>[14130.612947]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14130.612963]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14130.612998]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14130.613028]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14130.613057]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14130.613062]  ? debug_object_free+0x4c/0x130
>[14130.613090]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14130.613118]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14130.613143]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14130.613149]  ? __might_fault+0x3e/0x90
>[14130.613175]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14130.613189]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14130.613200]  drm_ioctl+0x2d5/0x370 [drm]
>[14130.613224]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14130.613252]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14130.613285]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14130.613290]  compat_SyS_ioctl+0x6db/0x1ca0
>[14130.613295]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14130.613300]  do_fast_syscall_32+0xbf/0x376
>[14130.613304]  entry_SYSENTER_compat+0x84/0x96
>[14134.778591] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14134.778595] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14134.778598] CPU: 0 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14134.778600] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14134.778602] Call Trace:
>[14134.778608]  dump_stack+0x85/0xbf
>[14134.778613]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14134.778620]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14134.778627]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14134.778632]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14134.778636]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14134.778641]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14134.778645]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14134.778650]  ? mutex_trylock+0xcd/0xe0
>[14134.778653]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14134.778657]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14134.778687]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14134.778709]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14134.778741]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14134.778746]  ? debug_object_free+0x4c/0x130
>[14134.778770]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14134.778797]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14134.778833]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14134.778840]  ? __might_fault+0x3e/0x90
>[14134.778864]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14134.778879]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14134.778890]  drm_ioctl+0x2d5/0x370 [drm]
>[14134.778914]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14134.778941]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14134.778974]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14134.778980]  compat_SyS_ioctl+0x6db/0x1ca0
>[14134.778985]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14134.778990]  do_fast_syscall_32+0xbf/0x376
>[14134.778995]  entry_SYSENTER_compat+0x84/0x96
>[14134.790054] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14134.790059] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14134.790062] CPU: 0 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14134.790063] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14134.790065] Call Trace:
>[14134.790072]  dump_stack+0x85/0xbf
>[14134.790076]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14134.790084]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14134.790091]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14134.790096]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14134.790100]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14134.790106]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14134.790109]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14134.790114]  ? mutex_trylock+0xcd/0xe0
>[14134.790117]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14134.790121]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14134.790153]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14134.790177]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14134.790207]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14134.790212]  ? debug_object_free+0x4c/0x130
>[14134.790232]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14134.790251]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14134.790269]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14134.790274]  ? __might_fault+0x3e/0x90
>[14134.790293]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14134.790311]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14134.790322]  drm_ioctl+0x2d5/0x370 [drm]
>[14134.790339]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14134.790359]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14134.790397]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14134.790402]  compat_SyS_ioctl+0x6db/0x1ca0
>[14134.790407]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14134.790411]  do_fast_syscall_32+0xbf/0x376
>[14134.790415]  entry_SYSENTER_compat+0x84/0x96
>[14134.863270] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14134.863275] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14134.863278] CPU: 2 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14134.863279] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14134.863281] Call Trace:
>[14134.863288]  dump_stack+0x85/0xbf
>[14134.863293]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14134.863301]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14134.863319]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14134.863325]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14134.863331]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14134.863337]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14134.863341]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14134.863348]  ? mutex_trylock+0xcd/0xe0
>[14134.863353]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14134.863357]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14134.863402]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14134.863427]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14134.863448]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14134.863471]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14134.863491]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14134.863510]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14134.863516]  ? __might_fault+0x3e/0x90
>[14134.863534]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14134.863546]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14134.863554]  drm_ioctl+0x2d5/0x370 [drm]
>[14134.863571]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14134.863591]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14134.863617]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14134.863622]  compat_SyS_ioctl+0x6db/0x1ca0
>[14134.863626]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14134.863629]  do_fast_syscall_32+0xbf/0x376
>[14134.863633]  entry_SYSENTER_compat+0x84/0x96
>[14135.614038] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14135.614042] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14135.614045] CPU: 5 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14135.614047] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14135.614049] Call Trace:
>[14135.614056]  dump_stack+0x85/0xbf
>[14135.614062]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14135.614072]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14135.614081]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14135.614088]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14135.614094]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14135.614102]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14135.614107]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14135.614114]  ? mutex_trylock+0xcd/0xe0
>[14135.614119]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14135.614124]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14135.614166]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14135.614187]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14135.614213]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14135.614219]  ? debug_object_free+0x4c/0x130
>[14135.614238]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14135.614258]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14135.614275]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14135.614281]  ? __might_fault+0x3e/0x90
>[14135.614300]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14135.614313]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14135.614320]  drm_ioctl+0x2d5/0x370 [drm]
>[14135.614338]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14135.614358]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14135.614388]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14135.614393]  compat_SyS_ioctl+0x6db/0x1ca0
>[14135.614398]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14135.614402]  do_fast_syscall_32+0xbf/0x376
>[14135.614407]  entry_SYSENTER_compat+0x84/0x96
>[14139.783666] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14139.783671] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14139.783684] CPU: 0 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14139.783686] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14139.783688] Call Trace:
>[14139.783695]  dump_stack+0x85/0xbf
>[14139.783699]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14139.783707]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14139.783724]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14139.783728]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14139.783732]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14139.783738]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14139.783741]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14139.783745]  ? mutex_trylock+0xcd/0xe0
>[14139.783748]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14139.783752]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14139.783782]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14139.783803]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14139.783823]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14139.783828]  ? debug_object_free+0x4c/0x130
>[14139.783847]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14139.783867]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14139.783884]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14139.783889]  ? __might_fault+0x3e/0x90
>[14139.783906]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14139.783917]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14139.783924]  drm_ioctl+0x2d5/0x370 [drm]
>[14139.783941]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14139.783960]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14139.783998]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14139.784001]  compat_SyS_ioctl+0x6db/0x1ca0
>[14139.784015]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14139.784018]  do_fast_syscall_32+0xbf/0x376
>[14139.784022]  entry_SYSENTER_compat+0x84/0x96
>[14139.794392] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14139.794396] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14139.794399] CPU: 6 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14139.794402] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14139.794404] Call Trace:
>[14139.794411]  dump_stack+0x85/0xbf
>[14139.794416]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14139.794424]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14139.794431]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14139.794437]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14139.794442]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14139.794448]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14139.794452]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14139.794458]  ? mutex_trylock+0xcd/0xe0
>[14139.794463]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14139.794469]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14139.794514]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14139.794539]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14139.794560]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14139.794564]  ? debug_object_free+0x4c/0x130
>[14139.794584]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14139.794604]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14139.794622]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14139.794627]  ? __might_fault+0x3e/0x90
>[14139.794644]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14139.794657]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14139.794664]  drm_ioctl+0x2d5/0x370 [drm]
>[14139.794680]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14139.794700]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14139.794725]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14139.794729]  compat_SyS_ioctl+0x6db/0x1ca0
>[14139.794733]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14139.794736]  do_fast_syscall_32+0xbf/0x376
>[14139.794740]  entry_SYSENTER_compat+0x84/0x96
>[14139.950853] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14139.950858] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14139.950861] CPU: 2 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14139.950862] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14139.950864] Call Trace:
>[14139.950870]  dump_stack+0x85/0xbf
>[14139.950875]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14139.950882]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14139.950889]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14139.950894]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14139.950898]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14139.950904]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14139.950907]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14139.950912]  ? mutex_trylock+0xcd/0xe0
>[14139.950915]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14139.950919]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14139.950947]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14139.950970]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14139.950995]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14139.951017]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14139.951037]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14139.951054]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14139.951059]  ? __might_fault+0x3e/0x90
>[14139.951077]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14139.951088]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14139.951096]  drm_ioctl+0x2d5/0x370 [drm]
>[14139.951113]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14139.951132]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14139.951158]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14139.951162]  compat_SyS_ioctl+0x6db/0x1ca0
>[14139.951166]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14139.951169]  do_fast_syscall_32+0xbf/0x376
>[14139.951173]  entry_SYSENTER_compat+0x84/0x96
>[14140.093457] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14140.760318] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14140.760322] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14140.760325] CPU: 4 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14140.760327] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14140.760329] Call Trace:
>[14140.760346]  dump_stack+0x85/0xbf
>[14140.760350]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14140.760360]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14140.760366]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14140.760371]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14140.760375]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14140.760380]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14140.760384]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14140.760389]  ? mutex_trylock+0xcd/0xe0
>[14140.760392]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14140.760395]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14140.760435]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14140.760454]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14140.760473]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14140.760476]  ? debug_object_free+0x4c/0x130
>[14140.760494]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14140.760513]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14140.760528]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14140.760534]  ? __might_fault+0x3e/0x90
>[14140.760550]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14140.760562]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14140.760569]  drm_ioctl+0x2d5/0x370 [drm]
>[14140.760585]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14140.760603]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14140.760628]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14140.760632]  compat_SyS_ioctl+0x6db/0x1ca0
>[14140.760637]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14140.760640]  do_fast_syscall_32+0xbf/0x376
>[14140.760645]  entry_SYSENTER_compat+0x84/0x96
>[14143.842602] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14143.842606] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14143.842609] CPU: 6 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14143.842610] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14143.842612] Call Trace:
>[14143.842618]  dump_stack+0x85/0xbf
>[14143.842622]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14143.842629]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14143.842635]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14143.842640]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14143.842643]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14143.842649]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14143.842652]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14143.842656]  ? mutex_trylock+0xcd/0xe0
>[14143.842659]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14143.842663]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14143.842695]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14143.842712]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14143.842730]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14143.842748]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14143.842766]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14143.842782]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14143.842787]  ? __might_fault+0x3e/0x90
>[14143.842802]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14143.842813]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14143.842820]  drm_ioctl+0x2d5/0x370 [drm]
>[14143.842836]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14143.842853]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14143.842857]  do_vfs_ioctl+0xa5/0x6e0
>[14143.842861]  SyS_ioctl+0x74/0x80
>[14143.842865]  do_syscall_64+0x79/0x220
>[14143.842868]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14143.842871] RIP: 0033:0x7f6f9ac700f7
>[14143.842873] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14143.842876] RAX: ffffffffffffffda RBX: 000055d0acc3c160 RCX: 00007f6f9ac700f7
>[14143.842877] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14143.842879] RBP: 00007ffd10a897b0 R08: 000055d0acc3c160 R09: 0000000000000004
>[14143.842881] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14143.842882] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0acdec6d0
>[14144.829705] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14144.829709] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14144.829712] CPU: 5 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14144.829714] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14144.829716] Call Trace:
>[14144.829722]  dump_stack+0x85/0xbf
>[14144.829728]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14144.829735]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14144.829742]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14144.829749]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14144.829754]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14144.829761]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14144.829765]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14144.829772]  ? mutex_trylock+0xcd/0xe0
>[14144.829776]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14144.829781]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14144.829826]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14144.829859]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14144.829890]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14144.829896]  ? debug_object_free+0x4c/0x130
>[14144.829926]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14144.829959]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14144.829989]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14144.829996]  ? __might_fault+0x3e/0x90
>[14144.830024]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14144.830042]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14144.830056]  drm_ioctl+0x2d5/0x370 [drm]
>[14144.830082]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14144.830111]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14144.830145]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14144.830150]  compat_SyS_ioctl+0x6db/0x1ca0
>[14144.830155]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14144.830159]  do_fast_syscall_32+0xbf/0x376
>[14144.830163]  entry_SYSENTER_compat+0x84/0x96
>[14144.925089] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14144.925094] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14144.925097] CPU: 5 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14144.925099] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14144.925101] Call Trace:
>[14144.925108]  dump_stack+0x85/0xbf
>[14144.925113]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14144.925121]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14144.925128]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14144.925133]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14144.925137]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14144.925142]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14144.925146]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14144.925151]  ? mutex_trylock+0xcd/0xe0
>[14144.925154]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14144.925158]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14144.925197]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14144.925225]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14144.925247]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14144.925252]  ? debug_object_free+0x4c/0x130
>[14144.925272]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14144.925303]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14144.925319]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14144.925325]  ? __might_fault+0x3e/0x90
>[14144.925348]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14144.925360]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14144.925368]  drm_ioctl+0x2d5/0x370 [drm]
>[14144.925384]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14144.925402]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14144.925428]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14144.925432]  compat_SyS_ioctl+0x6db/0x1ca0
>[14144.925436]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14144.925439]  do_fast_syscall_32+0xbf/0x376
>[14144.925443]  entry_SYSENTER_compat+0x84/0x96
>[14144.998528] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14144.998533] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14144.998537] CPU: 4 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14144.998539] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14144.998542] Call Trace:
>[14144.998550]  dump_stack+0x85/0xbf
>[14144.998556]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14144.998566]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14144.998575]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14144.998582]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14144.998587]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14144.998595]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14144.998600]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14144.998605]  ? mutex_trylock+0xcd/0xe0
>[14144.998610]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14144.998615]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14144.998658]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14144.998693]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14144.998726]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14144.998768]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14144.998810]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14144.998838]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14144.998846]  ? __might_fault+0x3e/0x90
>[14144.998874]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14144.998892]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14144.998903]  drm_ioctl+0x2d5/0x370 [drm]
>[14144.998930]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14144.998960]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14144.998995]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14144.999011]  compat_SyS_ioctl+0x6db/0x1ca0
>[14144.999016]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14144.999020]  do_fast_syscall_32+0xbf/0x376
>[14144.999025]  entry_SYSENTER_compat+0x84/0x96
>[14149.833084] swiotlb_tbl_map_single: 2 callbacks suppressed
>[14149.833086] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14149.833091] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14149.833094] CPU: 0 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14149.833096] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14149.833098] Call Trace:
>[14149.833105]  dump_stack+0x85/0xbf
>[14149.833110]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14149.833118]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14149.833125]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14149.833130]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14149.833134]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14149.833140]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14149.833144]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14149.833149]  ? mutex_trylock+0xcd/0xe0
>[14149.833153]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14149.833156]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14149.833191]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14149.833218]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14149.833241]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14149.833264]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14149.833285]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14149.833302]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14149.833308]  ? __might_fault+0x3e/0x90
>[14149.833325]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14149.833338]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14149.833346]  drm_ioctl+0x2d5/0x370 [drm]
>[14149.833363]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14149.833382]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14149.833408]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14149.833414]  compat_SyS_ioctl+0x6db/0x1ca0
>[14149.833419]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14149.833423]  do_fast_syscall_32+0xbf/0x376
>[14149.833428]  entry_SYSENTER_compat+0x84/0x96
>[14149.851628] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14149.851633] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14149.851637] CPU: 1 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14149.851639] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14149.851641] Call Trace:
>[14149.851649]  dump_stack+0x85/0xbf
>[14149.851654]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14149.851663]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14149.851672]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14149.851678]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14149.851683]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14149.851691]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14149.851695]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14149.851701]  ? mutex_trylock+0xcd/0xe0
>[14149.851705]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14149.851711]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14149.851745]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14149.851774]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14149.851804]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14149.851833]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14149.851861]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14149.851886]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14149.851892]  ? __might_fault+0x3e/0x90
>[14149.851919]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14149.851933]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14149.851944]  drm_ioctl+0x2d5/0x370 [drm]
>[14149.851980]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14149.852001]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14149.852038]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14149.852042]  compat_SyS_ioctl+0x6db/0x1ca0
>[14149.852046]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14149.852050]  do_fast_syscall_32+0xbf/0x376
>[14149.852054]  entry_SYSENTER_compat+0x84/0x96
>[14149.925124] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14149.925131] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14149.925136] CPU: 4 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14149.925139] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14149.925141] Call Trace:
>[14149.925151]  dump_stack+0x85/0xbf
>[14149.925158]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14149.925169]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14149.925181]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14149.925189]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14149.925195]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14149.925204]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14149.925210]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14149.925218]  ? mutex_trylock+0xcd/0xe0
>[14149.925223]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14149.925229]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14149.925278]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14149.925310]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14149.925347]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14149.925354]  ? debug_object_free+0x4c/0x130
>[14149.925387]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14149.925421]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14149.925451]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14149.925458]  ? __might_fault+0x3e/0x90
>[14149.925489]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14149.925509]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14149.925523]  drm_ioctl+0x2d5/0x370 [drm]
>[14149.925552]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14149.925585]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14149.925622]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14149.925628]  compat_SyS_ioctl+0x6db/0x1ca0
>[14149.925633]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14149.925639]  do_fast_syscall_32+0xbf/0x376
>[14149.925644]  entry_SYSENTER_compat+0x84/0x96
>[14150.602769] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14150.602776] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14150.602780] CPU: 0 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14150.602784] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14150.602787] Call Trace:
>[14150.602797]  dump_stack+0x85/0xbf
>[14150.602803]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14150.602814]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14150.602826]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14150.602834]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14150.602841]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14150.602851]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14150.602856]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14150.602863]  ? mutex_trylock+0xcd/0xe0
>[14150.602868]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14150.602875]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14150.602921]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14150.602958]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14150.602994]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14150.603029]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14150.603061]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14150.603086]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14150.603094]  ? __might_fault+0x3e/0x90
>[14150.603123]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14150.603145]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14150.603158]  drm_ioctl+0x2d5/0x370 [drm]
>[14150.603183]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14150.603210]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14150.603238]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14150.603244]  compat_SyS_ioctl+0x6db/0x1ca0
>[14150.603249]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14150.603254]  do_fast_syscall_32+0xbf/0x376
>[14150.603260]  entry_SYSENTER_compat+0x84/0x96
>[14152.787548] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14152.787554] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14152.787559] CPU: 2 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14152.787562] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14152.787564] Call Trace:
>[14152.787572]  dump_stack+0x85/0xbf
>[14152.787579]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14152.787590]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14152.787601]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14152.787610]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14152.787616]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14152.787626]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14152.787632]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14152.787639]  ? mutex_trylock+0xcd/0xe0
>[14152.787643]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14152.787649]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14152.787695]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14152.787730]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14152.787765]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14152.787771]  ? lock_acquire+0x9f/0x200
>[14152.787802]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14152.787832]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14152.787859]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14152.787866]  ? __might_fault+0x3e/0x90
>[14152.787894]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14152.787911]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14152.787923]  drm_ioctl+0x2d5/0x370 [drm]
>[14152.787951]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14152.787983]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14152.787990]  do_vfs_ioctl+0xa5/0x6e0
>[14152.787998]  SyS_ioctl+0x74/0x80
>[14152.788004]  do_syscall_64+0x79/0x220
>[14152.788009]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14152.788013] RIP: 0033:0x7f07d78580f7
>[14152.788016] RSP: 002b:00007ffc892201c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14152.788021] RAX: ffffffffffffffda RBX: 000000000335ca90 RCX: 00007f07d78580f7
>[14152.788024] RDX: 00007ffc89220210 RSI: 00000000c0206440 RDI: 000000000000000b
>[14152.788027] RBP: 00007ffc89220210 R08: 000000000335ca90 R09: 0000000000000004
>[14152.788029] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14152.788032] R13: 000000000000000b R14: 00007ffc892202a8 R15: 0000000003279690
>[14154.847988] swiotlb_tbl_map_single: 6 callbacks suppressed
>[14154.847991] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14154.847998] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14154.848001] CPU: 6 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14154.848004] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14154.848006] Call Trace:
>[14154.848014]  dump_stack+0x85/0xbf
>[14154.848020]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14154.848029]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14154.848039]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14154.848046]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14154.848052]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14154.848059]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14154.848064]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14154.848070]  ? mutex_trylock+0xcd/0xe0
>[14154.848076]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14154.848081]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14154.848118]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14154.848149]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14154.848189]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14154.848195]  ? debug_object_free+0x4c/0x130
>[14154.848223]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14154.848262]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14154.848288]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14154.848295]  ? __might_fault+0x3e/0x90
>[14154.848322]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14154.848339]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14154.848350]  drm_ioctl+0x2d5/0x370 [drm]
>[14154.848375]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14154.848403]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14154.848437]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14154.848443]  compat_SyS_ioctl+0x6db/0x1ca0
>[14154.848448]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14154.848453]  do_fast_syscall_32+0xbf/0x376
>[14154.848458]  entry_SYSENTER_compat+0x84/0x96
>[14155.151625] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14155.151629] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14155.151632] CPU: 7 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14155.151634] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14155.151635] Call Trace:
>[14155.151641]  dump_stack+0x85/0xbf
>[14155.151646]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14155.151653]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14155.151659]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14155.151664]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14155.151668]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14155.151674]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14155.151678]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14155.151683]  ? mutex_trylock+0xcd/0xe0
>[14155.151687]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14155.151690]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14155.151720]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14155.151743]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14155.151765]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14155.151769]  ? lock_acquire+0x9f/0x200
>[14155.151788]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14155.151808]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14155.151826]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14155.151831]  ? __might_fault+0x3e/0x90
>[14155.151849]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14155.151861]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14155.151868]  drm_ioctl+0x2d5/0x370 [drm]
>[14155.151884]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14155.151903]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14155.151907]  do_vfs_ioctl+0xa5/0x6e0
>[14155.151912]  SyS_ioctl+0x74/0x80
>[14155.151916]  do_syscall_64+0x79/0x220
>[14155.151919]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14155.151921] RIP: 0033:0x7f07d78580f7
>[14155.151923] RSP: 002b:00007ffc892201c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14155.151926] RAX: ffffffffffffffda RBX: 000000000335ca90 RCX: 00007f07d78580f7
>[14155.151927] RDX: 00007ffc89220210 RSI: 00000000c0206440 RDI: 000000000000000b
>[14155.151929] RBP: 00007ffc89220210 R08: 000000000335ca90 R09: 0000000000000004
>[14155.151931] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14155.151932] R13: 000000000000000b R14: 00007ffc892202a8 R15: 0000000003244470
>[14156.093463] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14156.899969] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14156.899973] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14156.899976] CPU: 3 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14156.899978] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14156.899980] Call Trace:
>[14156.899987]  dump_stack+0x85/0xbf
>[14156.899991]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14156.899999]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14156.900005]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14156.900009]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14156.900013]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14156.900019]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14156.900022]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14156.900027]  ? mutex_trylock+0xcd/0xe0
>[14156.900030]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14156.900033]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14156.900065]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14156.900099]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14156.900119]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14156.900123]  ? lock_acquire+0x9f/0x200
>[14156.900142]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14156.900162]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14156.900178]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14156.900183]  ? __might_fault+0x3e/0x90
>[14156.900211]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14156.900232]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14156.900239]  drm_ioctl+0x2d5/0x370 [drm]
>[14156.900255]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14156.900273]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14156.900278]  do_vfs_ioctl+0xa5/0x6e0
>[14156.900283]  SyS_ioctl+0x74/0x80
>[14156.900287]  do_syscall_64+0x79/0x220
>[14156.900290]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14156.900293] RIP: 0033:0x7f07d78580f7
>[14156.900295] RSP: 002b:00007ffc892201c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14156.900297] RAX: ffffffffffffffda RBX: 000000000335b240 RCX: 00007f07d78580f7
>[14156.900299] RDX: 00007ffc89220210 RSI: 00000000c0206440 RDI: 000000000000000b
>[14156.900300] RBP: 00007ffc89220210 R08: 000000000335b240 R09: 00007f07d7b1cff0
>[14156.900302] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14156.900303] R13: 000000000000000b R14: 00007ffc892202a8 R15: 0000000003279690
>[14156.976832] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14156.976836] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14156.976839] CPU: 7 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14156.976840] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14156.976842] Call Trace:
>[14156.976849]  dump_stack+0x85/0xbf
>[14156.976853]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14156.976860]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14156.976866]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14156.976871]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14156.976874]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14156.976879]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14156.976883]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14156.976887]  ? mutex_trylock+0xcd/0xe0
>[14156.976890]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14156.976893]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14156.976925]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14156.976947]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14156.976966]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14156.976988]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14156.977019]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14156.977038]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14156.977044]  ? __might_fault+0x3e/0x90
>[14156.977067]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14156.977085]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14156.977097]  drm_ioctl+0x2d5/0x370 [drm]
>[14156.977121]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14156.977168]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14156.977173]  do_vfs_ioctl+0xa5/0x6e0
>[14156.977178]  SyS_ioctl+0x74/0x80
>[14156.977183]  do_syscall_64+0x79/0x220
>[14156.977187]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14156.977189] RIP: 0033:0x7f6f9ac700f7
>[14156.977191] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14156.977194] RAX: ffffffffffffffda RBX: 000055d0a5413ba0 RCX: 00007f6f9ac700f7
>[14156.977196] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14156.977197] RBP: 00007ffd10a897b0 R08: 000055d0a5413ba0 R09: 00007f6f9af34cb0
>[14156.977199] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14156.977201] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0a49094f0
>[14159.806495] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14159.806502] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14159.806506] CPU: 3 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14159.806509] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14159.806511] Call Trace:
>[14159.806521]  dump_stack+0x85/0xbf
>[14159.806526]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14159.806537]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14159.806548]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14159.806555]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14159.806561]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14159.806570]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14159.806576]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14159.806583]  ? mutex_trylock+0xcd/0xe0
>[14159.806588]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14159.806594]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14159.806638]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14159.806674]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14159.806708]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14159.806743]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14159.806776]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14159.806804]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14159.806812]  ? __might_fault+0x3e/0x90
>[14159.806840]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14159.806854]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14159.806868]  drm_ioctl+0x2d5/0x370 [drm]
>[14159.806896]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14159.806926]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14159.806963]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14159.806969]  compat_SyS_ioctl+0x6db/0x1ca0
>[14159.806974]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14159.806979]  do_fast_syscall_32+0xbf/0x376
>[14159.806984]  entry_SYSENTER_compat+0x84/0x96
>[14159.985451] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14159.985456] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14159.985459] CPU: 0 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14159.985461] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14159.985462] Call Trace:
>[14159.985478]  dump_stack+0x85/0xbf
>[14159.985483]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14159.985490]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14159.985497]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14159.985502]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14159.985506]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14159.985511]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14159.985515]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14159.985520]  ? mutex_trylock+0xcd/0xe0
>[14159.985523]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14159.985526]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14159.985557]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14159.985593]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14159.985615]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14159.985620]  ? debug_object_free+0x4c/0x130
>[14159.985641]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14159.985662]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14159.985681]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14159.985686]  ? __might_fault+0x3e/0x90
>[14159.985704]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14159.985715]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14159.985722]  drm_ioctl+0x2d5/0x370 [drm]
>[14159.985739]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14159.985759]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14159.985785]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14159.985789]  compat_SyS_ioctl+0x6db/0x1ca0
>[14159.985793]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14159.985796]  do_fast_syscall_32+0xbf/0x376
>[14159.985800]  entry_SYSENTER_compat+0x84/0x96
>[14160.643543] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14160.643547] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14160.643550] CPU: 6 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14160.643551] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14160.643553] Call Trace:
>[14160.643560]  dump_stack+0x85/0xbf
>[14160.643564]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14160.643572]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14160.643578]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14160.643583]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14160.643587]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14160.643592]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14160.643595]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14160.643600]  ? mutex_trylock+0xcd/0xe0
>[14160.643603]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14160.643607]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14160.643640]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14160.643658]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14160.643676]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14160.643695]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14160.643713]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14160.643729]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14160.643734]  ? __might_fault+0x3e/0x90
>[14160.643750]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14160.643762]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14160.643769]  drm_ioctl+0x2d5/0x370 [drm]
>[14160.643784]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14160.643802]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14160.643826]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14160.643830]  compat_SyS_ioctl+0x6db/0x1ca0
>[14160.643834]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14160.643837]  do_fast_syscall_32+0xbf/0x376
>[14160.643840]  entry_SYSENTER_compat+0x84/0x96
>[14164.822530] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14164.822534] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14164.822537] CPU: 4 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14164.822539] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14164.822541] Call Trace:
>[14164.822548]  dump_stack+0x85/0xbf
>[14164.822553]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14164.822561]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14164.822569]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14164.822574]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14164.822579]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14164.822587]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14164.822592]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14164.822598]  ? mutex_trylock+0xcd/0xe0
>[14164.822603]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14164.822609]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14164.822648]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14164.822673]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14164.822698]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14164.822721]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14164.822742]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14164.822760]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14164.822766]  ? __might_fault+0x3e/0x90
>[14164.822785]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14164.822799]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14164.822806]  drm_ioctl+0x2d5/0x370 [drm]
>[14164.822824]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14164.822845]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14164.822871]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14164.822875]  compat_SyS_ioctl+0x6db/0x1ca0
>[14164.822879]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14164.822883]  do_fast_syscall_32+0xbf/0x376
>[14164.822887]  entry_SYSENTER_compat+0x84/0x96
>[14164.906477] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14164.906483] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14164.906488] CPU: 2 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14164.906491] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14164.906494] Call Trace:
>[14164.906502]  dump_stack+0x85/0xbf
>[14164.906508]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14164.906519]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14164.906529]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14164.906537]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14164.906544]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14164.906553]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14164.906559]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14164.906567]  ? mutex_trylock+0xcd/0xe0
>[14164.906572]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14164.906578]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14164.906618]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14164.906649]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14164.906678]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14164.906683]  ? debug_object_free+0x4c/0x130
>[14164.906710]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14164.906737]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14164.906760]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14164.906767]  ? __might_fault+0x3e/0x90
>[14164.906799]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14164.906815]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14164.906826]  drm_ioctl+0x2d5/0x370 [drm]
>[14164.906846]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14164.906871]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14164.906904]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14164.906909]  compat_SyS_ioctl+0x6db/0x1ca0
>[14164.906914]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14164.906919]  do_fast_syscall_32+0xbf/0x376
>[14164.906923]  entry_SYSENTER_compat+0x84/0x96
>[14165.700668] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14165.700672] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14165.700675] CPU: 0 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14165.700677] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14165.700679] Call Trace:
>[14165.700685]  dump_stack+0x85/0xbf
>[14165.700690]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14165.700698]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14165.700705]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14165.700710]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14165.700714]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14165.700719]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14165.700723]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14165.700728]  ? mutex_trylock+0xcd/0xe0
>[14165.700731]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14165.700735]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14165.700769]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14165.700794]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14165.700817]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14165.700840]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14165.700861]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14165.700878]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14165.700883]  ? __might_fault+0x3e/0x90
>[14165.700900]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14165.700913]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14165.700921]  drm_ioctl+0x2d5/0x370 [drm]
>[14165.700937]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14165.700957]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14165.700986]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14165.700991]  compat_SyS_ioctl+0x6db/0x1ca0
>[14165.700996]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14165.701000]  do_fast_syscall_32+0xbf/0x376
>[14165.701004]  entry_SYSENTER_compat+0x84/0x96
>[14165.930771] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14165.930775] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14165.930777] CPU: 7 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14165.930779] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14165.930780] Call Trace:
>[14165.930786]  dump_stack+0x85/0xbf
>[14165.930791]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14165.930798]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14165.930804]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14165.930809]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14165.930813]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14165.930818]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14165.930822]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14165.930836]  ? mutex_trylock+0xcd/0xe0
>[14165.930839]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14165.930843]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14165.930896]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14165.930932]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14165.930959]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14165.930965]  ? lock_acquire+0x9f/0x200
>[14165.930988]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14165.931017]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14165.931038]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14165.931043]  ? __might_fault+0x3e/0x90
>[14165.931062]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14165.931075]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14165.931084]  drm_ioctl+0x2d5/0x370 [drm]
>[14165.931105]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14165.931125]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14165.931130]  do_vfs_ioctl+0xa5/0x6e0
>[14165.931134]  SyS_ioctl+0x74/0x80
>[14165.931139]  do_syscall_64+0x79/0x220
>[14165.931143]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14165.931146] RIP: 0033:0x7f07d78580f7
>[14165.931149] RSP: 002b:00007ffc892201c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14165.931152] RAX: ffffffffffffffda RBX: 000000000329ab80 RCX: 00007f07d78580f7
>[14165.931155] RDX: 00007ffc89220210 RSI: 00000000c0206440 RDI: 000000000000000b
>[14165.931157] RBP: 00007ffc89220210 R08: 000000000329ab80 R09: 0000000000000004
>[14165.931159] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14165.931161] R13: 000000000000000b R14: 00007ffc892202a8 R15: 000000000317cb10
>[14166.910433] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14166.910437] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14166.910440] CPU: 4 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14166.910441] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14166.910443] Call Trace:
>[14166.910449]  dump_stack+0x85/0xbf
>[14166.910453]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14166.910460]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14166.910466]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14166.910470]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14166.910474]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14166.910479]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14166.910482]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14166.910487]  ? mutex_trylock+0xcd/0xe0
>[14166.910489]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14166.910493]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14166.910521]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14166.910539]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14166.910557]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14166.910561]  ? lock_acquire+0x9f/0x200
>[14166.910578]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14166.910596]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14166.910611]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14166.910616]  ? __might_fault+0x3e/0x90
>[14166.910631]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14166.910642]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14166.910648]  drm_ioctl+0x2d5/0x370 [drm]
>[14166.910664]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14166.910682]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14166.910687]  do_vfs_ioctl+0xa5/0x6e0
>[14166.910691]  SyS_ioctl+0x74/0x80
>[14166.910695]  do_syscall_64+0x79/0x220
>[14166.910699]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14166.910701] RIP: 0033:0x7f07d78580f7
>[14166.910703] RSP: 002b:00007ffc892201c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14166.910706] RAX: ffffffffffffffda RBX: 0000000003479590 RCX: 00007f07d78580f7
>[14166.910707] RDX: 00007ffc89220210 RSI: 00000000c0206440 RDI: 000000000000000b
>[14166.910709] RBP: 00007ffc89220210 R08: 0000000003479590 R09: 0000000000000004
>[14166.910711] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14166.910713] R13: 000000000000000b R14: 00007ffc892202a8 R15: 00000000033e2060
>[14168.242366] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14168.242372] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14168.242375] CPU: 4 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14168.242378] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14168.242380] Call Trace:
>[14168.242389]  dump_stack+0x85/0xbf
>[14168.242395]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14168.242405]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14168.242413]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14168.242419]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14168.242423]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14168.242430]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14168.242435]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14168.242441]  ? mutex_trylock+0xcd/0xe0
>[14168.242444]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14168.242448]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14168.242506]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14168.242550]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14168.242582]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14168.242619]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14168.242647]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14168.242670]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14168.242678]  ? __might_fault+0x3e/0x90
>[14168.242700]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14168.242720]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14168.242734]  drm_ioctl+0x2d5/0x370 [drm]
>[14168.242752]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14168.242772]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14168.242778]  do_vfs_ioctl+0xa5/0x6e0
>[14168.242784]  SyS_ioctl+0x74/0x80
>[14168.242790]  do_syscall_64+0x79/0x220
>[14168.242793]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14168.242797] RIP: 0033:0x7f6f9ac700f7
>[14168.242799] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14168.242802] RAX: ffffffffffffffda RBX: 000055d0acaa84f0 RCX: 00007f6f9ac700f7
>[14168.242803] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14168.242805] RBP: 00007ffd10a897b0 R08: 000055d0acaa84f0 R09: 00007f6f9af34c50
>[14168.242807] R10: 0000000000000006 R11: 0000000000000246 R12: 00000000c0206440
>[14168.242809] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0acf54000
>[14168.494627] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14168.494631] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14168.494635] CPU: 5 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14168.494638] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14168.494640] Call Trace:
>[14168.494648]  dump_stack+0x85/0xbf
>[14168.494654]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14168.494664]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14168.494673]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14168.494680]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14168.494685]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14168.494694]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14168.494699]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14168.494705]  ? mutex_trylock+0xcd/0xe0
>[14168.494710]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14168.494715]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14168.494757]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14168.494796]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14168.494840]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14168.494864]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14168.494886]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14168.494906]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14168.494912]  ? __might_fault+0x3e/0x90
>[14168.494931]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14168.494947]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14168.494956]  drm_ioctl+0x2d5/0x370 [drm]
>[14168.494972]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14168.494991]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14168.494996]  do_vfs_ioctl+0xa5/0x6e0
>[14168.495001]  SyS_ioctl+0x74/0x80
>[14168.495005]  do_syscall_64+0x79/0x220
>[14168.495009]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14168.495012] RIP: 0033:0x7f6f9ac700f7
>[14168.495014] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14168.495016] RAX: ffffffffffffffda RBX: 000055d0a5413c30 RCX: 00007f6f9ac700f7
>[14168.495018] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14168.495019] RBP: 00007ffd10a897b0 R08: 000055d0a5413c30 R09: 0000000000000004
>[14168.495021] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14168.495022] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0acaf38b0
>[14171.846870] swiotlb_tbl_map_single: 6 callbacks suppressed
>[14171.846874] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14171.846881] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14171.846885] CPU: 3 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14171.846888] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14171.846890] Call Trace:
>[14171.846899]  dump_stack+0x85/0xbf
>[14171.846906]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14171.846916]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14171.846927]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14171.846935]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14171.846941]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14171.846951]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14171.846956]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14171.846963]  ? mutex_trylock+0xcd/0xe0
>[14171.846968]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14171.846974]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14171.847010]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14171.847044]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14171.847076]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14171.847083]  ? debug_object_free+0x4c/0x130
>[14171.847112]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14171.847153]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14171.847181]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14171.847188]  ? __might_fault+0x3e/0x90
>[14171.847216]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14171.847230]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14171.847243]  drm_ioctl+0x2d5/0x370 [drm]
>[14171.847271]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14171.847313]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14171.847348]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14171.847353]  compat_SyS_ioctl+0x6db/0x1ca0
>[14171.847359]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14171.847374]  do_fast_syscall_32+0xbf/0x376
>[14171.847380]  entry_SYSENTER_compat+0x84/0x96
>[14171.861979] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14171.861985] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14171.861988] CPU: 2 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14171.861990] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14171.861991] Call Trace:
>[14171.861998]  dump_stack+0x85/0xbf
>[14171.862003]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14171.862010]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14171.862017]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14171.862021]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14171.862026]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14171.862031]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14171.862035]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14171.862040]  ? mutex_trylock+0xcd/0xe0
>[14171.862043]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14171.862047]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14171.862079]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14171.862102]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14171.862124]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14171.862131]  ? debug_object_free+0x4c/0x130
>[14171.862160]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14171.862190]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14171.862215]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14171.862221]  ? __might_fault+0x3e/0x90
>[14171.862248]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14171.862263]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14171.862274]  drm_ioctl+0x2d5/0x370 [drm]
>[14171.862299]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14171.862327]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14171.862361]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14171.862366]  compat_SyS_ioctl+0x6db/0x1ca0
>[14171.862371]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14171.862376]  do_fast_syscall_32+0xbf/0x376
>[14171.862381]  entry_SYSENTER_compat+0x84/0x96
>[14172.094493] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14172.700108] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14172.700113] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14172.700116] CPU: 2 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14172.700118] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14172.700120] Call Trace:
>[14172.700128]  dump_stack+0x85/0xbf
>[14172.700133]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14172.700144]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14172.700153]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14172.700158]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14172.700163]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14172.700169]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14172.700173]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14172.700178]  ? mutex_trylock+0xcd/0xe0
>[14172.700181]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14172.700185]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14172.700219]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14172.700243]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14172.700265]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14172.700271]  ? debug_object_free+0x4c/0x130
>[14172.700292]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14172.700313]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14172.700330]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14172.700336]  ? __might_fault+0x3e/0x90
>[14172.700354]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14172.700366]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14172.700374]  drm_ioctl+0x2d5/0x370 [drm]
>[14172.700391]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14172.700410]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14172.700436]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14172.700440]  compat_SyS_ioctl+0x6db/0x1ca0
>[14172.700444]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14172.700447]  do_fast_syscall_32+0xbf/0x376
>[14172.700451]  entry_SYSENTER_compat+0x84/0x96
>[14173.268328] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14173.268334] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14173.268338] CPU: 6 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14173.268341] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14173.268343] Call Trace:
>[14173.268351]  dump_stack+0x85/0xbf
>[14173.268357]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14173.268367]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14173.268378]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14173.268385]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14173.268391]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14173.268400]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14173.268405]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14173.268412]  ? mutex_trylock+0xcd/0xe0
>[14173.268417]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14173.268423]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14173.268462]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14173.268495]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14173.268529]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14173.268534]  ? debug_object_free+0x4c/0x130
>[14173.268566]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14173.268598]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14173.268624]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14173.268630]  ? __might_fault+0x3e/0x90
>[14173.268657]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14173.268672]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14173.268683]  drm_ioctl+0x2d5/0x370 [drm]
>[14173.268708]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14173.268737]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14173.268771]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14173.268777]  compat_SyS_ioctl+0x6db/0x1ca0
>[14173.268782]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14173.268787]  do_fast_syscall_32+0xbf/0x376
>[14173.268792]  entry_SYSENTER_compat+0x84/0x96
>[14173.278678] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14173.278683] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14173.278688] CPU: 6 PID: 3625 Comm: steam Not tainted 4.16.0-rc7 #1
>[14173.278690] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14173.278692] Call Trace:
>[14173.278700]  dump_stack+0x85/0xbf
>[14173.278707]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14173.278717]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14173.278728]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14173.278736]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14173.278742]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14173.278751]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14173.278756]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14173.278763]  ? mutex_trylock+0xcd/0xe0
>[14173.278768]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14173.278774]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14173.278810]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14173.278849]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14173.278881]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14173.278886]  ? debug_object_free+0x4c/0x130
>[14173.278916]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14173.278946]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14173.278980]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14173.278987]  ? __might_fault+0x3e/0x90
>[14173.279013]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14173.279027]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14173.279038]  drm_ioctl+0x2d5/0x370 [drm]
>[14173.279063]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14173.279091]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14173.279126]  amdgpu_kms_compat_ioctl+0x10/0x20 [amdgpu]
>[14173.279131]  compat_SyS_ioctl+0x6db/0x1ca0
>[14173.279147]  ? trace_hardirqs_off_thunk+0x1a/0x1c
>[14173.279152]  do_fast_syscall_32+0xbf/0x376
>[14173.279158]  entry_SYSENTER_compat+0x84/0x96
>[14188.095512] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14190.438988] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14190.438993] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14190.438996] CPU: 1 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14190.438998] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14190.438999] Call Trace:
>[14190.439005]  dump_stack+0x85/0xbf
>[14190.439010]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14190.439017]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14190.439024]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14190.439029]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14190.439033]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14190.439038]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14190.439042]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14190.439046]  ? mutex_trylock+0xcd/0xe0
>[14190.439050]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14190.439053]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14190.439083]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14190.439107]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14190.439133]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14190.439155]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14190.439176]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14190.439193]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14190.439199]  ? __might_fault+0x3e/0x90
>[14190.439219]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14190.439232]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14190.439241]  drm_ioctl+0x2d5/0x370 [drm]
>[14190.439257]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14190.439277]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14190.439282]  do_vfs_ioctl+0xa5/0x6e0
>[14190.439286]  SyS_ioctl+0x74/0x80
>[14190.439290]  do_syscall_64+0x79/0x220
>[14190.439294]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14190.439296] RIP: 0033:0x7f6f9ac700f7
>[14190.439298] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14190.439300] RAX: ffffffffffffffda RBX: 000055d0acf22130 RCX: 00007f6f9ac700f7
>[14190.439302] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14190.439303] RBP: 00007ffd10a897b0 R08: 000055d0acf22130 R09: 0000000000000004
>[14190.439305] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14190.439307] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ac13e1d0
>[14192.484818] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14192.484823] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14192.484827] CPU: 3 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14192.484830] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14192.484832] Call Trace:
>[14192.484839]  dump_stack+0x85/0xbf
>[14192.484844]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14192.484853]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14192.484862]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14192.484868]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14192.484873]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14192.484881]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14192.484886]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14192.484891]  ? mutex_trylock+0xcd/0xe0
>[14192.484895]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14192.484901]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14192.484935]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14192.484962]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14192.485001]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14192.485031]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14192.485060]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14192.485084]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14192.485091]  ? __might_fault+0x3e/0x90
>[14192.485115]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14192.485128]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14192.485138]  drm_ioctl+0x2d5/0x370 [drm]
>[14192.485161]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14192.485189]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14192.485196]  do_vfs_ioctl+0xa5/0x6e0
>[14192.485203]  SyS_ioctl+0x74/0x80
>[14192.485208]  do_syscall_64+0x79/0x220
>[14192.485213]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14192.485216] RIP: 0033:0x7f6f9ac700f7
>[14192.485218] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14192.485221] RAX: ffffffffffffffda RBX: 000055d0acf22130 RCX: 00007f6f9ac700f7
>[14192.485223] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14192.485226] RBP: 00007ffd10a897b0 R08: 000055d0acf22130 R09: 0000000000000004
>[14192.485229] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14192.485231] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ac13e1d0
>[14193.358644] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14193.358648] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14193.358651] CPU: 6 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14193.358653] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14193.358654] Call Trace:
>[14193.358660]  dump_stack+0x85/0xbf
>[14193.358675]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14193.358682]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14193.358689]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14193.358693]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14193.358698]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14193.358704]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14193.358707]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14193.358712]  ? mutex_trylock+0xcd/0xe0
>[14193.358715]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14193.358719]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14193.358748]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14193.358770]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14193.358790]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14193.358822]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14193.358853]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14193.358870]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14193.358875]  ? __might_fault+0x3e/0x90
>[14193.358903]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14193.358915]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14193.358922]  drm_ioctl+0x2d5/0x370 [drm]
>[14193.358938]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14193.358958]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14193.358963]  do_vfs_ioctl+0xa5/0x6e0
>[14193.358968]  SyS_ioctl+0x74/0x80
>[14193.358972]  do_syscall_64+0x79/0x220
>[14193.358976]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14193.358979] RIP: 0033:0x7f6f9ac700f7
>[14193.358981] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14193.358984] RAX: ffffffffffffffda RBX: 000055d0acbf9370 RCX: 00007f6f9ac700f7
>[14193.358986] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14193.358988] RBP: 00007ffd10a897b0 R08: 000055d0acbf9370 R09: 0000000000000004
>[14193.358990] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14193.358991] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0acf0eec0
>[14199.497698] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14199.497703] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14199.497707] CPU: 1 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14199.497709] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14199.497711] Call Trace:
>[14199.497718]  dump_stack+0x85/0xbf
>[14199.497723]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14199.497732]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14199.497752]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14199.497758]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14199.497763]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14199.497772]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14199.497776]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14199.497783]  ? mutex_trylock+0xcd/0xe0
>[14199.497787]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14199.497794]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14199.497847]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14199.497886]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14199.497917]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14199.497923]  ? lock_acquire+0x9f/0x200
>[14199.497952]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14199.497981]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14199.498005]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14199.498012]  ? __might_fault+0x3e/0x90
>[14199.498038]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14199.498055]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14199.498066]  drm_ioctl+0x2d5/0x370 [drm]
>[14199.498091]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14199.498119]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14199.498126]  do_vfs_ioctl+0xa5/0x6e0
>[14199.498132]  SyS_ioctl+0x74/0x80
>[14199.498138]  do_syscall_64+0x79/0x220
>[14199.498142]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14199.498146] RIP: 0033:0x7f07d78580f7
>[14199.498148] RSP: 002b:00007ffc892201c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14199.498152] RAX: ffffffffffffffda RBX: 000000000335c3d0 RCX: 00007f07d78580f7
>[14199.498154] RDX: 00007ffc89220210 RSI: 00000000c0206440 RDI: 000000000000000b
>[14199.498157] RBP: 00007ffc89220210 R08: 000000000335c3d0 R09: 00007f07d7b1ce90
>[14199.498159] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14199.498161] R13: 000000000000000b R14: 00007ffc892202a8 R15: 00000000032e4b90
>[14202.674109] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14202.674115] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14202.674120] CPU: 2 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14202.674122] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14202.674125] Call Trace:
>[14202.674133]  dump_stack+0x85/0xbf
>[14202.674139]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14202.674149]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14202.674160]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14202.674168]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14202.674174]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14202.674184]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14202.674189]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14202.674197]  ? mutex_trylock+0xcd/0xe0
>[14202.674202]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14202.674208]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14202.674247]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14202.674279]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14202.674314]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14202.674320]  ? lock_acquire+0x9f/0x200
>[14202.674353]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14202.674385]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14202.674414]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14202.674421]  ? __might_fault+0x3e/0x90
>[14202.674451]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14202.674467]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14202.674478]  drm_ioctl+0x2d5/0x370 [drm]
>[14202.674506]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14202.674539]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14202.674546]  do_vfs_ioctl+0xa5/0x6e0
>[14202.674554]  SyS_ioctl+0x74/0x80
>[14202.674561]  do_syscall_64+0x79/0x220
>[14202.674566]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14202.674570] RIP: 0033:0x7f6f9ac700f7
>[14202.674573] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14202.674578] RAX: ffffffffffffffda RBX: 000055d0ac4e3730 RCX: 00007f6f9ac700f7
>[14202.674581] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14202.674584] RBP: 00007ffd10a897b0 R08: 000055d0ac4e3730 R09: 0000000000000004
>[14202.674587] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14202.674590] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad0037e0
>[14204.093512] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14204.259898] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14204.259903] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14204.259906] CPU: 2 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14204.259908] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14204.259909] Call Trace:
>[14204.259915]  dump_stack+0x85/0xbf
>[14204.259920]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14204.259927]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14204.259933]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14204.259938]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14204.259942]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14204.259948]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14204.259952]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14204.259957]  ? mutex_trylock+0xcd/0xe0
>[14204.259960]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14204.259964]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14204.259996]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14204.260020]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14204.260043]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14204.260065]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14204.260086]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14204.260103]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14204.260108]  ? __might_fault+0x3e/0x90
>[14204.260126]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14204.260137]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14204.260144]  drm_ioctl+0x2d5/0x370 [drm]
>[14204.260161]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14204.260180]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14204.260186]  do_vfs_ioctl+0xa5/0x6e0
>[14204.260191]  SyS_ioctl+0x74/0x80
>[14204.260196]  do_syscall_64+0x79/0x220
>[14204.260200]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14204.260203] RIP: 0033:0x7f6f9ac700f7
>[14204.260205] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14204.260208] RAX: ffffffffffffffda RBX: 000055d0acea68d0 RCX: 00007f6f9ac700f7
>[14204.260210] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14204.260212] RBP: 00007ffd10a897b0 R08: 000055d0acea68d0 R09: 000000000000000b
>[14204.260214] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14204.260216] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ace79c10
>[14211.743358] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14211.743363] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14211.743367] CPU: 7 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14211.743369] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14211.743371] Call Trace:
>[14211.743378]  dump_stack+0x85/0xbf
>[14211.743384]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14211.743393]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14211.743402]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14211.743409]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14211.743414]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14211.743421]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14211.743425]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14211.743430]  ? mutex_trylock+0xcd/0xe0
>[14211.743435]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14211.743440]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14211.743477]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14211.743507]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14211.743536]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14211.743566]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14211.743595]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14211.743621]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14211.743628]  ? __might_fault+0x3e/0x90
>[14211.743655]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14211.743670]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14211.743680]  drm_ioctl+0x2d5/0x370 [drm]
>[14211.743705]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14211.743733]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14211.743739]  do_vfs_ioctl+0xa5/0x6e0
>[14211.743745]  SyS_ioctl+0x74/0x80
>[14211.743750]  do_syscall_64+0x79/0x220
>[14211.743755]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14211.743758] RIP: 0033:0x7f6f9ac700f7
>[14211.743760] RSP: 002b:00007ffd10a896d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14211.743764] RAX: ffffffffffffffda RBX: 000055d0acfb3c80 RCX: 00007f6f9ac700f7
>[14211.743766] RDX: 00007ffd10a89720 RSI: 00000000c0206440 RDI: 000000000000000c
>[14211.743767] RBP: 00007ffd10a89720 R08: 000055d0acfb3c80 R09: 0000000000000005
>[14211.743770] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14211.743772] R13: 000000000000000c R14: 00007ffd10a897b8 R15: 000055d0acfb3bb0
>[14211.756496] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14211.756500] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14211.756503] CPU: 3 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14211.756505] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14211.756507] Call Trace:
>[14211.756513]  dump_stack+0x85/0xbf
>[14211.756517]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14211.756525]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14211.756531]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14211.756536]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14211.756539]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14211.756545]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14211.756548]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14211.756553]  ? mutex_trylock+0xcd/0xe0
>[14211.756556]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14211.756559]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14211.756594]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14211.756616]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14211.756638]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14211.756660]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14211.756681]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14211.756707]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14211.756713]  ? __might_fault+0x3e/0x90
>[14211.756732]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14211.756743]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14211.756750]  drm_ioctl+0x2d5/0x370 [drm]
>[14211.756767]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14211.756787]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14211.756792]  do_vfs_ioctl+0xa5/0x6e0
>[14211.756796]  SyS_ioctl+0x74/0x80
>[14211.756801]  do_syscall_64+0x79/0x220
>[14211.756804]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14211.756806] RIP: 0033:0x7f6f9ac700f7
>[14211.756808] RSP: 002b:00007ffd10a896d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14211.756811] RAX: ffffffffffffffda RBX: 000055d0acfb3c80 RCX: 00007f6f9ac700f7
>[14211.756812] RDX: 00007ffd10a89720 RSI: 00000000c0206440 RDI: 000000000000000c
>[14211.756814] RBP: 00007ffd10a89720 R08: 000055d0acfb3c80 R09: 0000000000000005
>[14211.756816] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14211.756817] R13: 000000000000000c R14: 00007ffd10a897b8 R15: 000055d0acfb3bb0
>[14211.803188] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14211.803196] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14211.803200] CPU: 5 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14211.803203] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14211.803205] Call Trace:
>[14211.803214]  dump_stack+0x85/0xbf
>[14211.803220]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14211.803231]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14211.803241]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14211.803248]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14211.803254]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14211.803262]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14211.803269]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14211.803275]  ? mutex_trylock+0xcd/0xe0
>[14211.803281]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14211.803286]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14211.803331]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14211.803363]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14211.803395]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14211.803426]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14211.803455]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14211.803481]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14211.803490]  ? __might_fault+0x3e/0x90
>[14211.803517]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14211.803533]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14211.803546]  drm_ioctl+0x2d5/0x370 [drm]
>[14211.803571]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14211.803599]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14211.803606]  do_vfs_ioctl+0xa5/0x6e0
>[14211.803612]  SyS_ioctl+0x74/0x80
>[14211.803617]  do_syscall_64+0x79/0x220
>[14211.803622]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14211.803625] RIP: 0033:0x7f6f9ac700f7
>[14211.803628] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14211.803631] RAX: ffffffffffffffda RBX: 000055d0ad22f080 RCX: 00007f6f9ac700f7
>[14211.803634] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14211.803635] RBP: 00007ffd10a897b0 R08: 000055d0ad22f080 R09: 0000000000000004
>[14211.803638] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14211.803640] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad214490
>[14215.587687] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14215.587691] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14215.587694] CPU: 3 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14215.587696] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14215.587698] Call Trace:
>[14215.587705]  dump_stack+0x85/0xbf
>[14215.587709]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14215.587717]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14215.587724]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14215.587739]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14215.587743]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14215.587749]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14215.587752]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14215.587757]  ? mutex_trylock+0xcd/0xe0
>[14215.587761]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14215.587764]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14215.587798]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14215.587824]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14215.587847]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14215.587884]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14215.587905]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14215.587934]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14215.587939]  ? __might_fault+0x3e/0x90
>[14215.587957]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14215.587969]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14215.587976]  drm_ioctl+0x2d5/0x370 [drm]
>[14215.587992]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14215.588011]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14215.588017]  do_vfs_ioctl+0xa5/0x6e0
>[14215.588021]  SyS_ioctl+0x74/0x80
>[14215.588025]  do_syscall_64+0x79/0x220
>[14215.588029]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14215.588031] RIP: 0033:0x7f6f9ac700f7
>[14215.588033] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14215.588036] RAX: ffffffffffffffda RBX: 000055d0ad3243b0 RCX: 00007f6f9ac700f7
>[14215.588037] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14215.588039] RBP: 00007ffd10a897b0 R08: 000055d0ad3243b0 R09: 00007f6f9af34cf0
>[14215.588041] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14215.588043] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad3242e0
>[14215.845552] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14215.845556] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14215.845559] CPU: 6 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14215.845561] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14215.845562] Call Trace:
>[14215.845568]  dump_stack+0x85/0xbf
>[14215.845572]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14215.845579]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14215.845585]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14215.845589]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14215.845593]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14215.845598]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14215.845612]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14215.845617]  ? mutex_trylock+0xcd/0xe0
>[14215.845620]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14215.845624]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14215.845664]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14215.845682]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14215.845710]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14215.845729]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14215.845757]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14215.845773]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14215.845778]  ? __might_fault+0x3e/0x90
>[14215.845794]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14215.845804]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14215.845811]  drm_ioctl+0x2d5/0x370 [drm]
>[14215.845826]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14215.845843]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14215.845848]  do_vfs_ioctl+0xa5/0x6e0
>[14215.845852]  SyS_ioctl+0x74/0x80
>[14215.845856]  do_syscall_64+0x79/0x220
>[14215.845859]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14215.845862] RIP: 0033:0x7f6f9ac700f7
>[14215.845863] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14215.845866] RAX: ffffffffffffffda RBX: 000055d0ace85930 RCX: 00007f6f9ac700f7
>[14215.845867] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14215.845869] RBP: 00007ffd10a897b0 R08: 000055d0ace85930 R09: 0000000000000004
>[14215.845870] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14215.845872] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad054010
>[14217.830626] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14217.830633] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14217.830637] CPU: 5 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14217.830640] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14217.830642] Call Trace:
>[14217.830650]  dump_stack+0x85/0xbf
>[14217.830656]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14217.830667]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14217.830676]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14217.830684]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14217.830690]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14217.830699]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14217.830705]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14217.830712]  ? mutex_trylock+0xcd/0xe0
>[14217.830717]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14217.830723]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14217.830768]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14217.830804]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14217.830842]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14217.830877]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14217.830913]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14217.830943]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14217.830950]  ? __might_fault+0x3e/0x90
>[14217.830982]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14217.831002]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14217.831015]  drm_ioctl+0x2d5/0x370 [drm]
>[14217.831044]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14217.831077]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14217.831085]  do_vfs_ioctl+0xa5/0x6e0
>[14217.831092]  SyS_ioctl+0x74/0x80
>[14217.831098]  do_syscall_64+0x79/0x220
>[14217.831103]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14217.831107] RIP: 0033:0x7f6f9ac700f7
>[14217.831110] RSP: 002b:00007ffd10a896d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14217.831114] RAX: ffffffffffffffda RBX: 000055d0acf54ce0 RCX: 00007f6f9ac700f7
>[14217.831117] RDX: 00007ffd10a89720 RSI: 00000000c0206440 RDI: 000000000000000c
>[14217.831119] RBP: 00007ffd10a89720 R08: 000055d0acf54ce0 R09: 0000000000000004
>[14217.831122] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14217.831124] R13: 000000000000000c R14: 00007ffd10a897b8 R15: 000055d0ac96d4f0
>[14217.846675] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14217.846682] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14217.846687] CPU: 1 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14217.846689] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14217.846692] Call Trace:
>[14217.846700]  dump_stack+0x85/0xbf
>[14217.846706]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14217.846717]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14217.846727]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14217.846734]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14217.846740]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14217.846749]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14217.846755]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14217.846761]  ? mutex_trylock+0xcd/0xe0
>[14217.846766]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14217.846773]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14217.846810]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14217.846843]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14217.846876]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14217.846909]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14217.846940]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14217.846967]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14217.846975]  ? __might_fault+0x3e/0x90
>[14217.847002]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14217.847016]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14217.847030]  drm_ioctl+0x2d5/0x370 [drm]
>[14217.847057]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14217.847089]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14217.847096]  do_vfs_ioctl+0xa5/0x6e0
>[14217.847104]  SyS_ioctl+0x74/0x80
>[14217.847111]  do_syscall_64+0x79/0x220
>[14217.847116]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14217.847120] RIP: 0033:0x7f6f9ac700f7
>[14217.847123] RSP: 002b:00007ffd10a896d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14217.847127] RAX: ffffffffffffffda RBX: 000055d0acf54ce0 RCX: 00007f6f9ac700f7
>[14217.847130] RDX: 00007ffd10a89720 RSI: 00000000c0206440 RDI: 000000000000000c
>[14217.847133] RBP: 00007ffd10a89720 R08: 000055d0acf54ce0 R09: 0000000000000004
>[14217.847135] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14217.847138] R13: 000000000000000c R14: 00007ffd10a897b8 R15: 000055d0ac96d4f0
>[14219.096211] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14219.096217] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14219.096222] CPU: 1 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14219.096225] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14219.096228] Call Trace:
>[14219.096235]  dump_stack+0x85/0xbf
>[14219.096241]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14219.096251]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14219.096262]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14219.096270]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14219.096277]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14219.096286]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14219.096291]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14219.096297]  ? mutex_trylock+0xcd/0xe0
>[14219.096302]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14219.096308]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14219.096344]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14219.096376]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14219.096411]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14219.096443]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14219.096476]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14219.096500]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14219.096506]  ? __might_fault+0x3e/0x90
>[14219.096532]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14219.096547]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14219.096559]  drm_ioctl+0x2d5/0x370 [drm]
>[14219.096587]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14219.096618]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14219.096624]  do_vfs_ioctl+0xa5/0x6e0
>[14219.096631]  SyS_ioctl+0x74/0x80
>[14219.096637]  do_syscall_64+0x79/0x220
>[14219.096642]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14219.096645] RIP: 0033:0x7f6f9ac700f7
>[14219.096648] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14219.096652] RAX: ffffffffffffffda RBX: 000055d0ac4f9640 RCX: 00007f6f9ac700f7
>[14219.096655] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14219.096657] RBP: 00007ffd10a897b0 R08: 000055d0ac4f9640 R09: 0000000000000004
>[14219.096660] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14219.096662] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad017bf0
>[14219.103858] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14219.103862] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14219.103866] CPU: 1 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14219.103868] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14219.103870] Call Trace:
>[14219.103876]  dump_stack+0x85/0xbf
>[14219.103880]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14219.103888]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14219.103895]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14219.103900]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14219.103905]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14219.103911]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14219.103914]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14219.103920]  ? mutex_trylock+0xcd/0xe0
>[14219.103923]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14219.103927]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14219.103959]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14219.103982]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14219.104011]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14219.104034]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14219.104056]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14219.104074]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14219.104080]  ? __might_fault+0x3e/0x90
>[14219.104100]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14219.104113]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14219.104121]  drm_ioctl+0x2d5/0x370 [drm]
>[14219.104141]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14219.104162]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14219.104168]  do_vfs_ioctl+0xa5/0x6e0
>[14219.104173]  SyS_ioctl+0x74/0x80
>[14219.104178]  do_syscall_64+0x79/0x220
>[14219.104182]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14219.104185] RIP: 0033:0x7f6f9ac700f7
>[14219.104187] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14219.104190] RAX: ffffffffffffffda RBX: 000055d0ac4f9640 RCX: 00007f6f9ac700f7
>[14219.104192] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14219.104194] RBP: 00007ffd10a897b0 R08: 000055d0ac4f9640 R09: 0000000000000004
>[14219.104195] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14219.104197] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad017bf0
>[14220.093549] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14222.123541] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14222.123546] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14222.123549] CPU: 0 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14222.123551] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14222.123553] Call Trace:
>[14222.123559]  dump_stack+0x85/0xbf
>[14222.123563]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14222.123570]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14222.123577]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14222.123583]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14222.123589]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14222.123598]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14222.123603]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14222.123608]  ? mutex_trylock+0xcd/0xe0
>[14222.123612]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14222.123617]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14222.123659]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14222.123692]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14222.123722]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14222.123744]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14222.123766]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14222.123783]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14222.123789]  ? __might_fault+0x3e/0x90
>[14222.123807]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14222.123818]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14222.123826]  drm_ioctl+0x2d5/0x370 [drm]
>[14222.123843]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14222.123872]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14222.123879]  do_vfs_ioctl+0xa5/0x6e0
>[14222.123884]  SyS_ioctl+0x74/0x80
>[14222.123888]  do_syscall_64+0x79/0x220
>[14222.123892]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14222.123895] RIP: 0033:0x7f6f9ac700f7
>[14222.123897] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14222.123900] RAX: ffffffffffffffda RBX: 000055d0ac6e0a30 RCX: 00007f6f9ac700f7
>[14222.123901] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14222.123903] RBP: 00007ffd10a897b0 R08: 000055d0ac6e0a30 R09: 0000000000000004
>[14222.123905] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14222.123907] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0acfabeb0
>[14223.191674] swiotlb_tbl_map_single: 2 callbacks suppressed
>[14223.191677] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14223.191683] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14223.191687] CPU: 2 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14223.191690] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14223.191693] Call Trace:
>[14223.191700]  dump_stack+0x85/0xbf
>[14223.191706]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14223.191716]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14223.191726]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14223.191734]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14223.191741]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14223.191750]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14223.191756]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14223.191763]  ? mutex_trylock+0xcd/0xe0
>[14223.191768]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14223.191774]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14223.191812]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14223.191847]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14223.191883]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14223.191917]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14223.191950]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14223.191980]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14223.191988]  ? __might_fault+0x3e/0x90
>[14223.192019]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14223.192036]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14223.192049]  drm_ioctl+0x2d5/0x370 [drm]
>[14223.192077]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14223.192109]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14223.192116]  do_vfs_ioctl+0xa5/0x6e0
>[14223.192123]  SyS_ioctl+0x74/0x80
>[14223.192130]  do_syscall_64+0x79/0x220
>[14223.192135]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14223.192139] RIP: 0033:0x7f6f9ac700f7
>[14223.192142] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14223.192146] RAX: ffffffffffffffda RBX: 000055d0ad1d5f50 RCX: 00007f6f9ac700f7
>[14223.192149] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14223.192152] RBP: 00007ffd10a897b0 R08: 000055d0ad1d5f50 R09: 0000000000000004
>[14223.192154] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14223.192157] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad2c0020
>[14225.792860] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14225.792864] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14225.792868] CPU: 6 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14225.792869] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14225.792871] Call Trace:
>[14225.792878]  dump_stack+0x85/0xbf
>[14225.792884]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14225.792894]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14225.792900]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14225.792905]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14225.792909]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14225.792915]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14225.792918]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14225.792923]  ? mutex_trylock+0xcd/0xe0
>[14225.792935]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14225.792939]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14225.792991]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14225.793012]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14225.793031]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14225.793052]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14225.793079]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14225.793098]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14225.793104]  ? __might_fault+0x3e/0x90
>[14225.793130]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14225.793146]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14225.793153]  drm_ioctl+0x2d5/0x370 [drm]
>[14225.793169]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14225.793187]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14225.793193]  do_vfs_ioctl+0xa5/0x6e0
>[14225.793197]  SyS_ioctl+0x74/0x80
>[14225.793202]  do_syscall_64+0x79/0x220
>[14225.793206]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14225.793209] RIP: 0033:0x7f6f9ac700f7
>[14225.793211] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14225.793214] RAX: ffffffffffffffda RBX: 000055d0ace8a750 RCX: 00007f6f9ac700f7
>[14225.793215] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14225.793217] RBP: 00007ffd10a897b0 R08: 000055d0ace8a750 R09: 0000000000000004
>[14225.793219] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14225.793220] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0acfdcf00
>[14225.802473] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14225.802476] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14225.802479] CPU: 6 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14225.802481] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14225.802482] Call Trace:
>[14225.802488]  dump_stack+0x85/0xbf
>[14225.802492]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14225.802499]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14225.802505]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14225.802509]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14225.802513]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14225.802518]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14225.802522]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14225.802526]  ? mutex_trylock+0xcd/0xe0
>[14225.802529]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14225.802533]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14225.802564]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14225.802582]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14225.802600]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14225.802619]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14225.802640]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14225.802662]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14225.802667]  ? __might_fault+0x3e/0x90
>[14225.802683]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14225.802695]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14225.802702]  drm_ioctl+0x2d5/0x370 [drm]
>[14225.802717]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14225.802734]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14225.802739]  do_vfs_ioctl+0xa5/0x6e0
>[14225.802743]  SyS_ioctl+0x74/0x80
>[14225.802747]  do_syscall_64+0x79/0x220
>[14225.802750]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14225.802753] RIP: 0033:0x7f6f9ac700f7
>[14225.802754] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14225.802757] RAX: ffffffffffffffda RBX: 000055d0ace8a750 RCX: 00007f6f9ac700f7
>[14225.802758] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14225.802760] RBP: 00007ffd10a897b0 R08: 000055d0ace8a750 R09: 0000000000000004
>[14225.802761] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14225.802763] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0acfdcf00
>[14226.601709] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14226.601713] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14226.601716] CPU: 4 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14226.601717] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14226.601719] Call Trace:
>[14226.601735]  dump_stack+0x85/0xbf
>[14226.601739]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14226.601745]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14226.601751]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14226.601756]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14226.601759]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14226.601764]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14226.601767]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14226.601772]  ? mutex_trylock+0xcd/0xe0
>[14226.601774]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14226.601778]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14226.601805]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14226.601825]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14226.601856]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14226.601877]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14226.601896]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14226.601914]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14226.601919]  ? __might_fault+0x3e/0x90
>[14226.601937]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14226.601948]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14226.601955]  drm_ioctl+0x2d5/0x370 [drm]
>[14226.601982]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14226.602001]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14226.602006]  do_vfs_ioctl+0xa5/0x6e0
>[14226.602017]  SyS_ioctl+0x74/0x80
>[14226.602021]  do_syscall_64+0x79/0x220
>[14226.602024]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14226.602027] RIP: 0033:0x7f6f9ac700f7
>[14226.602029] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14226.602032] RAX: ffffffffffffffda RBX: 000055d0ad01e7e0 RCX: 00007f6f9ac700f7
>[14226.602034] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14226.602035] RBP: 00007ffd10a897b0 R08: 000055d0ad01e7e0 R09: 0000000000000004
>[14226.602037] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14226.602038] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad0217a0
>[14227.913592] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14227.913597] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14227.913601] CPU: 6 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14227.913603] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14227.913606] Call Trace:
>[14227.913623]  dump_stack+0x85/0xbf
>[14227.913638]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14227.913648]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14227.913658]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14227.913665]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14227.913671]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14227.913680]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14227.913685]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14227.913692]  ? mutex_trylock+0xcd/0xe0
>[14227.913696]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14227.913702]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14227.913739]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14227.913772]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14227.913805]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14227.913838]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14227.913868]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14227.913895]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14227.913902]  ? __might_fault+0x3e/0x90
>[14227.913930]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14227.913945]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14227.913956]  drm_ioctl+0x2d5/0x370 [drm]
>[14227.913982]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14227.914013]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14227.914019]  do_vfs_ioctl+0xa5/0x6e0
>[14227.914027]  SyS_ioctl+0x74/0x80
>[14227.914033]  do_syscall_64+0x79/0x220
>[14227.914037]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14227.914041] RIP: 0033:0x7f6f9ac700f7
>[14227.914043] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14227.914047] RAX: ffffffffffffffda RBX: 000055d0ad13f660 RCX: 00007f6f9ac700f7
>[14227.914050] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14227.914053] RBP: 00007ffd10a897b0 R08: 000055d0ad13f660 R09: 0000000000000004
>[14227.914055] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14227.914057] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad0e3f10
>[14229.429067] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14229.429072] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14229.429074] CPU: 2 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14229.429076] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14229.429078] Call Trace:
>[14229.429084]  dump_stack+0x85/0xbf
>[14229.429088]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14229.429095]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14229.429101]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14229.429106]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14229.429110]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14229.429116]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14229.429119]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14229.429124]  ? mutex_trylock+0xcd/0xe0
>[14229.429127]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14229.429131]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14229.429164]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14229.429188]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14229.429210]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14229.429231]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14229.429259]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14229.429277]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14229.429283]  ? __might_fault+0x3e/0x90
>[14229.429301]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14229.429314]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14229.429321]  drm_ioctl+0x2d5/0x370 [drm]
>[14229.429337]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14229.429356]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14229.429361]  do_vfs_ioctl+0xa5/0x6e0
>[14229.429366]  SyS_ioctl+0x74/0x80
>[14229.429371]  do_syscall_64+0x79/0x220
>[14229.429374]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14229.429377] RIP: 0033:0x7f6f9ac700f7
>[14229.429379] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14229.429381] RAX: ffffffffffffffda RBX: 000055d0ad1cad30 RCX: 00007f6f9ac700f7
>[14229.429383] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14229.429385] RBP: 00007ffd10a897b0 R08: 000055d0ad1cad30 R09: 0000000000000004
>[14229.429386] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14229.429388] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad0ff2b0
>[14230.513929] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14230.513936] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14230.513939] CPU: 0 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14230.513942] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14230.513944] Call Trace:
>[14230.513953]  dump_stack+0x85/0xbf
>[14230.513959]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14230.513970]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14230.513980]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14230.513988]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14230.513994]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14230.514002]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14230.514007]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14230.514013]  ? mutex_trylock+0xcd/0xe0
>[14230.514017]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14230.514022]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14230.514086]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14230.514132]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14230.514167]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14230.514201]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14230.514234]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14230.514262]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14230.514270]  ? __might_fault+0x3e/0x90
>[14230.514298]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14230.514320]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14230.514334]  drm_ioctl+0x2d5/0x370 [drm]
>[14230.514361]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14230.514391]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14230.514398]  do_vfs_ioctl+0xa5/0x6e0
>[14230.514405]  SyS_ioctl+0x74/0x80
>[14230.514411]  do_syscall_64+0x79/0x220
>[14230.514416]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14230.514420] RIP: 0033:0x7f6f9ac700f7
>[14230.514423] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14230.514427] RAX: ffffffffffffffda RBX: 000055d0aceaa4b0 RCX: 00007f6f9ac700f7
>[14230.514429] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14230.514431] RBP: 00007ffd10a897b0 R08: 000055d0aceaa4b0 R09: 0000000000000004
>[14230.514434] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14230.514436] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad157730
>[14230.669726] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14230.669732] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14230.669737] CPU: 2 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14230.669740] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14230.669742] Call Trace:
>[14230.669750]  dump_stack+0x85/0xbf
>[14230.669756]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14230.669766]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14230.669777]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14230.669786]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14230.669793]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14230.669802]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14230.669807]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14230.669814]  ? mutex_trylock+0xcd/0xe0
>[14230.669819]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14230.669826]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14230.669862]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14230.669894]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14230.669927]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14230.669960]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14230.669992]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14230.670020]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14230.670027]  ? __might_fault+0x3e/0x90
>[14230.670056]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14230.670072]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14230.670084]  drm_ioctl+0x2d5/0x370 [drm]
>[14230.670112]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14230.670143]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14230.670150]  do_vfs_ioctl+0xa5/0x6e0
>[14230.670157]  SyS_ioctl+0x74/0x80
>[14230.670162]  do_syscall_64+0x79/0x220
>[14230.670167]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14230.670171] RIP: 0033:0x7f6f9ac700f7
>[14230.670174] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14230.670178] RAX: ffffffffffffffda RBX: 000055d0aceaa4b0 RCX: 00007f6f9ac700f7
>[14230.670180] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14230.670183] RBP: 00007ffd10a897b0 R08: 000055d0aceaa4b0 R09: 0000000000000004
>[14230.670186] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14230.670188] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad157730
>[14233.603952] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14233.603957] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14233.603961] CPU: 3 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14233.603963] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14233.603965] Call Trace:
>[14233.603971]  dump_stack+0x85/0xbf
>[14233.603977]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14233.603985]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14233.603993]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14233.604000]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14233.604005]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14233.604013]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14233.604018]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14233.604025]  ? mutex_trylock+0xcd/0xe0
>[14233.604029]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14233.604034]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14233.604080]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14233.604112]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14233.604144]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14233.604172]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14233.604194]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14233.604212]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14233.604217]  ? __might_fault+0x3e/0x90
>[14233.604236]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14233.604249]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14233.604257]  drm_ioctl+0x2d5/0x370 [drm]
>[14233.604274]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14233.604293]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14233.604298]  do_vfs_ioctl+0xa5/0x6e0
>[14233.604304]  SyS_ioctl+0x74/0x80
>[14233.604310]  do_syscall_64+0x79/0x220
>[14233.604314]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14233.604317] RIP: 0033:0x7f6f9ac700f7
>[14233.604319] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14233.604322] RAX: ffffffffffffffda RBX: 000055d0aceb88a0 RCX: 00007f6f9ac700f7
>[14233.604324] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14233.604325] RBP: 00007ffd10a897b0 R08: 000055d0aceb88a0 R09: 0000000000000004
>[14233.604327] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14233.604329] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0aceb2fe0
>[14236.093552] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14237.895052] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14237.895058] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14237.895062] CPU: 5 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14237.895065] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14237.895067] Call Trace:
>[14237.895076]  dump_stack+0x85/0xbf
>[14237.895082]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14237.895091]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14237.895100]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14237.895107]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14237.895114]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14237.895122]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14237.895127]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14237.895134]  ? mutex_trylock+0xcd/0xe0
>[14237.895139]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14237.895145]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14237.895187]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14237.895220]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14237.895254]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14237.895286]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14237.895315]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14237.895341]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14237.895348]  ? __might_fault+0x3e/0x90
>[14237.895375]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14237.895391]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14237.895404]  drm_ioctl+0x2d5/0x370 [drm]
>[14237.895432]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14237.895462]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14237.895469]  do_vfs_ioctl+0xa5/0x6e0
>[14237.895475]  SyS_ioctl+0x74/0x80
>[14237.895481]  do_syscall_64+0x79/0x220
>[14237.895486]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14237.895490] RIP: 0033:0x7f07d78580f7
>[14237.895492] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14237.895496] RAX: ffffffffffffffda RBX: 00000000032a8d90 RCX: 00007f07d78580f7
>[14237.895498] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14237.895510] RBP: 00007ffc892203c0 R08: 00000000032a8d90 R09: 0000000000000004
>[14237.895512] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14237.895515] R13: 000000000000000b R14: 00007ffc89220458 R15: 0000000002f70550
>[14237.911571] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14237.911578] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14237.911582] CPU: 2 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14237.911585] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14237.911587] Call Trace:
>[14237.911595]  dump_stack+0x85/0xbf
>[14237.911601]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14237.911622]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14237.911632]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14237.911648]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14237.911652]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14237.911658]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14237.911662]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14237.911667]  ? mutex_trylock+0xcd/0xe0
>[14237.911670]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14237.911674]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14237.911728]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14237.911752]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14237.911774]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14237.911796]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14237.911816]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14237.911833]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14237.911839]  ? __might_fault+0x3e/0x90
>[14237.911856]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14237.911868]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14237.911875]  drm_ioctl+0x2d5/0x370 [drm]
>[14237.911892]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14237.911911]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14237.911916]  do_vfs_ioctl+0xa5/0x6e0
>[14237.911931]  SyS_ioctl+0x74/0x80
>[14237.911936]  do_syscall_64+0x79/0x220
>[14237.911940]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14237.911942] RIP: 0033:0x7f07d78580f7
>[14237.911944] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14237.911947] RAX: ffffffffffffffda RBX: 00000000032a8d90 RCX: 00007f07d78580f7
>[14237.911959] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14237.911961] RBP: 00007ffc892203c0 R08: 00000000032a8d90 R09: 0000000000000004
>[14237.911963] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14237.911964] R13: 000000000000000b R14: 00007ffc89220458 R15: 0000000002f70550
>[14240.060750] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14240.060755] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14240.060758] CPU: 3 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14240.060761] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14240.060763] Call Trace:
>[14240.060770]  dump_stack+0x85/0xbf
>[14240.060776]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14240.060785]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14240.060794]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14240.060801]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14240.060818]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14240.060825]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14240.060840]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14240.060847]  ? mutex_trylock+0xcd/0xe0
>[14240.060851]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14240.060857]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14240.060906]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14240.060946]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14240.060988]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14240.061017]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14240.061056]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14240.061082]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14240.061089]  ? __might_fault+0x3e/0x90
>[14240.061115]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14240.061130]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14240.061142]  drm_ioctl+0x2d5/0x370 [drm]
>[14240.061167]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14240.061193]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14240.061200]  do_vfs_ioctl+0xa5/0x6e0
>[14240.061206]  SyS_ioctl+0x74/0x80
>[14240.061211]  do_syscall_64+0x79/0x220
>[14240.061215]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14240.061218] RIP: 0033:0x7f07d78580f7
>[14240.061221] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14240.061224] RAX: ffffffffffffffda RBX: 00000000032edde0 RCX: 00007f07d78580f7
>[14240.061226] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14240.061229] RBP: 00007ffc892203c0 R08: 00000000032edde0 R09: 0000000000000004
>[14240.061231] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14240.061233] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000032ec2d0
>[14242.438636] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14242.438642] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14242.438646] CPU: 6 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14242.438648] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14242.438651] Call Trace:
>[14242.438658]  dump_stack+0x85/0xbf
>[14242.438664]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14242.438673]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14242.438682]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14242.438688]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14242.438694]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14242.438702]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14242.438707]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14242.438712]  ? mutex_trylock+0xcd/0xe0
>[14242.438717]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14242.438722]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14242.438764]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14242.438794]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14242.438827]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14242.438859]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14242.438887]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14242.438913]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14242.438920]  ? __might_fault+0x3e/0x90
>[14242.438945]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14242.438957]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14242.438965]  drm_ioctl+0x2d5/0x370 [drm]
>[14242.438982]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14242.439001]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14242.439006]  do_vfs_ioctl+0xa5/0x6e0
>[14242.439011]  SyS_ioctl+0x74/0x80
>[14242.439015]  do_syscall_64+0x79/0x220
>[14242.439019]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14242.439021] RIP: 0033:0x7f6f9ac700f7
>[14242.439023] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14242.439026] RAX: ffffffffffffffda RBX: 000055d0ace90620 RCX: 00007f6f9ac700f7
>[14242.439027] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14242.439029] RBP: 00007ffd10a897b0 R08: 000055d0ace90620 R09: 0000000000000004
>[14242.439030] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14242.439032] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad0b07d0
>[14242.739821] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14242.739827] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14242.739832] CPU: 3 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14242.739834] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14242.739837] Call Trace:
>[14242.739844]  dump_stack+0x85/0xbf
>[14242.739851]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14242.739861]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14242.739870]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14242.739878]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14242.739883]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14242.739892]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14242.739897]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14242.739904]  ? mutex_trylock+0xcd/0xe0
>[14242.739909]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14242.739915]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14242.739953]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14242.739984]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14242.740017]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14242.740049]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14242.740081]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14242.740108]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14242.740115]  ? __might_fault+0x3e/0x90
>[14242.740142]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14242.740158]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14242.740169]  drm_ioctl+0x2d5/0x370 [drm]
>[14242.740196]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14242.740226]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14242.740233]  do_vfs_ioctl+0xa5/0x6e0
>[14242.740239]  SyS_ioctl+0x74/0x80
>[14242.740245]  do_syscall_64+0x79/0x220
>[14242.740250]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14242.740253] RIP: 0033:0x7f07d78580f7
>[14242.740256] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14242.740260] RAX: ffffffffffffffda RBX: 000000000335ca90 RCX: 00007f07d78580f7
>[14242.740262] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14242.740265] RBP: 00007ffc892203c0 R08: 000000000335ca90 R09: 0000000000000004
>[14242.740267] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14242.740270] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000034ef7e0
>[14243.582270] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14243.582276] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14243.582280] CPU: 2 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14243.582283] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14243.582285] Call Trace:
>[14243.582292]  dump_stack+0x85/0xbf
>[14243.582298]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14243.582308]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14243.582318]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14243.582326]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14243.582333]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14243.582341]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14243.582347]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14243.582353]  ? mutex_trylock+0xcd/0xe0
>[14243.582358]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14243.582364]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14243.582409]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14243.582443]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14243.582477]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14243.582510]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14243.582541]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14243.582568]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14243.582576]  ? __might_fault+0x3e/0x90
>[14243.582604]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14243.582621]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14243.582633]  drm_ioctl+0x2d5/0x370 [drm]
>[14243.582660]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14243.582690]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14243.582697]  do_vfs_ioctl+0xa5/0x6e0
>[14243.582704]  SyS_ioctl+0x74/0x80
>[14243.582709]  do_syscall_64+0x79/0x220
>[14243.582714]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14243.582718] RIP: 0033:0x7f6f9ac700f7
>[14243.582720] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14243.582724] RAX: ffffffffffffffda RBX: 000055d0ad3bb100 RCX: 00007f6f9ac700f7
>[14243.582726] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14243.582729] RBP: 00007ffd10a897b0 R08: 000055d0ad3bb100 R09: 0000000000000004
>[14243.582731] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14243.582733] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad2ccc70
>[14245.144020] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14245.144026] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14245.144030] CPU: 4 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14245.144032] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14245.144035] Call Trace:
>[14245.144042]  dump_stack+0x85/0xbf
>[14245.144048]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14245.144058]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14245.144068]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14245.144075]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14245.144080]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14245.144089]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14245.144094]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14245.144100]  ? mutex_trylock+0xcd/0xe0
>[14245.144104]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14245.144110]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14245.144146]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14245.144176]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14245.144205]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14245.144235]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14245.144263]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14245.144288]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14245.144294]  ? __might_fault+0x3e/0x90
>[14245.144320]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14245.144335]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14245.144346]  drm_ioctl+0x2d5/0x370 [drm]
>[14245.144370]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14245.144397]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14245.144403]  do_vfs_ioctl+0xa5/0x6e0
>[14245.144410]  SyS_ioctl+0x74/0x80
>[14245.144416]  do_syscall_64+0x79/0x220
>[14245.144420]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14245.144423] RIP: 0033:0x7f6f9ac700f7
>[14245.144426] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14245.144430] RAX: ffffffffffffffda RBX: 000055d0ad318af0 RCX: 00007f6f9ac700f7
>[14245.144432] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14245.144435] RBP: 00007ffd10a897b0 R08: 000055d0ad318af0 R09: 0000000000000004
>[14245.144437] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14245.144439] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad2d3650
>[14246.080890] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14246.080896] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14246.080900] CPU: 6 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14246.080903] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14246.080905] Call Trace:
>[14246.080913]  dump_stack+0x85/0xbf
>[14246.080918]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14246.080928]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14246.080938]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14246.080946]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14246.080951]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14246.080960]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14246.080966]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14246.080972]  ? mutex_trylock+0xcd/0xe0
>[14246.080977]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14246.080984]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14246.081019]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14246.081054]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14246.081088]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14246.081121]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14246.081152]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14246.081181]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14246.081188]  ? __might_fault+0x3e/0x90
>[14246.081217]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14246.081232]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14246.081245]  drm_ioctl+0x2d5/0x370 [drm]
>[14246.081271]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14246.081302]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14246.081309]  do_vfs_ioctl+0xa5/0x6e0
>[14246.081316]  SyS_ioctl+0x74/0x80
>[14246.081323]  do_syscall_64+0x79/0x220
>[14246.081328]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14246.081331] RIP: 0033:0x7f07d78580f7
>[14246.081334] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14246.081338] RAX: ffffffffffffffda RBX: 00000000032edde0 RCX: 00007f07d78580f7
>[14246.081341] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14246.081343] RBP: 00007ffc892203c0 R08: 00000000032edde0 R09: 0000000000000004
>[14246.081346] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14246.081349] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000032444a0
>[14247.409475] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14247.409481] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14247.409485] CPU: 4 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14247.409488] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14247.409490] Call Trace:
>[14247.409498]  dump_stack+0x85/0xbf
>[14247.409504]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14247.409523]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14247.409533]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14247.409540]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14247.409546]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14247.409565]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14247.409570]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14247.409578]  ? mutex_trylock+0xcd/0xe0
>[14247.409583]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14247.409589]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14247.409630]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14247.409664]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14247.409698]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14247.409731]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14247.409762]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14247.409789]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14247.409798]  ? __might_fault+0x3e/0x90
>[14247.409825]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14247.409840]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14247.409852]  drm_ioctl+0x2d5/0x370 [drm]
>[14247.409879]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14247.409909]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14247.409916]  do_vfs_ioctl+0xa5/0x6e0
>[14247.409923]  SyS_ioctl+0x74/0x80
>[14247.409930]  do_syscall_64+0x79/0x220
>[14247.409935]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14247.409939] RIP: 0033:0x7f6f9ac700f7
>[14247.409942] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14247.409946] RAX: ffffffffffffffda RBX: 000055d0ad2bf4d0 RCX: 00007f6f9ac700f7
>[14247.409949] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14247.409952] RBP: 00007ffd10a897b0 R08: 000055d0ad2bf4d0 R09: 0000000000000004
>[14247.409954] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14247.409957] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad3edc30
>[14250.442655] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14250.442660] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14250.442665] CPU: 3 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14250.442667] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14250.442669] Call Trace:
>[14250.442676]  dump_stack+0x85/0xbf
>[14250.442681]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14250.442687]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14250.442694]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14250.442698]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14250.442702]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14250.442707]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14250.442711]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14250.442715]  ? mutex_trylock+0xcd/0xe0
>[14250.442718]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14250.442722]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14250.442755]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14250.442777]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14250.442799]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14250.442823]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14250.442844]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14250.442860]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14250.442866]  ? __might_fault+0x3e/0x90
>[14250.442884]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14250.442895]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14250.442902]  drm_ioctl+0x2d5/0x370 [drm]
>[14250.442927]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14250.442950]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14250.442955]  do_vfs_ioctl+0xa5/0x6e0
>[14250.442960]  SyS_ioctl+0x74/0x80
>[14250.442964]  do_syscall_64+0x79/0x220
>[14250.442967]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14250.442970] RIP: 0033:0x7f6f9ac700f7
>[14250.442971] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14250.442974] RAX: ffffffffffffffda RBX: 000055d0ad152520 RCX: 00007f6f9ac700f7
>[14250.442976] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14250.442977] RBP: 00007ffd10a897b0 R08: 000055d0ad152520 R09: 0000000000000004
>[14250.442979] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14250.442980] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad241a90
>[14251.342394] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14251.342400] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14251.342403] CPU: 0 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14251.342406] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14251.342408] Call Trace:
>[14251.342415]  dump_stack+0x85/0xbf
>[14251.342421]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14251.342430]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14251.342439]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14251.342446]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14251.342452]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14251.342460]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14251.342465]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14251.342472]  ? mutex_trylock+0xcd/0xe0
>[14251.342476]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14251.342482]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14251.342519]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14251.342571]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14251.342604]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14251.342636]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14251.342667]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14251.342693]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14251.342700]  ? __might_fault+0x3e/0x90
>[14251.342728]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14251.342742]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14251.342755]  drm_ioctl+0x2d5/0x370 [drm]
>[14251.342780]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14251.342809]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14251.342816]  do_vfs_ioctl+0xa5/0x6e0
>[14251.342823]  SyS_ioctl+0x74/0x80
>[14251.342828]  do_syscall_64+0x79/0x220
>[14251.342833]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14251.342836] RIP: 0033:0x7f6f9ac700f7
>[14251.342839] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14251.342842] RAX: ffffffffffffffda RBX: 000055d0ad007940 RCX: 00007f6f9ac700f7
>[14251.342845] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14251.342847] RBP: 00007ffd10a897b0 R08: 000055d0ad007940 R09: 0000000000000004
>[14251.342850] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14251.342852] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad30ff10
>[14252.094582] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14252.826858] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14252.826864] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14252.826868] CPU: 0 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14252.826870] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14252.826872] Call Trace:
>[14252.826879]  dump_stack+0x85/0xbf
>[14252.826884]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14252.826894]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14252.826903]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14252.826911]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14252.826916]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14252.826924]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14252.826929]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14252.826935]  ? mutex_trylock+0xcd/0xe0
>[14252.826940]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14252.826945]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14252.826981]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14252.827012]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14252.827042]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14252.827073]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14252.827102]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14252.827127]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14252.827134]  ? __might_fault+0x3e/0x90
>[14252.827160]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14252.827174]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14252.827185]  drm_ioctl+0x2d5/0x370 [drm]
>[14252.827210]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14252.827238]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14252.827244]  do_vfs_ioctl+0xa5/0x6e0
>[14252.827250]  SyS_ioctl+0x74/0x80
>[14252.827256]  do_syscall_64+0x79/0x220
>[14252.827260]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14252.827263] RIP: 0033:0x7f07d78580f7
>[14252.827265] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14252.827269] RAX: ffffffffffffffda RBX: 00000000032edde0 RCX: 00007f07d78580f7
>[14252.827271] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14252.827273] RBP: 00007ffc892203c0 R08: 00000000032edde0 R09: 0000000000000004
>[14252.827275] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14252.827278] R13: 000000000000000b R14: 00007ffc89220458 R15: 000000000345de60
>[14252.840108] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14252.840114] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14252.840118] CPU: 0 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14252.840120] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14252.840122] Call Trace:
>[14252.840129]  dump_stack+0x85/0xbf
>[14252.840134]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14252.840143]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14252.840153]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14252.840159]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14252.840165]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14252.840172]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14252.840177]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14252.840183]  ? mutex_trylock+0xcd/0xe0
>[14252.840188]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14252.840194]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14252.840229]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14252.840259]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14252.840291]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14252.840297]  ? lock_acquire+0x9f/0x200
>[14252.840325]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14252.840355]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14252.840379]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14252.840386]  ? __might_fault+0x3e/0x90
>[14252.840410]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14252.840422]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14252.840433]  drm_ioctl+0x2d5/0x370 [drm]
>[14252.840457]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14252.840484]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14252.840490]  do_vfs_ioctl+0xa5/0x6e0
>[14252.840496]  SyS_ioctl+0x74/0x80
>[14252.840502]  do_syscall_64+0x79/0x220
>[14252.840507]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14252.840510] RIP: 0033:0x7f07d78580f7
>[14252.840512] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14252.840516] RAX: ffffffffffffffda RBX: 00000000032a8d90 RCX: 00007f07d78580f7
>[14252.840519] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14252.840522] RBP: 00007ffc892203c0 R08: 00000000032a8d90 R09: 0000000000000004
>[14252.840524] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14252.840527] R13: 000000000000000b R14: 00007ffc89220458 R15: 0000000003279690
>[14252.859444] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14252.859451] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14252.859455] CPU: 0 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14252.859457] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14252.859460] Call Trace:
>[14252.859467]  dump_stack+0x85/0xbf
>[14252.859473]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14252.859482]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14252.859493]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14252.859500]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14252.859506]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14252.859514]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14252.859519]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14252.859526]  ? mutex_trylock+0xcd/0xe0
>[14252.859531]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14252.859536]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14252.859574]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14252.859605]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14252.859637]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14252.859667]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14252.859696]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14252.859719]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14252.859725]  ? __might_fault+0x3e/0x90
>[14252.859750]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14252.859766]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14252.859778]  drm_ioctl+0x2d5/0x370 [drm]
>[14252.859802]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14252.859829]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14252.859835]  do_vfs_ioctl+0xa5/0x6e0
>[14252.859842]  SyS_ioctl+0x74/0x80
>[14252.859847]  do_syscall_64+0x79/0x220
>[14252.859851]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14252.859855] RIP: 0033:0x7f07d78580f7
>[14252.859858] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14252.859861] RAX: ffffffffffffffda RBX: 0000000003467cb0 RCX: 00007f07d78580f7
>[14252.859864] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14252.859866] RBP: 00007ffc892203c0 R08: 0000000003467cb0 R09: 0000000000000004
>[14252.859869] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14252.859872] R13: 000000000000000b R14: 00007ffc89220458 R15: 0000000002f70550
>[14255.461869] swiotlb_tbl_map_single: 22 callbacks suppressed
>[14255.461872] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14255.461879] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14255.461883] CPU: 2 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14255.461886] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14255.461889] Call Trace:
>[14255.461897]  dump_stack+0x85/0xbf
>[14255.461903]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14255.461913]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14255.461922]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14255.461929]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14255.461935]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14255.461943]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14255.461958]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14255.461963]  ? mutex_trylock+0xcd/0xe0
>[14255.461976]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14255.461981]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14255.462021]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14255.462050]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14255.462078]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14255.462084]  ? lock_acquire+0x9f/0x200
>[14255.462111]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14255.462138]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14255.462161]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14255.462167]  ? __might_fault+0x3e/0x90
>[14255.462191]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14255.462206]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14255.462217]  drm_ioctl+0x2d5/0x370 [drm]
>[14255.462240]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14255.462266]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14255.462272]  do_vfs_ioctl+0xa5/0x6e0
>[14255.462278]  SyS_ioctl+0x74/0x80
>[14255.462283]  do_syscall_64+0x79/0x220
>[14255.462287]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14255.462290] RIP: 0033:0x7f07d78580f7
>[14255.462292] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14255.462296] RAX: ffffffffffffffda RBX: 00000000032ecb30 RCX: 00007f07d78580f7
>[14255.462298] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14255.462300] RBP: 00007ffc892203c0 R08: 00000000032ecb30 R09: 0000000000000004
>[14255.462302] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14255.462304] R13: 000000000000000b R14: 00007ffc89220458 R15: 0000000003437e60
>[14255.481098] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14255.481104] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14255.481109] CPU: 7 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14255.481111] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14255.481114] Call Trace:
>[14255.481123]  dump_stack+0x85/0xbf
>[14255.481129]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14255.481141]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14255.481152]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14255.481159]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14255.481165]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14255.481182]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14255.481187]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14255.481203]  ? mutex_trylock+0xcd/0xe0
>[14255.481208]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14255.481213]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14255.481254]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14255.481289]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14255.481321]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14255.481328]  ? __wake_up_common_lock+0x89/0xc0
>[14255.481356]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14255.481385]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14255.481412]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14255.481418]  ? __might_fault+0x3e/0x90
>[14255.481444]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14255.481458]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14255.481469]  drm_ioctl+0x2d5/0x370 [drm]
>[14255.481494]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14255.481520]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14255.481527]  do_vfs_ioctl+0xa5/0x6e0
>[14255.481534]  SyS_ioctl+0x74/0x80
>[14255.481540]  do_syscall_64+0x79/0x220
>[14255.481545]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14255.481549] RIP: 0033:0x7f07d78580f7
>[14255.481551] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14255.481555] RAX: ffffffffffffffda RBX: 000000000345f260 RCX: 00007f07d78580f7
>[14255.481557] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14255.481559] RBP: 00007ffc892203c0 R08: 000000000345f260 R09: 0000000000000004
>[14255.481561] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14255.481564] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000032bdb10
>[14255.496490] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14255.496494] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14255.496497] CPU: 0 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14255.496499] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14255.496501] Call Trace:
>[14255.496507]  dump_stack+0x85/0xbf
>[14255.496512]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14255.496519]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14255.496526]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14255.496531]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14255.496536]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14255.496542]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14255.496546]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14255.496552]  ? mutex_trylock+0xcd/0xe0
>[14255.496555]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14255.496559]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14255.496590]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14255.496612]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14255.496635]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14255.496640]  ? lock_acquire+0x9f/0x200
>[14255.496660]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14255.496681]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14255.496699]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14255.496704]  ? __might_fault+0x3e/0x90
>[14255.496723]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14255.496735]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14255.496742]  drm_ioctl+0x2d5/0x370 [drm]
>[14255.496760]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14255.496780]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14255.496785]  do_vfs_ioctl+0xa5/0x6e0
>[14255.496790]  SyS_ioctl+0x74/0x80
>[14255.496795]  do_syscall_64+0x79/0x220
>[14255.496798]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14255.496801] RIP: 0033:0x7f07d78580f7
>[14255.496803] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14255.496806] RAX: ffffffffffffffda RBX: 00000000032bf090 RCX: 00007f07d78580f7
>[14255.496808] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14255.496810] RBP: 00007ffc892203c0 R08: 00000000032bf090 R09: 0000000000000004
>[14255.496812] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14255.496814] R13: 000000000000000b R14: 00007ffc89220458 R15: 0000000003437d00
>[14255.696356] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14255.696363] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14255.696366] CPU: 1 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14255.696369] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14255.696371] Call Trace:
>[14255.696379]  dump_stack+0x85/0xbf
>[14255.696384]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14255.696393]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14255.696403]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14255.696410]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14255.696416]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14255.696424]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14255.696428]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14255.696434]  ? mutex_trylock+0xcd/0xe0
>[14255.696439]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14255.696445]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14255.696480]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14255.696512]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14255.696544]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14255.696574]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14255.696604]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14255.696632]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14255.696639]  ? __might_fault+0x3e/0x90
>[14255.696666]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14255.696679]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14255.696691]  drm_ioctl+0x2d5/0x370 [drm]
>[14255.696717]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14255.696747]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14255.696754]  do_vfs_ioctl+0xa5/0x6e0
>[14255.696760]  SyS_ioctl+0x74/0x80
>[14255.696766]  do_syscall_64+0x79/0x220
>[14255.696771]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14255.696774] RIP: 0033:0x7f07d78580f7
>[14255.696777] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14255.696781] RAX: ffffffffffffffda RBX: 000000000335ca90 RCX: 00007f07d78580f7
>[14255.696783] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14255.696786] RBP: 00007ffc892203c0 R08: 000000000335ca90 R09: 0000000000000004
>[14255.696788] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14255.696790] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000035a70c0
>[14257.869006] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14257.869010] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14257.869013] CPU: 1 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14257.869015] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14257.869016] Call Trace:
>[14257.869022]  dump_stack+0x85/0xbf
>[14257.869026]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14257.869033]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14257.869039]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14257.869044]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14257.869048]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14257.869055]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14257.869058]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14257.869063]  ? mutex_trylock+0xcd/0xe0
>[14257.869066]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14257.869069]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14257.869098]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14257.869121]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14257.869143]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14257.869165]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14257.869189]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14257.869206]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14257.869211]  ? __might_fault+0x3e/0x90
>[14257.869229]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14257.869240]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14257.869247]  drm_ioctl+0x2d5/0x370 [drm]
>[14257.869263]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14257.869282]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14257.869287]  do_vfs_ioctl+0xa5/0x6e0
>[14257.869291]  SyS_ioctl+0x74/0x80
>[14257.869296]  do_syscall_64+0x79/0x220
>[14257.869299]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14257.869303] RIP: 0033:0x7f6f9ac700f7
>[14257.869304] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14257.869307] RAX: ffffffffffffffda RBX: 000055d0ad04ca60 RCX: 00007f6f9ac700f7
>[14257.869309] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14257.869310] RBP: 00007ffd10a897b0 R08: 000055d0ad04ca60 R09: 00007f6f9af34c50
>[14257.869312] R10: 0000000000000006 R11: 0000000000000246 R12: 00000000c0206440
>[14257.869313] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad413b00
>[14261.261476] swiotlb_tbl_map_single: 2 callbacks suppressed
>[14261.261479] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14261.261486] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14261.261490] CPU: 4 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14261.261493] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14261.261496] Call Trace:
>[14261.261503]  dump_stack+0x85/0xbf
>[14261.261509]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14261.261519]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14261.261529]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14261.261536]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14261.261542]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14261.261551]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14261.261556]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14261.261562]  ? mutex_trylock+0xcd/0xe0
>[14261.261567]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14261.261573]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14261.261610]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14261.261641]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14261.261675]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14261.261708]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14261.261741]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14261.261779]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14261.261785]  ? __might_fault+0x3e/0x90
>[14261.261824]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14261.261849]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14261.261861]  drm_ioctl+0x2d5/0x370 [drm]
>[14261.261899]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14261.261931]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14261.261937]  do_vfs_ioctl+0xa5/0x6e0
>[14261.261944]  SyS_ioctl+0x74/0x80
>[14261.261951]  do_syscall_64+0x79/0x220
>[14261.261955]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14261.261959] RIP: 0033:0x7f6f9ac700f7
>[14261.261962] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14261.261966] RAX: ffffffffffffffda RBX: 000055d0ac4dd7d0 RCX: 00007f6f9ac700f7
>[14261.261968] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14261.261971] RBP: 00007ffd10a897b0 R08: 000055d0ac4dd7d0 R09: 0000000000000004
>[14261.261974] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14261.261976] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0acefb920
>[14261.291383] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14261.291389] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14261.291393] CPU: 4 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14261.291396] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14261.291398] Call Trace:
>[14261.291406]  dump_stack+0x85/0xbf
>[14261.291412]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14261.291423]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14261.291433]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14261.291441]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14261.291447]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14261.291456]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14261.291462]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14261.291468]  ? mutex_trylock+0xcd/0xe0
>[14261.291473]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14261.291479]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14261.291522]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14261.291558]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14261.291592]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14261.291627]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14261.291660]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14261.291688]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14261.291695]  ? __might_fault+0x3e/0x90
>[14261.291725]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14261.291741]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14261.291754]  drm_ioctl+0x2d5/0x370 [drm]
>[14261.291783]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14261.291815]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14261.291822]  do_vfs_ioctl+0xa5/0x6e0
>[14261.291829]  SyS_ioctl+0x74/0x80
>[14261.291836]  do_syscall_64+0x79/0x220
>[14261.291841]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14261.291845] RIP: 0033:0x7f6f9ac700f7
>[14261.291848] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14261.291852] RAX: ffffffffffffffda RBX: 000055d0acb5a560 RCX: 00007f6f9ac700f7
>[14261.291855] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14261.291858] RBP: 00007ffd10a897b0 R08: 000055d0acb5a560 R09: 00007f6f9af34ca0
>[14261.291860] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14261.291863] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad2093a0
>[14262.003647] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14262.003653] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14262.003658] CPU: 4 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14262.003661] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14262.003663] Call Trace:
>[14262.003672]  dump_stack+0x85/0xbf
>[14262.003678]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14262.003688]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14262.003699]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14262.003708]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14262.003714]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14262.003724]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14262.003729]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14262.003736]  ? mutex_trylock+0xcd/0xe0
>[14262.003741]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14262.003747]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14262.003785]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14262.003817]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14262.003851]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14262.003883]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14262.003913]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14262.003940]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14262.003947]  ? __might_fault+0x3e/0x90
>[14262.003975]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14262.003990]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14262.004003]  drm_ioctl+0x2d5/0x370 [drm]
>[14262.004029]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14262.004058]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14262.004065]  do_vfs_ioctl+0xa5/0x6e0
>[14262.004072]  SyS_ioctl+0x74/0x80
>[14262.004078]  do_syscall_64+0x79/0x220
>[14262.004083]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14262.004086] RIP: 0033:0x7f07d78580f7
>[14262.004088] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14262.004091] RAX: ffffffffffffffda RBX: 00000000034eeef0 RCX: 00007f07d78580f7
>[14262.004093] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14262.004095] RBP: 00007ffc892203c0 R08: 00000000034eeef0 R09: 0000000000000004
>[14262.004097] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14262.004099] R13: 000000000000000b R14: 00007ffc89220458 R15: 0000000002f70550
>[14262.060520] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14262.060526] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14262.060529] CPU: 6 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14262.060532] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14262.060534] Call Trace:
>[14262.060542]  dump_stack+0x85/0xbf
>[14262.060548]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14262.060557]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14262.060567]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14262.060574]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14262.060579]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14262.060588]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14262.060593]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14262.060599]  ? mutex_trylock+0xcd/0xe0
>[14262.060604]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14262.060610]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14262.060656]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14262.060675]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14262.060694]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14262.060716]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14262.060734]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14262.060750]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14262.060755]  ? __might_fault+0x3e/0x90
>[14262.060776]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14262.060792]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14262.060802]  drm_ioctl+0x2d5/0x370 [drm]
>[14262.060824]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14262.060849]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14262.060855]  do_vfs_ioctl+0xa5/0x6e0
>[14262.060860]  SyS_ioctl+0x74/0x80
>[14262.060866]  do_syscall_64+0x79/0x220
>[14262.060870]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14262.060873] RIP: 0033:0x7f6f9ac700f7
>[14262.060875] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14262.060879] RAX: ffffffffffffffda RBX: 000055d0ac93d8c0 RCX: 00007f6f9ac700f7
>[14262.060881] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14262.060884] RBP: 00007ffd10a897b0 R08: 000055d0ac93d8c0 R09: 0000000000000004
>[14262.060886] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14262.060888] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0acf37130
>[14263.162877] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14263.162883] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14263.162887] CPU: 1 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14263.162890] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14263.162893] Call Trace:
>[14263.162900]  dump_stack+0x85/0xbf
>[14263.162906]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14263.162915]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14263.162926]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14263.162934]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14263.162940]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14263.162949]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14263.162954]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14263.162961]  ? mutex_trylock+0xcd/0xe0
>[14263.162966]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14263.162972]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14263.163007]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14263.163039]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14263.163073]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14263.163106]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14263.163136]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14263.163163]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14263.163170]  ? __might_fault+0x3e/0x90
>[14263.163199]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14263.163213]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14263.163225]  drm_ioctl+0x2d5/0x370 [drm]
>[14263.163253]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14263.163284]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14263.163291]  do_vfs_ioctl+0xa5/0x6e0
>[14263.163298]  SyS_ioctl+0x74/0x80
>[14263.163304]  do_syscall_64+0x79/0x220
>[14263.163309]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14263.163313] RIP: 0033:0x7f07d78580f7
>[14263.163315] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14263.163320] RAX: ffffffffffffffda RBX: 00000000032ed0b0 RCX: 00007f07d78580f7
>[14263.163323] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14263.163326] RBP: 00007ffc892203c0 R08: 00000000032ed0b0 R09: 0000000000000004
>[14263.163329] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14263.163332] R13: 000000000000000b R14: 00007ffc89220458 R15: 0000000002f70550
>[14268.093582] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14271.633223] swiotlb_tbl_map_single: 2 callbacks suppressed
>[14271.633226] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14271.633232] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14271.633236] CPU: 6 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14271.633238] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14271.633241] Call Trace:
>[14271.633249]  dump_stack+0x85/0xbf
>[14271.633254]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14271.633264]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14271.633273]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14271.633280]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14271.633286]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14271.633295]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14271.633300]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14271.633306]  ? mutex_trylock+0xcd/0xe0
>[14271.633310]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14271.633315]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14271.633353]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14271.633379]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14271.633400]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14271.633423]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14271.633445]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14271.633463]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14271.633468]  ? __might_fault+0x3e/0x90
>[14271.633486]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14271.633499]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14271.633506]  drm_ioctl+0x2d5/0x370 [drm]
>[14271.633524]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14271.633544]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14271.633549]  do_vfs_ioctl+0xa5/0x6e0
>[14271.633554]  SyS_ioctl+0x74/0x80
>[14271.633560]  do_syscall_64+0x79/0x220
>[14271.633565]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14271.633568] RIP: 0033:0x7f07d78580f7
>[14271.633571] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14271.633574] RAX: ffffffffffffffda RBX: 00000000034eeef0 RCX: 00007f07d78580f7
>[14271.633576] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14271.633577] RBP: 00007ffc892203c0 R08: 00000000034eeef0 R09: 0000000000000004
>[14271.633579] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14271.633581] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000032bdb10
>[14271.645374] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14271.645381] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14271.645385] CPU: 6 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14271.645387] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14271.645390] Call Trace:
>[14271.645398]  dump_stack+0x85/0xbf
>[14271.645404]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14271.645415]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14271.645425]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14271.645432]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14271.645439]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14271.645448]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14271.645453]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14271.645460]  ? mutex_trylock+0xcd/0xe0
>[14271.645465]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14271.645472]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14271.645510]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14271.645541]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14271.645573]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14271.645602]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14271.645630]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14271.645648]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14271.645654]  ? __might_fault+0x3e/0x90
>[14271.645673]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14271.645688]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14271.645696]  drm_ioctl+0x2d5/0x370 [drm]
>[14271.645714]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14271.645738]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14271.645745]  do_vfs_ioctl+0xa5/0x6e0
>[14271.645759]  SyS_ioctl+0x74/0x80
>[14271.645763]  do_syscall_64+0x79/0x220
>[14271.645767]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14271.645769] RIP: 0033:0x7f07d78580f7
>[14271.645771] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14271.645774] RAX: ffffffffffffffda RBX: 00000000034eeef0 RCX: 00007f07d78580f7
>[14271.645775] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14271.645777] RBP: 00007ffc892203c0 R08: 00000000034eeef0 R09: 0000000000000004
>[14271.645778] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14271.645780] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000032bdb10
>[14276.167716] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14276.167720] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14276.167723] CPU: 3 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14276.167725] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14276.167726] Call Trace:
>[14276.167733]  dump_stack+0x85/0xbf
>[14276.167738]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14276.167745]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14276.167752]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14276.167757]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14276.167761]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14276.167766]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14276.167770]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14276.167774]  ? mutex_trylock+0xcd/0xe0
>[14276.167777]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14276.167781]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14276.167813]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14276.167835]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14276.167857]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14276.167879]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14276.167900]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14276.167917]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14276.167923]  ? __might_fault+0x3e/0x90
>[14276.167940]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14276.167951]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14276.167959]  drm_ioctl+0x2d5/0x370 [drm]
>[14276.167975]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14276.167995]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14276.168000]  do_vfs_ioctl+0xa5/0x6e0
>[14276.168004]  SyS_ioctl+0x74/0x80
>[14276.168009]  do_syscall_64+0x79/0x220
>[14276.168012]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14276.168015] RIP: 0033:0x7f6f9ac700f7
>[14276.168017] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14276.168020] RAX: ffffffffffffffda RBX: 000055d0ad053770 RCX: 00007f6f9ac700f7
>[14276.168022] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14276.168023] RBP: 00007ffd10a897b0 R08: 000055d0ad053770 R09: 00007f6f9af34ca0
>[14276.168025] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14276.168027] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad2a92e0
>[14277.013079] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14277.013084] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14277.013086] CPU: 7 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14277.013088] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14277.013090] Call Trace:
>[14277.013096]  dump_stack+0x85/0xbf
>[14277.013101]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14277.013108]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14277.013115]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14277.013120]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14277.013125]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14277.013131]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14277.013134]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14277.013139]  ? mutex_trylock+0xcd/0xe0
>[14277.013142]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14277.013146]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14277.013178]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14277.013202]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14277.013225]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14277.013248]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14277.013269]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14277.013287]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14277.013293]  ? __might_fault+0x3e/0x90
>[14277.013312]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14277.013326]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14277.013334]  drm_ioctl+0x2d5/0x370 [drm]
>[14277.013352]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14277.013371]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14277.013376]  do_vfs_ioctl+0xa5/0x6e0
>[14277.013381]  SyS_ioctl+0x74/0x80
>[14277.013385]  do_syscall_64+0x79/0x220
>[14277.013389]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14277.013392] RIP: 0033:0x7f6f9ac700f7
>[14277.013393] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14277.013396] RAX: ffffffffffffffda RBX: 000055d0ad3aff50 RCX: 00007f6f9ac700f7
>[14277.013398] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14277.013400] RBP: 00007ffd10a897b0 R08: 000055d0ad3aff50 R09: 00007f6f9af34ca0
>[14277.013402] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14277.013403] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad3a0350
>[14277.042787] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14277.042792] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14277.042795] CPU: 3 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14277.042797] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14277.042799] Call Trace:
>[14277.042806]  dump_stack+0x85/0xbf
>[14277.042811]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14277.042819]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14277.042827]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14277.042832]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14277.042837]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14277.042843]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14277.042847]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14277.042853]  ? mutex_trylock+0xcd/0xe0
>[14277.042856]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14277.042860]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14277.042893]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14277.042917]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14277.042940]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14277.042962]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14277.042984]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14277.043001]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14277.043007]  ? __might_fault+0x3e/0x90
>[14277.043025]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14277.043038]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14277.043047]  drm_ioctl+0x2d5/0x370 [drm]
>[14277.043064]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14277.043085]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14277.043090]  do_vfs_ioctl+0xa5/0x6e0
>[14277.043096]  SyS_ioctl+0x74/0x80
>[14277.043101]  do_syscall_64+0x79/0x220
>[14277.043105]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14277.043108] RIP: 0033:0x7f6f9ac700f7
>[14277.043110] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14277.043113] RAX: ffffffffffffffda RBX: 000055d0ac5c37a0 RCX: 00007f6f9ac700f7
>[14277.043115] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14277.043117] RBP: 00007ffd10a897b0 R08: 000055d0ac5c37a0 R09: 0000000000000004
>[14277.043119] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14277.043121] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad2ae530
>[14277.924258] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14277.924262] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14277.924265] CPU: 3 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14277.924268] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14277.924269] Call Trace:
>[14277.924276]  dump_stack+0x85/0xbf
>[14277.924280]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14277.924288]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14277.924295]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14277.924300]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14277.924304]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14277.924310]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14277.924314]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14277.924319]  ? mutex_trylock+0xcd/0xe0
>[14277.924322]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14277.924326]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14277.924356]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14277.924381]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14277.924403]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14277.924424]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14277.924445]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14277.924462]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14277.924467]  ? __might_fault+0x3e/0x90
>[14277.924485]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14277.924497]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14277.924504]  drm_ioctl+0x2d5/0x370 [drm]
>[14277.924521]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14277.924541]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14277.924546]  do_vfs_ioctl+0xa5/0x6e0
>[14277.924550]  SyS_ioctl+0x74/0x80
>[14277.924555]  do_syscall_64+0x79/0x220
>[14277.924558]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14277.924561] RIP: 0033:0x7f6f9ac700f7
>[14277.924563] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14277.924566] RAX: ffffffffffffffda RBX: 000055d0ad428350 RCX: 00007f6f9ac700f7
>[14277.924568] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14277.924570] RBP: 00007ffd10a897b0 R08: 000055d0ad428350 R09: 00007f6f9af34ca0
>[14277.924571] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14277.924573] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0acfeb200
>[14278.942904] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14278.942910] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14278.942914] CPU: 2 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14278.942917] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14278.942919] Call Trace:
>[14278.942927]  dump_stack+0x85/0xbf
>[14278.942933]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14278.942943]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14278.942963]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14278.942971]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14278.942987]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14278.942995]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14278.943001]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14278.943007]  ? mutex_trylock+0xcd/0xe0
>[14278.943022]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14278.943028]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14278.943073]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14278.943115]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14278.943148]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14278.943180]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14278.943213]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14278.943241]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14278.943248]  ? __might_fault+0x3e/0x90
>[14278.943275]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14278.943290]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14278.943302]  drm_ioctl+0x2d5/0x370 [drm]
>[14278.943331]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14278.943362]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14278.943369]  do_vfs_ioctl+0xa5/0x6e0
>[14278.943376]  SyS_ioctl+0x74/0x80
>[14278.943381]  do_syscall_64+0x79/0x220
>[14278.943386]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14278.943389] RIP: 0033:0x7f6f9ac700f7
>[14278.943392] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14278.943396] RAX: ffffffffffffffda RBX: 000055d0ad3aff50 RCX: 00007f6f9ac700f7
>[14278.943399] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14278.943401] RBP: 00007ffd10a897b0 R08: 000055d0ad3aff50 R09: 0000000000000004
>[14278.943404] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14278.943406] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad3c6640
>[14280.462994] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14280.463000] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14280.463014] CPU: 6 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14280.463017] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14280.463019] Call Trace:
>[14280.463028]  dump_stack+0x85/0xbf
>[14280.463034]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14280.463044]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14280.463055]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14280.463063]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14280.463069]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14280.463079]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14280.463084]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14280.463091]  ? mutex_trylock+0xcd/0xe0
>[14280.463096]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14280.463103]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14280.463140]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14280.463169]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14280.463200]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14280.463238]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14280.463264]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14280.463281]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14280.463286]  ? __might_fault+0x3e/0x90
>[14280.463303]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14280.463316]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14280.463324]  drm_ioctl+0x2d5/0x370 [drm]
>[14280.463340]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14280.463358]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14280.463363]  do_vfs_ioctl+0xa5/0x6e0
>[14280.463368]  SyS_ioctl+0x74/0x80
>[14280.463373]  do_syscall_64+0x79/0x220
>[14280.463376]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14280.463379] RIP: 0033:0x7f6f9ac700f7
>[14280.463381] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14280.463384] RAX: ffffffffffffffda RBX: 000055d0ad180d10 RCX: 00007f6f9ac700f7
>[14280.463385] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14280.463387] RBP: 00007ffd10a897b0 R08: 000055d0ad180d10 R09: 00007f6f9af34ca0
>[14280.463389] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14280.463391] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad2df670
>[14284.093615] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14285.815927] swiotlb_tbl_map_single: 4 callbacks suppressed
>[14285.815930] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14285.815934] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14285.815937] CPU: 0 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14285.815939] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14285.815940] Call Trace:
>[14285.815946]  dump_stack+0x85/0xbf
>[14285.815952]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14285.815972]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14285.815980]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14285.815996]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14285.816001]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14285.816007]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14285.816010]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14285.816015]  ? mutex_trylock+0xcd/0xe0
>[14285.816018]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14285.816021]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14285.816065]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14285.816089]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14285.816110]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14285.816131]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14285.816152]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14285.816169]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14285.816174]  ? __might_fault+0x3e/0x90
>[14285.816192]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14285.816204]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14285.816212]  drm_ioctl+0x2d5/0x370 [drm]
>[14285.816228]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14285.816247]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14285.816252]  do_vfs_ioctl+0xa5/0x6e0
>[14285.816257]  SyS_ioctl+0x74/0x80
>[14285.816261]  do_syscall_64+0x79/0x220
>[14285.816264]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14285.816267] RIP: 0033:0x7f6f9ac700f7
>[14285.816268] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14285.816271] RAX: ffffffffffffffda RBX: 000055d0ad213650 RCX: 00007f6f9ac700f7
>[14285.816273] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14285.816274] RBP: 00007ffd10a897b0 R08: 000055d0ad213650 R09: 00007f6f9af34ca0
>[14285.816276] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14285.816277] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad48a270
>[14287.520202] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14287.520207] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14287.520220] CPU: 3 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14287.520222] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14287.520224] Call Trace:
>[14287.520231]  dump_stack+0x85/0xbf
>[14287.520246]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14287.520254]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14287.520260]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14287.520265]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14287.520269]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14287.520275]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14287.520278]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14287.520283]  ? mutex_trylock+0xcd/0xe0
>[14287.520286]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14287.520290]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14287.520320]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14287.520354]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14287.520375]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14287.520398]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14287.520420]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14287.520438]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14287.520443]  ? __might_fault+0x3e/0x90
>[14287.520462]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14287.520473]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14287.520481]  drm_ioctl+0x2d5/0x370 [drm]
>[14287.520498]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14287.520520]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14287.520527]  do_vfs_ioctl+0xa5/0x6e0
>[14287.520533]  SyS_ioctl+0x74/0x80
>[14287.520539]  do_syscall_64+0x79/0x220
>[14287.520543]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14287.520546] RIP: 0033:0x7f6f9ac700f7
>[14287.520549] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14287.520552] RAX: ffffffffffffffda RBX: 000055d0ad2f6960 RCX: 00007f6f9ac700f7
>[14287.520554] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14287.520556] RBP: 00007ffd10a897b0 R08: 000055d0ad2f6960 R09: 00007f6f9af34ca0
>[14287.520558] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14287.520560] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad1d06b0
>[14287.694065] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14287.694069] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14287.694072] CPU: 3 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14287.694074] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14287.694075] Call Trace:
>[14287.694083]  dump_stack+0x85/0xbf
>[14287.694087]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14287.694096]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14287.694103]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14287.694108]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14287.694112]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14287.694118]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14287.694121]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14287.694126]  ? mutex_trylock+0xcd/0xe0
>[14287.694129]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14287.694133]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14287.694171]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14287.694200]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14287.694223]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14287.694244]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14287.694264]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14287.694282]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14287.694288]  ? __might_fault+0x3e/0x90
>[14287.694306]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14287.694318]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14287.694325]  drm_ioctl+0x2d5/0x370 [drm]
>[14287.694342]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14287.694362]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14287.694367]  do_vfs_ioctl+0xa5/0x6e0
>[14287.694371]  SyS_ioctl+0x74/0x80
>[14287.694376]  do_syscall_64+0x79/0x220
>[14287.694379]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14287.694382] RIP: 0033:0x7f6f9ac700f7
>[14287.694384] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14287.694387] RAX: ffffffffffffffda RBX: 000055d0ad409300 RCX: 00007f6f9ac700f7
>[14287.694388] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14287.694390] RBP: 00007ffd10a897b0 R08: 000055d0ad409300 R09: 0000000000000004
>[14287.694391] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14287.694393] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad0a5720
>[14289.262485] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14289.262491] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14289.262495] CPU: 1 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14289.262497] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14289.262499] Call Trace:
>[14289.262508]  dump_stack+0x85/0xbf
>[14289.262514]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14289.262522]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14289.262532]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14289.262539]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14289.262544]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14289.262551]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14289.262556]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14289.262563]  ? mutex_trylock+0xcd/0xe0
>[14289.262567]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14289.262572]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14289.262609]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14289.262631]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14289.262652]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14289.262677]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14289.262704]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14289.262727]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14289.262733]  ? __might_fault+0x3e/0x90
>[14289.262757]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14289.262771]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14289.262782]  drm_ioctl+0x2d5/0x370 [drm]
>[14289.262806]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14289.262833]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14289.262840]  do_vfs_ioctl+0xa5/0x6e0
>[14289.262846]  SyS_ioctl+0x74/0x80
>[14289.262851]  do_syscall_64+0x79/0x220
>[14289.262856]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14289.262859] RIP: 0033:0x7f6f9ac700f7
>[14289.262862] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14289.262866] RAX: ffffffffffffffda RBX: 000055d0ad20ac40 RCX: 00007f6f9ac700f7
>[14289.262868] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14289.262870] RBP: 00007ffd10a897b0 R08: 000055d0ad20ac40 R09: 00007f6f9af34ca0
>[14289.262873] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14289.262875] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad348f70
>[14292.183074] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14292.183080] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14292.183084] CPU: 7 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14292.183087] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14292.183089] Call Trace:
>[14292.183097]  dump_stack+0x85/0xbf
>[14292.183104]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14292.183114]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14292.183123]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14292.183131]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14292.183136]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14292.183144]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14292.183150]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14292.183156]  ? mutex_trylock+0xcd/0xe0
>[14292.183161]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14292.183166]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14292.183208]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14292.183244]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14292.183279]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14292.183313]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14292.183344]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14292.183372]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14292.183378]  ? __might_fault+0x3e/0x90
>[14292.183407]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14292.183424]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14292.183436]  drm_ioctl+0x2d5/0x370 [drm]
>[14292.183463]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14292.183491]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14292.183498]  do_vfs_ioctl+0xa5/0x6e0
>[14292.183504]  SyS_ioctl+0x74/0x80
>[14292.183509]  do_syscall_64+0x79/0x220
>[14292.183514]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14292.183517] RIP: 0033:0x7f07d78580f7
>[14292.183520] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14292.183524] RAX: ffffffffffffffda RBX: 00000000032edde0 RCX: 00007f07d78580f7
>[14292.183526] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14292.183528] RBP: 00007ffc892203c0 R08: 00000000032edde0 R09: 0000000000000004
>[14292.183531] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14292.183533] R13: 000000000000000b R14: 00007ffc89220458 R15: 000000000345dbd0
>[14292.190136] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14292.190140] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14292.190143] CPU: 7 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14292.190145] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14292.190147] Call Trace:
>[14292.190153]  dump_stack+0x85/0xbf
>[14292.190158]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14292.190165]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14292.190172]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14292.190177]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14292.190181]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14292.190187]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14292.190191]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14292.190196]  ? mutex_trylock+0xcd/0xe0
>[14292.190199]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14292.190202]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14292.190232]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14292.190255]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14292.190276]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14292.190298]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14292.190319]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14292.190337]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14292.190342]  ? __might_fault+0x3e/0x90
>[14292.190361]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14292.190372]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14292.190380]  drm_ioctl+0x2d5/0x370 [drm]
>[14292.190397]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14292.190417]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14292.190423]  do_vfs_ioctl+0xa5/0x6e0
>[14292.190427]  SyS_ioctl+0x74/0x80
>[14292.190432]  do_syscall_64+0x79/0x220
>[14292.190436]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14292.190439] RIP: 0033:0x7f07d78580f7
>[14292.190441] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14292.190444] RAX: ffffffffffffffda RBX: 00000000032edde0 RCX: 00007f07d78580f7
>[14292.190446] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14292.190448] RBP: 00007ffc892203c0 R08: 00000000032edde0 R09: 0000000000000004
>[14292.190450] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14292.190451] R13: 000000000000000b R14: 00007ffc89220458 R15: 000000000345dbd0
>[14294.389427] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14294.389431] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14294.389434] CPU: 5 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14294.389436] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14294.389437] Call Trace:
>[14294.389444]  dump_stack+0x85/0xbf
>[14294.389449]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14294.389457]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14294.389464]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14294.389469]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14294.389473]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14294.389479]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14294.389482]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14294.389487]  ? mutex_trylock+0xcd/0xe0
>[14294.389490]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14294.389494]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14294.389534]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14294.389560]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14294.389585]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14294.389590]  ? bad_range+0x72/0x150
>[14294.389610]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14294.389631]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14294.389648]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14294.389654]  ? __might_fault+0x3e/0x90
>[14294.389671]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14294.389683]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14294.389690]  drm_ioctl+0x2d5/0x370 [drm]
>[14294.389707]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14294.389740]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14294.389746]  do_vfs_ioctl+0xa5/0x6e0
>[14294.389750]  SyS_ioctl+0x74/0x80
>[14294.389755]  do_syscall_64+0x79/0x220
>[14294.389758]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14294.389761] RIP: 0033:0x7f6f9ac700f7
>[14294.389763] RSP: 002b:00007ffd10a86908 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14294.389765] RAX: ffffffffffffffda RBX: 000055d0ad003e90 RCX: 00007f6f9ac700f7
>[14294.389767] RDX: 00007ffd10a86950 RSI: 00000000c0206440 RDI: 000000000000000c
>[14294.389768] RBP: 00007ffd10a86950 R08: 000055d0ad003e90 R09: 00007f6f9af34ca0
>[14294.389770] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14294.389772] R13: 000000000000000c R14: 00007ffd10a869e8 R15: 000055d0ad1536c0
>[14294.401564] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14294.401570] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14294.401574] CPU: 5 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14294.401577] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14294.401580] Call Trace:
>[14294.401589]  dump_stack+0x85/0xbf
>[14294.401596]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14294.401608]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14294.401619]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14294.401628]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14294.401634]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14294.401644]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14294.401649]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14294.401657]  ? mutex_trylock+0xcd/0xe0
>[14294.401662]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14294.401669]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14294.401707]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14294.401739]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14294.401781]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14294.401788]  ? bad_range+0x72/0x150
>[14294.401819]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14294.401850]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14294.401878]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14294.401885]  ? __might_fault+0x3e/0x90
>[14294.401915]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14294.401931]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14294.401943]  drm_ioctl+0x2d5/0x370 [drm]
>[14294.401972]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14294.402003]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14294.402010]  do_vfs_ioctl+0xa5/0x6e0
>[14294.402017]  SyS_ioctl+0x74/0x80
>[14294.402024]  do_syscall_64+0x79/0x220
>[14294.402029]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14294.402032] RIP: 0033:0x7f6f9ac700f7
>[14294.402035] RSP: 002b:00007ffd10a86908 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14294.402040] RAX: ffffffffffffffda RBX: 000055d0ad003e90 RCX: 00007f6f9ac700f7
>[14294.402042] RDX: 00007ffd10a86950 RSI: 00000000c0206440 RDI: 000000000000000c
>[14294.402045] RBP: 00007ffd10a86950 R08: 000055d0ad003e90 R09: 00007f6f9af34ca0
>[14294.402048] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14294.402051] R13: 000000000000000c R14: 00007ffd10a869e8 R15: 000055d0ad1536c0
>[14294.453864] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14294.453870] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14294.453875] CPU: 5 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14294.453878] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14294.453880] Call Trace:
>[14294.453888]  dump_stack+0x85/0xbf
>[14294.453894]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14294.453904]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14294.453915]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14294.453923]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14294.453929]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14294.453939]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14294.453945]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14294.453951]  ? mutex_trylock+0xcd/0xe0
>[14294.453957]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14294.453963]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14294.453998]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14294.454030]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14294.454063]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14294.454070]  ? bad_range+0x72/0x150
>[14294.454101]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14294.454133]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14294.454161]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14294.454168]  ? __might_fault+0x3e/0x90
>[14294.454197]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14294.454213]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14294.454225]  drm_ioctl+0x2d5/0x370 [drm]
>[14294.454253]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14294.454285]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14294.454292]  do_vfs_ioctl+0xa5/0x6e0
>[14294.454300]  SyS_ioctl+0x74/0x80
>[14294.454306]  do_syscall_64+0x79/0x220
>[14294.454311]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14294.454315] RIP: 0033:0x7f6f9ac700f7
>[14294.454318] RSP: 002b:00007ffd10a86908 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14294.454323] RAX: ffffffffffffffda RBX: 000055d0ad3074f0 RCX: 00007f6f9ac700f7
>[14294.454326] RDX: 00007ffd10a86950 RSI: 00000000c0206440 RDI: 000000000000000c
>[14294.454328] RBP: 00007ffd10a86950 R08: 000055d0ad3074f0 R09: 00007f6f9af34ca0
>[14294.454331] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14294.454334] R13: 000000000000000c R14: 00007ffd10a869e8 R15: 000055d0ad0b07d0
>[14298.206870] swiotlb_tbl_map_single: 4 callbacks suppressed
>[14298.206872] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14298.206877] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14298.206879] CPU: 2 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14298.206881] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14298.206883] Call Trace:
>[14298.206889]  dump_stack+0x85/0xbf
>[14298.206893]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14298.206901]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14298.206907]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14298.206912]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14298.206915]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14298.206921]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14298.206924]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14298.206929]  ? mutex_trylock+0xcd/0xe0
>[14298.206932]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14298.206936]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14298.206965]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14298.206987]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14298.207008]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14298.207030]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14298.207051]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14298.207069]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14298.207075]  ? __might_fault+0x3e/0x90
>[14298.207093]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14298.207104]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14298.207112]  drm_ioctl+0x2d5/0x370 [drm]
>[14298.207129]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14298.207148]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14298.207153]  do_vfs_ioctl+0xa5/0x6e0
>[14298.207158]  SyS_ioctl+0x74/0x80
>[14298.207162]  do_syscall_64+0x79/0x220
>[14298.207166]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14298.207168] RIP: 0033:0x7f6f9ac700f7
>[14298.207170] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14298.207173] RAX: ffffffffffffffda RBX: 000055d0ad3cf090 RCX: 00007f6f9ac700f7
>[14298.207174] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14298.207176] RBP: 00007ffd10a897b0 R08: 000055d0ad3cf090 R09: 0000000000000004
>[14298.207177] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14298.207179] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad412c00
>[14300.093627] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14301.545798] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14301.545802] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14301.545805] CPU: 5 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14301.545807] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14301.545809] Call Trace:
>[14301.545816]  dump_stack+0x85/0xbf
>[14301.545820]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14301.545827]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14301.545834]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14301.545839]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14301.545843]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14301.545849]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14301.545852]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14301.545867]  ? mutex_trylock+0xcd/0xe0
>[14301.545870]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14301.545874]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14301.545905]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14301.545927]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14301.545948]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14301.545969]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14301.545990]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14301.546006]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14301.546011]  ? __might_fault+0x3e/0x90
>[14301.546028]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14301.546039]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14301.546046]  drm_ioctl+0x2d5/0x370 [drm]
>[14301.546063]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14301.546082]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14301.546087]  do_vfs_ioctl+0xa5/0x6e0
>[14301.546092]  SyS_ioctl+0x74/0x80
>[14301.546096]  do_syscall_64+0x79/0x220
>[14301.546100]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14301.546102] RIP: 0033:0x7f6f9ac700f7
>[14301.546104] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14301.546107] RAX: ffffffffffffffda RBX: 000055d0ad3d3be0 RCX: 00007f6f9ac700f7
>[14301.546109] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14301.546110] RBP: 00007ffd10a897b0 R08: 000055d0ad3d3be0 R09: 0000000000000004
>[14301.546112] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14301.546114] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ac8e4880
>[14301.981436] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14301.981441] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14301.981445] CPU: 2 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14301.981447] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14301.981449] Call Trace:
>[14301.981457]  dump_stack+0x85/0xbf
>[14301.981462]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14301.981473]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14301.981482]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14301.981488]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14301.981493]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14301.981501]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14301.981506]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14301.981512]  ? mutex_trylock+0xcd/0xe0
>[14301.981516]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14301.981521]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14301.981569]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14301.981597]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14301.981624]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14301.981648]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14301.981671]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14301.981689]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14301.981696]  ? __might_fault+0x3e/0x90
>[14301.981714]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14301.981727]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14301.981735]  drm_ioctl+0x2d5/0x370 [drm]
>[14301.981753]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14301.981780]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14301.981785]  do_vfs_ioctl+0xa5/0x6e0
>[14301.981791]  SyS_ioctl+0x74/0x80
>[14301.981796]  do_syscall_64+0x79/0x220
>[14301.981801]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14301.981805] RIP: 0033:0x7f07d78580f7
>[14301.981807] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14301.981811] RAX: ffffffffffffffda RBX: 0000000002dafaa0 RCX: 00007f07d78580f7
>[14301.981813] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14301.981816] RBP: 00007ffc892203c0 R08: 0000000002dafaa0 R09: 0000000000000004
>[14301.981818] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14301.981820] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000034960a0
>[14304.854121] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14304.854128] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14304.854132] CPU: 4 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14304.854135] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14304.854137] Call Trace:
>[14304.854145]  dump_stack+0x85/0xbf
>[14304.854152]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14304.854162]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14304.854173]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14304.854180]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14304.854185]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14304.854190]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14304.854194]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14304.854198]  ? mutex_trylock+0xcd/0xe0
>[14304.854202]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14304.854205]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14304.854238]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14304.854263]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14304.854285]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14304.854307]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14304.854327]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14304.854345]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14304.854351]  ? __might_fault+0x3e/0x90
>[14304.854369]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14304.854381]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14304.854388]  drm_ioctl+0x2d5/0x370 [drm]
>[14304.854405]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14304.854425]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14304.854431]  do_vfs_ioctl+0xa5/0x6e0
>[14304.854435]  SyS_ioctl+0x74/0x80
>[14304.854439]  do_syscall_64+0x79/0x220
>[14304.854443]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14304.854445] RIP: 0033:0x7f6f9ac700f7
>[14304.854447] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14304.854450] RAX: ffffffffffffffda RBX: 000055d0ad444400 RCX: 00007f6f9ac700f7
>[14304.854451] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14304.854453] RBP: 00007ffd10a897b0 R08: 000055d0ad444400 R09: 000000000000000b
>[14304.854455] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14304.854456] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad362e00
>[14307.093548] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14307.093554] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14307.093558] CPU: 6 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14307.093561] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14307.093564] Call Trace:
>[14307.093573]  dump_stack+0x85/0xbf
>[14307.093579]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14307.093589]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14307.093600]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14307.093608]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14307.093614]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14307.093623]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14307.093628]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14307.093635]  ? mutex_trylock+0xcd/0xe0
>[14307.093640]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14307.093646]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14307.093687]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14307.093720]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14307.093754]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14307.093797]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14307.093830]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14307.093857]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14307.093864]  ? __might_fault+0x3e/0x90
>[14307.093893]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14307.093910]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14307.093921]  drm_ioctl+0x2d5/0x370 [drm]
>[14307.093948]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14307.093980]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14307.093987]  do_vfs_ioctl+0xa5/0x6e0
>[14307.093994]  SyS_ioctl+0x74/0x80
>[14307.094001]  do_syscall_64+0x79/0x220
>[14307.094006]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14307.094010] RIP: 0033:0x7f6f9ac700f7
>[14307.094013] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14307.094017] RAX: ffffffffffffffda RBX: 000055d0ad0528f0 RCX: 00007f6f9ac700f7
>[14307.094020] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14307.094022] RBP: 00007ffd10a897b0 R08: 000055d0ad0528f0 R09: 0000000000000004
>[14307.094025] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14307.094036] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad0a5720
>[14308.636694] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14308.636698] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14308.636701] CPU: 6 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14308.636703] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14308.636705] Call Trace:
>[14308.636711]  dump_stack+0x85/0xbf
>[14308.636715]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14308.636724]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14308.636731]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14308.636736]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14308.636740]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14308.636746]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14308.636750]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14308.636755]  ? mutex_trylock+0xcd/0xe0
>[14308.636758]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14308.636762]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14308.636800]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14308.636836]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14308.636858]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14308.636890]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14308.636911]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14308.636929]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14308.636934]  ? __might_fault+0x3e/0x90
>[14308.636952]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14308.636964]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14308.636971]  drm_ioctl+0x2d5/0x370 [drm]
>[14308.636988]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14308.637007]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14308.637012]  do_vfs_ioctl+0xa5/0x6e0
>[14308.637017]  SyS_ioctl+0x74/0x80
>[14308.637021]  do_syscall_64+0x79/0x220
>[14308.637025]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14308.637028] RIP: 0033:0x7f6f9ac700f7
>[14308.637029] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14308.637032] RAX: ffffffffffffffda RBX: 000055d0ad14c4f0 RCX: 00007f6f9ac700f7
>[14308.637033] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14308.637035] RBP: 00007ffd10a897b0 R08: 000055d0ad14c4f0 R09: 0000000000000004
>[14308.637037] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14308.637038] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0acff3870
>[14308.654944] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14308.654954] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14308.654959] CPU: 6 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14308.654962] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14308.654965] Call Trace:
>[14308.654977]  dump_stack+0x85/0xbf
>[14308.654985]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14308.654998]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14308.655009]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14308.655018]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14308.655025]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14308.655034]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14308.655040]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14308.655047]  ? mutex_trylock+0xcd/0xe0
>[14308.655052]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14308.655058]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14308.655107]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14308.655142]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14308.655175]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14308.655204]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14308.655233]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14308.655258]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14308.655265]  ? __might_fault+0x3e/0x90
>[14308.655290]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14308.655309]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14308.655320]  drm_ioctl+0x2d5/0x370 [drm]
>[14308.655343]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14308.655371]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14308.655377]  do_vfs_ioctl+0xa5/0x6e0
>[14308.655384]  SyS_ioctl+0x74/0x80
>[14308.655390]  do_syscall_64+0x79/0x220
>[14308.655395]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14308.655399] RIP: 0033:0x7f6f9ac700f7
>[14308.655401] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14308.655405] RAX: ffffffffffffffda RBX: 000055d0ad40ca60 RCX: 00007f6f9ac700f7
>[14308.655407] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14308.655410] RBP: 00007ffd10a897b0 R08: 000055d0ad40ca60 R09: 00007f6f9af34c50
>[14308.655412] R10: 0000000000000006 R11: 0000000000000246 R12: 00000000c0206440
>[14308.655414] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad4422f0
>[14316.095694] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14316.110326] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14316.110331] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14316.110333] CPU: 0 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14316.110335] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14316.110337] Call Trace:
>[14316.110343]  dump_stack+0x85/0xbf
>[14316.110347]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14316.110355]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14316.110361]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14316.110366]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14316.110370]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14316.110375]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14316.110379]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14316.110384]  ? mutex_trylock+0xcd/0xe0
>[14316.110387]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14316.110391]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14316.110421]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14316.110442]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14316.110464]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14316.110487]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14316.110519]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14316.110537]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14316.110543]  ? __might_fault+0x3e/0x90
>[14316.110561]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14316.110574]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14316.110581]  drm_ioctl+0x2d5/0x370 [drm]
>[14316.110605]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14316.110635]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14316.110642]  do_vfs_ioctl+0xa5/0x6e0
>[14316.110649]  SyS_ioctl+0x74/0x80
>[14316.110655]  do_syscall_64+0x79/0x220
>[14316.110659]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14316.110663] RIP: 0033:0x7f6f9ac700f7
>[14316.110666] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14316.110670] RAX: ffffffffffffffda RBX: 000055d0ad41a900 RCX: 00007f6f9ac700f7
>[14316.110672] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14316.110675] RBP: 00007ffd10a897b0 R08: 000055d0ad41a900 R09: 00007f6f9af34ca0
>[14316.110677] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14316.110680] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ab39a2e0
>[14317.983520] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14317.983527] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14317.983531] CPU: 3 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14317.983533] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14317.983535] Call Trace:
>[14317.983543]  dump_stack+0x85/0xbf
>[14317.983549]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14317.983559]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14317.983570]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14317.983578]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14317.983584]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14317.983593]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14317.983598]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14317.983605]  ? mutex_trylock+0xcd/0xe0
>[14317.983610]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14317.983616]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14317.983668]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14317.983705]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14317.983743]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14317.983779]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14317.983810]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14317.983839]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14317.983846]  ? __might_fault+0x3e/0x90
>[14317.983897]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14317.983923]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14317.983934]  drm_ioctl+0x2d5/0x370 [drm]
>[14317.983960]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14317.983979]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14317.983984]  do_vfs_ioctl+0xa5/0x6e0
>[14317.983988]  SyS_ioctl+0x74/0x80
>[14317.983992]  do_syscall_64+0x79/0x220
>[14317.984006]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14317.984009] RIP: 0033:0x7f6f9ac700f7
>[14317.984010] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14317.984013] RAX: ffffffffffffffda RBX: 000055d0ad1e5300 RCX: 00007f6f9ac700f7
>[14317.984015] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14317.984016] RBP: 00007ffd10a897b0 R08: 000055d0ad1e5300 R09: 00007f6f9af34ca0
>[14317.984028] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14317.984029] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad2dcb00
>[14318.026052] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14318.026057] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14318.026061] CPU: 0 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14318.026063] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14318.026066] Call Trace:
>[14318.026073]  dump_stack+0x85/0xbf
>[14318.026078]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14318.026087]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14318.026097]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14318.026104]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14318.026110]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14318.026118]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14318.026123]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14318.026128]  ? mutex_trylock+0xcd/0xe0
>[14318.026133]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14318.026138]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14318.026176]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14318.026207]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14318.026238]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14318.026269]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14318.026298]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14318.026322]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14318.026328]  ? __might_fault+0x3e/0x90
>[14318.026354]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14318.026368]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14318.026379]  drm_ioctl+0x2d5/0x370 [drm]
>[14318.026406]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14318.026435]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14318.026441]  do_vfs_ioctl+0xa5/0x6e0
>[14318.026447]  SyS_ioctl+0x74/0x80
>[14318.026453]  do_syscall_64+0x79/0x220
>[14318.026457]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14318.026461] RIP: 0033:0x7f6f9ac700f7
>[14318.026463] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14318.026467] RAX: ffffffffffffffda RBX: 000055d0ad416240 RCX: 00007f6f9ac700f7
>[14318.026469] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14318.026471] RBP: 00007ffd10a897b0 R08: 000055d0ad416240 R09: 0000000000000004
>[14318.026474] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14318.026476] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad29aee0
>[14321.818167] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14321.818171] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14321.818174] CPU: 4 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14321.818176] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14321.818177] Call Trace:
>[14321.818183]  dump_stack+0x85/0xbf
>[14321.818188]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14321.818195]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14321.818200]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14321.818205]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14321.818208]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14321.818214]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14321.818217]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14321.818222]  ? mutex_trylock+0xcd/0xe0
>[14321.818225]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14321.818228]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14321.818258]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14321.818280]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14321.818301]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14321.818322]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14321.818342]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14321.818359]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14321.818364]  ? __might_fault+0x3e/0x90
>[14321.818381]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14321.818392]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14321.818399]  drm_ioctl+0x2d5/0x370 [drm]
>[14321.818415]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14321.818434]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14321.818439]  do_vfs_ioctl+0xa5/0x6e0
>[14321.818443]  SyS_ioctl+0x74/0x80
>[14321.818448]  do_syscall_64+0x79/0x220
>[14321.818451]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14321.818453] RIP: 0033:0x7f6f9ac700f7
>[14321.818455] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14321.818458] RAX: ffffffffffffffda RBX: 000055d0ad2dcb00 RCX: 00007f6f9ac700f7
>[14321.818459] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14321.818461] RBP: 00007ffd10a897b0 R08: 000055d0ad2dcb00 R09: 0000000000000004
>[14321.818462] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14321.818464] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad29aee0
>[14322.856253] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14322.856259] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14322.856263] CPU: 7 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14322.856266] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14322.856268] Call Trace:
>[14322.856276]  dump_stack+0x85/0xbf
>[14322.856282]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14322.856302]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14322.856312]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14322.856319]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14322.856324]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14322.856333]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14322.856338]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14322.856344]  ? mutex_trylock+0xcd/0xe0
>[14322.856348]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14322.856354]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14322.856411]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14322.856442]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14322.856483]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14322.856524]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14322.856555]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14322.856582]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14322.856589]  ? __might_fault+0x3e/0x90
>[14322.856616]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14322.856633]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14322.856644]  drm_ioctl+0x2d5/0x370 [drm]
>[14322.856680]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14322.856709]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14322.856716]  do_vfs_ioctl+0xa5/0x6e0
>[14322.856722]  SyS_ioctl+0x74/0x80
>[14322.856729]  do_syscall_64+0x79/0x220
>[14322.856733]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14322.856738] RIP: 0033:0x7f6f9ac700f7
>[14322.856741] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14322.856745] RAX: ffffffffffffffda RBX: 000055d0ab39a2e0 RCX: 00007f6f9ac700f7
>[14322.856747] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14322.856750] RBP: 00007ffd10a897b0 R08: 000055d0ab39a2e0 R09: 0000000000000004
>[14322.856753] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14322.856755] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad29aee0
>[14323.888628] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14323.888633] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14323.888636] CPU: 0 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14323.888638] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14323.888640] Call Trace:
>[14323.888647]  dump_stack+0x85/0xbf
>[14323.888651]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14323.888659]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14323.888669]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14323.888676]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14323.888681]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14323.888689]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14323.888694]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14323.888700]  ? mutex_trylock+0xcd/0xe0
>[14323.888704]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14323.888710]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14323.888744]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14323.888768]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14323.888790]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14323.888812]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14323.888831]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14323.888848]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14323.888854]  ? __might_fault+0x3e/0x90
>[14323.888872]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14323.888886]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14323.888898]  drm_ioctl+0x2d5/0x370 [drm]
>[14323.888924]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14323.888947]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14323.888954]  do_vfs_ioctl+0xa5/0x6e0
>[14323.888961]  SyS_ioctl+0x74/0x80
>[14323.888967]  do_syscall_64+0x79/0x220
>[14323.888972]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14323.888976] RIP: 0033:0x7f6f9ac700f7
>[14323.888979] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14323.888982] RAX: ffffffffffffffda RBX: 000055d0a8f6f9a0 RCX: 00007f6f9ac700f7
>[14323.888984] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14323.888986] RBP: 00007ffd10a897b0 R08: 000055d0a8f6f9a0 R09: 0000000000000004
>[14323.888987] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14323.888989] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0a954c4f0
>[14325.082644] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14325.082655] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14325.082662] CPU: 1 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14325.082665] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14325.082668] Call Trace:
>[14325.082683]  dump_stack+0x85/0xbf
>[14325.082693]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14325.082717]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14325.082736]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14325.082748]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14325.082755]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14325.082765]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14325.082774]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14325.082786]  ? mutex_trylock+0xcd/0xe0
>[14325.082795]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14325.082805]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14325.082890]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14325.082971]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14325.083035]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14325.083047]  ? lock_acquire+0x9f/0x200
>[14325.083113]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14325.083166]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14325.083222]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14325.083235]  ? __might_fault+0x3e/0x90
>[14325.083283]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14325.083318]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14325.083333]  drm_ioctl+0x2d5/0x370 [drm]
>[14325.083359]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14325.083389]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14325.083396]  do_vfs_ioctl+0xa5/0x6e0
>[14325.083403]  SyS_ioctl+0x74/0x80
>[14325.083408]  do_syscall_64+0x79/0x220
>[14325.083413]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14325.083417] RIP: 0033:0x7f07d78580f7
>[14325.083419] RSP: 002b:00007ffc892201c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14325.083423] RAX: ffffffffffffffda RBX: 00000000034eeef0 RCX: 00007f07d78580f7
>[14325.083426] RDX: 00007ffc89220210 RSI: 00000000c0206440 RDI: 000000000000000b
>[14325.083428] RBP: 00007ffc89220210 R08: 00000000034eeef0 R09: 0000000000000004
>[14325.083431] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14325.083434] R13: 000000000000000b R14: 00007ffc892202a8 R15: 000000000346d960
>[14327.011675] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14327.011681] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14327.011685] CPU: 6 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14327.011688] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14327.011690] Call Trace:
>[14327.011698]  dump_stack+0x85/0xbf
>[14327.011705]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14327.011715]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14327.011725]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14327.011733]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14327.011739]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14327.011748]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14327.011753]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14327.011760]  ? mutex_trylock+0xcd/0xe0
>[14327.011765]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14327.011771]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14327.011811]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14327.011844]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14327.011877]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14327.011910]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14327.011941]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14327.011967]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14327.011974]  ? __might_fault+0x3e/0x90
>[14327.012002]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14327.012018]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14327.012030]  drm_ioctl+0x2d5/0x370 [drm]
>[14327.012057]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14327.012087]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14327.012095]  do_vfs_ioctl+0xa5/0x6e0
>[14327.012103]  SyS_ioctl+0x74/0x80
>[14327.012110]  do_syscall_64+0x79/0x220
>[14327.012115]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14327.012118] RIP: 0033:0x7f6f9ac700f7
>[14327.012121] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14327.012125] RAX: ffffffffffffffda RBX: 000055d0aad11a20 RCX: 00007f6f9ac700f7
>[14327.012128] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14327.012130] RBP: 00007ffd10a897b0 R08: 000055d0aad11a20 R09: 0000000000000004
>[14327.012133] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14327.012135] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0a88ccdd0
>[14327.528683] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14327.528688] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14327.528691] CPU: 5 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14327.528693] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14327.528695] Call Trace:
>[14327.528702]  dump_stack+0x85/0xbf
>[14327.528707]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14327.528715]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14327.528721]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14327.528726]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14327.528730]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14327.528736]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14327.528739]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14327.528744]  ? mutex_trylock+0xcd/0xe0
>[14327.528747]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14327.528750]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14327.528783]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14327.528802]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14327.528820]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14327.528840]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14327.528858]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14327.528874]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14327.528879]  ? __might_fault+0x3e/0x90
>[14327.528905]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14327.528917]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14327.528924]  drm_ioctl+0x2d5/0x370 [drm]
>[14327.528940]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14327.528958]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14327.528963]  do_vfs_ioctl+0xa5/0x6e0
>[14327.528968]  SyS_ioctl+0x74/0x80
>[14327.528972]  do_syscall_64+0x79/0x220
>[14327.528975]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14327.528978] RIP: 0033:0x7f6f9ac700f7
>[14327.528980] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14327.528983] RAX: ffffffffffffffda RBX: 000055d0abac33f0 RCX: 00007f6f9ac700f7
>[14327.528984] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14327.528986] RBP: 00007ffd10a897b0 R08: 000055d0abac33f0 R09: 0000000000000004
>[14327.528988] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14327.528990] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0a874b700
>[14332.095666] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14334.553682] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14334.553686] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14334.553689] CPU: 2 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14334.553691] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14334.553692] Call Trace:
>[14334.553700]  dump_stack+0x85/0xbf
>[14334.553705]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14334.553713]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14334.553720]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14334.553725]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14334.553729]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14334.553736]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14334.553739]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14334.553744]  ? mutex_trylock+0xcd/0xe0
>[14334.553748]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14334.553751]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14334.553799]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14334.553847]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14334.553888]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14334.553912]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14334.553934]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14334.553951]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14334.553957]  ? __might_fault+0x3e/0x90
>[14334.553975]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14334.553989]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14334.553997]  drm_ioctl+0x2d5/0x370 [drm]
>[14334.554014]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14334.554033]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14334.554038]  do_vfs_ioctl+0xa5/0x6e0
>[14334.554043]  SyS_ioctl+0x74/0x80
>[14334.554048]  do_syscall_64+0x79/0x220
>[14334.554052]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14334.554054] RIP: 0033:0x7f6f9ac700f7
>[14334.554056] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14334.554059] RAX: ffffffffffffffda RBX: 000055d0ad435f80 RCX: 00007f6f9ac700f7
>[14334.554061] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14334.554063] RBP: 00007ffd10a897b0 R08: 000055d0ad435f80 R09: 0000000000000004
>[14334.554065] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14334.554067] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad036dc0
>[14336.772993] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14336.772999] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14336.773003] CPU: 2 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14336.773005] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14336.773008] Call Trace:
>[14336.773015]  dump_stack+0x85/0xbf
>[14336.773021]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14336.773030]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14336.773039]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14336.773046]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14336.773052]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14336.773060]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14336.773065]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14336.773070]  ? mutex_trylock+0xcd/0xe0
>[14336.773075]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14336.773080]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14336.773115]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14336.773144]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14336.773173]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14336.773203]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14336.773232]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14336.773258]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14336.773264]  ? __might_fault+0x3e/0x90
>[14336.773290]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14336.773303]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14336.773314]  drm_ioctl+0x2d5/0x370 [drm]
>[14336.773339]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14336.773368]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14336.773374]  do_vfs_ioctl+0xa5/0x6e0
>[14336.773380]  SyS_ioctl+0x74/0x80
>[14336.773386]  do_syscall_64+0x79/0x220
>[14336.773390]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14336.773394] RIP: 0033:0x7f6f9ac700f7
>[14336.773396] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14336.773400] RAX: ffffffffffffffda RBX: 000055d0ad2ebb50 RCX: 00007f6f9ac700f7
>[14336.773402] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14336.773405] RBP: 00007ffd10a897b0 R08: 000055d0ad2ebb50 R09: 00007f6f9af34ce0
>[14336.773407] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14336.773409] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad2eba80
>[14345.741002] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14345.741006] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14345.741009] CPU: 5 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14345.741011] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14345.741013] Call Trace:
>[14345.741020]  dump_stack+0x85/0xbf
>[14345.741025]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14345.741033]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14345.741040]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14345.741045]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14345.741050]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14345.741055]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14345.741059]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14345.741064]  ? mutex_trylock+0xcd/0xe0
>[14345.741068]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14345.741072]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14345.741111]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14345.741139]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14345.741164]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14345.741190]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14345.741210]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14345.741229]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14345.741235]  ? __might_fault+0x3e/0x90
>[14345.741254]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14345.741267]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14345.741275]  drm_ioctl+0x2d5/0x370 [drm]
>[14345.741293]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14345.741312]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14345.741317]  do_vfs_ioctl+0xa5/0x6e0
>[14345.741322]  SyS_ioctl+0x74/0x80
>[14345.741327]  do_syscall_64+0x79/0x220
>[14345.741330]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14345.741332] RIP: 0033:0x7f6f9ac700f7
>[14345.741334] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14345.741337] RAX: ffffffffffffffda RBX: 000055d0ad3f1260 RCX: 00007f6f9ac700f7
>[14345.741338] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14345.741340] RBP: 00007ffd10a897b0 R08: 000055d0ad3f1260 R09: 0000000000000005
>[14345.741342] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14345.741343] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad3f1190
>[14346.192911] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14346.192918] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14346.192923] CPU: 1 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14346.192926] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14346.192929] Call Trace:
>[14346.192937]  dump_stack+0x85/0xbf
>[14346.192943]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14346.192953]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14346.192963]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14346.192971]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14346.192976]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14346.192985]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14346.192989]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14346.192996]  ? mutex_trylock+0xcd/0xe0
>[14346.193001]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14346.193007]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14346.193046]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14346.193080]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14346.193117]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14346.193149]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14346.193179]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14346.193206]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14346.193213]  ? __might_fault+0x3e/0x90
>[14346.193241]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14346.193257]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14346.193269]  drm_ioctl+0x2d5/0x370 [drm]
>[14346.193295]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14346.193325]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14346.193332]  do_vfs_ioctl+0xa5/0x6e0
>[14346.193340]  SyS_ioctl+0x74/0x80
>[14346.193346]  do_syscall_64+0x79/0x220
>[14346.193351]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14346.193355] RIP: 0033:0x7f07d78580f7
>[14346.193357] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14346.193362] RAX: ffffffffffffffda RBX: 00000000032e1fc0 RCX: 00007f07d78580f7
>[14346.193364] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14346.193367] RBP: 00007ffc892203c0 R08: 00000000032e1fc0 R09: 0000000000000004
>[14346.193370] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14346.193373] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000032bdb10
>[14346.225643] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14346.225648] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14346.225651] CPU: 1 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14346.225653] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14346.225655] Call Trace:
>[14346.225661]  dump_stack+0x85/0xbf
>[14346.225666]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14346.225674]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14346.225682]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14346.225688]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14346.225692]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14346.225699]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14346.225703]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14346.225708]  ? mutex_trylock+0xcd/0xe0
>[14346.225712]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14346.225716]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14346.225765]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14346.225797]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14346.225824]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14346.225829]  ? __wake_up_common_lock+0x89/0xc0
>[14346.225853]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14346.225874]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14346.225892]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14346.225898]  ? __might_fault+0x3e/0x90
>[14346.225917]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14346.225930]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14346.225937]  drm_ioctl+0x2d5/0x370 [drm]
>[14346.225953]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14346.225973]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14346.225978]  do_vfs_ioctl+0xa5/0x6e0
>[14346.225983]  SyS_ioctl+0x74/0x80
>[14346.225988]  do_syscall_64+0x79/0x220
>[14346.225991]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14346.225994] RIP: 0033:0x7f07d78580f7
>[14346.225996] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14346.225999] RAX: ffffffffffffffda RBX: 00000000032edde0 RCX: 00007f07d78580f7
>[14346.226001] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14346.226003] RBP: 00007ffc892203c0 R08: 00000000032edde0 R09: 0000000000000004
>[14346.226005] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14346.226007] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000032ebd10
>[14346.949258] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14346.949265] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14346.949269] CPU: 4 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14346.949273] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14346.949275] Call Trace:
>[14346.949284]  dump_stack+0x85/0xbf
>[14346.949290]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14346.949301]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14346.949312]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14346.949321]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14346.949327]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14346.949336]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14346.949342]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14346.949349]  ? mutex_trylock+0xcd/0xe0
>[14346.949354]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14346.949360]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14346.949405]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14346.949440]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14346.949474]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14346.949507]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14346.949538]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14346.949566]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14346.949573]  ? __might_fault+0x3e/0x90
>[14346.949602]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14346.949619]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14346.949632]  drm_ioctl+0x2d5/0x370 [drm]
>[14346.949659]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14346.949689]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14346.949696]  do_vfs_ioctl+0xa5/0x6e0
>[14346.949703]  SyS_ioctl+0x74/0x80
>[14346.949710]  do_syscall_64+0x79/0x220
>[14346.949715]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14346.949719] RIP: 0033:0x7f6f9ac700f7
>[14346.949722] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14346.949726] RAX: ffffffffffffffda RBX: 000055d0ad3e76f0 RCX: 00007f6f9ac700f7
>[14346.949729] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14346.949731] RBP: 00007ffd10a897b0 R08: 000055d0ad3e76f0 R09: 0000000000000004
>[14346.949734] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14346.949737] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad128890
>[14348.095680] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14354.775632] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14354.775639] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14354.775643] CPU: 3 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14354.775645] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14354.775648] Call Trace:
>[14354.775655]  dump_stack+0x85/0xbf
>[14354.775661]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14354.775672]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14354.775682]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14354.775690]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14354.775696]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14354.775704]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14354.775709]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14354.775716]  ? mutex_trylock+0xcd/0xe0
>[14354.775721]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14354.775726]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14354.775767]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14354.775802]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14354.775836]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14354.775871]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14354.775901]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14354.775929]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14354.775936]  ? __might_fault+0x3e/0x90
>[14354.775964]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14354.775979]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14354.775990]  drm_ioctl+0x2d5/0x370 [drm]
>[14354.776017]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14354.776047]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14354.776054]  do_vfs_ioctl+0xa5/0x6e0
>[14354.776060]  SyS_ioctl+0x74/0x80
>[14354.776066]  do_syscall_64+0x79/0x220
>[14354.776071]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14354.776075] RIP: 0033:0x7f6f9ac700f7
>[14354.776077] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14354.776081] RAX: ffffffffffffffda RBX: 000055d0ad40c690 RCX: 00007f6f9ac700f7
>[14354.776083] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14354.776086] RBP: 00007ffd10a897b0 R08: 000055d0ad40c690 R09: 0000000000000004
>[14354.776088] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14354.776090] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad2eecb0
>[14356.406117] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14356.406125] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14356.406129] CPU: 5 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14356.406132] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14356.406134] Call Trace:
>[14356.406143]  dump_stack+0x85/0xbf
>[14356.406149]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14356.406159]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14356.406168]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14356.406176]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14356.406181]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14356.406189]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14356.406194]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14356.406200]  ? mutex_trylock+0xcd/0xe0
>[14356.406206]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14356.406212]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14356.406254]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14356.406288]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14356.406321]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14356.406356]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14356.406389]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14356.406418]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14356.406424]  ? __might_fault+0x3e/0x90
>[14356.406453]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14356.406468]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14356.406480]  drm_ioctl+0x2d5/0x370 [drm]
>[14356.406507]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14356.406551]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14356.406558]  do_vfs_ioctl+0xa5/0x6e0
>[14356.406565]  SyS_ioctl+0x74/0x80
>[14356.406571]  do_syscall_64+0x79/0x220
>[14356.406576]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14356.406580] RIP: 0033:0x7f6f9ac700f7
>[14356.406582] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14356.406586] RAX: ffffffffffffffda RBX: 000055d0acf60b20 RCX: 00007f6f9ac700f7
>[14356.406589] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14356.406591] RBP: 00007ffd10a897b0 R08: 000055d0acf60b20 R09: 0000000000000004
>[14356.406593] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14356.406595] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad23cd30
>[14361.141885] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14361.141890] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14361.141893] CPU: 7 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14361.141895] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14361.141897] Call Trace:
>[14361.141906]  dump_stack+0x85/0xbf
>[14361.141911]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14361.141921]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14361.141930]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14361.141935]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14361.141939]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14361.141946]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14361.141950]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14361.141956]  ? mutex_trylock+0xcd/0xe0
>[14361.141960]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14361.141964]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14361.142028]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14361.142067]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14361.142100]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14361.142135]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14361.142160]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14361.142180]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14361.142188]  ? __might_fault+0x3e/0x90
>[14361.142210]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14361.142225]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14361.142234]  drm_ioctl+0x2d5/0x370 [drm]
>[14361.142252]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14361.142271]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14361.142276]  do_vfs_ioctl+0xa5/0x6e0
>[14361.142281]  SyS_ioctl+0x74/0x80
>[14361.142286]  do_syscall_64+0x79/0x220
>[14361.142290]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14361.142292] RIP: 0033:0x7f6f9ac700f7
>[14361.142294] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14361.142297] RAX: ffffffffffffffda RBX: 000055d0a5551970 RCX: 00007f6f9ac700f7
>[14361.142299] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14361.142301] RBP: 00007ffd10a897b0 R08: 000055d0a5551970 R09: 00007f6f9af34cc0
>[14361.142302] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14361.142304] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad14b760
>[14364.093693] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14366.065849] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14366.065856] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14366.065860] CPU: 5 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14366.065863] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14366.065866] Call Trace:
>[14366.065873]  dump_stack+0x85/0xbf
>[14366.065879]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14366.065889]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14366.065900]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14366.065908]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14366.065915]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14366.065924]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14366.065930]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14366.065937]  ? mutex_trylock+0xcd/0xe0
>[14366.065942]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14366.065948]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14366.065991]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14366.066026]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14366.066061]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14366.066094]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14366.066136]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14366.066165]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14366.066171]  ? __might_fault+0x3e/0x90
>[14366.066200]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14366.066215]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14366.066226]  drm_ioctl+0x2d5/0x370 [drm]
>[14366.066253]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14366.066284]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14366.066290]  do_vfs_ioctl+0xa5/0x6e0
>[14366.066297]  SyS_ioctl+0x74/0x80
>[14366.066303]  do_syscall_64+0x79/0x220
>[14366.066307]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14366.066311] RIP: 0033:0x7f6f9ac700f7
>[14366.066313] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14366.066316] RAX: ffffffffffffffda RBX: 000055d0ad1433d0 RCX: 00007f6f9ac700f7
>[14366.066329] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14366.066331] RBP: 00007ffd10a897b0 R08: 000055d0ad1433d0 R09: 0000000000000004
>[14366.066333] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14366.066336] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0abcffc40
>[14367.408817] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14367.408822] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14367.408825] CPU: 5 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14367.408827] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14367.408828] Call Trace:
>[14367.408835]  dump_stack+0x85/0xbf
>[14367.408839]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14367.408846]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14367.408852]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14367.408856]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14367.408860]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14367.408865]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14367.408869]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14367.408874]  ? mutex_trylock+0xcd/0xe0
>[14367.408877]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14367.408880]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14367.408911]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14367.408932]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14367.408953]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14367.408973]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14367.408992]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14367.409009]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14367.409014]  ? __might_fault+0x3e/0x90
>[14367.409032]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14367.409043]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14367.409049]  drm_ioctl+0x2d5/0x370 [drm]
>[14367.409066]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14367.409104]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14367.409110]  do_vfs_ioctl+0xa5/0x6e0
>[14367.409114]  SyS_ioctl+0x74/0x80
>[14367.409119]  do_syscall_64+0x79/0x220
>[14367.409122]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14367.409125] RIP: 0033:0x7f6f9ac700f7
>[14367.409127] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14367.409129] RAX: ffffffffffffffda RBX: 000055d0a6cb2bb0 RCX: 00007f6f9ac700f7
>[14367.409131] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14367.409133] RBP: 00007ffd10a897b0 R08: 000055d0a6cb2bb0 R09: 0000000000000004
>[14367.409134] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14367.409145] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad143290
>[14367.956237] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14367.956242] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14367.956245] CPU: 4 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14367.956247] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14367.956249] Call Trace:
>[14367.956258]  dump_stack+0x85/0xbf
>[14367.956264]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14367.956272]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14367.956279]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14367.956284]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14367.956288]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14367.956293]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14367.956297]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14367.956302]  ? mutex_trylock+0xcd/0xe0
>[14367.956305]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14367.956309]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14367.956341]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14367.956365]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14367.956388]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14367.956392]  ? lock_acquire+0x9f/0x200
>[14367.956413]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14367.956434]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14367.956452]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14367.956457]  ? __might_fault+0x3e/0x90
>[14367.956475]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14367.956486]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14367.956494]  drm_ioctl+0x2d5/0x370 [drm]
>[14367.956511]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14367.956530]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14367.956535]  do_vfs_ioctl+0xa5/0x6e0
>[14367.956540]  SyS_ioctl+0x74/0x80
>[14367.956544]  do_syscall_64+0x79/0x220
>[14367.956547]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14367.956550] RIP: 0033:0x7f07d78580f7
>[14367.956552] RSP: 002b:00007ffc892201c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14367.956555] RAX: ffffffffffffffda RBX: 000000000329ab80 RCX: 00007f07d78580f7
>[14367.956557] RDX: 00007ffc89220210 RSI: 00000000c0206440 RDI: 000000000000000b
>[14367.956559] RBP: 00007ffc89220210 R08: 000000000329ab80 R09: 0000000000000004
>[14367.956561] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14367.956563] R13: 000000000000000b R14: 00007ffc892202a8 R15: 0000000003477ae0
>[14372.373700] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14372.373706] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14372.373710] CPU: 2 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14372.373712] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14372.373714] Call Trace:
>[14372.373723]  dump_stack+0x85/0xbf
>[14372.373728]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14372.373738]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14372.373748]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14372.373755]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14372.373760]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14372.373768]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14372.373773]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14372.373780]  ? mutex_trylock+0xcd/0xe0
>[14372.373784]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14372.373789]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14372.373870]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14372.373920]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14372.373966]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14372.374005]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14372.374041]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14372.374070]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14372.374079]  ? __might_fault+0x3e/0x90
>[14372.374107]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14372.374142]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14372.374156]  drm_ioctl+0x2d5/0x370 [drm]
>[14372.374194]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14372.374233]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14372.374241]  do_vfs_ioctl+0xa5/0x6e0
>[14372.374248]  SyS_ioctl+0x74/0x80
>[14372.374254]  do_syscall_64+0x79/0x220
>[14372.374259]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14372.374263] RIP: 0033:0x7f07d78580f7
>[14372.374265] RSP: 002b:00007ffc892201c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14372.374269] RAX: ffffffffffffffda RBX: 0000000002f32360 RCX: 00007f07d78580f7
>[14372.374271] RDX: 00007ffc89220210 RSI: 00000000c0206440 RDI: 000000000000000b
>[14372.374273] RBP: 00007ffc89220210 R08: 0000000002f32360 R09: 0000000000000004
>[14372.374275] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14372.374278] R13: 000000000000000b R14: 00007ffc892202a8 R15: 00000000033e0740
>[14375.407872] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14375.407878] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14375.407882] CPU: 6 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14375.407884] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14375.407886] Call Trace:
>[14375.407893]  dump_stack+0x85/0xbf
>[14375.407899]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14375.407908]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14375.407916]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14375.407923]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14375.407928]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14375.407935]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14375.407940]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14375.407947]  ? mutex_trylock+0xcd/0xe0
>[14375.407951]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14375.407956]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14375.407994]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14375.408018]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14375.408040]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14375.408062]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14375.408082]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14375.408099]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14375.408104]  ? __might_fault+0x3e/0x90
>[14375.408136]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14375.408148]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14375.408165]  drm_ioctl+0x2d5/0x370 [drm]
>[14375.408182]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14375.408200]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14375.408205]  do_vfs_ioctl+0xa5/0x6e0
>[14375.408210]  SyS_ioctl+0x74/0x80
>[14375.408215]  do_syscall_64+0x79/0x220
>[14375.408218]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14375.408221] RIP: 0033:0x7f6f9ac700f7
>[14375.408223] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14375.408225] RAX: ffffffffffffffda RBX: 000055d0a54df070 RCX: 00007f6f9ac700f7
>[14375.408227] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14375.408229] RBP: 00007ffd10a897b0 R08: 000055d0a54df070 R09: 00007f6f9af34ca0
>[14375.408231] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14375.408232] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0a80b8f00
>[14375.437248] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14375.437252] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14375.437255] CPU: 6 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14375.437257] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14375.437258] Call Trace:
>[14375.437264]  dump_stack+0x85/0xbf
>[14375.437269]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14375.437276]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14375.437282]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14375.437287]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14375.437290]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14375.437295]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14375.437298]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14375.437303]  ? mutex_trylock+0xcd/0xe0
>[14375.437306]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14375.437319]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14375.437361]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14375.437383]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14375.437403]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14375.437423]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14375.437454]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14375.437471]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14375.437476]  ? __might_fault+0x3e/0x90
>[14375.437494]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14375.437505]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14375.437512]  drm_ioctl+0x2d5/0x370 [drm]
>[14375.437528]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14375.437547]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14375.437552]  do_vfs_ioctl+0xa5/0x6e0
>[14375.437556]  SyS_ioctl+0x74/0x80
>[14375.437560]  do_syscall_64+0x79/0x220
>[14375.437564]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14375.437566] RIP: 0033:0x7f6f9ac700f7
>[14375.437568] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14375.437571] RAX: ffffffffffffffda RBX: 000055d0ad2fe390 RCX: 00007f6f9ac700f7
>[14375.437572] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14375.437574] RBP: 00007ffd10a897b0 R08: 000055d0ad2fe390 R09: 00007f6f9af34c90
>[14375.437575] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14375.437577] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad2e78e0
>[14376.429615] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14376.429624] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14376.429629] CPU: 2 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14376.429633] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14376.429635] Call Trace:
>[14376.429651]  dump_stack+0x85/0xbf
>[14376.429661]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14376.429678]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14376.429691]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14376.429699]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14376.429705]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14376.429717]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14376.429723]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14376.429731]  ? mutex_trylock+0xcd/0xe0
>[14376.429736]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14376.429741]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14376.429845]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14376.429909]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14376.429964]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14376.430017]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14376.430071]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14376.430115]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14376.430124]  ? __might_fault+0x3e/0x90
>[14376.430171]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14376.430212]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14376.430235]  drm_ioctl+0x2d5/0x370 [drm]
>[14376.430269]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14376.430304]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14376.430312]  do_vfs_ioctl+0xa5/0x6e0
>[14376.430319]  SyS_ioctl+0x74/0x80
>[14376.430327]  do_syscall_64+0x79/0x220
>[14376.430333]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14376.430337] RIP: 0033:0x7f6f9ac700f7
>[14376.430340] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14376.430344] RAX: ffffffffffffffda RBX: 000055d0ad3bb230 RCX: 00007f6f9ac700f7
>[14376.430346] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14376.430348] RBP: 00007ffd10a897b0 R08: 000055d0ad3bb230 R09: 00007f6f9af34c90
>[14376.430351] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14376.430353] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad2e78e0
>[14378.387817] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14378.387822] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14378.387825] CPU: 4 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14378.387827] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14378.387829] Call Trace:
>[14378.387837]  dump_stack+0x85/0xbf
>[14378.387842]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14378.387851]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14378.387858]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14378.387864]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14378.387869]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14378.387875]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14378.387879]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14378.387884]  ? mutex_trylock+0xcd/0xe0
>[14378.387888]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14378.387891]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14378.387930]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14378.387959]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14378.387985]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14378.388011]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14378.388034]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14378.388053]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14378.388059]  ? __might_fault+0x3e/0x90
>[14378.388079]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14378.388093]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14378.388101]  drm_ioctl+0x2d5/0x370 [drm]
>[14378.388119]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14378.388149]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14378.388154]  do_vfs_ioctl+0xa5/0x6e0
>[14378.388159]  SyS_ioctl+0x74/0x80
>[14378.388164]  do_syscall_64+0x79/0x220
>[14378.388168]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14378.388170] RIP: 0033:0x7f07d78580f7
>[14378.388172] RSP: 002b:00007ffc892201c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14378.388175] RAX: ffffffffffffffda RBX: 00000000034eeef0 RCX: 00007f07d78580f7
>[14378.388177] RDX: 00007ffc89220210 RSI: 00000000c0206440 RDI: 000000000000000b
>[14378.388179] RBP: 00007ffc89220210 R08: 00000000034eeef0 R09: 0000000000000004
>[14378.388181] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14378.388182] R13: 000000000000000b R14: 00007ffc892202a8 R15: 0000000003477ae0
>[14379.870199] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14379.870203] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14379.870207] CPU: 4 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14379.870209] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14379.870211] Call Trace:
>[14379.870218]  dump_stack+0x85/0xbf
>[14379.870222]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14379.870230]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14379.870237]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14379.870242]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14379.870246]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14379.870253]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14379.870256]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14379.870261]  ? mutex_trylock+0xcd/0xe0
>[14379.870265]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14379.870269]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14379.870300]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14379.870322]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14379.870344]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14379.870365]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14379.870386]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14379.870403]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14379.870408]  ? __might_fault+0x3e/0x90
>[14379.870426]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14379.870438]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14379.870446]  drm_ioctl+0x2d5/0x370 [drm]
>[14379.870462]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14379.870482]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14379.870487]  do_vfs_ioctl+0xa5/0x6e0
>[14379.870492]  SyS_ioctl+0x74/0x80
>[14379.870497]  do_syscall_64+0x79/0x220
>[14379.870501]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14379.870504] RIP: 0033:0x7f6f9ac700f7
>[14379.870506] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14379.870509] RAX: ffffffffffffffda RBX: 000055d0ad3c15f0 RCX: 00007f6f9ac700f7
>[14379.870511] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14379.870513] RBP: 00007ffd10a897b0 R08: 000055d0ad3c15f0 R09: 00007f6f9af34ca0
>[14379.870514] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14379.870516] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad3c1520
>[14380.095721] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14384.202317] swiotlb_tbl_map_single: 2 callbacks suppressed
>[14384.202320] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14384.202327] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14384.202330] CPU: 4 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14384.202333] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14384.202335] Call Trace:
>[14384.202343]  dump_stack+0x85/0xbf
>[14384.202348]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14384.202358]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14384.202367]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14384.202373]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14384.202378]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14384.202386]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14384.202391]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14384.202397]  ? mutex_trylock+0xcd/0xe0
>[14384.202401]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14384.202406]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14384.202461]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14384.202491]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14384.202523]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14384.202553]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14384.202582]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14384.202605]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14384.202612]  ? __might_fault+0x3e/0x90
>[14384.202638]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14384.202655]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14384.202666]  drm_ioctl+0x2d5/0x370 [drm]
>[14384.202692]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14384.202719]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14384.202726]  do_vfs_ioctl+0xa5/0x6e0
>[14384.202735]  SyS_ioctl+0x74/0x80
>[14384.202744]  do_syscall_64+0x79/0x220
>[14384.202749]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14384.202753] RIP: 0033:0x7f6f9ac700f7
>[14384.202756] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14384.202759] RAX: ffffffffffffffda RBX: 000055d0ad2d5230 RCX: 00007f6f9ac700f7
>[14384.202762] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14384.202764] RBP: 00007ffd10a897b0 R08: 000055d0ad2d5230 R09: 0000000000000004
>[14384.202766] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14384.202768] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0a54def40
>[14396.094745] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14397.358638] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14397.358644] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14397.358647] CPU: 7 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14397.358650] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14397.358652] Call Trace:
>[14397.358661]  dump_stack+0x85/0xbf
>[14397.358676]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14397.358686]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14397.358693]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14397.358697]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14397.358700]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14397.358706]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14397.358719]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14397.358723]  ? mutex_trylock+0xcd/0xe0
>[14397.358726]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14397.358729]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14397.358772]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14397.358794]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14397.358814]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14397.358844]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14397.358863]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14397.358891]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14397.358896]  ? __might_fault+0x3e/0x90
>[14397.358913]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14397.358924]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14397.358930]  drm_ioctl+0x2d5/0x370 [drm]
>[14397.358946]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14397.358975]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14397.358980]  do_vfs_ioctl+0xa5/0x6e0
>[14397.358984]  SyS_ioctl+0x74/0x80
>[14397.358989]  do_syscall_64+0x79/0x220
>[14397.358992]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14397.358995] RIP: 0033:0x7f6f9ac700f7
>[14397.358997] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14397.359000] RAX: ffffffffffffffda RBX: 000055d0a95e1b70 RCX: 00007f6f9ac700f7
>[14397.359001] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14397.359003] RBP: 00007ffd10a897b0 R08: 000055d0a95e1b70 R09: 00007f6f9af34c50
>[14397.359004] R10: 0000000000000006 R11: 0000000000000246 R12: 00000000c0206440
>[14397.359006] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0a95e1aa0
>[14398.907357] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14398.907361] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14398.907364] CPU: 4 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14398.907366] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14398.907368] Call Trace:
>[14398.907374]  dump_stack+0x85/0xbf
>[14398.907379]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14398.907386]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14398.907393]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14398.907398]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14398.907402]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14398.907408]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14398.907411]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14398.907416]  ? mutex_trylock+0xcd/0xe0
>[14398.907420]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14398.907424]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14398.907456]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14398.907479]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14398.907500]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14398.907522]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14398.907542]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14398.907560]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14398.907566]  ? __might_fault+0x3e/0x90
>[14398.907585]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14398.907598]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14398.907606]  drm_ioctl+0x2d5/0x370 [drm]
>[14398.907624]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14398.907644]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14398.907650]  do_vfs_ioctl+0xa5/0x6e0
>[14398.907655]  SyS_ioctl+0x74/0x80
>[14398.907660]  do_syscall_64+0x79/0x220
>[14398.907664]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14398.907667] RIP: 0033:0x7f6f9ac700f7
>[14398.907669] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14398.907672] RAX: ffffffffffffffda RBX: 000055d0ad40ce40 RCX: 00007f6f9ac700f7
>[14398.907674] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14398.907676] RBP: 00007ffd10a897b0 R08: 000055d0ad40ce40 R09: 00007f6f9af34ca0
>[14398.907677] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14398.907679] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad40cd70
>[14403.480925] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14403.480932] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14403.480935] CPU: 1 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14403.480938] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14403.480940] Call Trace:
>[14403.480948]  dump_stack+0x85/0xbf
>[14403.480953]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14403.480962]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14403.480970]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14403.480975]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14403.480979]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14403.480985]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14403.480989]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14403.480994]  ? mutex_trylock+0xcd/0xe0
>[14403.480998]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14403.481002]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14403.481059]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14403.481092]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14403.481119]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14403.481149]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14403.481180]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14403.481206]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14403.481213]  ? __might_fault+0x3e/0x90
>[14403.481239]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14403.481255]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14403.481268]  drm_ioctl+0x2d5/0x370 [drm]
>[14403.481301]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14403.481326]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14403.481333]  do_vfs_ioctl+0xa5/0x6e0
>[14403.481338]  SyS_ioctl+0x74/0x80
>[14403.481344]  do_syscall_64+0x79/0x220
>[14403.481348]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14403.481351] RIP: 0033:0x7f6f9ac700f7
>[14403.481353] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14403.481357] RAX: ffffffffffffffda RBX: 000055d0a9601400 RCX: 00007f6f9ac700f7
>[14403.481359] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14403.481361] RBP: 00007ffd10a897b0 R08: 000055d0a9601400 R09: 0000000000000004
>[14403.481363] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14403.481365] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad42fea0
>[14403.510801] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14403.510805] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14403.510808] CPU: 7 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14403.510810] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14403.510811] Call Trace:
>[14403.510817]  dump_stack+0x85/0xbf
>[14403.510821]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14403.510828]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14403.510834]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14403.510839]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14403.510843]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14403.510848]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14403.510851]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14403.510856]  ? mutex_trylock+0xcd/0xe0
>[14403.510859]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14403.510863]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14403.510900]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14403.510919]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14403.510937]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14403.510956]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14403.510975]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14403.510990]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14403.510996]  ? __might_fault+0x3e/0x90
>[14403.511013]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14403.511024]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14403.511031]  drm_ioctl+0x2d5/0x370 [drm]
>[14403.511047]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14403.511065]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14403.511069]  do_vfs_ioctl+0xa5/0x6e0
>[14403.511074]  SyS_ioctl+0x74/0x80
>[14403.511078]  do_syscall_64+0x79/0x220
>[14403.511081]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14403.511083] RIP: 0033:0x7f6f9ac700f7
>[14403.511085] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14403.511088] RAX: ffffffffffffffda RBX: 000055d0a9601400 RCX: 00007f6f9ac700f7
>[14403.511090] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14403.511091] RBP: 00007ffd10a897b0 R08: 000055d0a9601400 R09: 0000000000000004
>[14403.511093] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14403.511095] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad42fea0
>[14403.611599] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14403.611605] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14403.611609] CPU: 7 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14403.611612] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14403.611614] Call Trace:
>[14403.611622]  dump_stack+0x85/0xbf
>[14403.611628]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14403.611638]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14403.611648]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14403.611655]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14403.611661]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14403.611670]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14403.611675]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14403.611681]  ? mutex_trylock+0xcd/0xe0
>[14403.611686]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14403.611691]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14403.611728]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14403.611759]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14403.611789]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14403.611819]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14403.611848]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14403.611873]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14403.611880]  ? __might_fault+0x3e/0x90
>[14403.611906]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14403.611920]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14403.611931]  drm_ioctl+0x2d5/0x370 [drm]
>[14403.611956]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14403.611985]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14403.611991]  do_vfs_ioctl+0xa5/0x6e0
>[14403.611997]  SyS_ioctl+0x74/0x80
>[14403.612003]  do_syscall_64+0x79/0x220
>[14403.612008]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14403.612012] RIP: 0033:0x7f6f9ac700f7
>[14403.612014] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14403.612018] RAX: ffffffffffffffda RBX: 000055d0ad448ad0 RCX: 00007f6f9ac700f7
>[14403.612020] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14403.612023] RBP: 00007ffd10a897b0 R08: 000055d0ad448ad0 R09: 00007f6f9af34c50
>[14403.612025] R10: 0000000000000006 R11: 0000000000000246 R12: 00000000c0206440
>[14403.612027] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad3c4b70
>[14403.968466] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14403.968474] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14403.968478] CPU: 2 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14403.968482] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14403.968485] Call Trace:
>[14403.968495]  dump_stack+0x85/0xbf
>[14403.968502]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14403.968515]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14403.968527]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14403.968534]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14403.968541]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14403.968549]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14403.968553]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14403.968559]  ? mutex_trylock+0xcd/0xe0
>[14403.968564]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14403.968570]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14403.968624]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14403.968666]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14403.968705]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14403.968743]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14403.968777]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14403.968804]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14403.968811]  ? __might_fault+0x3e/0x90
>[14403.968835]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14403.968855]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14403.968870]  drm_ioctl+0x2d5/0x370 [drm]
>[14403.968895]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14403.968924]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14403.968933]  do_vfs_ioctl+0xa5/0x6e0
>[14403.968940]  SyS_ioctl+0x74/0x80
>[14403.968947]  do_syscall_64+0x79/0x220
>[14403.968953]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14403.968957] RIP: 0033:0x7f6f9ac700f7
>[14403.968959] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14403.968963] RAX: ffffffffffffffda RBX: 000055d0ad406990 RCX: 00007f6f9ac700f7
>[14403.968965] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14403.968968] RBP: 00007ffd10a897b0 R08: 000055d0ad406990 R09: 00007f6f9af34cc0
>[14403.968970] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14403.968972] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad49ec00
>[14404.099342] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14404.099351] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14404.099357] CPU: 1 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14404.099361] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14404.099365] Call Trace:
>[14404.099379]  dump_stack+0x85/0xbf
>[14404.099390]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14404.099413]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14404.099432]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14404.099447]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14404.099460]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14404.099472]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14404.099482]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14404.099493]  ? mutex_trylock+0xcd/0xe0
>[14404.099502]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14404.099511]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14404.099626]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14404.099716]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14404.099785]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14404.099839]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14404.099885]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14404.099931]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14404.099943]  ? __might_fault+0x3e/0x90
>[14404.099984]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14404.100017]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14404.100038]  drm_ioctl+0x2d5/0x370 [drm]
>[14404.100084]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14404.100127]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14404.100137]  do_vfs_ioctl+0xa5/0x6e0
>[14404.100147]  SyS_ioctl+0x74/0x80
>[14404.100154]  do_syscall_64+0x79/0x220
>[14404.100160]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14404.100164] RIP: 0033:0x7f6f9ac700f7
>[14404.100167] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14404.100172] RAX: ffffffffffffffda RBX: 000055d0ad3673d0 RCX: 00007f6f9ac700f7
>[14404.100175] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14404.100177] RBP: 00007ffd10a897b0 R08: 000055d0ad3673d0 R09: 00007f6f9af34ca0
>[14404.100180] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14404.100183] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad367300
>[14409.186808] swiotlb_tbl_map_single: 4 callbacks suppressed
>[14409.186810] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14409.186815] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14409.186818] CPU: 4 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14409.186820] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14409.186821] Call Trace:
>[14409.186828]  dump_stack+0x85/0xbf
>[14409.186832]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14409.186840]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14409.186847]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14409.186852]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14409.186856]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14409.186862]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14409.186865]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14409.186870]  ? mutex_trylock+0xcd/0xe0
>[14409.186874]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14409.186878]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14409.186934]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14409.186975]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14409.187006]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14409.187033]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14409.187058]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14409.187078]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14409.187085]  ? __might_fault+0x3e/0x90
>[14409.187106]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14409.187124]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14409.187133]  drm_ioctl+0x2d5/0x370 [drm]
>[14409.187151]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14409.187172]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14409.187177]  do_vfs_ioctl+0xa5/0x6e0
>[14409.187182]  SyS_ioctl+0x74/0x80
>[14409.187186]  do_syscall_64+0x79/0x220
>[14409.187189]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14409.187192] RIP: 0033:0x7f6f9ac700f7
>[14409.187194] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14409.187196] RAX: ffffffffffffffda RBX: 000055d0ad432450 RCX: 00007f6f9ac700f7
>[14409.187198] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14409.187200] RBP: 00007ffd10a897b0 R08: 000055d0ad432450 R09: 00007f6f9af34ca0
>[14409.187201] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14409.187203] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad432380
>[14412.091753] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14415.831611] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14415.831617] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14415.831621] CPU: 7 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14415.831624] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14415.831626] Call Trace:
>[14415.831634]  dump_stack+0x85/0xbf
>[14415.831640]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14415.831649]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14415.831659]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14415.831666]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14415.831672]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14415.831680]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14415.831685]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14415.831691]  ? mutex_trylock+0xcd/0xe0
>[14415.831695]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14415.831701]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14415.831741]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14415.831775]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14415.831808]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14415.831839]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14415.831868]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14415.831893]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14415.831900]  ? __might_fault+0x3e/0x90
>[14415.831926]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14415.831945]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14415.831957]  drm_ioctl+0x2d5/0x370 [drm]
>[14415.831983]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14415.832011]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14415.832018]  do_vfs_ioctl+0xa5/0x6e0
>[14415.832024]  SyS_ioctl+0x74/0x80
>[14415.832031]  do_syscall_64+0x79/0x220
>[14415.832035]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14415.832039] RIP: 0033:0x7f6f9ac700f7
>[14415.832042] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14415.832046] RAX: ffffffffffffffda RBX: 000055d0ad053d20 RCX: 00007f6f9ac700f7
>[14415.832048] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14415.832050] RBP: 00007ffd10a897b0 R08: 000055d0ad053d20 R09: 0000000000000004
>[14415.832052] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14415.832055] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad482c80
>[14417.278837] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14417.278841] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14417.278844] CPU: 2 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14417.278847] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14417.278848] Call Trace:
>[14417.278855]  dump_stack+0x85/0xbf
>[14417.278860]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14417.278867]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14417.278875]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14417.278880]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14417.278884]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14417.278890]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14417.278895]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14417.278900]  ? mutex_trylock+0xcd/0xe0
>[14417.278903]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14417.278907]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14417.278940]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14417.278965]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14417.278989]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14417.279023]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14417.279054]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14417.279081]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14417.279088]  ? __might_fault+0x3e/0x90
>[14417.279105]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14417.279117]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14417.279125]  drm_ioctl+0x2d5/0x370 [drm]
>[14417.279142]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14417.279162]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14417.279167]  do_vfs_ioctl+0xa5/0x6e0
>[14417.279172]  SyS_ioctl+0x74/0x80
>[14417.279177]  do_syscall_64+0x79/0x220
>[14417.279180]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14417.279183] RIP: 0033:0x7f6f9ac700f7
>[14417.279185] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14417.279188] RAX: ffffffffffffffda RBX: 000055d0ad44cd10 RCX: 00007f6f9ac700f7
>[14417.279190] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14417.279191] RBP: 00007ffd10a897b0 R08: 000055d0ad44cd10 R09: 00007f6f9af34c90
>[14417.279193] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14417.279195] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad3f2460
>[14419.026300] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14419.026306] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14419.026310] CPU: 5 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14419.026313] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14419.026315] Call Trace:
>[14419.026323]  dump_stack+0x85/0xbf
>[14419.026329]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14419.026339]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14419.026350]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14419.026357]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14419.026362]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14419.026371]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14419.026377]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14419.026383]  ? mutex_trylock+0xcd/0xe0
>[14419.026387]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14419.026393]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14419.026433]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14419.026466]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14419.026498]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14419.026530]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14419.026560]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14419.026588]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14419.026594]  ? __might_fault+0x3e/0x90
>[14419.026620]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14419.026633]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14419.026645]  drm_ioctl+0x2d5/0x370 [drm]
>[14419.026670]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14419.026698]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14419.026704]  do_vfs_ioctl+0xa5/0x6e0
>[14419.026710]  SyS_ioctl+0x74/0x80
>[14419.026716]  do_syscall_64+0x79/0x220
>[14419.026720]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14419.026724] RIP: 0033:0x7f6f9ac700f7
>[14419.026727] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14419.026730] RAX: ffffffffffffffda RBX: 000055d0ad44ce50 RCX: 00007f6f9ac700f7
>[14419.026732] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14419.026734] RBP: 00007ffd10a897b0 R08: 000055d0ad44ce50 R09: 00007f6f9af34da0
>[14419.026736] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14419.026739] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad3f2460
>[14425.530724] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14425.530729] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14425.530731] CPU: 5 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14425.530733] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14425.530734] Call Trace:
>[14425.530741]  dump_stack+0x85/0xbf
>[14425.530745]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14425.530753]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14425.530759]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14425.530764]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14425.530768]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14425.530773]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14425.530776]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14425.530781]  ? mutex_trylock+0xcd/0xe0
>[14425.530784]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14425.530787]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14425.530819]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14425.530843]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14425.530864]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14425.530885]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14425.530905]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14425.530923]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14425.530928]  ? __might_fault+0x3e/0x90
>[14425.530945]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14425.530956]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14425.530963]  drm_ioctl+0x2d5/0x370 [drm]
>[14425.530980]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14425.530997]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14425.531002]  do_vfs_ioctl+0xa5/0x6e0
>[14425.531006]  SyS_ioctl+0x74/0x80
>[14425.531010]  do_syscall_64+0x79/0x220
>[14425.531014]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14425.531016] RIP: 0033:0x7f6f9ac700f7
>[14425.531018] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14425.531020] RAX: ffffffffffffffda RBX: 000055d0ad482870 RCX: 00007f6f9ac700f7
>[14425.531022] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14425.531023] RBP: 00007ffd10a897b0 R08: 000055d0ad482870 R09: 00007f6f9af34d40
>[14425.531025] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14425.531026] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0acfcf050
>[14428.095782] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14428.369479] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14428.369484] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14428.369487] CPU: 4 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14428.369489] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14428.369491] Call Trace:
>[14428.369499]  dump_stack+0x85/0xbf
>[14428.369505]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14428.369514]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14428.369524]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14428.369531]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14428.369536]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14428.369544]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14428.369550]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14428.369554]  ? mutex_trylock+0xcd/0xe0
>[14428.369558]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14428.369562]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14428.369595]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14428.369619]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14428.369647]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14428.369677]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14428.369705]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14428.369722]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14428.369728]  ? __might_fault+0x3e/0x90
>[14428.369747]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14428.369759]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14428.369767]  drm_ioctl+0x2d5/0x370 [drm]
>[14428.369784]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14428.369803]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14428.369808]  do_vfs_ioctl+0xa5/0x6e0
>[14428.369813]  SyS_ioctl+0x74/0x80
>[14428.369818]  do_syscall_64+0x79/0x220
>[14428.369822]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14428.369825] RIP: 0033:0x7f6f9ac700f7
>[14428.369827] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14428.369830] RAX: ffffffffffffffda RBX: 000055d0ad3eb2b0 RCX: 00007f6f9ac700f7
>[14428.369831] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14428.369833] RBP: 00007ffd10a897b0 R08: 000055d0ad3eb2b0 R09: 0000000000000004
>[14428.369835] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14428.369837] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0acfcde00
>[14432.169438] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14432.169443] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14432.169446] CPU: 7 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14432.169448] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14432.169450] Call Trace:
>[14432.169457]  dump_stack+0x85/0xbf
>[14432.169461]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14432.169470]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14432.169478]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14432.169484]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14432.169488]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14432.169494]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14432.169498]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14432.169503]  ? mutex_trylock+0xcd/0xe0
>[14432.169506]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14432.169510]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14432.169546]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14432.169577]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14432.169601]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14432.169606]  ? bad_range+0x72/0x150
>[14432.169628]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14432.169649]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14432.169667]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14432.169673]  ? __might_fault+0x3e/0x90
>[14432.169690]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14432.169703]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14432.169711]  drm_ioctl+0x2d5/0x370 [drm]
>[14432.169727]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14432.169747]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14432.169752]  do_vfs_ioctl+0xa5/0x6e0
>[14432.169757]  SyS_ioctl+0x74/0x80
>[14432.169762]  do_syscall_64+0x79/0x220
>[14432.169765]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14432.169768] RIP: 0033:0x7f6f9ac700f7
>[14432.169770] RSP: 002b:00007ffd10a86968 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14432.169773] RAX: ffffffffffffffda RBX: 000055d0ad44ee90 RCX: 00007f6f9ac700f7
>[14432.169775] RDX: 00007ffd10a869b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14432.169777] RBP: 00007ffd10a869b0 R08: 000055d0ad44ee90 R09: 00007f6f9af34d00
>[14432.169779] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14432.169780] R13: 000000000000000c R14: 00007ffd10a86a48 R15: 000055d0ad44edc0
>[14432.256571] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14432.256577] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14432.256581] CPU: 1 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14432.256584] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14432.256586] Call Trace:
>[14432.256595]  dump_stack+0x85/0xbf
>[14432.256601]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14432.256614]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14432.256624]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14432.256632]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14432.256639]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14432.256648]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14432.256653]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14432.256660]  ? mutex_trylock+0xcd/0xe0
>[14432.256665]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14432.256671]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14432.256716]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14432.256751]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14432.256786]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14432.256793]  ? bad_range+0x72/0x150
>[14432.256826]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14432.256858]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14432.256886]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14432.256893]  ? __might_fault+0x3e/0x90
>[14432.256922]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14432.256940]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14432.256953]  drm_ioctl+0x2d5/0x370 [drm]
>[14432.256982]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14432.257012]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14432.257018]  do_vfs_ioctl+0xa5/0x6e0
>[14432.257025]  SyS_ioctl+0x74/0x80
>[14432.257031]  do_syscall_64+0x79/0x220
>[14432.257036]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14432.257040] RIP: 0033:0x7f6f9ac700f7
>[14432.257042] RSP: 002b:00007ffd10a86968 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14432.257046] RAX: ffffffffffffffda RBX: 000055d0ad44f0b0 RCX: 00007f6f9ac700f7
>[14432.257049] RDX: 00007ffd10a869b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14432.257051] RBP: 00007ffd10a869b0 R08: 000055d0ad44f0b0 R09: 0000000000000009
>[14432.257054] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14432.257056] R13: 000000000000000c R14: 00007ffd10a86a48 R15: 000055d0ad44efe0
>[14432.298370] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14432.298376] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14432.298379] CPU: 1 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14432.298381] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14432.298383] Call Trace:
>[14432.298390]  dump_stack+0x85/0xbf
>[14432.298395]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14432.298403]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14432.298410]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14432.298416]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14432.298420]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14432.298425]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14432.298429]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14432.298435]  ? mutex_trylock+0xcd/0xe0
>[14432.298439]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14432.298443]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14432.298490]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14432.298522]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14432.298547]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14432.298574]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14432.298605]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14432.298632]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14432.298640]  ? __might_fault+0x3e/0x90
>[14432.298667]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14432.298687]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14432.298700]  drm_ioctl+0x2d5/0x370 [drm]
>[14432.298718]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14432.298738]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14432.298744]  do_vfs_ioctl+0xa5/0x6e0
>[14432.298751]  SyS_ioctl+0x74/0x80
>[14432.298757]  do_syscall_64+0x79/0x220
>[14432.298762]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14432.298765] RIP: 0033:0x7f6f9ac700f7
>[14432.298768] RSP: 002b:00007ffd10a875d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14432.298772] RAX: ffffffffffffffda RBX: 000055d0ad4b8bc0 RCX: 00007f6f9ac700f7
>[14432.298775] RDX: 00007ffd10a87620 RSI: 00000000c0206440 RDI: 000000000000000c
>[14432.298777] RBP: 00007ffd10a87620 R08: 000055d0ad4b8bc0 R09: 0000000000000004
>[14432.298780] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14432.298782] R13: 000000000000000c R14: 00007ffd10a876b8 R15: 000055d0ad4ab000
>[14432.897160] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14432.897166] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14432.897170] CPU: 3 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14432.897173] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14432.897175] Call Trace:
>[14432.897182]  dump_stack+0x85/0xbf
>[14432.897188]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14432.897198]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14432.897208]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14432.897215]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14432.897221]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14432.897230]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14432.897234]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14432.897241]  ? mutex_trylock+0xcd/0xe0
>[14432.897245]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14432.897251]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14432.897288]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14432.897318]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14432.897347]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14432.897375]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14432.897403]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14432.897426]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14432.897433]  ? __might_fault+0x3e/0x90
>[14432.897458]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14432.897472]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14432.897483]  drm_ioctl+0x2d5/0x370 [drm]
>[14432.897507]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14432.897535]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14432.897542]  do_vfs_ioctl+0xa5/0x6e0
>[14432.897548]  SyS_ioctl+0x74/0x80
>[14432.897554]  do_syscall_64+0x79/0x220
>[14432.897558]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14432.897561] RIP: 0033:0x7f07d78580f7
>[14432.897564] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14432.897567] RAX: ffffffffffffffda RBX: 000000000329c860 RCX: 00007f07d78580f7
>[14432.897570] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14432.897572] RBP: 00007ffc892203c0 R08: 000000000329c860 R09: 0000000000000004
>[14432.897574] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14432.897576] R13: 000000000000000b R14: 00007ffc89220458 R15: 0000000002f70550
>[14433.934182] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14433.934186] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14433.934189] CPU: 4 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14433.934191] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14433.934192] Call Trace:
>[14433.934199]  dump_stack+0x85/0xbf
>[14433.934204]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14433.934211]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14433.934218]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14433.934222]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14433.934226]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14433.934232]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14433.934235]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14433.934240]  ? mutex_trylock+0xcd/0xe0
>[14433.934243]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14433.934246]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14433.934276]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14433.934300]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14433.934321]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14433.934342]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14433.934363]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14433.934380]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14433.934385]  ? __might_fault+0x3e/0x90
>[14433.934405]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14433.934418]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14433.934425]  drm_ioctl+0x2d5/0x370 [drm]
>[14433.934441]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14433.934481]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14433.934486]  do_vfs_ioctl+0xa5/0x6e0
>[14433.934491]  SyS_ioctl+0x74/0x80
>[14433.934495]  do_syscall_64+0x79/0x220
>[14433.934498]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14433.934511] RIP: 0033:0x7f07d78580f7
>[14433.934512] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14433.934515] RAX: ffffffffffffffda RBX: 000000000329ab80 RCX: 00007f07d78580f7
>[14433.934516] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14433.934518] RBP: 00007ffc892203c0 R08: 000000000329ab80 R09: 0000000000000004
>[14433.934520] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14433.934521] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000032eb580
>[14438.336244] swiotlb_tbl_map_single: 6 callbacks suppressed
>[14438.336248] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14438.336255] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14438.336259] CPU: 2 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14438.336262] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14438.336265] Call Trace:
>[14438.336273]  dump_stack+0x85/0xbf
>[14438.336279]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14438.336289]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14438.336300]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14438.336308]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14438.336314]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14438.336323]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14438.336329]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14438.336336]  ? mutex_trylock+0xcd/0xe0
>[14438.336340]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14438.336346]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14438.336381]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14438.336414]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14438.336448]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14438.336481]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14438.336513]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14438.336541]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14438.336548]  ? __might_fault+0x3e/0x90
>[14438.336577]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14438.336593]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14438.336605]  drm_ioctl+0x2d5/0x370 [drm]
>[14438.336634]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14438.336665]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14438.336672]  do_vfs_ioctl+0xa5/0x6e0
>[14438.336680]  SyS_ioctl+0x74/0x80
>[14438.336686]  do_syscall_64+0x79/0x220
>[14438.336691]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14438.336694] RIP: 0033:0x7f07d78580f7
>[14438.336697] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14438.336702] RAX: ffffffffffffffda RBX: 000000000345f260 RCX: 00007f07d78580f7
>[14438.336704] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14438.336707] RBP: 00007ffc892203c0 R08: 000000000345f260 R09: 0000000000000004
>[14438.336710] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14438.336713] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000032eb580
>[14438.363473] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14438.363480] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14438.363485] CPU: 5 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14438.363488] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14438.363491] Call Trace:
>[14438.363504]  dump_stack+0x85/0xbf
>[14438.363514]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14438.363530]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14438.363539]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14438.363545]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14438.363550]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14438.363557]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14438.363561]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14438.363567]  ? mutex_trylock+0xcd/0xe0
>[14438.363571]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14438.363576]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14438.363646]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14438.363700]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14438.363743]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14438.363752]  ? bad_range+0x72/0x150
>[14438.363794]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14438.363837]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14438.363868]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14438.363875]  ? __might_fault+0x3e/0x90
>[14438.363911]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14438.363941]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14438.363959]  drm_ioctl+0x2d5/0x370 [drm]
>[14438.363991]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14438.364025]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14438.364033]  do_vfs_ioctl+0xa5/0x6e0
>[14438.364040]  SyS_ioctl+0x74/0x80
>[14438.364048]  do_syscall_64+0x79/0x220
>[14438.364053]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14438.364057] RIP: 0033:0x7f6f9ac700f7
>[14438.364060] RSP: 002b:00007ffd10a86908 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14438.364064] RAX: ffffffffffffffda RBX: 000055d0acdf9930 RCX: 00007f6f9ac700f7
>[14438.364066] RDX: 00007ffd10a86950 RSI: 00000000c0206440 RDI: 000000000000000c
>[14438.364068] RBP: 00007ffd10a86950 R08: 000055d0acdf9930 R09: 0000000000000004
>[14438.364070] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14438.364072] R13: 000000000000000c R14: 00007ffd10a869e8 R15: 000055d0ad27a800
>[14438.505300] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14438.505305] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14438.505307] CPU: 4 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14438.505309] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14438.505311] Call Trace:
>[14438.505317]  dump_stack+0x85/0xbf
>[14438.505321]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14438.505329]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14438.505335]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14438.505340]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14438.505344]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14438.505349]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14438.505353]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14438.505358]  ? mutex_trylock+0xcd/0xe0
>[14438.505361]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14438.505364]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14438.505393]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14438.505415]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14438.505451]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14438.505456]  ? bad_range+0x72/0x150
>[14438.505476]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14438.505495]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14438.505524]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14438.505529]  ? __might_fault+0x3e/0x90
>[14438.505547]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14438.505558]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14438.505564]  drm_ioctl+0x2d5/0x370 [drm]
>[14438.505581]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14438.505599]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14438.505605]  do_vfs_ioctl+0xa5/0x6e0
>[14438.505609]  SyS_ioctl+0x74/0x80
>[14438.505613]  do_syscall_64+0x79/0x220
>[14438.505617]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14438.505619] RIP: 0033:0x7f6f9ac700f7
>[14438.505621] RSP: 002b:00007ffd10a86908 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14438.505624] RAX: ffffffffffffffda RBX: 000055d0ac3f8140 RCX: 00007f6f9ac700f7
>[14438.505626] RDX: 00007ffd10a86950 RSI: 00000000c0206440 RDI: 000000000000000c
>[14438.505628] RBP: 00007ffd10a86950 R08: 000055d0ac3f8140 R09: 0000000000000004
>[14438.505629] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14438.505631] R13: 000000000000000c R14: 00007ffd10a869e8 R15: 000055d0ad25fc00
>[14438.528020] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14438.528026] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14438.528031] CPU: 5 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14438.528034] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14438.528036] Call Trace:
>[14438.528045]  dump_stack+0x85/0xbf
>[14438.528051]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14438.528062]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14438.528073]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14438.528081]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14438.528088]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14438.528097]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14438.528103]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14438.528109]  ? mutex_trylock+0xcd/0xe0
>[14438.528114]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14438.528120]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14438.528159]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14438.528191]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14438.528223]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14438.528253]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14438.528283]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14438.528308]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14438.528315]  ? __might_fault+0x3e/0x90
>[14438.528342]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14438.528357]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14438.528369]  drm_ioctl+0x2d5/0x370 [drm]
>[14438.528395]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14438.528423]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14438.528431]  do_vfs_ioctl+0xa5/0x6e0
>[14438.528438]  SyS_ioctl+0x74/0x80
>[14438.528443]  do_syscall_64+0x79/0x220
>[14438.528448]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14438.528452] RIP: 0033:0x7f6f9ac700f7
>[14438.528454] RSP: 002b:00007ffd10a875f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14438.528458] RAX: ffffffffffffffda RBX: 000055d0ac38c460 RCX: 00007f6f9ac700f7
>[14438.528460] RDX: 00007ffd10a87640 RSI: 00000000c0206440 RDI: 000000000000000c
>[14438.528463] RBP: 00007ffd10a87640 R08: 000055d0ac38c460 R09: 00007f6f9af34c50
>[14438.528465] R10: 0000000000000006 R11: 0000000000000246 R12: 00000000c0206440
>[14438.528467] R13: 000000000000000c R14: 00007ffd10a876d8 R15: 000055d0ad388870
>[14438.643187] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14438.643195] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14438.643200] CPU: 4 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14438.643204] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14438.643207] Call Trace:
>[14438.643218]  dump_stack+0x85/0xbf
>[14438.643226]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14438.643238]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14438.643250]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14438.643258]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14438.643264]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14438.643274]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14438.643280]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14438.643288]  ? mutex_trylock+0xcd/0xe0
>[14438.643293]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14438.643300]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14438.643366]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14438.643406]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14438.643442]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14438.643477]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14438.643509]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14438.643538]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14438.643546]  ? __might_fault+0x3e/0x90
>[14438.643576]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14438.643591]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14438.643605]  drm_ioctl+0x2d5/0x370 [drm]
>[14438.643633]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14438.643666]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14438.643674]  do_vfs_ioctl+0xa5/0x6e0
>[14438.643681]  SyS_ioctl+0x74/0x80
>[14438.643688]  do_syscall_64+0x79/0x220
>[14438.643694]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14438.643698] RIP: 0033:0x7f07d78580f7
>[14438.643701] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14438.643705] RAX: ffffffffffffffda RBX: 000000000335c3e0 RCX: 00007f07d78580f7
>[14438.643708] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14438.643711] RBP: 00007ffc892203c0 R08: 000000000335c3e0 R09: 0000000000000004
>[14438.643714] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14438.643716] R13: 000000000000000b R14: 00007ffc89220458 R15: 000000000346d960
>[14444.095788] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14444.415069] swiotlb_tbl_map_single: 2 callbacks suppressed
>[14444.415071] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14444.415076] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14444.415079] CPU: 7 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14444.415081] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14444.415084] Call Trace:
>[14444.415092]  dump_stack+0x85/0xbf
>[14444.415097]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14444.415107]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14444.415115]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14444.415122]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14444.415127]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14444.415134]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14444.415138]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14444.415144]  ? mutex_trylock+0xcd/0xe0
>[14444.415148]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14444.415153]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14444.415194]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14444.415225]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14444.415254]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14444.415284]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14444.415312]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14444.415338]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14444.415344]  ? __might_fault+0x3e/0x90
>[14444.415368]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14444.415383]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14444.415393]  drm_ioctl+0x2d5/0x370 [drm]
>[14444.415419]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14444.415448]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14444.415455]  do_vfs_ioctl+0xa5/0x6e0
>[14444.415462]  SyS_ioctl+0x74/0x80
>[14444.415467]  do_syscall_64+0x79/0x220
>[14444.415472]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14444.415475] RIP: 0033:0x7f6f9ac700f7
>[14444.415478] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14444.415481] RAX: ffffffffffffffda RBX: 000055d0ac2b8c00 RCX: 00007f6f9ac700f7
>[14444.415484] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14444.415486] RBP: 00007ffd10a897b0 R08: 000055d0ac2b8c00 R09: 000000000000000b
>[14444.415489] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14444.415491] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ac418880
>[14445.374712] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14445.374717] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14445.374720] CPU: 7 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14445.374722] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14445.374723] Call Trace:
>[14445.374730]  dump_stack+0x85/0xbf
>[14445.374735]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14445.374742]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14445.374749]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14445.374754]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14445.374758]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14445.374764]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14445.374768]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14445.374773]  ? mutex_trylock+0xcd/0xe0
>[14445.374776]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14445.374780]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14445.374813]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14445.374837]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14445.374859]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14445.374881]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14445.374906]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14445.374934]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14445.374941]  ? __might_fault+0x3e/0x90
>[14445.374968]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14445.374982]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14445.374994]  drm_ioctl+0x2d5/0x370 [drm]
>[14445.375020]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14445.375051]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14445.375057]  do_vfs_ioctl+0xa5/0x6e0
>[14445.375065]  SyS_ioctl+0x74/0x80
>[14445.375071]  do_syscall_64+0x79/0x220
>[14445.375076]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14445.375080] RIP: 0033:0x7f6f9ac700f7
>[14445.375083] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14445.375087] RAX: ffffffffffffffda RBX: 000055d0ac38e870 RCX: 00007f6f9ac700f7
>[14445.375090] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14445.375093] RBP: 00007ffd10a897b0 R08: 000055d0ac38e870 R09: 0000000000000004
>[14445.375096] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14445.375099] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ac39deb0
>[14447.396989] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14447.396996] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14447.397001] CPU: 1 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14447.397004] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14447.397006] Call Trace:
>[14447.397016]  dump_stack+0x85/0xbf
>[14447.397021]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14447.397046]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14447.397069]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14447.397077]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14447.397083]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14447.397093]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14447.397098]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14447.397105]  ? mutex_trylock+0xcd/0xe0
>[14447.397110]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14447.397115]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14447.397156]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14447.397198]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14447.397242]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14447.397281]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14447.397315]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14447.397344]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14447.397351]  ? __might_fault+0x3e/0x90
>[14447.397380]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14447.397401]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14447.397416]  drm_ioctl+0x2d5/0x370 [drm]
>[14447.397450]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14447.397481]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14447.397490]  do_vfs_ioctl+0xa5/0x6e0
>[14447.397497]  SyS_ioctl+0x74/0x80
>[14447.397503]  do_syscall_64+0x79/0x220
>[14447.397508]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14447.397512] RIP: 0033:0x7f6f9ac700f7
>[14447.397514] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14447.397517] RAX: ffffffffffffffda RBX: 000055d0ac2c86f0 RCX: 00007f6f9ac700f7
>[14447.397519] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14447.397522] RBP: 00007ffd10a897b0 R08: 000055d0ac2c86f0 R09: 000000000000000b
>[14447.397524] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14447.397527] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ac36bda0
>[14448.519667] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14448.519673] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14448.519677] CPU: 7 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14448.519680] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14448.519682] Call Trace:
>[14448.519690]  dump_stack+0x85/0xbf
>[14448.519696]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14448.519715]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14448.519724]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14448.519731]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14448.519736]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14448.519744]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14448.519748]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14448.519754]  ? mutex_trylock+0xcd/0xe0
>[14448.519758]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14448.519763]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14448.519798]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14448.519829]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14448.519858]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14448.519887]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14448.519916]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14448.519940]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14448.519947]  ? __might_fault+0x3e/0x90
>[14448.519971]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14448.519987]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14448.519997]  drm_ioctl+0x2d5/0x370 [drm]
>[14448.520022]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14448.520048]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14448.520054]  do_vfs_ioctl+0xa5/0x6e0
>[14448.520061]  SyS_ioctl+0x74/0x80
>[14448.520066]  do_syscall_64+0x79/0x220
>[14448.520071]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14448.520074] RIP: 0033:0x7f6f9ac700f7
>[14448.520077] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14448.520080] RAX: ffffffffffffffda RBX: 000055d0ac2c86f0 RCX: 00007f6f9ac700f7
>[14448.520082] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14448.520084] RBP: 00007ffd10a897b0 R08: 000055d0ac2c86f0 R09: 0000000000000004
>[14448.520087] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14448.520089] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ac2d9ed0
>[14456.427846] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14456.427852] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14456.427856] CPU: 2 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14456.427858] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14456.427861] Call Trace:
>[14456.427874]  dump_stack+0x85/0xbf
>[14456.427891]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14456.427928]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14456.427947]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14456.427955]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14456.427961]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14456.427972]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14456.427979]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14456.427990]  ? mutex_trylock+0xcd/0xe0
>[14456.427998]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14456.428005]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14456.428116]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14456.428172]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14456.428201]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14456.428224]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14456.428245]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14456.428263]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14456.428269]  ? __might_fault+0x3e/0x90
>[14456.428289]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14456.428305]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14456.428317]  drm_ioctl+0x2d5/0x370 [drm]
>[14456.428340]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14456.428368]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14456.428384]  do_vfs_ioctl+0xa5/0x6e0
>[14456.428391]  SyS_ioctl+0x74/0x80
>[14456.428397]  do_syscall_64+0x79/0x220
>[14456.428403]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14456.428406] RIP: 0033:0x7f6f9ac700f7
>[14456.428409] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14456.428413] RAX: ffffffffffffffda RBX: 000055d0ad251400 RCX: 00007f6f9ac700f7
>[14456.428415] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14456.428417] RBP: 00007ffd10a897b0 R08: 000055d0ad251400 R09: 000000000000000b
>[14456.428419] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14456.428420] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ac911e90
>[14458.818712] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14458.818717] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14458.818720] CPU: 6 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14458.818722] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14458.818724] Call Trace:
>[14458.818730]  dump_stack+0x85/0xbf
>[14458.818735]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14458.818743]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14458.818750]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14458.818755]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14458.818759]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14458.818765]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14458.818768]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14458.818773]  ? mutex_trylock+0xcd/0xe0
>[14458.818786]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14458.818789]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14458.818834]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14458.818858]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14458.818881]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14458.818912]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14458.818932]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14458.818960]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14458.818966]  ? __might_fault+0x3e/0x90
>[14458.818983]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14458.818996]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14458.819003]  drm_ioctl+0x2d5/0x370 [drm]
>[14458.819019]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14458.819049]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14458.819064]  do_vfs_ioctl+0xa5/0x6e0
>[14458.819069]  SyS_ioctl+0x74/0x80
>[14458.819074]  do_syscall_64+0x79/0x220
>[14458.819078]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14458.819081] RIP: 0033:0x7f6f9ac700f7
>[14458.819084] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14458.819087] RAX: ffffffffffffffda RBX: 000055d0ad26d5b0 RCX: 00007f6f9ac700f7
>[14458.819089] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14458.819091] RBP: 00007ffd10a897b0 R08: 000055d0ad26d5b0 R09: 0000000000000004
>[14458.819104] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14458.819106] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad4b32d0
>[14458.895725] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14458.895733] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14458.895738] CPU: 7 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14458.895741] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14458.895744] Call Trace:
>[14458.895759]  dump_stack+0x85/0xbf
>[14458.895768]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14458.895787]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14458.895803]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14458.895815]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14458.895822]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14458.895831]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14458.895836]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14458.895844]  ? mutex_trylock+0xcd/0xe0
>[14458.895854]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14458.895870]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14458.895925]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14458.895962]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14458.895998]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14458.896035]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14458.896078]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14458.896113]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14458.896121]  ? __might_fault+0x3e/0x90
>[14458.896155]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14458.896180]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14458.896195]  drm_ioctl+0x2d5/0x370 [drm]
>[14458.896222]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14458.896271]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14458.896279]  do_vfs_ioctl+0xa5/0x6e0
>[14458.896286]  SyS_ioctl+0x74/0x80
>[14458.896292]  do_syscall_64+0x79/0x220
>[14458.896297]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14458.896302] RIP: 0033:0x7f6f9ac700f7
>[14458.896304] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14458.896309] RAX: ffffffffffffffda RBX: 000055d0ad26d5b0 RCX: 00007f6f9ac700f7
>[14458.896311] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14458.896314] RBP: 00007ffd10a897b0 R08: 000055d0ad26d5b0 R09: 0000000000000004
>[14458.896316] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14458.896319] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad4b32d0
>[14460.095821] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14465.607226] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14465.607230] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14465.607233] CPU: 2 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14465.607235] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14465.607237] Call Trace:
>[14465.607243]  dump_stack+0x85/0xbf
>[14465.607247]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14465.607254]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14465.607261]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14465.607266]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14465.607270]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14465.607275]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14465.607279]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14465.607283]  ? mutex_trylock+0xcd/0xe0
>[14465.607287]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14465.607291]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14465.607320]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14465.607342]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14465.607364]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14465.607386]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14465.607407]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14465.607432]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14465.607439]  ? __might_fault+0x3e/0x90
>[14465.607465]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14465.607479]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14465.607491]  drm_ioctl+0x2d5/0x370 [drm]
>[14465.607515]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14465.607535]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14465.607540]  do_vfs_ioctl+0xa5/0x6e0
>[14465.607545]  SyS_ioctl+0x74/0x80
>[14465.607549]  do_syscall_64+0x79/0x220
>[14465.607553]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14465.607556] RIP: 0033:0x7f6f9ac700f7
>[14465.607558] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14465.607561] RAX: ffffffffffffffda RBX: 000055d0ad44ee30 RCX: 00007f6f9ac700f7
>[14465.607563] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14465.607565] RBP: 00007ffd10a897b0 R08: 000055d0ad44ee30 R09: 0000000000000005
>[14465.607567] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14465.607568] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad1a1520
>[14472.112483] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14472.112489] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14472.112492] CPU: 5 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14472.112494] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14472.112497] Call Trace:
>[14472.112504]  dump_stack+0x85/0xbf
>[14472.112510]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14472.112520]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14472.112529]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14472.112536]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14472.112541]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14472.112549]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14472.112554]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14472.112561]  ? mutex_trylock+0xcd/0xe0
>[14472.112565]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14472.112570]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14472.112629]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14472.112661]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14472.112690]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14472.112719]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14472.112748]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14472.112774]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14472.112781]  ? __might_fault+0x3e/0x90
>[14472.112819]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14472.112834]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14472.112846]  drm_ioctl+0x2d5/0x370 [drm]
>[14472.112880]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14472.112910]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14472.112917]  do_vfs_ioctl+0xa5/0x6e0
>[14472.112923]  SyS_ioctl+0x74/0x80
>[14472.112929]  do_syscall_64+0x79/0x220
>[14472.112933]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14472.112936] RIP: 0033:0x7f6f9ac700f7
>[14472.112939] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14472.112942] RAX: ffffffffffffffda RBX: 000055d0ac412800 RCX: 00007f6f9ac700f7
>[14472.112944] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14472.112947] RBP: 00007ffd10a897b0 R08: 000055d0ac412800 R09: 00007f6f9af34ca0
>[14472.112949] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14472.112951] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad25f300
>[14476.090848] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14477.608695] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14477.608700] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14477.608703] CPU: 4 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14477.608705] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14477.608707] Call Trace:
>[14477.608714]  dump_stack+0x85/0xbf
>[14477.608719]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14477.608727]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14477.608733]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14477.608738]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14477.608742]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14477.608749]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14477.608752]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14477.608757]  ? mutex_trylock+0xcd/0xe0
>[14477.608760]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14477.608764]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14477.608800]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14477.608823]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14477.608844]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14477.608867]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14477.608889]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14477.608909]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14477.608914]  ? __might_fault+0x3e/0x90
>[14477.608935]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14477.608947]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14477.608955]  drm_ioctl+0x2d5/0x370 [drm]
>[14477.608974]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14477.608995]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14477.609000]  do_vfs_ioctl+0xa5/0x6e0
>[14477.609005]  SyS_ioctl+0x74/0x80
>[14477.609010]  do_syscall_64+0x79/0x220
>[14477.609014]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14477.609017] RIP: 0033:0x7f6f9ac700f7
>[14477.609019] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14477.609022] RAX: ffffffffffffffda RBX: 000055d0ac2f0890 RCX: 00007f6f9ac700f7
>[14477.609024] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14477.609025] RBP: 00007ffd10a897b0 R08: 000055d0ac2f0890 R09: 00007f6f9af34ca0
>[14477.609027] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14477.609029] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad246a40
>[14481.476628] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14481.476641] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14481.476644] CPU: 7 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14481.476646] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14481.476648] Call Trace:
>[14481.476665]  dump_stack+0x85/0xbf
>[14481.476670]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14481.476677]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14481.476684]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14481.476689]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14481.476693]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14481.476699]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14481.476702]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14481.476707]  ? mutex_trylock+0xcd/0xe0
>[14481.476721]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14481.476725]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14481.476773]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14481.476813]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14481.476836]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14481.476863]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14481.476899]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14481.476922]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14481.476928]  ? __might_fault+0x3e/0x90
>[14481.476945]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14481.476958]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14481.476965]  drm_ioctl+0x2d5/0x370 [drm]
>[14481.476982]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14481.477000]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14481.477005]  do_vfs_ioctl+0xa5/0x6e0
>[14481.477010]  SyS_ioctl+0x74/0x80
>[14481.477014]  do_syscall_64+0x79/0x220
>[14481.477017]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14481.477020] RIP: 0033:0x7f6f9ac700f7
>[14481.477022] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14481.477024] RAX: ffffffffffffffda RBX: 000055d0a84ea2f0 RCX: 00007f6f9ac700f7
>[14481.477026] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14481.477027] RBP: 00007ffd10a897b0 R08: 000055d0a84ea2f0 R09: 00007f6f9af34cb0
>[14481.477030] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14481.477032] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0abd1baf0
>[14481.662862] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14481.662880] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14481.662887] CPU: 5 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14481.662891] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14481.662894] Call Trace:
>[14481.662911]  dump_stack+0x85/0xbf
>[14481.662931]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14481.662957]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14481.662970]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14481.662979]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14481.662993]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14481.663005]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14481.663013]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14481.663023]  ? mutex_trylock+0xcd/0xe0
>[14481.663034]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14481.663042]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14481.663184]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14481.663311]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14481.663413]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14481.663486]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14481.663530]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14481.663569]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14481.663580]  ? __might_fault+0x3e/0x90
>[14481.663613]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14481.663637]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14481.663652]  drm_ioctl+0x2d5/0x370 [drm]
>[14481.663681]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14481.663715]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14481.663724]  do_vfs_ioctl+0xa5/0x6e0
>[14481.663731]  SyS_ioctl+0x74/0x80
>[14481.663738]  do_syscall_64+0x79/0x220
>[14481.663743]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14481.663748] RIP: 0033:0x7f6f9ac700f7
>[14481.663750] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14481.663755] RAX: ffffffffffffffda RBX: 000055d0ad452d10 RCX: 00007f6f9ac700f7
>[14481.663757] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14481.663760] RBP: 00007ffd10a897b0 R08: 000055d0ad452d10 R09: 00007f6f9af34cb0
>[14481.663762] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14481.663764] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ac63c6f0
>[14481.682253] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14481.682258] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14481.682261] CPU: 6 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14481.682262] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14481.682264] Call Trace:
>[14481.682270]  dump_stack+0x85/0xbf
>[14481.682275]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14481.682283]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14481.682289]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14481.682294]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14481.682298]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14481.682307]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14481.682311]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14481.682317]  ? mutex_trylock+0xcd/0xe0
>[14481.682322]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14481.682327]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14481.682367]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14481.682395]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14481.682421]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14481.682426]  ? trace_hardirqs_on_thunk+0x1a/0x1c
>[14481.682446]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14481.682471]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14481.682494]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14481.682500]  ? __might_fault+0x3e/0x90
>[14481.682519]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14481.682532]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14481.682539]  drm_ioctl+0x2d5/0x370 [drm]
>[14481.682555]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14481.682573]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14481.682578]  do_vfs_ioctl+0xa5/0x6e0
>[14481.682582]  SyS_ioctl+0x74/0x80
>[14481.682586]  do_syscall_64+0x79/0x220
>[14481.682589]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14481.682591] RIP: 0033:0x7f6f9ac700f7
>[14481.682593] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14481.682596] RAX: ffffffffffffffda RBX: 000055d0a61689f0 RCX: 00007f6f9ac700f7
>[14481.682597] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14481.682599] RBP: 00007ffd10a897b0 R08: 000055d0a61689f0 R09: 00007f6f9af34cb0
>[14481.682601] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14481.682602] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0aaa76b50
>[14485.269827] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14485.269833] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14485.269838] CPU: 5 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14485.269840] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14485.269843] Call Trace:
>[14485.269852]  dump_stack+0x85/0xbf
>[14485.269859]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14485.269868]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14485.269878]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14485.269885]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14485.269890]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14485.269898]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14485.269903]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14485.269909]  ? mutex_trylock+0xcd/0xe0
>[14485.269912]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14485.269917]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14485.269953]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14485.269985]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14485.270014]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14485.270044]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14485.270075]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14485.270099]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14485.270106]  ? __might_fault+0x3e/0x90
>[14485.270130]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14485.270144]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14485.270155]  drm_ioctl+0x2d5/0x370 [drm]
>[14485.270180]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14485.270209]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14485.270215]  do_vfs_ioctl+0xa5/0x6e0
>[14485.270221]  SyS_ioctl+0x74/0x80
>[14485.270227]  do_syscall_64+0x79/0x220
>[14485.270231]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14485.270235] RIP: 0033:0x7f6f9ac700f7
>[14485.270237] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14485.270240] RAX: ffffffffffffffda RBX: 000055d0ac412c50 RCX: 00007f6f9ac700f7
>[14485.270243] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14485.270245] RBP: 00007ffd10a897b0 R08: 000055d0ac412c50 R09: 0000000000000004
>[14485.270247] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14485.270249] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ac2aa830
>[14486.394299] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14486.394303] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14486.394305] CPU: 2 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14486.394307] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14486.394309] Call Trace:
>[14486.394315]  dump_stack+0x85/0xbf
>[14486.394319]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14486.394327]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14486.394333]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14486.394338]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14486.394342]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14486.394347]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14486.394351]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14486.394356]  ? mutex_trylock+0xcd/0xe0
>[14486.394358]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14486.394362]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14486.394392]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14486.394417]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14486.394445]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14486.394472]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14486.394498]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14486.394522]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14486.394529]  ? __might_fault+0x3e/0x90
>[14486.394554]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14486.394569]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14486.394577]  drm_ioctl+0x2d5/0x370 [drm]
>[14486.394594]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14486.394615]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14486.394622]  do_vfs_ioctl+0xa5/0x6e0
>[14486.394629]  SyS_ioctl+0x74/0x80
>[14486.394634]  do_syscall_64+0x79/0x220
>[14486.394639]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14486.394642] RIP: 0033:0x7f6f9ac700f7
>[14486.394645] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14486.394648] RAX: ffffffffffffffda RBX: 000055d0ac2c6fd0 RCX: 00007f6f9ac700f7
>[14486.394651] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14486.394653] RBP: 00007ffd10a897b0 R08: 000055d0ac2c6fd0 R09: 0000000000000004
>[14486.394656] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14486.394658] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad1c38e0
>[14489.019230] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14489.019236] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14489.019241] CPU: 6 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14489.019244] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14489.019246] Call Trace:
>[14489.019256]  dump_stack+0x85/0xbf
>[14489.019263]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14489.019274]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14489.019285]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14489.019293]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14489.019300]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14489.019310]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14489.019315]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14489.019322]  ? mutex_trylock+0xcd/0xe0
>[14489.019327]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14489.019334]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14489.019370]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14489.019402]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14489.019435]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14489.019467]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14489.019497]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14489.019525]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14489.019532]  ? __might_fault+0x3e/0x90
>[14489.019560]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14489.019576]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14489.019587]  drm_ioctl+0x2d5/0x370 [drm]
>[14489.019614]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14489.019644]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14489.019651]  do_vfs_ioctl+0xa5/0x6e0
>[14489.019660]  SyS_ioctl+0x74/0x80
>[14489.019666]  do_syscall_64+0x79/0x220
>[14489.019671]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14489.019675] RIP: 0033:0x7f6f9ac700f7
>[14489.019678] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14489.019682] RAX: ffffffffffffffda RBX: 000055d0acb31bd0 RCX: 00007f6f9ac700f7
>[14489.019685] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14489.019688] RBP: 00007ffd10a897b0 R08: 000055d0acb31bd0 R09: 0000000000000004
>[14489.019691] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14489.019693] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad24d820
>[14491.033815] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14491.033820] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14491.033824] CPU: 3 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14491.033827] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14491.033830] Call Trace:
>[14491.033838]  dump_stack+0x85/0xbf
>[14491.033843]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14491.033853]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14491.033863]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14491.033871]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14491.033877]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14491.033886]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14491.033891]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14491.033898]  ? mutex_trylock+0xcd/0xe0
>[14491.033902]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14491.033908]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14491.033946]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14491.033979]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14491.034012]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14491.034045]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14491.034076]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14491.034102]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14491.034109]  ? __might_fault+0x3e/0x90
>[14491.034137]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14491.034153]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14491.034165]  drm_ioctl+0x2d5/0x370 [drm]
>[14491.034190]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14491.034221]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14491.034227]  do_vfs_ioctl+0xa5/0x6e0
>[14491.034234]  SyS_ioctl+0x74/0x80
>[14491.034240]  do_syscall_64+0x79/0x220
>[14491.034245]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14491.034248] RIP: 0033:0x7f6f9ac700f7
>[14491.034251] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14491.034255] RAX: ffffffffffffffda RBX: 000055d0ac2d6520 RCX: 00007f6f9ac700f7
>[14491.034258] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14491.034260] RBP: 00007ffd10a897b0 R08: 000055d0ac2d6520 R09: 0000000000000004
>[14491.034263] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14491.034266] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ac412920
>[14492.094871] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14493.983119] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14493.983128] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14493.983133] CPU: 7 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14493.983136] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14493.983138] Call Trace:
>[14493.983150]  dump_stack+0x85/0xbf
>[14493.983158]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14493.983171]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14493.983181]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14493.983189]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14493.983196]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14493.983205]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14493.983210]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14493.983217]  ? mutex_trylock+0xcd/0xe0
>[14493.983222]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14493.983228]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14493.983278]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14493.983316]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14493.983355]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14493.983398]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14493.983439]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14493.983475]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14493.983484]  ? __might_fault+0x3e/0x90
>[14493.983518]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14493.983544]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14493.983561]  drm_ioctl+0x2d5/0x370 [drm]
>[14493.983590]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14493.983622]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14493.983631]  do_vfs_ioctl+0xa5/0x6e0
>[14493.983637]  SyS_ioctl+0x74/0x80
>[14493.983646]  do_syscall_64+0x79/0x220
>[14493.983652]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14493.983656] RIP: 0033:0x7f6f9ac700f7
>[14493.983659] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14493.983663] RAX: ffffffffffffffda RBX: 000055d0ac2cac00 RCX: 00007f6f9ac700f7
>[14493.983666] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14493.983668] RBP: 00007ffd10a897b0 R08: 000055d0ac2cac00 R09: 000000000000000b
>[14493.983670] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14493.983673] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ac412920
>[14495.281131] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14495.281137] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14495.281141] CPU: 2 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14495.281144] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14495.281146] Call Trace:
>[14495.281155]  dump_stack+0x85/0xbf
>[14495.281161]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14495.281171]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14495.281182]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14495.281190]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14495.281206]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14495.281225]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14495.281231]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14495.281237]  ? mutex_trylock+0xcd/0xe0
>[14495.281242]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14495.281249]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14495.281286]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14495.281328]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14495.281362]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14495.281396]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14495.281428]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14495.281454]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14495.281461]  ? __might_fault+0x3e/0x90
>[14495.281490]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14495.281507]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14495.281518]  drm_ioctl+0x2d5/0x370 [drm]
>[14495.281547]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14495.281579]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14495.281586]  do_vfs_ioctl+0xa5/0x6e0
>[14495.281594]  SyS_ioctl+0x74/0x80
>[14495.281600]  do_syscall_64+0x79/0x220
>[14495.281605]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14495.281609] RIP: 0033:0x7f6f9ac700f7
>[14495.281612] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14495.281616] RAX: ffffffffffffffda RBX: 000055d0ad3fc050 RCX: 00007f6f9ac700f7
>[14495.281619] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14495.281622] RBP: 00007ffd10a897b0 R08: 000055d0ad3fc050 R09: 00007f6f9af34ca0
>[14495.281625] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14495.281627] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ac40ab00
>[14496.281278] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14496.281286] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14496.281290] CPU: 1 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14496.281293] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14496.281295] Call Trace:
>[14496.281303]  dump_stack+0x85/0xbf
>[14496.281310]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14496.281320]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14496.281332]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14496.281341]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14496.281348]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14496.281358]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14496.281364]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14496.281371]  ? mutex_trylock+0xcd/0xe0
>[14496.281376]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14496.281382]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14496.281419]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14496.281449]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14496.281482]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14496.281531]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14496.281564]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14496.281592]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14496.281599]  ? __might_fault+0x3e/0x90
>[14496.281628]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14496.281644]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14496.281657]  drm_ioctl+0x2d5/0x370 [drm]
>[14496.281684]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14496.281711]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14496.281719]  do_vfs_ioctl+0xa5/0x6e0
>[14496.281726]  SyS_ioctl+0x74/0x80
>[14496.281733]  do_syscall_64+0x79/0x220
>[14496.281738]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14496.281741] RIP: 0033:0x7f6f9ac700f7
>[14496.281744] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14496.281749] RAX: ffffffffffffffda RBX: 000055d0ac398990 RCX: 00007f6f9ac700f7
>[14496.281751] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14496.281754] RBP: 00007ffd10a897b0 R08: 000055d0ac398990 R09: 0000000000000004
>[14496.281757] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14496.281759] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ac3f5800
>[14497.419738] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14497.419742] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14497.419745] CPU: 4 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14497.419747] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14497.419749] Call Trace:
>[14497.419755]  dump_stack+0x85/0xbf
>[14497.419759]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14497.419768]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14497.419775]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14497.419779]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14497.419784]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14497.419789]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14497.419793]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14497.419798]  ? mutex_trylock+0xcd/0xe0
>[14497.419801]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14497.419805]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14497.419837]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14497.419861]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14497.419882]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14497.419905]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14497.419925]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14497.419943]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14497.419949]  ? __might_fault+0x3e/0x90
>[14497.419966]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14497.419978]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14497.419988]  drm_ioctl+0x2d5/0x370 [drm]
>[14497.420013]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14497.420038]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14497.420044]  do_vfs_ioctl+0xa5/0x6e0
>[14497.420050]  SyS_ioctl+0x74/0x80
>[14497.420056]  do_syscall_64+0x79/0x220
>[14497.420060]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14497.420064] RIP: 0033:0x7f6f9ac700f7
>[14497.420066] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14497.420070] RAX: ffffffffffffffda RBX: 000055d0ac037220 RCX: 00007f6f9ac700f7
>[14497.420073] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14497.420075] RBP: 00007ffd10a897b0 R08: 000055d0ac037220 R09: 0000000000000004
>[14497.420077] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14497.420079] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ac38eec0
>[14498.004186] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14498.004190] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14498.004193] CPU: 0 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14498.004195] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14498.004196] Call Trace:
>[14498.004202]  dump_stack+0x85/0xbf
>[14498.004206]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14498.004213]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14498.004220]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14498.004224]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14498.004228]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14498.004244]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14498.004247]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14498.004251]  ? mutex_trylock+0xcd/0xe0
>[14498.004254]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14498.004258]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14498.004288]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14498.004309]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14498.004340]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14498.004362]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14498.004381]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14498.004398]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14498.004403]  ? __might_fault+0x3e/0x90
>[14498.004420]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14498.004431]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14498.004437]  drm_ioctl+0x2d5/0x370 [drm]
>[14498.004453]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14498.004473]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14498.004477]  do_vfs_ioctl+0xa5/0x6e0
>[14498.004482]  SyS_ioctl+0x74/0x80
>[14498.004486]  do_syscall_64+0x79/0x220
>[14498.004489]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14498.004492] RIP: 0033:0x7f6f9ac700f7
>[14498.004494] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14498.004496] RAX: ffffffffffffffda RBX: 000055d0ac36e200 RCX: 00007f6f9ac700f7
>[14498.004498] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14498.004499] RBP: 00007ffd10a897b0 R08: 000055d0ac36e200 R09: 0000000000000004
>[14498.004501] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14498.004502] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ac38eec0
>[14498.704961] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14498.704965] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14498.704968] CPU: 2 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14498.704970] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14498.704971] Call Trace:
>[14498.704978]  dump_stack+0x85/0xbf
>[14498.704982]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14498.704989]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14498.704995]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14498.705000]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14498.705004]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14498.705009]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14498.705013]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14498.705017]  ? mutex_trylock+0xcd/0xe0
>[14498.705020]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14498.705024]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14498.705053]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14498.705076]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14498.705095]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14498.705126]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14498.705147]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14498.705165]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14498.705170]  ? __might_fault+0x3e/0x90
>[14498.705188]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14498.705200]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14498.705209]  drm_ioctl+0x2d5/0x370 [drm]
>[14498.705225]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14498.705244]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14498.705250]  do_vfs_ioctl+0xa5/0x6e0
>[14498.705254]  SyS_ioctl+0x74/0x80
>[14498.705259]  do_syscall_64+0x79/0x220
>[14498.705272]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14498.705275] RIP: 0033:0x7f6f9ac700f7
>[14498.705277] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14498.705280] RAX: ffffffffffffffda RBX: 000055d0ad258f30 RCX: 00007f6f9ac700f7
>[14498.705281] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14498.705283] RBP: 00007ffd10a897b0 R08: 000055d0ad258f30 R09: 00007f6f9af34c50
>[14498.705285] R10: 0000000000000006 R11: 0000000000000246 R12: 00000000c0206440
>[14498.705286] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ac35c780
>[14499.896296] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14499.896301] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14499.896304] CPU: 5 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14499.896306] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14499.896308] Call Trace:
>[14499.896315]  dump_stack+0x85/0xbf
>[14499.896320]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14499.896328]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14499.896335]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14499.896340]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14499.896344]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14499.896350]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14499.896354]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14499.896359]  ? mutex_trylock+0xcd/0xe0
>[14499.896363]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14499.896367]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14499.896400]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14499.896424]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14499.896446]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14499.896468]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14499.896489]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14499.896508]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14499.896513]  ? __might_fault+0x3e/0x90
>[14499.896532]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14499.896544]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14499.896552]  drm_ioctl+0x2d5/0x370 [drm]
>[14499.896569]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14499.896589]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14499.896595]  do_vfs_ioctl+0xa5/0x6e0
>[14499.896600]  SyS_ioctl+0x74/0x80
>[14499.896605]  do_syscall_64+0x79/0x220
>[14499.896609]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14499.896612] RIP: 0033:0x7f6f9ac700f7
>[14499.896614] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14499.896617] RAX: ffffffffffffffda RBX: 000055d0ac35c850 RCX: 00007f6f9ac700f7
>[14499.896619] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14499.896621] RBP: 00007ffd10a897b0 R08: 000055d0ac35c850 R09: 0000000000000004
>[14499.896623] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14499.896625] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad341800
>[14508.095853] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14513.702516] swiotlb_tbl_map_single: 2 callbacks suppressed
>[14513.702519] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14513.702525] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14513.702529] CPU: 0 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14513.702531] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14513.702534] Call Trace:
>[14513.702542]  dump_stack+0x85/0xbf
>[14513.702547]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14513.702557]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14513.702566]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14513.702573]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14513.702578]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14513.702586]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14513.702591]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14513.702597]  ? mutex_trylock+0xcd/0xe0
>[14513.702601]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14513.702606]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14513.702646]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14513.702671]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14513.702697]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14513.702724]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14513.702752]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14513.702776]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14513.702783]  ? __might_fault+0x3e/0x90
>[14513.702807]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14513.702832]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14513.702842]  drm_ioctl+0x2d5/0x370 [drm]
>[14513.702875]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14513.702903]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14513.702909]  do_vfs_ioctl+0xa5/0x6e0
>[14513.702915]  SyS_ioctl+0x74/0x80
>[14513.702920]  do_syscall_64+0x79/0x220
>[14513.702924]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14513.702927] RIP: 0033:0x7f6f9ac700f7
>[14513.702930] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14513.702934] RAX: ffffffffffffffda RBX: 000055d0ad18e560 RCX: 00007f6f9ac700f7
>[14513.702936] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14513.702939] RBP: 00007ffd10a897b0 R08: 000055d0ad18e560 R09: 0000000000000005
>[14513.702941] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14513.702943] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad18e490
>[14513.766075] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14513.766083] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14513.766088] CPU: 7 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14513.766091] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14513.766094] Call Trace:
>[14513.766107]  dump_stack+0x85/0xbf
>[14513.766116]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14513.766132]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14513.766144]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14513.766154]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14513.766161]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14513.766171]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14513.766176]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14513.766186]  ? mutex_trylock+0xcd/0xe0
>[14513.766190]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14513.766196]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14513.766273]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14513.766323]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14513.766360]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14513.766386]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14513.766408]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14513.766429]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14513.766438]  ? __might_fault+0x3e/0x90
>[14513.766462]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14513.766485]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14513.766500]  drm_ioctl+0x2d5/0x370 [drm]
>[14513.766523]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14513.766545]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14513.766553]  do_vfs_ioctl+0xa5/0x6e0
>[14513.766559]  SyS_ioctl+0x74/0x80
>[14513.766565]  do_syscall_64+0x79/0x220
>[14513.766570]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14513.766574] RIP: 0033:0x7f6f9ac700f7
>[14513.766576] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14513.766579] RAX: ffffffffffffffda RBX: 000055d0a84ea2f0 RCX: 00007f6f9ac700f7
>[14513.766581] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14513.766583] RBP: 00007ffd10a897b0 R08: 000055d0a84ea2f0 R09: 0000000000000004
>[14513.766585] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14513.766587] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ac2bc670
>[14515.951671] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14515.951677] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14515.951681] CPU: 3 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14515.951683] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14515.951686] Call Trace:
>[14515.951693]  dump_stack+0x85/0xbf
>[14515.951698]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14515.951707]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14515.951716]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14515.951723]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14515.951729]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14515.951737]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14515.951741]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14515.951747]  ? mutex_trylock+0xcd/0xe0
>[14515.951752]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14515.951758]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14515.951793]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14515.951823]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14515.951864]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14515.951870]  ? lock_acquire+0x9f/0x200
>[14515.951898]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14515.951926]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14515.951952]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14515.951958]  ? __might_fault+0x3e/0x90
>[14515.951994]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14515.952011]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14515.952023]  drm_ioctl+0x2d5/0x370 [drm]
>[14515.952047]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14515.952076]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14515.952082]  do_vfs_ioctl+0xa5/0x6e0
>[14515.952089]  SyS_ioctl+0x74/0x80
>[14515.952095]  do_syscall_64+0x79/0x220
>[14515.952099]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14515.952102] RIP: 0033:0x7f07d78580f7
>[14515.952105] RSP: 002b:00007ffc892201c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14515.952109] RAX: ffffffffffffffda RBX: 00000000032edde0 RCX: 00007f07d78580f7
>[14515.952111] RDX: 00007ffc89220210 RSI: 00000000c0206440 RDI: 000000000000000b
>[14515.952114] RBP: 00007ffc89220210 R08: 00000000032edde0 R09: 0000000000000004
>[14515.952116] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14515.952118] R13: 000000000000000b R14: 00007ffc892202a8 R15: 0000000003477ae0
>[14524.094897] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14524.395064] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14524.395068] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14524.395071] CPU: 6 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14524.395073] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14524.395075] Call Trace:
>[14524.395081]  dump_stack+0x85/0xbf
>[14524.395086]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14524.395093]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14524.395099]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14524.395105]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14524.395108]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14524.395114]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14524.395118]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14524.395122]  ? mutex_trylock+0xcd/0xe0
>[14524.395126]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14524.395130]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14524.395163]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14524.395181]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14524.395200]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14524.395219]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14524.395238]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14524.395261]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14524.395267]  ? __might_fault+0x3e/0x90
>[14524.395293]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14524.395305]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14524.395317]  drm_ioctl+0x2d5/0x370 [drm]
>[14524.395333]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14524.395351]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14524.395357]  do_vfs_ioctl+0xa5/0x6e0
>[14524.395361]  SyS_ioctl+0x74/0x80
>[14524.395366]  do_syscall_64+0x79/0x220
>[14524.395369]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14524.395372] RIP: 0033:0x7f6f9ac700f7
>[14524.395374] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14524.395377] RAX: ffffffffffffffda RBX: 000055d0ac397e60 RCX: 00007f6f9ac700f7
>[14524.395379] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14524.395380] RBP: 00007ffd10a897b0 R08: 000055d0ac397e60 R09: 00007f6f9af34cc0
>[14524.395382] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14524.395384] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ac2ab1f0
>[14531.326079] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14531.326083] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14531.326086] CPU: 6 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14531.326087] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14531.326089] Call Trace:
>[14531.326096]  dump_stack+0x85/0xbf
>[14531.326101]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14531.326108]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14531.326114]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14531.326119]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14531.326122]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14531.326128]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14531.326131]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14531.326136]  ? mutex_trylock+0xcd/0xe0
>[14531.326138]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14531.326142]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14531.326173]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14531.326193]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14531.326214]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14531.326234]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14531.326254]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14531.326270]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14531.326276]  ? __might_fault+0x3e/0x90
>[14531.326292]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14531.326303]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14531.326309]  drm_ioctl+0x2d5/0x370 [drm]
>[14531.326325]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14531.326343]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14531.326348]  do_vfs_ioctl+0xa5/0x6e0
>[14531.326352]  SyS_ioctl+0x74/0x80
>[14531.326357]  do_syscall_64+0x79/0x220
>[14531.326360]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14531.326363] RIP: 0033:0x7f6f9ac700f7
>[14531.326365] RSP: 002b:00007ffd10a896d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14531.326367] RAX: ffffffffffffffda RBX: 000055d0ad27e150 RCX: 00007f6f9ac700f7
>[14531.326369] RDX: 00007ffd10a89720 RSI: 00000000c0206440 RDI: 000000000000000c
>[14531.326370] RBP: 00007ffd10a89720 R08: 000055d0ad27e150 R09: 0000000000000004
>[14531.326372] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14531.326373] R13: 000000000000000c R14: 00007ffd10a897b8 R15: 000055d0ac04d600
>[14531.335956] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14531.335961] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14531.335964] CPU: 6 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14531.335965] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14531.335967] Call Trace:
>[14531.335974]  dump_stack+0x85/0xbf
>[14531.335979]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14531.335987]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14531.335994]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14531.335999]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14531.336003]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14531.336009]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14531.336012]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14531.336018]  ? mutex_trylock+0xcd/0xe0
>[14531.336022]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14531.336026]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14531.336059]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14531.336086]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14531.336109]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14531.336132]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14531.336154]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14531.336172]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14531.336178]  ? __might_fault+0x3e/0x90
>[14531.336195]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14531.336207]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14531.336215]  drm_ioctl+0x2d5/0x370 [drm]
>[14531.336232]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14531.336257]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14531.336264]  do_vfs_ioctl+0xa5/0x6e0
>[14531.336270]  SyS_ioctl+0x74/0x80
>[14531.336276]  do_syscall_64+0x79/0x220
>[14531.336281]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14531.336284] RIP: 0033:0x7f6f9ac700f7
>[14531.336287] RSP: 002b:00007ffd10a896d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14531.336290] RAX: ffffffffffffffda RBX: 000055d0ad27e150 RCX: 00007f6f9ac700f7
>[14531.336293] RDX: 00007ffd10a89720 RSI: 00000000c0206440 RDI: 000000000000000c
>[14531.336295] RBP: 00007ffd10a89720 R08: 000055d0ad27e150 R09: 0000000000000004
>[14531.336297] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14531.336300] R13: 000000000000000c R14: 00007ffd10a897b8 R15: 000055d0ac04d600
>[14540.094891] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14556.094932] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14559.190241] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14559.190246] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14559.190249] CPU: 3 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14559.190252] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14559.190255] Call Trace:
>[14559.190263]  dump_stack+0x85/0xbf
>[14559.190269]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14559.190280]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14559.190291]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14559.190296]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14559.190300]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14559.190307]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14559.190310]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14559.190315]  ? mutex_trylock+0xcd/0xe0
>[14559.190319]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14559.190323]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14559.190358]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14559.190387]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14559.190409]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14559.190430]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14559.190451]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14559.190468]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14559.190474]  ? __might_fault+0x3e/0x90
>[14559.190492]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14559.190503]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14559.190511]  drm_ioctl+0x2d5/0x370 [drm]
>[14559.190528]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14559.190547]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14559.190553]  do_vfs_ioctl+0xa5/0x6e0
>[14559.190558]  SyS_ioctl+0x74/0x80
>[14559.190563]  do_syscall_64+0x79/0x220
>[14559.190566]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14559.190569] RIP: 0033:0x7f07d78580f7
>[14559.190571] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14559.190574] RAX: ffffffffffffffda RBX: 0000000003467cb0 RCX: 00007f07d78580f7
>[14559.190576] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14559.190578] RBP: 00007ffc892203c0 R08: 0000000003467cb0 R09: 0000000000000004
>[14559.190580] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14559.190582] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000032d8bd0
>[14563.557204] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14563.557209] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14563.557212] CPU: 5 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14563.557214] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14563.557216] Call Trace:
>[14563.557225]  dump_stack+0x85/0xbf
>[14563.557230]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14563.557238]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14563.557246]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14563.557252]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14563.557256]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14563.557263]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14563.557267]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14563.557273]  ? mutex_trylock+0xcd/0xe0
>[14563.557277]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14563.557281]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14563.557320]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14563.557345]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14563.557370]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14563.557393]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14563.557416]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14563.557434]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14563.557440]  ? __might_fault+0x3e/0x90
>[14563.557458]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14563.557471]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14563.557479]  drm_ioctl+0x2d5/0x370 [drm]
>[14563.557496]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14563.557516]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14563.557521]  do_vfs_ioctl+0xa5/0x6e0
>[14563.557527]  SyS_ioctl+0x74/0x80
>[14563.557531]  do_syscall_64+0x79/0x220
>[14563.557535]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14563.557538] RIP: 0033:0x7f6f9ac700f7
>[14563.557540] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14563.557543] RAX: ffffffffffffffda RBX: 000055d0ac2d8960 RCX: 00007f6f9ac700f7
>[14563.557545] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14563.557547] RBP: 00007ffd10a897b0 R08: 000055d0ac2d8960 R09: 0000000000000004
>[14563.557549] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14563.557551] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ac2d24c0
>[14572.096948] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14588.094967] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14604.096998] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14620.097001] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14636.097043] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14652.096028] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14668.097065] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14684.097100] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14700.097088] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14716.095102] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14725.371941] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14725.371948] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14725.371952] CPU: 4 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14725.371955] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14725.371957] Call Trace:
>[14725.371968]  dump_stack+0x85/0xbf
>[14725.371975]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14725.371988]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14725.371999]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14725.372007]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14725.372013]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14725.372022]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14725.372027]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14725.372034]  ? mutex_trylock+0xcd/0xe0
>[14725.372038]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14725.372043]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14725.372124]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14725.372179]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14725.372219]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14725.372259]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14725.372295]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14725.372329]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14725.372338]  ? __might_fault+0x3e/0x90
>[14725.372365]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14725.372391]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14725.372405]  drm_ioctl+0x2d5/0x370 [drm]
>[14725.372434]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14725.372468]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14725.372477]  do_vfs_ioctl+0xa5/0x6e0
>[14725.372486]  SyS_ioctl+0x74/0x80
>[14725.372493]  do_syscall_64+0x79/0x220
>[14725.372499]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14725.372503] RIP: 0033:0x7f6f9ac700f7
>[14725.372506] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14725.372510] RAX: ffffffffffffffda RBX: 000055d0ac31d4b0 RCX: 00007f6f9ac700f7
>[14725.372513] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14725.372515] RBP: 00007ffd10a897b0 R08: 000055d0ac31d4b0 R09: 0000000000000004
>[14725.372518] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14725.372520] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ac3283c0
>[14732.096117] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14748.096127] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14764.096158] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14770.810407] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14770.810411] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14770.810414] CPU: 0 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14770.810416] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14770.810417] Call Trace:
>[14770.810424]  dump_stack+0x85/0xbf
>[14770.810428]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14770.810435]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14770.810441]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14770.810445]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14770.810449]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14770.810454]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14770.810458]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14770.810462]  ? mutex_trylock+0xcd/0xe0
>[14770.810466]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14770.810469]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14770.810502]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14770.810524]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14770.810545]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14770.810566]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14770.810586]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14770.810604]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14770.810609]  ? __might_fault+0x3e/0x90
>[14770.810626]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14770.810637]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14770.810644]  drm_ioctl+0x2d5/0x370 [drm]
>[14770.810661]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14770.810680]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14770.810685]  do_vfs_ioctl+0xa5/0x6e0
>[14770.810690]  SyS_ioctl+0x74/0x80
>[14770.810694]  do_syscall_64+0x79/0x220
>[14770.810697]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14770.810699] RIP: 0033:0x7f07d78580f7
>[14770.810701] RSP: 002b:00007ffc892201c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14770.810704] RAX: ffffffffffffffda RBX: 00000000032e1fc0 RCX: 00007f07d78580f7
>[14770.810705] RDX: 00007ffc89220210 RSI: 00000000c0206440 RDI: 000000000000000b
>[14770.810707] RBP: 00007ffc89220210 R08: 00000000032e1fc0 R09: 0000000000000004
>[14770.810708] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14770.810710] R13: 000000000000000b R14: 00007ffc892202a8 R15: 000000000348caf0
>[14772.296200] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14772.296205] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14772.296207] CPU: 7 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14772.296210] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14772.296211] Call Trace:
>[14772.296218]  dump_stack+0x85/0xbf
>[14772.296222]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14772.296229]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14772.296237]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14772.296243]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14772.296247]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14772.296254]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14772.296257]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14772.296262]  ? mutex_trylock+0xcd/0xe0
>[14772.296266]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14772.296270]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14772.296303]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14772.296327]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14772.296350]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14772.296373]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14772.296393]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14772.296411]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14772.296416]  ? __might_fault+0x3e/0x90
>[14772.296434]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14772.296446]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14772.296453]  drm_ioctl+0x2d5/0x370 [drm]
>[14772.296470]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14772.296489]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14772.296495]  do_vfs_ioctl+0xa5/0x6e0
>[14772.296501]  SyS_ioctl+0x74/0x80
>[14772.296506]  do_syscall_64+0x79/0x220
>[14772.296510]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14772.296513] RIP: 0033:0x7f6f9ac700f7
>[14772.296515] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14772.296518] RAX: ffffffffffffffda RBX: 000055d0ac341c40 RCX: 00007f6f9ac700f7
>[14772.296520] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14772.296521] RBP: 00007ffd10a897b0 R08: 000055d0ac341c40 R09: 00007f6f9af34c90
>[14772.296523] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14772.296525] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ac337d10
>[14780.096169] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14793.115843] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14793.115850] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14793.115854] CPU: 4 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14793.115857] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14793.115859] Call Trace:
>[14793.115867]  dump_stack+0x85/0xbf
>[14793.115874]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14793.115885]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14793.115895]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14793.115903]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14793.115910]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14793.115919]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14793.115924]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14793.115932]  ? mutex_trylock+0xcd/0xe0
>[14793.115937]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14793.115943]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14793.115985]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14793.116019]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14793.116053]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14793.116087]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14793.116118]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14793.116147]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14793.116154]  ? __might_fault+0x3e/0x90
>[14793.116183]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14793.116199]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14793.116213]  drm_ioctl+0x2d5/0x370 [drm]
>[14793.116241]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14793.116272]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14793.116279]  do_vfs_ioctl+0xa5/0x6e0
>[14793.116285]  SyS_ioctl+0x74/0x80
>[14793.116292]  do_syscall_64+0x79/0x220
>[14793.116296]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14793.116300] RIP: 0033:0x7f07d78580f7
>[14793.116303] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14793.116307] RAX: ffffffffffffffda RBX: 000000000335ca90 RCX: 00007f07d78580f7
>[14793.116309] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14793.116312] RBP: 00007ffc892203c0 R08: 000000000335ca90 R09: 0000000000000004
>[14793.116314] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14793.116317] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000032444a0
>[14793.130925] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14793.130933] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14793.130938] CPU: 2 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14793.130940] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14793.130943] Call Trace:
>[14793.130953]  dump_stack+0x85/0xbf
>[14793.130960]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14793.130971]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14793.130981]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14793.130988]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14793.130995]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14793.131003]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14793.131009]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14793.131016]  ? mutex_trylock+0xcd/0xe0
>[14793.131021]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14793.131027]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14793.131090]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14793.131126]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14793.131161]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14793.131168]  ? __wake_up_common_lock+0x89/0xc0
>[14793.131201]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14793.131244]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14793.131278]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14793.131286]  ? __might_fault+0x3e/0x90
>[14793.131320]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14793.131339]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14793.131356]  drm_ioctl+0x2d5/0x370 [drm]
>[14793.131388]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14793.131420]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14793.131427]  do_vfs_ioctl+0xa5/0x6e0
>[14793.131434]  SyS_ioctl+0x74/0x80
>[14793.131439]  do_syscall_64+0x79/0x220
>[14793.131444]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14793.131447] RIP: 0033:0x7f07d78580f7
>[14793.131450] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14793.131454] RAX: ffffffffffffffda RBX: 0000000003467cb0 RCX: 00007f07d78580f7
>[14793.131456] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14793.131458] RBP: 00007ffc892203c0 R08: 0000000003467cb0 R09: 0000000000000004
>[14793.131461] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14793.131463] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000032ec2d0
>[14796.097249] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14802.672180] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14802.672184] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14802.672187] CPU: 6 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14802.672189] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14802.672190] Call Trace:
>[14802.672197]  dump_stack+0x85/0xbf
>[14802.672201]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14802.672210]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14802.672219]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14802.672236]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14802.672241]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14802.672248]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14802.672253]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14802.672259]  ? mutex_trylock+0xcd/0xe0
>[14802.672264]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14802.672269]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14802.672326]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14802.672349]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14802.672368]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14802.672373]  ? lock_acquire+0x9f/0x200
>[14802.672392]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14802.672423]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14802.672450]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14802.672455]  ? __might_fault+0x3e/0x90
>[14802.672472]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14802.672483]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14802.672490]  drm_ioctl+0x2d5/0x370 [drm]
>[14802.672507]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14802.672525]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14802.672529]  do_vfs_ioctl+0xa5/0x6e0
>[14802.672534]  SyS_ioctl+0x74/0x80
>[14802.672548]  do_syscall_64+0x79/0x220
>[14802.672552]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14802.672555] RIP: 0033:0x7f6f9ac700f7
>[14802.672557] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14802.672560] RAX: ffffffffffffffda RBX: 000055d0ac3d8f10 RCX: 00007f6f9ac700f7
>[14802.672572] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14802.672574] RBP: 00007ffd10a897b0 R08: 000055d0ac3d8f10 R09: 00007f6f9af352d0
>[14802.672575] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14802.672577] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ac3d8e40
>[14806.367552] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14806.367556] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14806.367559] CPU: 6 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14806.367561] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14806.367562] Call Trace:
>[14806.367569]  dump_stack+0x85/0xbf
>[14806.367574]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14806.367581]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14806.367587]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14806.367592]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14806.367595]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14806.367601]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14806.367604]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14806.367609]  ? mutex_trylock+0xcd/0xe0
>[14806.367612]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14806.367615]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14806.367647]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14806.367671]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14806.367692]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14806.367713]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14806.367735]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14806.367753]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14806.367759]  ? __might_fault+0x3e/0x90
>[14806.367776]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14806.367788]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14806.367795]  drm_ioctl+0x2d5/0x370 [drm]
>[14806.367811]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14806.367830]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14806.367835]  do_vfs_ioctl+0xa5/0x6e0
>[14806.367839]  SyS_ioctl+0x74/0x80
>[14806.367843]  do_syscall_64+0x79/0x220
>[14806.367847]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14806.367850] RIP: 0033:0x7f6f9ac700f7
>[14806.367851] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14806.367854] RAX: ffffffffffffffda RBX: 000055d0ac3b7ea0 RCX: 00007f6f9ac700f7
>[14806.367855] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14806.367857] RBP: 00007ffd10a897b0 R08: 000055d0ac3b7ea0 R09: 00007f6f9af34c50
>[14806.367858] R10: 0000000000000006 R11: 0000000000000246 R12: 00000000c0206440
>[14806.367860] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ac31e590
>[14806.605558] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14806.605568] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14806.605574] CPU: 1 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14806.605577] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14806.605579] Call Trace:
>[14806.605596]  dump_stack+0x85/0xbf
>[14806.605608]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14806.605626]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14806.605636]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14806.605645]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14806.605651]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14806.605661]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14806.605666]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14806.605675]  ? mutex_trylock+0xcd/0xe0
>[14806.605681]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14806.605687]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14806.605781]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14806.605817]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14806.605853]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14806.605888]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14806.605919]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14806.605949]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14806.605957]  ? __might_fault+0x3e/0x90
>[14806.605987]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14806.606007]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14806.606019]  drm_ioctl+0x2d5/0x370 [drm]
>[14806.606046]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14806.606079]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14806.606086]  do_vfs_ioctl+0xa5/0x6e0
>[14806.606093]  SyS_ioctl+0x74/0x80
>[14806.606101]  do_syscall_64+0x79/0x220
>[14806.606106]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14806.606110] RIP: 0033:0x7f6f9ac700f7
>[14806.606112] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14806.606116] RAX: ffffffffffffffda RBX: 000055d0ad709eb0 RCX: 00007f6f9ac700f7
>[14806.606119] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14806.606121] RBP: 00007ffd10a897b0 R08: 000055d0ad709eb0 R09: 00007f6f9af34d00
>[14806.606124] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14806.606126] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad702c60
>[14807.435422] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14807.435426] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14807.435429] CPU: 1 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14807.435431] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14807.435433] Call Trace:
>[14807.435439]  dump_stack+0x85/0xbf
>[14807.435444]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14807.435451]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14807.435458]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14807.435462]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14807.435467]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14807.435472]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14807.435476]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14807.435480]  ? mutex_trylock+0xcd/0xe0
>[14807.435484]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14807.435487]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14807.435518]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14807.435541]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14807.435562]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14807.435584]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14807.435604]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14807.435622]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14807.435628]  ? __might_fault+0x3e/0x90
>[14807.435645]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14807.435657]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14807.435665]  drm_ioctl+0x2d5/0x370 [drm]
>[14807.435683]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14807.435703]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14807.435708]  do_vfs_ioctl+0xa5/0x6e0
>[14807.435713]  SyS_ioctl+0x74/0x80
>[14807.435717]  do_syscall_64+0x79/0x220
>[14807.435721]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14807.435723] RIP: 0033:0x7f6f9ac700f7
>[14807.435725] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14807.435728] RAX: ffffffffffffffda RBX: 000055d0ac3d9b10 RCX: 00007f6f9ac700f7
>[14807.435730] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14807.435732] RBP: 00007ffd10a897b0 R08: 000055d0ac3d9b10 R09: 00007f6f9af35320
>[14807.435733] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14807.435735] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ac3d9a40
>[14807.442993] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14807.442997] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14807.443000] CPU: 1 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14807.443002] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14807.443003] Call Trace:
>[14807.443010]  dump_stack+0x85/0xbf
>[14807.443015]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14807.443022]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14807.443029]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14807.443034]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14807.443038]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14807.443046]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14807.443050]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14807.443054]  ? mutex_trylock+0xcd/0xe0
>[14807.443058]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14807.443061]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14807.443102]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14807.443125]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14807.443147]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14807.443181]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14807.443202]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14807.443219]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14807.443225]  ? __might_fault+0x3e/0x90
>[14807.443247]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14807.443258]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14807.443265]  drm_ioctl+0x2d5/0x370 [drm]
>[14807.443282]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14807.443303]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14807.443308]  do_vfs_ioctl+0xa5/0x6e0
>[14807.443314]  SyS_ioctl+0x74/0x80
>[14807.443318]  do_syscall_64+0x79/0x220
>[14807.443322]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14807.443325] RIP: 0033:0x7f6f9ac700f7
>[14807.443327] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14807.443329] RAX: ffffffffffffffda RBX: 000055d0ac3d9b10 RCX: 00007f6f9ac700f7
>[14807.443331] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14807.443333] RBP: 00007ffd10a897b0 R08: 000055d0ac3d9b10 R09: 00007f6f9af35320
>[14807.443335] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14807.443336] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ac3d9a40
>[14812.096207] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14818.220919] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14818.220925] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14818.220929] CPU: 1 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14818.220931] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14818.220933] Call Trace:
>[14818.220940]  dump_stack+0x85/0xbf
>[14818.220946]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14818.220955]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14818.220965]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14818.220972]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14818.220977]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14818.220985]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14818.220990]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14818.220996]  ? mutex_trylock+0xcd/0xe0
>[14818.221000]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14818.221005]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14818.221040]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14818.221070]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14818.221099]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14818.221130]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14818.221159]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14818.221184]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14818.221191]  ? __might_fault+0x3e/0x90
>[14818.221217]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14818.221230]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14818.221240]  drm_ioctl+0x2d5/0x370 [drm]
>[14818.221265]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14818.221293]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14818.221299]  do_vfs_ioctl+0xa5/0x6e0
>[14818.221305]  SyS_ioctl+0x74/0x80
>[14818.221310]  do_syscall_64+0x79/0x220
>[14818.221315]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14818.221318] RIP: 0033:0x7f6f9ac700f7
>[14818.221320] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14818.221324] RAX: ffffffffffffffda RBX: 000055d0ac3dad70 RCX: 00007f6f9ac700f7
>[14818.221326] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14818.221328] RBP: 00007ffd10a897b0 R08: 000055d0ac3dad70 R09: 00007f6f9af34f00
>[14818.221331] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14818.221333] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ac3dac70
>[14820.196400] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14820.196406] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14820.196410] CPU: 0 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14820.196413] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14820.196415] Call Trace:
>[14820.196422]  dump_stack+0x85/0xbf
>[14820.196438]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14820.196447]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14820.196456]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14820.196462]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14820.196468]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14820.196476]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14820.196480]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14820.196486]  ? mutex_trylock+0xcd/0xe0
>[14820.196490]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14820.196495]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14820.196535]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14820.196565]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14820.196594]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14820.196622]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14820.196650]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14820.196674]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14820.196681]  ? __might_fault+0x3e/0x90
>[14820.196706]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14820.196721]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14820.196730]  drm_ioctl+0x2d5/0x370 [drm]
>[14820.196754]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14820.196781]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14820.196787]  do_vfs_ioctl+0xa5/0x6e0
>[14820.196793]  SyS_ioctl+0x74/0x80
>[14820.196798]  do_syscall_64+0x79/0x220
>[14820.196802]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14820.196806] RIP: 0033:0x7f6f9ac700f7
>[14820.196808] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14820.196811] RAX: ffffffffffffffda RBX: 000055d0ac3dad70 RCX: 00007f6f9ac700f7
>[14820.196813] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14820.196815] RBP: 00007ffd10a897b0 R08: 000055d0ac3dad70 R09: 0000000000000004
>[14820.196818] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14820.196820] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad708ee0
>[14820.864114] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14820.864120] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14820.864125] CPU: 2 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14820.864127] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14820.864130] Call Trace:
>[14820.864137]  dump_stack+0x85/0xbf
>[14820.864141]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14820.864149]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14820.864156]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14820.864161]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14820.864166]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14820.864172]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14820.864175]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14820.864181]  ? mutex_trylock+0xcd/0xe0
>[14820.864184]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14820.864188]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14820.864219]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14820.864243]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14820.864265]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14820.864286]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14820.864312]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14820.864329]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14820.864334]  ? __might_fault+0x3e/0x90
>[14820.864353]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14820.864364]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14820.864372]  drm_ioctl+0x2d5/0x370 [drm]
>[14820.864389]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14820.864409]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14820.864415]  do_vfs_ioctl+0xa5/0x6e0
>[14820.864420]  SyS_ioctl+0x74/0x80
>[14820.864425]  do_syscall_64+0x79/0x220
>[14820.864429]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14820.864432] RIP: 0033:0x7f6f9ac700f7
>[14820.864434] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14820.864437] RAX: ffffffffffffffda RBX: 000055d0ac3d7f20 RCX: 00007f6f9ac700f7
>[14820.864439] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14820.864441] RBP: 00007ffd10a897b0 R08: 000055d0ac3d7f20 R09: 00007f6f9af353a0
>[14820.864443] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14820.864445] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad708ee0
>[14821.223848] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14821.223855] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14821.223859] CPU: 4 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14821.223862] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14821.223864] Call Trace:
>[14821.223872]  dump_stack+0x85/0xbf
>[14821.223879]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14821.223890]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14821.223898]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14821.223904]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14821.223909]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14821.223916]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14821.223919]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14821.223924]  ? mutex_trylock+0xcd/0xe0
>[14821.223928]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14821.223932]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14821.223973]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14821.223999]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14821.224028]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14821.224058]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14821.224088]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14821.224116]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14821.224123]  ? __might_fault+0x3e/0x90
>[14821.224150]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14821.224164]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14821.224176]  drm_ioctl+0x2d5/0x370 [drm]
>[14821.224202]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14821.224230]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14821.224237]  do_vfs_ioctl+0xa5/0x6e0
>[14821.224244]  SyS_ioctl+0x74/0x80
>[14821.224252]  do_syscall_64+0x79/0x220
>[14821.224257]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14821.224260] RIP: 0033:0x7f6f9ac700f7
>[14821.224263] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14821.224268] RAX: ffffffffffffffda RBX: 000055d0ac3dafa0 RCX: 00007f6f9ac700f7
>[14821.224270] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14821.224273] RBP: 00007ffd10a897b0 R08: 000055d0ac3dafa0 R09: 0000000000000004
>[14821.224276] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14821.224278] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad708b90
>[14822.769039] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14822.769046] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14822.769051] CPU: 4 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14822.769054] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14822.769056] Call Trace:
>[14822.769065]  dump_stack+0x85/0xbf
>[14822.769071]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14822.769082]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14822.769092]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14822.769100]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14822.769105]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14822.769114]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14822.769118]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14822.769124]  ? mutex_trylock+0xcd/0xe0
>[14822.769129]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14822.769134]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14822.769201]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14822.769240]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14822.769277]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14822.769284]  ? lock_acquire+0x9f/0x200
>[14822.769317]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14822.769352]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14822.769381]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14822.769389]  ? __might_fault+0x3e/0x90
>[14822.769418]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14822.769439]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14822.769451]  drm_ioctl+0x2d5/0x370 [drm]
>[14822.769480]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14822.769511]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14822.769518]  do_vfs_ioctl+0xa5/0x6e0
>[14822.769525]  SyS_ioctl+0x74/0x80
>[14822.769531]  do_syscall_64+0x79/0x220
>[14822.769535]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14822.769538] RIP: 0033:0x7f6f9ac700f7
>[14822.769541] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14822.769544] RAX: ffffffffffffffda RBX: 000055d0ad6c3240 RCX: 00007f6f9ac700f7
>[14822.769546] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14822.769548] RBP: 00007ffd10a897b0 R08: 000055d0ad6c3240 R09: 00007f6f9af34c90
>[14822.769551] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14822.769553] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ac3de3f0
>[14828.092213] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14831.887911] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14831.887927] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14831.887931] CPU: 5 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14831.887934] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14831.887936] Call Trace:
>[14831.887945]  dump_stack+0x85/0xbf
>[14831.887950]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14831.887960]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14831.887969]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14831.887977]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14831.887982]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14831.887991]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14831.887996]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14831.888003]  ? mutex_trylock+0xcd/0xe0
>[14831.888007]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14831.888013]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14831.888050]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14831.888083]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14831.888117]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14831.888149]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14831.888180]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14831.888206]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14831.888213]  ? __might_fault+0x3e/0x90
>[14831.888241]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14831.888256]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14831.888268]  drm_ioctl+0x2d5/0x370 [drm]
>[14831.888294]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14831.888335]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14831.888341]  do_vfs_ioctl+0xa5/0x6e0
>[14831.888348]  SyS_ioctl+0x74/0x80
>[14831.888354]  do_syscall_64+0x79/0x220
>[14831.888359]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14831.888363] RIP: 0033:0x7f6f9ac700f7
>[14831.888365] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14831.888369] RAX: ffffffffffffffda RBX: 000055d0ac3e1520 RCX: 00007f6f9ac700f7
>[14831.888372] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14831.888374] RBP: 00007ffd10a897b0 R08: 000055d0ac3e1520 R09: 00007f6f9af34e90
>[14831.888377] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14831.888379] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ac3e1450
>[14832.965136] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14832.965141] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14832.965144] CPU: 6 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14832.965146] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14832.965147] Call Trace:
>[14832.965154]  dump_stack+0x85/0xbf
>[14832.965158]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14832.965166]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14832.965172]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14832.965177]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14832.965181]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14832.965187]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14832.965190]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14832.965195]  ? mutex_trylock+0xcd/0xe0
>[14832.965199]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14832.965202]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14832.965234]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14832.965257]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14832.965278]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14832.965283]  ? bad_range+0x72/0x150
>[14832.965303]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14832.965324]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14832.965342]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14832.965348]  ? __might_fault+0x3e/0x90
>[14832.965366]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14832.965377]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14832.965385]  drm_ioctl+0x2d5/0x370 [drm]
>[14832.965401]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14832.965421]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14832.965426]  do_vfs_ioctl+0xa5/0x6e0
>[14832.965430]  SyS_ioctl+0x74/0x80
>[14832.965435]  do_syscall_64+0x79/0x220
>[14832.965438]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14832.965441] RIP: 0033:0x7f6f9ac700f7
>[14832.965443] RSP: 002b:00007ffd10a86968 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14832.965446] RAX: ffffffffffffffda RBX: 000055d0ac3d9ba0 RCX: 00007f6f9ac700f7
>[14832.965448] RDX: 00007ffd10a869b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14832.965450] RBP: 00007ffd10a869b0 R08: 000055d0ac3d9ba0 R09: 0000000000000004
>[14832.965451] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14832.965453] R13: 000000000000000c R14: 00007ffd10a86a48 R15: 000055d0ac3e2670
>[14832.987865] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14832.987871] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14832.987875] CPU: 3 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14832.987878] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14832.987881] Call Trace:
>[14832.987889]  dump_stack+0x85/0xbf
>[14832.987895]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14832.987906]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14832.987916]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14832.987925]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14832.987931]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14832.987940]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14832.987946]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14832.987953]  ? mutex_trylock+0xcd/0xe0
>[14832.987958]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14832.987964]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14832.988003]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14832.988035]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14832.988069]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14832.988102]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14832.988134]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14832.988162]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14832.988169]  ? __might_fault+0x3e/0x90
>[14832.988196]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14832.988212]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14832.988224]  drm_ioctl+0x2d5/0x370 [drm]
>[14832.988252]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14832.988284]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14832.988290]  do_vfs_ioctl+0xa5/0x6e0
>[14832.988298]  SyS_ioctl+0x74/0x80
>[14832.988304]  do_syscall_64+0x79/0x220
>[14832.988309]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14832.988313] RIP: 0033:0x7f6f9ac700f7
>[14832.988316] RSP: 002b:00007ffd10a875d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14832.988320] RAX: ffffffffffffffda RBX: 000055d0ac347310 RCX: 00007f6f9ac700f7
>[14832.988323] RDX: 00007ffd10a87620 RSI: 00000000c0206440 RDI: 000000000000000c
>[14832.988326] RBP: 00007ffd10a87620 R08: 000055d0ac347310 R09: 00007f6f9af34ca0
>[14832.988329] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14832.988332] R13: 000000000000000c R14: 00007ffd10a876b8 R15: 000055d0ac347240
>[14833.100449] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14833.100455] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14833.100459] CPU: 4 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14833.100461] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14833.100463] Call Trace:
>[14833.100471]  dump_stack+0x85/0xbf
>[14833.100476]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14833.100485]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14833.100494]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14833.100502]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14833.100508]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14833.100517]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14833.100522]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14833.100531]  ? mutex_trylock+0xcd/0xe0
>[14833.100536]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14833.100543]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14833.100625]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14833.100684]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14833.100740]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14833.100792]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14833.100838]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14833.100872]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14833.100881]  ? __might_fault+0x3e/0x90
>[14833.100914]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14833.100943]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14833.100964]  drm_ioctl+0x2d5/0x370 [drm]
>[14833.100989]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14833.101017]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14833.101025]  do_vfs_ioctl+0xa5/0x6e0
>[14833.101032]  SyS_ioctl+0x74/0x80
>[14833.101039]  do_syscall_64+0x79/0x220
>[14833.101045]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14833.101048] RIP: 0033:0x7f6f9ac700f7
>[14833.101051] RSP: 002b:00007ffd10a89ba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14833.101055] RAX: ffffffffffffffda RBX: 000055d0ad6eb960 RCX: 00007f6f9ac700f7
>[14833.101057] RDX: 00007ffd10a89bf0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14833.101059] RBP: 00007ffd10a89bf0 R08: 000055d0ad6eb960 R09: 00007f6f9af35400
>[14833.101062] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14833.101064] R13: 000000000000000c R14: 00007ffd10a89c88 R15: 000055d0ad6eb890
>[14833.505247] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14833.505253] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14833.505257] CPU: 7 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14833.505260] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14833.505262] Call Trace:
>[14833.505271]  dump_stack+0x85/0xbf
>[14833.505277]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14833.505288]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14833.505299]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14833.505306]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14833.505312]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14833.505321]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14833.505326]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14833.505332]  ? mutex_trylock+0xcd/0xe0
>[14833.505338]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14833.505343]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14833.505382]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14833.505414]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14833.505447]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14833.505480]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14833.505511]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14833.505538]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14833.505545]  ? __might_fault+0x3e/0x90
>[14833.505573]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14833.505587]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14833.505598]  drm_ioctl+0x2d5/0x370 [drm]
>[14833.505626]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14833.505656]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14833.505663]  do_vfs_ioctl+0xa5/0x6e0
>[14833.505671]  SyS_ioctl+0x74/0x80
>[14833.505677]  do_syscall_64+0x79/0x220
>[14833.505682]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14833.505685] RIP: 0033:0x7f07d78580f7
>[14833.505688] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14833.505692] RAX: ffffffffffffffda RBX: 0000000003472ad0 RCX: 00007f07d78580f7
>[14833.505695] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14833.505698] RBP: 00007ffc892203c0 R08: 0000000003472ad0 R09: 00007f07d7b1d080
>[14833.505700] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14833.505703] R13: 000000000000000b R14: 00007ffc89220458 R15: 0000000003472a00
>[14839.320802] swiotlb_tbl_map_single: 2 callbacks suppressed
>[14839.320804] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14839.320811] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14839.320816] CPU: 7 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14839.320819] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14839.320821] Call Trace:
>[14839.320829]  dump_stack+0x85/0xbf
>[14839.320834]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14839.320840]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14839.320857]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14839.320862]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14839.320866]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14839.320872]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14839.320875]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14839.320880]  ? mutex_trylock+0xcd/0xe0
>[14839.320883]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14839.320887]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14839.320917]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14839.320940]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14839.320961]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14839.320983]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14839.321003]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14839.321020]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14839.321026]  ? __might_fault+0x3e/0x90
>[14839.321043]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14839.321054]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14839.321061]  drm_ioctl+0x2d5/0x370 [drm]
>[14839.321077]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14839.321096]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14839.321101]  do_vfs_ioctl+0xa5/0x6e0
>[14839.321106]  SyS_ioctl+0x74/0x80
>[14839.321110]  do_syscall_64+0x79/0x220
>[14839.321114]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14839.321116] RIP: 0033:0x7f07d78580f7
>[14839.321118] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14839.321121] RAX: ffffffffffffffda RBX: 000000000329c860 RCX: 00007f07d78580f7
>[14839.321123] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14839.321124] RBP: 00007ffc892203c0 R08: 000000000329c860 R09: 0000000000000004
>[14839.321126] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14839.321128] R13: 000000000000000b R14: 00007ffc89220458 R15: 0000000002f70550
>[14839.349674] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14839.349680] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14839.349685] CPU: 6 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14839.349688] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14839.349691] Call Trace:
>[14839.349702]  dump_stack+0x85/0xbf
>[14839.349709]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14839.349721]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14839.349732]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14839.349739]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14839.349746]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14839.349755]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14839.349760]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14839.349767]  ? mutex_trylock+0xcd/0xe0
>[14839.349772]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14839.349778]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14839.349820]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14839.349853]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14839.349890]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14839.349922]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14839.349952]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14839.349978]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14839.349986]  ? __might_fault+0x3e/0x90
>[14839.350012]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14839.350027]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14839.350038]  drm_ioctl+0x2d5/0x370 [drm]
>[14839.350064]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14839.350093]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14839.350101]  do_vfs_ioctl+0xa5/0x6e0
>[14839.350108]  SyS_ioctl+0x74/0x80
>[14839.350115]  do_syscall_64+0x79/0x220
>[14839.350120]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14839.350123] RIP: 0033:0x7f07d78580f7
>[14839.350126] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14839.350130] RAX: ffffffffffffffda RBX: 000000000329ab80 RCX: 00007f07d78580f7
>[14839.350133] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14839.350135] RBP: 00007ffc892203c0 R08: 000000000329ab80 R09: 0000000000000004
>[14839.350137] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14839.350140] R13: 000000000000000b R14: 00007ffc89220458 R15: 0000000003279690
>[14839.419721] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14839.419726] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14839.419731] CPU: 0 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14839.419733] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14839.419736] Call Trace:
>[14839.419744]  dump_stack+0x85/0xbf
>[14839.419750]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14839.419760]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14839.419770]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14839.419778]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14839.419784]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14839.419794]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14839.419799]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14839.419806]  ? mutex_trylock+0xcd/0xe0
>[14839.419812]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14839.419818]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14839.419862]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14839.419894]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14839.419928]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14839.419961]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14839.419993]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14839.420023]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14839.420030]  ? __might_fault+0x3e/0x90
>[14839.420061]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14839.420080]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14839.420095]  drm_ioctl+0x2d5/0x370 [drm]
>[14839.420125]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14839.420157]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14839.420165]  do_vfs_ioctl+0xa5/0x6e0
>[14839.420172]  SyS_ioctl+0x74/0x80
>[14839.420179]  do_syscall_64+0x79/0x220
>[14839.420184]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14839.420188] RIP: 0033:0x7f6f9ac700f7
>[14839.420191] RSP: 002b:00007ffd10a896d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14839.420195] RAX: ffffffffffffffda RBX: 000055d0ad6e33a0 RCX: 00007f6f9ac700f7
>[14839.420198] RDX: 00007ffd10a89720 RSI: 00000000c0206440 RDI: 000000000000000c
>[14839.420201] RBP: 00007ffd10a89720 R08: 000055d0ad6e33a0 R09: 0000000000000005
>[14839.420203] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14839.420206] R13: 000000000000000c R14: 00007ffd10a897b8 R15: 000055d0ad94b320
>[14841.116945] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14841.116951] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14841.116955] CPU: 2 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14841.116957] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14841.116959] Call Trace:
>[14841.116968]  dump_stack+0x85/0xbf
>[14841.116974]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14841.116984]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14841.116994]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14841.117001]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14841.117006]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14841.117015]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14841.117020]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14841.117026]  ? mutex_trylock+0xcd/0xe0
>[14841.117031]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14841.117036]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14841.117074]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14841.117105]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14841.117134]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14841.117176]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14841.117205]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14841.117229]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14841.117235]  ? __might_fault+0x3e/0x90
>[14841.117261]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14841.117275]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14841.117286]  drm_ioctl+0x2d5/0x370 [drm]
>[14841.117310]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14841.117338]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14841.117344]  do_vfs_ioctl+0xa5/0x6e0
>[14841.117350]  SyS_ioctl+0x74/0x80
>[14841.117356]  do_syscall_64+0x79/0x220
>[14841.117360]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14841.117363] RIP: 0033:0x7f6f9ac700f7
>[14841.117365] RSP: 002b:00007ffd10a897d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14841.117369] RAX: ffffffffffffffda RBX: 000055d0ad775920 RCX: 00007f6f9ac700f7
>[14841.117371] RDX: 00007ffd10a89820 RSI: 00000000c0206440 RDI: 000000000000000c
>[14841.117373] RBP: 00007ffd10a89820 R08: 000055d0ad775920 R09: 0000000000000004
>[14841.117375] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14841.117378] R13: 000000000000000c R14: 00007ffd10a898b8 R15: 000055d0ad8a3850
>[14844.098237] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14845.680008] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14845.680013] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14845.680017] CPU: 1 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14845.680019] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14845.680022] Call Trace:
>[14845.680031]  dump_stack+0x85/0xbf
>[14845.680037]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14845.680047]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14845.680057]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14845.680062]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14845.680068]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14845.680076]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14845.680080]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14845.680087]  ? mutex_trylock+0xcd/0xe0
>[14845.680091]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14845.680097]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14845.680139]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14845.680169]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14845.680200]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14845.680226]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14845.680248]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14845.680270]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14845.680277]  ? __might_fault+0x3e/0x90
>[14845.680302]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14845.680321]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14845.680333]  drm_ioctl+0x2d5/0x370 [drm]
>[14845.680355]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14845.680382]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14845.680389]  do_vfs_ioctl+0xa5/0x6e0
>[14845.680395]  SyS_ioctl+0x74/0x80
>[14845.680401]  do_syscall_64+0x79/0x220
>[14845.680406]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14845.680409] RIP: 0033:0x7f6f9ac700f7
>[14845.680412] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14845.680416] RAX: ffffffffffffffda RBX: 000055d0ad6c7200 RCX: 00007f6f9ac700f7
>[14845.680418] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14845.680421] RBP: 00007ffd10a897b0 R08: 000055d0ad6c7200 R09: 0000000000000004
>[14845.680423] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14845.680426] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad7cda50
>[14845.704510] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14845.704514] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14845.704517] CPU: 1 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14845.704519] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14845.704520] Call Trace:
>[14845.704526]  dump_stack+0x85/0xbf
>[14845.704531]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14845.704538]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14845.704544]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14845.704549]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14845.704553]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14845.704559]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14845.704562]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14845.704567]  ? mutex_trylock+0xcd/0xe0
>[14845.704570]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14845.704574]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14845.704606]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14845.704630]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14845.704651]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14845.704672]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14845.704692]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14845.704713]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14845.704719]  ? __might_fault+0x3e/0x90
>[14845.704745]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14845.704760]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14845.704768]  drm_ioctl+0x2d5/0x370 [drm]
>[14845.704784]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14845.704804]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14845.704809]  do_vfs_ioctl+0xa5/0x6e0
>[14845.704814]  SyS_ioctl+0x74/0x80
>[14845.704819]  do_syscall_64+0x79/0x220
>[14845.704832]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14845.704834] RIP: 0033:0x7f6f9ac700f7
>[14845.704837] RSP: 002b:00007ffd10a897d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14845.704840] RAX: ffffffffffffffda RBX: 000055d0ad7367e0 RCX: 00007f6f9ac700f7
>[14845.704842] RDX: 00007ffd10a89820 RSI: 00000000c0206440 RDI: 000000000000000c
>[14845.704843] RBP: 00007ffd10a89820 R08: 000055d0ad7367e0 R09: 0000000000000004
>[14845.704845] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14845.704846] R13: 000000000000000c R14: 00007ffd10a898b8 R15: 000055d0ad7705f0
>[14845.730115] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14845.730119] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14845.730122] CPU: 1 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14845.730123] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14845.730125] Call Trace:
>[14845.730132]  dump_stack+0x85/0xbf
>[14845.730136]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14845.730143]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14845.730149]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14845.730154]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14845.730158]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14845.730164]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14845.730167]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14845.730172]  ? mutex_trylock+0xcd/0xe0
>[14845.730175]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14845.730178]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14845.730211]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14845.730229]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14845.730247]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14845.730266]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14845.730284]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14845.730299]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14845.730305]  ? __might_fault+0x3e/0x90
>[14845.730321]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14845.730332]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14845.730340]  drm_ioctl+0x2d5/0x370 [drm]
>[14845.730355]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14845.730384]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14845.730389]  do_vfs_ioctl+0xa5/0x6e0
>[14845.730393]  SyS_ioctl+0x74/0x80
>[14845.730398]  do_syscall_64+0x79/0x220
>[14845.730401]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14845.730404] RIP: 0033:0x7f6f9ac700f7
>[14845.730406] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14845.730409] RAX: ffffffffffffffda RBX: 000055d0ad72b4c0 RCX: 00007f6f9ac700f7
>[14845.730411] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14845.730413] RBP: 00007ffd10a897b0 R08: 000055d0ad72b4c0 R09: 0000000000000004
>[14845.730414] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14845.730416] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad770920
>[14854.199677] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14854.199681] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14854.199684] CPU: 4 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14854.199686] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14854.199687] Call Trace:
>[14854.199693]  dump_stack+0x85/0xbf
>[14854.199698]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14854.199705]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14854.199711]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14854.199716]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14854.199720]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14854.199725]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14854.199729]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14854.199733]  ? mutex_trylock+0xcd/0xe0
>[14854.199736]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14854.199740]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14854.199773]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14854.199797]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14854.199831]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14854.199836]  ? lock_acquire+0x9f/0x200
>[14854.199855]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14854.199875]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14854.199892]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14854.199897]  ? __might_fault+0x3e/0x90
>[14854.199914]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14854.199926]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14854.199934]  drm_ioctl+0x2d5/0x370 [drm]
>[14854.199950]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14854.199968]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14854.199973]  do_vfs_ioctl+0xa5/0x6e0
>[14854.199978]  SyS_ioctl+0x74/0x80
>[14854.199982]  do_syscall_64+0x79/0x220
>[14854.199986]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14854.199988] RIP: 0033:0x7f6f9ac700f7
>[14854.199990] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14854.199993] RAX: ffffffffffffffda RBX: 000055d0ad726830 RCX: 00007f6f9ac700f7
>[14854.199995] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14854.199996] RBP: 00007ffd10a897b0 R08: 000055d0ad726830 R09: 000000000000000b
>[14854.199998] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14854.199999] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad805630
>[14860.098246] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14869.838873] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14869.838878] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14869.838881] CPU: 4 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14869.838883] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14869.838885] Call Trace:
>[14869.838892]  dump_stack+0x85/0xbf
>[14869.838898]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14869.838909]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14869.838919]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14869.838926]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14869.838930]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14869.838936]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14869.838940]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14869.838945]  ? mutex_trylock+0xcd/0xe0
>[14869.838950]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14869.838955]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14869.838999]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14869.839034]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14869.839067]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14869.839098]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14869.839119]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14869.839136]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14869.839141]  ? __might_fault+0x3e/0x90
>[14869.839159]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14869.839171]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14869.839179]  drm_ioctl+0x2d5/0x370 [drm]
>[14869.839196]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14869.839223]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14869.839228]  do_vfs_ioctl+0xa5/0x6e0
>[14869.839233]  SyS_ioctl+0x74/0x80
>[14869.839239]  do_syscall_64+0x79/0x220
>[14869.839243]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14869.839246] RIP: 0033:0x7f6f9ac700f7
>[14869.839249] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14869.839253] RAX: ffffffffffffffda RBX: 000055d0ac31ab30 RCX: 00007f6f9ac700f7
>[14869.839255] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14869.839257] RBP: 00007ffd10a897b0 R08: 000055d0ac31ab30 R09: 000000000000000b
>[14869.839259] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14869.839261] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad8a82a0
>[14876.098267] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14885.862956] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14885.862960] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14885.862962] CPU: 7 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14885.862964] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14885.862966] Call Trace:
>[14885.862971]  dump_stack+0x85/0xbf
>[14885.862976]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14885.862983]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14885.862989]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14885.862993]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14885.862997]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14885.863002]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14885.863005]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14885.863010]  ? mutex_trylock+0xcd/0xe0
>[14885.863013]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14885.863016]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14885.863048]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14885.863069]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14885.863089]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14885.863110]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14885.863130]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14885.863147]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14885.863152]  ? __might_fault+0x3e/0x90
>[14885.863169]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14885.863180]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14885.863187]  drm_ioctl+0x2d5/0x370 [drm]
>[14885.863203]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14885.863222]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14885.863227]  do_vfs_ioctl+0xa5/0x6e0
>[14885.863231]  SyS_ioctl+0x74/0x80
>[14885.863235]  do_syscall_64+0x79/0x220
>[14885.863238]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14885.863241] RIP: 0033:0x7f6f9ac700f7
>[14885.863243] RSP: 002b:00007ffd10a897d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14885.863245] RAX: ffffffffffffffda RBX: 000055d0ad7253f0 RCX: 00007f6f9ac700f7
>[14885.863247] RDX: 00007ffd10a89820 RSI: 00000000c0206440 RDI: 000000000000000c
>[14885.863248] RBP: 00007ffd10a89820 R08: 000055d0ad7253f0 R09: 0000000000000005
>[14885.863250] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14885.863252] R13: 000000000000000c R14: 00007ffd10a898b8 R15: 000055d0ad776ec0
>[14892.098309] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14894.950898] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14894.950903] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14894.950907] CPU: 4 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14894.950909] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14894.950911] Call Trace:
>[14894.950918]  dump_stack+0x85/0xbf
>[14894.950923]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14894.950933]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14894.950941]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14894.950947]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14894.950952]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14894.950960]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14894.950974]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14894.950980]  ? mutex_trylock+0xcd/0xe0
>[14894.950985]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14894.950990]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14894.951031]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14894.951062]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14894.951093]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14894.951123]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14894.951152]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14894.951177]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14894.951184]  ? __might_fault+0x3e/0x90
>[14894.951210]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14894.951227]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14894.951240]  drm_ioctl+0x2d5/0x370 [drm]
>[14894.951265]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14894.951293]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14894.951300]  do_vfs_ioctl+0xa5/0x6e0
>[14894.951306]  SyS_ioctl+0x74/0x80
>[14894.951312]  do_syscall_64+0x79/0x220
>[14894.951317]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14894.951320] RIP: 0033:0x7f07d78580f7
>[14894.951323] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14894.951326] RAX: ffffffffffffffda RBX: 00000000032bf3e0 RCX: 00007f07d78580f7
>[14894.951329] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14894.951331] RBP: 00007ffc892203c0 R08: 00000000032bf3e0 R09: 0000000000000004
>[14894.951334] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14894.951336] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000033e0740
>[14895.178710] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14895.178715] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14895.178718] CPU: 2 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14895.178720] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14895.178722] Call Trace:
>[14895.178728]  dump_stack+0x85/0xbf
>[14895.178733]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14895.178740]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14895.178747]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14895.178752]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14895.178756]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14895.178762]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14895.178765]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14895.178770]  ? mutex_trylock+0xcd/0xe0
>[14895.178774]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14895.178777]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14895.178808]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14895.178832]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14895.178853]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14895.178875]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14895.178895]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14895.178913]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14895.178918]  ? __might_fault+0x3e/0x90
>[14895.178937]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14895.178949]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14895.178957]  drm_ioctl+0x2d5/0x370 [drm]
>[14895.178974]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14895.178993]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14895.178998]  do_vfs_ioctl+0xa5/0x6e0
>[14895.179003]  SyS_ioctl+0x74/0x80
>[14895.179008]  do_syscall_64+0x79/0x220
>[14895.179012]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14895.179014] RIP: 0033:0x7f07d78580f7
>[14895.179016] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14895.179019] RAX: ffffffffffffffda RBX: 00000000032bf3e0 RCX: 00007f07d78580f7
>[14895.179021] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14895.179023] RBP: 00007ffc892203c0 R08: 00000000032bf3e0 R09: 0000000000000004
>[14895.179024] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14895.179026] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000033e0740
>[14895.932838] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14895.932845] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14895.932849] CPU: 2 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14895.932851] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14895.932853] Call Trace:
>[14895.932862]  dump_stack+0x85/0xbf
>[14895.932877]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14895.932886]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14895.932896]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14895.932902]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14895.932907]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14895.932925]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14895.932930]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14895.932936]  ? mutex_trylock+0xcd/0xe0
>[14895.932940]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14895.932946]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14895.932993]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14895.933029]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14895.933062]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14895.933093]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14895.933121]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14895.933147]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14895.933154]  ? __might_fault+0x3e/0x90
>[14895.933179]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14895.933204]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14895.933216]  drm_ioctl+0x2d5/0x370 [drm]
>[14895.933240]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14895.933268]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14895.933274]  do_vfs_ioctl+0xa5/0x6e0
>[14895.933280]  SyS_ioctl+0x74/0x80
>[14895.933286]  do_syscall_64+0x79/0x220
>[14895.933290]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14895.933293] RIP: 0033:0x7f07d78580f7
>[14895.933296] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14895.933299] RAX: ffffffffffffffda RBX: 000000000328d3c0 RCX: 00007f07d78580f7
>[14895.933301] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14895.933303] RBP: 00007ffc892203c0 R08: 000000000328d3c0 R09: 0000000000000004
>[14895.933305] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14895.933307] R13: 000000000000000b R14: 00007ffc89220458 R15: 000000000346e0e0
>[14895.996007] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14895.996011] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14895.996014] CPU: 4 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14895.996016] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14895.996018] Call Trace:
>[14895.996024]  dump_stack+0x85/0xbf
>[14895.996029]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14895.996036]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14895.996043]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14895.996048]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14895.996053]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14895.996059]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14895.996062]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14895.996067]  ? mutex_trylock+0xcd/0xe0
>[14895.996070]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14895.996074]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14895.996108]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14895.996130]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14895.996152]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14895.996174]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14895.996195]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14895.996213]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14895.996218]  ? __might_fault+0x3e/0x90
>[14895.996237]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14895.996249]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14895.996256]  drm_ioctl+0x2d5/0x370 [drm]
>[14895.996274]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14895.996293]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14895.996299]  do_vfs_ioctl+0xa5/0x6e0
>[14895.996304]  SyS_ioctl+0x74/0x80
>[14895.996309]  do_syscall_64+0x79/0x220
>[14895.996313]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14895.996316] RIP: 0033:0x7f6f9ac700f7
>[14895.996318] RSP: 002b:00007ffd10a896d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14895.996321] RAX: ffffffffffffffda RBX: 000055d0adb0cf10 RCX: 00007f6f9ac700f7
>[14895.996323] RDX: 00007ffd10a89720 RSI: 00000000c0206440 RDI: 000000000000000c
>[14895.996325] RBP: 00007ffd10a89720 R08: 000055d0adb0cf10 R09: 0000000000000004
>[14895.996327] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14895.996339] R13: 000000000000000c R14: 00007ffd10a897b8 R15: 000055d0ad76d000
>[14896.005887] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14896.005890] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14896.005893] CPU: 6 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14896.005895] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14896.005897] Call Trace:
>[14896.005904]  dump_stack+0x85/0xbf
>[14896.005908]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14896.005916]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14896.005923]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14896.005928]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14896.005932]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14896.005938]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14896.005941]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14896.005946]  ? mutex_trylock+0xcd/0xe0
>[14896.005949]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14896.005953]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14896.005984]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14896.006008]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14896.006031]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14896.006053]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14896.006073]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14896.006091]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14896.006097]  ? __might_fault+0x3e/0x90
>[14896.006114]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14896.006126]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14896.006133]  drm_ioctl+0x2d5/0x370 [drm]
>[14896.006150]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14896.006169]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14896.006174]  do_vfs_ioctl+0xa5/0x6e0
>[14896.006178]  SyS_ioctl+0x74/0x80
>[14896.006183]  do_syscall_64+0x79/0x220
>[14896.006186]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14896.006189] RIP: 0033:0x7f07d78580f7
>[14896.006191] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14896.006194] RAX: ffffffffffffffda RBX: 000000000328d3c0 RCX: 00007f07d78580f7
>[14896.006195] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14896.006197] RBP: 00007ffc892203c0 R08: 000000000328d3c0 R09: 0000000000000004
>[14896.006199] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14896.006201] R13: 000000000000000b R14: 00007ffc89220458 R15: 000000000346e0e0
>[14902.070222] swiotlb_tbl_map_single: 10 callbacks suppressed
>[14902.070225] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14902.070231] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14902.070235] CPU: 4 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14902.070237] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14902.070239] Call Trace:
>[14902.070247]  dump_stack+0x85/0xbf
>[14902.070253]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14902.070262]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14902.070272]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14902.070279]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14902.070284]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14902.070293]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14902.070298]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14902.070304]  ? mutex_trylock+0xcd/0xe0
>[14902.070309]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14902.070315]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14902.070352]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14902.070384]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14902.070418]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14902.070452]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14902.070482]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14902.070509]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14902.070516]  ? __might_fault+0x3e/0x90
>[14902.070541]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14902.070556]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14902.070567]  drm_ioctl+0x2d5/0x370 [drm]
>[14902.070594]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14902.070624]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14902.070630]  do_vfs_ioctl+0xa5/0x6e0
>[14902.070637]  SyS_ioctl+0x74/0x80
>[14902.070643]  do_syscall_64+0x79/0x220
>[14902.070648]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14902.070651] RIP: 0033:0x7f6f9ac700f7
>[14902.070654] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14902.070657] RAX: ffffffffffffffda RBX: 000055d0ad53b000 RCX: 00007f6f9ac700f7
>[14902.070660] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14902.070662] RBP: 00007ffd10a897b0 R08: 000055d0ad53b000 R09: 0000000000000004
>[14902.070665] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14902.070667] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad8a3850
>[14908.096319] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14908.753998] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14908.754004] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14908.754008] CPU: 0 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14908.754011] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14908.754013] Call Trace:
>[14908.754022]  dump_stack+0x85/0xbf
>[14908.754028]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14908.754038]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14908.754048]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14908.754054]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14908.754060]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14908.754069]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14908.754074]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14908.754080]  ? mutex_trylock+0xcd/0xe0
>[14908.754085]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14908.754090]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14908.754132]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14908.754164]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14908.754194]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14908.754223]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14908.754250]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14908.754268]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14908.754274]  ? __might_fault+0x3e/0x90
>[14908.754292]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14908.754304]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14908.754312]  drm_ioctl+0x2d5/0x370 [drm]
>[14908.754329]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14908.754349]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14908.754354]  do_vfs_ioctl+0xa5/0x6e0
>[14908.754358]  SyS_ioctl+0x74/0x80
>[14908.754363]  do_syscall_64+0x79/0x220
>[14908.754366]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14908.754369] RIP: 0033:0x7f6f9ac700f7
>[14908.754371] RSP: 002b:00007ffd10a897d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14908.754374] RAX: ffffffffffffffda RBX: 000055d0ad4c5af0 RCX: 00007f6f9ac700f7
>[14908.754376] RDX: 00007ffd10a89820 RSI: 00000000c0206440 RDI: 000000000000000c
>[14908.754377] RBP: 00007ffd10a89820 R08: 000055d0ad4c5af0 R09: 0000000000000004
>[14908.754379] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14908.754381] R13: 000000000000000c R14: 00007ffd10a898b8 R15: 000055d0ac312d70
>[14908.811716] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14908.811723] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14908.811728] CPU: 0 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14908.811730] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14908.811733] Call Trace:
>[14908.811741]  dump_stack+0x85/0xbf
>[14908.811747]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14908.811758]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14908.811769]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14908.811776]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14908.811782]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14908.811790]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14908.811795]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14908.811802]  ? mutex_trylock+0xcd/0xe0
>[14908.811807]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14908.811812]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14908.811852]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14908.811887]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14908.811920]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14908.811953]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14908.811983]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14908.812008]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14908.812016]  ? __might_fault+0x3e/0x90
>[14908.812041]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14908.812057]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14908.812068]  drm_ioctl+0x2d5/0x370 [drm]
>[14908.812093]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14908.812120]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14908.812126]  do_vfs_ioctl+0xa5/0x6e0
>[14908.812133]  SyS_ioctl+0x74/0x80
>[14908.812139]  do_syscall_64+0x79/0x220
>[14908.812143]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14908.812147] RIP: 0033:0x7f07d78580f7
>[14908.812150] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14908.812154] RAX: ffffffffffffffda RBX: 000000000345f260 RCX: 00007f07d78580f7
>[14908.812157] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14908.812159] RBP: 00007ffc892203c0 R08: 000000000345f260 R09: 0000000000000004
>[14908.812162] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14908.812165] R13: 000000000000000b R14: 00007ffc89220458 R15: 0000000002f70550
>[14908.959856] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14908.959860] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14908.959862] CPU: 2 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14908.959864] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14908.959866] Call Trace:
>[14908.959872]  dump_stack+0x85/0xbf
>[14908.959876]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14908.959883]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14908.959890]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14908.959895]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14908.959899]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14908.959904]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14908.959908]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14908.959912]  ? mutex_trylock+0xcd/0xe0
>[14908.959916]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14908.959919]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14908.959954]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14908.959976]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14908.959998]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14908.960020]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14908.960041]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14908.960058]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14908.960064]  ? __might_fault+0x3e/0x90
>[14908.960082]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14908.960093]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14908.960100]  drm_ioctl+0x2d5/0x370 [drm]
>[14908.960116]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14908.960135]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14908.960140]  do_vfs_ioctl+0xa5/0x6e0
>[14908.960144]  SyS_ioctl+0x74/0x80
>[14908.960149]  do_syscall_64+0x79/0x220
>[14908.960152]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14908.960155] RIP: 0033:0x7f07d78580f7
>[14908.960157] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14908.960160] RAX: ffffffffffffffda RBX: 00000000034ef7e0 RCX: 00007f07d78580f7
>[14908.960161] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14908.960163] RBP: 00007ffc892203c0 R08: 00000000034ef7e0 R09: 0000000000000004
>[14908.960165] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14908.960167] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000033e0740
>[14908.987465] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14908.987472] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14908.987475] CPU: 2 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14908.987477] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14908.987479] Call Trace:
>[14908.987487]  dump_stack+0x85/0xbf
>[14908.987493]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14908.987502]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14908.987511]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14908.987517]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14908.987522]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14908.987530]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14908.987535]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14908.987541]  ? mutex_trylock+0xcd/0xe0
>[14908.987546]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14908.987550]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14908.987583]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14908.987606]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14908.987628]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14908.987634]  ? __wake_up_common_lock+0x89/0xc0
>[14908.987661]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14908.987689]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14908.987712]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14908.987719]  ? __might_fault+0x3e/0x90
>[14908.987744]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14908.987760]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14908.987771]  drm_ioctl+0x2d5/0x370 [drm]
>[14908.987798]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14908.987825]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14908.987831]  do_vfs_ioctl+0xa5/0x6e0
>[14908.987837]  SyS_ioctl+0x74/0x80
>[14908.987842]  do_syscall_64+0x79/0x220
>[14908.987846]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14908.987849] RIP: 0033:0x7f07d78580f7
>[14908.987851] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14908.987855] RAX: ffffffffffffffda RBX: 0000000003176b50 RCX: 00007f07d78580f7
>[14908.987857] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14908.987859] RBP: 00007ffc892203c0 R08: 0000000003176b50 R09: 0000000000000004
>[14908.987861] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14908.987863] R13: 000000000000000b R14: 00007ffc89220458 R15: 0000000003477ae0
>[14909.347541] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14909.347546] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14909.347549] CPU: 2 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14909.347551] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14909.347552] Call Trace:
>[14909.347559]  dump_stack+0x85/0xbf
>[14909.347564]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14909.347572]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14909.347579]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14909.347584]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14909.347588]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14909.347594]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14909.347598]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14909.347603]  ? mutex_trylock+0xcd/0xe0
>[14909.347606]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14909.347610]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14909.347650]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14909.347677]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14909.347699]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14909.347720]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14909.347744]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14909.347762]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14909.347768]  ? __might_fault+0x3e/0x90
>[14909.347786]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14909.347798]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14909.347806]  drm_ioctl+0x2d5/0x370 [drm]
>[14909.347822]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14909.347841]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14909.347846]  do_vfs_ioctl+0xa5/0x6e0
>[14909.347850]  SyS_ioctl+0x74/0x80
>[14909.347855]  do_syscall_64+0x79/0x220
>[14909.347858]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14909.347861] RIP: 0033:0x7f07d78580f7
>[14909.347862] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14909.347865] RAX: ffffffffffffffda RBX: 00000000034379e0 RCX: 00007f07d78580f7
>[14909.347867] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14909.347868] RBP: 00007ffc892203c0 R08: 00000000034379e0 R09: 00007f07d7b1cd10
>[14909.347870] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14909.347871] R13: 000000000000000b R14: 00007ffc89220458 R15: 0000000003437910
>[14916.742338] swiotlb_tbl_map_single: 20 callbacks suppressed
>[14916.742341] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14916.742348] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14916.742351] CPU: 0 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14916.742353] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14916.742355] Call Trace:
>[14916.742362]  dump_stack+0x85/0xbf
>[14916.742367]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14916.742374]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14916.742382]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14916.742387]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14916.742392]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14916.742398]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14916.742402]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14916.742406]  ? mutex_trylock+0xcd/0xe0
>[14916.742410]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14916.742414]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14916.742449]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14916.742474]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14916.742499]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14916.742506]  ? lock_acquire+0x9f/0x200
>[14916.742535]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14916.742559]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14916.742577]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14916.742583]  ? __might_fault+0x3e/0x90
>[14916.742601]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14916.742614]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14916.742622]  drm_ioctl+0x2d5/0x370 [drm]
>[14916.742639]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14916.742658]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14916.742663]  do_vfs_ioctl+0xa5/0x6e0
>[14916.742668]  SyS_ioctl+0x74/0x80
>[14916.742673]  do_syscall_64+0x79/0x220
>[14916.742677]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14916.742680] RIP: 0033:0x7f07d78580f7
>[14916.742681] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14916.742684] RAX: ffffffffffffffda RBX: 00000000034eea70 RCX: 00007f07d78580f7
>[14916.742686] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14916.742688] RBP: 00007ffc892203c0 R08: 00000000034eea70 R09: 00007f07d7b1ccf0
>[14916.742689] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14916.742691] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000034ee9a0
>[14916.761076] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14916.761082] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14916.761086] CPU: 3 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14916.761089] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14916.761091] Call Trace:
>[14916.761100]  dump_stack+0x85/0xbf
>[14916.761106]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14916.761116]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14916.761126]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14916.761133]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14916.761139]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14916.761147]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14916.761152]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14916.761158]  ? mutex_trylock+0xcd/0xe0
>[14916.761162]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14916.761168]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14916.761220]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14916.761256]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14916.761290]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14916.761297]  ? lock_acquire+0x9f/0x200
>[14916.761329]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14916.761361]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14916.761389]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14916.761396]  ? __might_fault+0x3e/0x90
>[14916.761423]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14916.761440]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14916.761453]  drm_ioctl+0x2d5/0x370 [drm]
>[14916.761481]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14916.761511]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14916.761519]  do_vfs_ioctl+0xa5/0x6e0
>[14916.761527]  SyS_ioctl+0x74/0x80
>[14916.761534]  do_syscall_64+0x79/0x220
>[14916.761539]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14916.761543] RIP: 0033:0x7f07d78580f7
>[14916.761545] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14916.761549] RAX: ffffffffffffffda RBX: 00000000034ef7e0 RCX: 00007f07d78580f7
>[14916.761561] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14916.761563] RBP: 00007ffc892203c0 R08: 00000000034ef7e0 R09: 0000000000000004
>[14916.761566] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14916.761568] R13: 000000000000000b R14: 00007ffc89220458 R15: 0000000003477ae0
>[14917.040973] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14917.040979] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14917.040982] CPU: 3 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14917.040985] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14917.040988] Call Trace:
>[14917.040995]  dump_stack+0x85/0xbf
>[14917.041000]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14917.041010]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14917.041019]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14917.041027]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14917.041033]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14917.041042]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14917.041047]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14917.041053]  ? mutex_trylock+0xcd/0xe0
>[14917.041057]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14917.041063]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14917.041100]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14917.041132]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14917.041164]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14917.041194]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14917.041223]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14917.041248]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14917.041255]  ? __might_fault+0x3e/0x90
>[14917.041281]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14917.041295]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14917.041308]  drm_ioctl+0x2d5/0x370 [drm]
>[14917.041332]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14917.041361]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14917.041368]  do_vfs_ioctl+0xa5/0x6e0
>[14917.041375]  SyS_ioctl+0x74/0x80
>[14917.041380]  do_syscall_64+0x79/0x220
>[14917.041385]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14917.041389] RIP: 0033:0x7f07d78580f7
>[14917.041391] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14917.041395] RAX: ffffffffffffffda RBX: 00000000032beea0 RCX: 00007f07d78580f7
>[14917.041397] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14917.041400] RBP: 00007ffc892203c0 R08: 00000000032beea0 R09: 0000000000000004
>[14917.041402] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14917.041405] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000034ee130
>[14918.435400] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14918.435406] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14918.435410] CPU: 2 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14918.435413] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14918.435416] Call Trace:
>[14918.435425]  dump_stack+0x85/0xbf
>[14918.435431]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14918.435441]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14918.435452]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14918.435459]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14918.435466]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14918.435474]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14918.435480]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14918.435486]  ? mutex_trylock+0xcd/0xe0
>[14918.435491]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14918.435497]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14918.435533]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14918.435567]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14918.435601]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14918.435607]  ? lock_acquire+0x9f/0x200
>[14918.435638]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14918.435670]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14918.435699]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14918.435708]  ? __might_fault+0x3e/0x90
>[14918.435737]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14918.435762]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14918.435775]  drm_ioctl+0x2d5/0x370 [drm]
>[14918.435803]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14918.435833]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14918.435840]  do_vfs_ioctl+0xa5/0x6e0
>[14918.435847]  SyS_ioctl+0x74/0x80
>[14918.435853]  do_syscall_64+0x79/0x220
>[14918.435858]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14918.435861] RIP: 0033:0x7f07d78580f7
>[14918.435864] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14918.435868] RAX: ffffffffffffffda RBX: 00000000034392e0 RCX: 00007f07d78580f7
>[14918.435871] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14918.435874] RBP: 00007ffc892203c0 R08: 00000000034392e0 R09: 0000000000000004
>[14918.435877] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14918.435880] R13: 000000000000000b R14: 00007ffc89220458 R15: 0000000003448a80
>[14918.452771] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14918.452791] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14918.452795] CPU: 2 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14918.452798] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14918.452801] Call Trace:
>[14918.452808]  dump_stack+0x85/0xbf
>[14918.452814]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14918.452825]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14918.452836]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14918.452843]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14918.452849]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14918.452855]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14918.452858]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14918.452864]  ? mutex_trylock+0xcd/0xe0
>[14918.452867]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14918.452871]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14918.452914]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14918.452941]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14918.452971]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14918.452978]  ? lock_acquire+0x9f/0x200
>[14918.453006]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14918.453036]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14918.453061]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14918.453068]  ? __might_fault+0x3e/0x90
>[14918.453095]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14918.453111]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14918.453123]  drm_ioctl+0x2d5/0x370 [drm]
>[14918.453148]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14918.453171]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14918.453178]  do_vfs_ioctl+0xa5/0x6e0
>[14918.453186]  SyS_ioctl+0x74/0x80
>[14918.453190]  do_syscall_64+0x79/0x220
>[14918.453194]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14918.453197] RIP: 0033:0x7f07d78580f7
>[14918.453200] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14918.453203] RAX: ffffffffffffffda RBX: 00000000034ef7e0 RCX: 00007f07d78580f7
>[14918.453206] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14918.453208] RBP: 00007ffc892203c0 R08: 00000000034ef7e0 R09: 0000000000000004
>[14918.453210] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14918.453212] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000035a7100
>[14922.912597] swiotlb_tbl_map_single: 10 callbacks suppressed
>[14922.912600] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14922.912607] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14922.912611] CPU: 1 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14922.912614] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14922.912616] Call Trace:
>[14922.912624]  dump_stack+0x85/0xbf
>[14922.912630]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14922.912640]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14922.912650]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14922.912656]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14922.912661]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14922.912669]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14922.912674]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14922.912680]  ? mutex_trylock+0xcd/0xe0
>[14922.912694]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14922.912700]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14922.912749]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14922.912779]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14922.912818]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14922.912825]  ? lock_acquire+0x9f/0x200
>[14922.912851]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14922.912880]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14922.912904]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14922.912911]  ? __might_fault+0x3e/0x90
>[14922.912935]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14922.912949]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14922.912961]  drm_ioctl+0x2d5/0x370 [drm]
>[14922.912986]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14922.913015]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14922.913021]  do_vfs_ioctl+0xa5/0x6e0
>[14922.913028]  SyS_ioctl+0x74/0x80
>[14922.913034]  do_syscall_64+0x79/0x220
>[14922.913039]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14922.913043] RIP: 0033:0x7f07d78580f7
>[14922.913045] RSP: 002b:00007ffc892201c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14922.913049] RAX: ffffffffffffffda RBX: 0000000003244700 RCX: 00007f07d78580f7
>[14922.913051] RDX: 00007ffc89220210 RSI: 00000000c0206440 RDI: 000000000000000b
>[14922.913054] RBP: 00007ffc89220210 R08: 0000000003244700 R09: 0000000000000004
>[14922.913056] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14922.913059] R13: 000000000000000b R14: 00007ffc892202a8 R15: 0000000002ddcce0
>[14923.748188] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14923.748194] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14923.748198] CPU: 0 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14923.748201] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14923.748203] Call Trace:
>[14923.748212]  dump_stack+0x85/0xbf
>[14923.748217]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14923.748227]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14923.748237]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14923.748244]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14923.748249]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14923.748257]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14923.748262]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14923.748268]  ? mutex_trylock+0xcd/0xe0
>[14923.748272]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14923.748277]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14923.748313]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14923.748343]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14923.748376]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14923.748382]  ? lock_acquire+0x9f/0x200
>[14923.748409]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14923.748438]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14923.748464]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14923.748471]  ? __might_fault+0x3e/0x90
>[14923.748497]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14923.748510]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14923.748521]  drm_ioctl+0x2d5/0x370 [drm]
>[14923.748545]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14923.748571]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14923.748578]  do_vfs_ioctl+0xa5/0x6e0
>[14923.748584]  SyS_ioctl+0x74/0x80
>[14923.748590]  do_syscall_64+0x79/0x220
>[14923.748594]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14923.748598] RIP: 0033:0x7f07d78580f7
>[14923.748600] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14923.748603] RAX: ffffffffffffffda RBX: 0000000003176b50 RCX: 00007f07d78580f7
>[14923.748606] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14923.748608] RBP: 00007ffc892203c0 R08: 0000000003176b50 R09: 0000000000000004
>[14923.748610] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14923.748612] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000034ee130
>[14923.758279] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14923.758284] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14923.758288] CPU: 2 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14923.758291] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14923.758294] Call Trace:
>[14923.758304]  dump_stack+0x85/0xbf
>[14923.758311]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14923.758322]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14923.758330]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14923.758336]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14923.758340]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14923.758346]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14923.758350]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14923.758355]  ? mutex_trylock+0xcd/0xe0
>[14923.758359]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14923.758363]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14923.758417]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14923.758447]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14923.758472]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14923.758477]  ? lock_acquire+0x9f/0x200
>[14923.758498]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14923.758519]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14923.758537]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14923.758542]  ? __might_fault+0x3e/0x90
>[14923.758561]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14923.758575]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14923.758582]  drm_ioctl+0x2d5/0x370 [drm]
>[14923.758599]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14923.758618]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14923.758623]  do_vfs_ioctl+0xa5/0x6e0
>[14923.758628]  SyS_ioctl+0x74/0x80
>[14923.758632]  do_syscall_64+0x79/0x220
>[14923.758636]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14923.758638] RIP: 0033:0x7f07d78580f7
>[14923.758640] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14923.758643] RAX: ffffffffffffffda RBX: 0000000003176b50 RCX: 00007f07d78580f7
>[14923.758644] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14923.758646] RBP: 00007ffc892203c0 R08: 0000000003176b50 R09: 0000000000000004
>[14923.758648] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14923.758649] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000034ee130
>[14923.780339] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14923.780345] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14923.780349] CPU: 5 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14923.780361] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14923.780363] Call Trace:
>[14923.780371]  dump_stack+0x85/0xbf
>[14923.780377]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14923.780396]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14923.780416]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14923.780422]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14923.780427]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14923.780445]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14923.780450]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14923.780456]  ? mutex_trylock+0xcd/0xe0
>[14923.780460]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14923.780465]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14923.780522]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14923.780555]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14923.780587]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14923.780620]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14923.780652]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14923.780679]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14923.780686]  ? __might_fault+0x3e/0x90
>[14923.780715]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14923.780727]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14923.780738]  drm_ioctl+0x2d5/0x370 [drm]
>[14923.780764]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14923.780793]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14923.780800]  do_vfs_ioctl+0xa5/0x6e0
>[14923.780807]  SyS_ioctl+0x74/0x80
>[14923.780813]  do_syscall_64+0x79/0x220
>[14923.780818]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14923.780821] RIP: 0033:0x7f07d78580f7
>[14923.780823] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14923.780827] RAX: ffffffffffffffda RBX: 0000000003467cb0 RCX: 00007f07d78580f7
>[14923.780829] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14923.780831] RBP: 00007ffc892203c0 R08: 0000000003467cb0 R09: 0000000000000004
>[14923.780833] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14923.780834] R13: 000000000000000b R14: 00007ffc89220458 R15: 0000000003279690
>[14924.098322] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14925.064691] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14925.064702] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14925.064708] CPU: 0 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14925.064712] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14925.064716] Call Trace:
>[14925.064734]  dump_stack+0x85/0xbf
>[14925.064748]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14925.064772]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14925.064789]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14925.064803]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14925.064811]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14925.064821]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14925.064827]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14925.064837]  ? mutex_trylock+0xcd/0xe0
>[14925.064843]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14925.064851]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14925.064953]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14925.065015]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14925.065068]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14925.065120]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14925.065167]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14925.065205]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14925.065215]  ? __might_fault+0x3e/0x90
>[14925.065251]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14925.065283]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14925.065299]  drm_ioctl+0x2d5/0x370 [drm]
>[14925.065328]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14925.065362]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14925.065370]  do_vfs_ioctl+0xa5/0x6e0
>[14925.065379]  SyS_ioctl+0x74/0x80
>[14925.065387]  do_syscall_64+0x79/0x220
>[14925.065393]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14925.065397] RIP: 0033:0x7f07d78580f7
>[14925.065400] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14925.065405] RAX: ffffffffffffffda RBX: 00000000032e3830 RCX: 00007f07d78580f7
>[14925.065407] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14925.065410] RBP: 00007ffc892203c0 R08: 00000000032e3830 R09: 00007f07d7b1cc50
>[14925.065413] R10: 0000000000000006 R11: 0000000000000246 R12: 00000000c0206440
>[14925.065416] R13: 000000000000000b R14: 00007ffc89220458 R15: 0000000003279690
>[14928.084500] swiotlb_tbl_map_single: 42 callbacks suppressed
>[14928.084503] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14928.084510] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14928.084514] CPU: 4 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14928.084517] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14928.084520] Call Trace:
>[14928.084529]  dump_stack+0x85/0xbf
>[14928.084535]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14928.084555]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14928.084576]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14928.084584]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14928.084589]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14928.084599]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14928.084605]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14928.084612]  ? mutex_trylock+0xcd/0xe0
>[14928.084617]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14928.084623]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14928.084660]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14928.084694]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14928.084728]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14928.084763]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14928.084795]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14928.084825]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14928.084833]  ? __might_fault+0x3e/0x90
>[14928.084862]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14928.084877]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14928.084890]  drm_ioctl+0x2d5/0x370 [drm]
>[14928.084918]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14928.084950]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14928.084957]  do_vfs_ioctl+0xa5/0x6e0
>[14928.084964]  SyS_ioctl+0x74/0x80
>[14928.084970]  do_syscall_64+0x79/0x220
>[14928.084975]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14928.084979] RIP: 0033:0x7f6f9ac700f7
>[14928.084981] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14928.084985] RAX: ffffffffffffffda RBX: 000055d0ad885120 RCX: 00007f6f9ac700f7
>[14928.084988] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14928.084991] RBP: 00007ffd10a897b0 R08: 000055d0ad885120 R09: 000000000000000b
>[14928.084993] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14928.084996] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad7dfd00
>[14931.190879] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14931.190883] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14931.190886] CPU: 7 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14931.190887] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14931.190889] Call Trace:
>[14931.190896]  dump_stack+0x85/0xbf
>[14931.190901]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14931.190909]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14931.190916]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14931.190920]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14931.190924]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14931.190930]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14931.190933]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14931.190938]  ? mutex_trylock+0xcd/0xe0
>[14931.190941]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14931.190945]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14931.190977]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14931.191005]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14931.191028]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14931.191050]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14931.191071]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14931.191089]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14931.191094]  ? __might_fault+0x3e/0x90
>[14931.191112]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14931.191123]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14931.191130]  drm_ioctl+0x2d5/0x370 [drm]
>[14931.191146]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14931.191165]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14931.191170]  do_vfs_ioctl+0xa5/0x6e0
>[14931.191174]  SyS_ioctl+0x74/0x80
>[14931.191179]  do_syscall_64+0x79/0x220
>[14931.191182]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14931.191185] RIP: 0033:0x7f6f9ac700f7
>[14931.191187] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14931.191189] RAX: ffffffffffffffda RBX: 000055d0ad44efe0 RCX: 00007f6f9ac700f7
>[14931.191191] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14931.191192] RBP: 00007ffd10a897b0 R08: 000055d0ad44efe0 R09: 0000000000000004
>[14931.191194] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14931.191195] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad971f70
>[14932.704014] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14932.704022] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14932.704028] CPU: 0 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14932.704031] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14932.704034] Call Trace:
>[14932.704045]  dump_stack+0x85/0xbf
>[14932.704054]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14932.704070]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14932.704085]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14932.704096]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14932.704105]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14932.704118]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14932.704126]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14932.704136]  ? mutex_trylock+0xcd/0xe0
>[14932.704143]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14932.704150]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14932.704266]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14932.704337]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14932.704395]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14932.704405]  ? trace_hardirqs_on_thunk+0x1a/0x1c
>[14932.704457]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14932.704500]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14932.704528]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14932.704535]  ? __might_fault+0x3e/0x90
>[14932.704562]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14932.704587]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14932.704600]  drm_ioctl+0x2d5/0x370 [drm]
>[14932.704622]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14932.704649]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14932.704659]  do_vfs_ioctl+0xa5/0x6e0
>[14932.704665]  SyS_ioctl+0x74/0x80
>[14932.704673]  do_syscall_64+0x79/0x220
>[14932.704679]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14932.704683] RIP: 0033:0x7f07d78580f7
>[14932.704686] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14932.704689] RAX: ffffffffffffffda RBX: 000000000335ca90 RCX: 00007f07d78580f7
>[14932.704692] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14932.704694] RBP: 00007ffc892203c0 R08: 000000000335ca90 R09: 0000000000000004
>[14932.704696] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14932.704698] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000033e0740
>[14939.278320] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14939.278326] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14939.278329] CPU: 0 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14939.278331] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14939.278333] Call Trace:
>[14939.278341]  dump_stack+0x85/0xbf
>[14939.278347]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14939.278357]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14939.278366]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14939.278371]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14939.278376]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14939.278381]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14939.278385]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14939.278390]  ? mutex_trylock+0xcd/0xe0
>[14939.278393]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14939.278398]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14939.278437]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14939.278467]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14939.278493]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14939.278520]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14939.278549]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14939.278574]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14939.278581]  ? __might_fault+0x3e/0x90
>[14939.278605]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14939.278620]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14939.278629]  drm_ioctl+0x2d5/0x370 [drm]
>[14939.278646]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14939.278665]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14939.278670]  do_vfs_ioctl+0xa5/0x6e0
>[14939.278674]  SyS_ioctl+0x74/0x80
>[14939.278679]  do_syscall_64+0x79/0x220
>[14939.278684]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14939.278687] RIP: 0033:0x7f07d78580f7
>[14939.278690] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14939.278693] RAX: ffffffffffffffda RBX: 000000000329c860 RCX: 00007f07d78580f7
>[14939.278695] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14939.278698] RBP: 00007ffc892203c0 R08: 000000000329c860 R09: 0000000000000004
>[14939.278700] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14939.278702] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000032ec2d0
>[14939.298268] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14939.298274] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14939.298278] CPU: 1 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14939.298281] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14939.298284] Call Trace:
>[14939.298293]  dump_stack+0x85/0xbf
>[14939.298299]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14939.298306]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14939.298315]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14939.298322]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14939.298328]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14939.298335]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14939.298339]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14939.298345]  ? mutex_trylock+0xcd/0xe0
>[14939.298348]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14939.298353]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14939.298392]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14939.298418]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14939.298444]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14939.298467]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14939.298487]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14939.298505]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14939.298511]  ? __might_fault+0x3e/0x90
>[14939.298528]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14939.298541]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14939.298549]  drm_ioctl+0x2d5/0x370 [drm]
>[14939.298568]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14939.298587]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14939.298593]  do_vfs_ioctl+0xa5/0x6e0
>[14939.298597]  SyS_ioctl+0x74/0x80
>[14939.298602]  do_syscall_64+0x79/0x220
>[14939.298605]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14939.298608] RIP: 0033:0x7f07d78580f7
>[14939.298610] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14939.298612] RAX: ffffffffffffffda RBX: 000000000329c860 RCX: 00007f07d78580f7
>[14939.298614] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14939.298615] RBP: 00007ffc892203c0 R08: 000000000329c860 R09: 0000000000000004
>[14939.298617] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14939.298619] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000032ec2d0
>[14940.098336] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14940.651835] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14940.651841] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14940.651845] CPU: 5 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14940.651847] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14940.651850] Call Trace:
>[14940.651858]  dump_stack+0x85/0xbf
>[14940.651863]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14940.651872]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14940.651881]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14940.651889]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14940.651895]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14940.651903]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14940.651908]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14940.651915]  ? mutex_trylock+0xcd/0xe0
>[14940.651919]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14940.651925]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14940.651965]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14940.651993]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14940.652021]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14940.652044]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14940.652063]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14940.652079]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14940.652085]  ? __might_fault+0x3e/0x90
>[14940.652101]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14940.652114]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14940.652121]  drm_ioctl+0x2d5/0x370 [drm]
>[14940.652138]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14940.652157]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14940.652162]  do_vfs_ioctl+0xa5/0x6e0
>[14940.652167]  SyS_ioctl+0x74/0x80
>[14940.652172]  do_syscall_64+0x79/0x220
>[14940.652175]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14940.652178] RIP: 0033:0x7f6f9ac700f7
>[14940.652180] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14940.652184] RAX: ffffffffffffffda RBX: 000055d0ad504140 RCX: 00007f6f9ac700f7
>[14940.652185] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14940.652187] RBP: 00007ffd10a897b0 R08: 000055d0ad504140 R09: 000000000000000b
>[14940.652189] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14940.652191] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad83d270
>[14942.032814] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14942.032819] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14942.032822] CPU: 1 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14942.032824] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14942.032826] Call Trace:
>[14942.032834]  dump_stack+0x85/0xbf
>[14942.032838]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14942.032846]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14942.032853]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14942.032858]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14942.032862]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14942.032869]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14942.032872]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14942.032877]  ? mutex_trylock+0xcd/0xe0
>[14942.032880]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14942.032884]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14942.032921]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14942.032945]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14942.032967]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14942.032989]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14942.033009]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14942.033028]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14942.033033]  ? __might_fault+0x3e/0x90
>[14942.033051]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14942.033062]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14942.033072]  drm_ioctl+0x2d5/0x370 [drm]
>[14942.033091]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14942.033111]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14942.033116]  do_vfs_ioctl+0xa5/0x6e0
>[14942.033121]  SyS_ioctl+0x74/0x80
>[14942.033125]  do_syscall_64+0x79/0x220
>[14942.033129]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14942.033132] RIP: 0033:0x7f6f9ac700f7
>[14942.033133] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14942.033136] RAX: ffffffffffffffda RBX: 000055d0ad535650 RCX: 00007f6f9ac700f7
>[14942.033138] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14942.033140] RBP: 00007ffd10a897b0 R08: 000055d0ad535650 R09: 000000000000000b
>[14942.033142] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14942.033144] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad82eae0
>[14942.052797] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14942.052803] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14942.052808] CPU: 2 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14942.052811] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14942.052814] Call Trace:
>[14942.052822]  dump_stack+0x85/0xbf
>[14942.052828]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14942.052839]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14942.052850]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14942.052859]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14942.052865]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14942.052875]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14942.052881]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14942.052888]  ? mutex_trylock+0xcd/0xe0
>[14942.052893]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14942.052899]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14942.052939]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14942.052973]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14942.053008]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14942.053042]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14942.053075]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14942.053103]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14942.053110]  ? __might_fault+0x3e/0x90
>[14942.053140]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14942.053157]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14942.053171]  drm_ioctl+0x2d5/0x370 [drm]
>[14942.053200]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14942.053233]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14942.053240]  do_vfs_ioctl+0xa5/0x6e0
>[14942.053248]  SyS_ioctl+0x74/0x80
>[14942.053255]  do_syscall_64+0x79/0x220
>[14942.053261]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14942.053265] RIP: 0033:0x7f07d78580f7
>[14942.053268] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14942.053273] RAX: ffffffffffffffda RBX: 0000000003176b50 RCX: 00007f07d78580f7
>[14942.053276] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14942.053279] RBP: 00007ffc892203c0 R08: 0000000003176b50 R09: 0000000000000004
>[14942.053282] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14942.053284] R13: 000000000000000b R14: 00007ffc89220458 R15: 000000000348caf0
>[14944.335853] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14944.335867] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14944.335870] CPU: 5 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14944.335872] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14944.335874] Call Trace:
>[14944.335880]  dump_stack+0x85/0xbf
>[14944.335894]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14944.335901]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14944.335910]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14944.335915]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14944.335919]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14944.335924]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14944.335928]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14944.335932]  ? mutex_trylock+0xcd/0xe0
>[14944.335935]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14944.335939]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14944.335967]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14944.335987]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14944.336008]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14944.336038]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14944.336059]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14944.336076]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14944.336082]  ? __might_fault+0x3e/0x90
>[14944.336099]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14944.336111]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14944.336118]  drm_ioctl+0x2d5/0x370 [drm]
>[14944.336135]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14944.336164]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14944.336169]  do_vfs_ioctl+0xa5/0x6e0
>[14944.336173]  SyS_ioctl+0x74/0x80
>[14944.336178]  do_syscall_64+0x79/0x220
>[14944.336181]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14944.336183] RIP: 0033:0x7f07d78580f7
>[14944.336185] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14944.336187] RAX: ffffffffffffffda RBX: 0000000003467cb0 RCX: 00007f07d78580f7
>[14944.336189] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14944.336190] RBP: 00007ffc892203c0 R08: 0000000003467cb0 R09: 0000000000000004
>[14944.336192] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14944.336193] R13: 000000000000000b R14: 00007ffc89220458 R15: 000000000348caf0
>[14945.246040] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14945.246047] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14945.246051] CPU: 3 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14945.246054] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14945.246057] Call Trace:
>[14945.246065]  dump_stack+0x85/0xbf
>[14945.246071]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14945.246082]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14945.246093]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14945.246101]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14945.246107]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14945.246116]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14945.246122]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14945.246129]  ? mutex_trylock+0xcd/0xe0
>[14945.246134]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14945.246141]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14945.246177]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14945.246209]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14945.246244]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14945.246277]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14945.246310]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14945.246338]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14945.246346]  ? __might_fault+0x3e/0x90
>[14945.246375]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14945.246391]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14945.246403]  drm_ioctl+0x2d5/0x370 [drm]
>[14945.246433]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14945.246465]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14945.246472]  do_vfs_ioctl+0xa5/0x6e0
>[14945.246479]  SyS_ioctl+0x74/0x80
>[14945.246486]  do_syscall_64+0x79/0x220
>[14945.246492]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14945.246496] RIP: 0033:0x7f07d78580f7
>[14945.246499] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14945.246503] RAX: ffffffffffffffda RBX: 00000000033e2150 RCX: 00007f07d78580f7
>[14945.246506] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14945.246508] RBP: 00007ffc892203c0 R08: 00000000033e2150 R09: 0000000000000004
>[14945.246510] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14945.246512] R13: 000000000000000b R14: 00007ffc89220458 R15: 000000000346e0e0
>[14946.975506] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14946.975512] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14946.975516] CPU: 7 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14946.975519] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14946.975521] Call Trace:
>[14946.975528]  dump_stack+0x85/0xbf
>[14946.975534]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14946.975544]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14946.975553]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14946.975560]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14946.975566]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14946.975574]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14946.975579]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14946.975586]  ? mutex_trylock+0xcd/0xe0
>[14946.975590]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14946.975596]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14946.975636]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14946.975669]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14946.975702]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14946.975732]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14946.975764]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14946.975788]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14946.975796]  ? __might_fault+0x3e/0x90
>[14946.975815]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14946.975827]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14946.975835]  drm_ioctl+0x2d5/0x370 [drm]
>[14946.975852]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14946.975872]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14946.975877]  do_vfs_ioctl+0xa5/0x6e0
>[14946.975882]  SyS_ioctl+0x74/0x80
>[14946.975886]  do_syscall_64+0x79/0x220
>[14946.975890]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14946.975893] RIP: 0033:0x7f07d78580f7
>[14946.975895] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14946.975898] RAX: ffffffffffffffda RBX: 00000000034ef7e0 RCX: 00007f07d78580f7
>[14946.975900] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14946.975902] RBP: 00007ffc892203c0 R08: 00000000034ef7e0 R09: 0000000000000004
>[14946.975903] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14946.975905] R13: 000000000000000b R14: 00007ffc89220458 R15: 0000000003279690
>[14947.033417] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14947.033424] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14947.033428] CPU: 3 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14947.033430] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14947.033432] Call Trace:
>[14947.033440]  dump_stack+0x85/0xbf
>[14947.033445]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14947.033455]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14947.033465]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14947.033471]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14947.033477]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14947.033484]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14947.033489]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14947.033496]  ? mutex_trylock+0xcd/0xe0
>[14947.033500]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14947.033505]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14947.033543]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14947.033576]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14947.033611]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14947.033643]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14947.033670]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14947.033697]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14947.033704]  ? __might_fault+0x3e/0x90
>[14947.033733]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14947.033748]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14947.033758]  drm_ioctl+0x2d5/0x370 [drm]
>[14947.033782]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14947.033822]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14947.033831]  do_vfs_ioctl+0xa5/0x6e0
>[14947.033838]  SyS_ioctl+0x74/0x80
>[14947.033845]  do_syscall_64+0x79/0x220
>[14947.033851]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14947.033855] RIP: 0033:0x7f07d78580f7
>[14947.033858] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14947.033862] RAX: ffffffffffffffda RBX: 000000000327ebc0 RCX: 00007f07d78580f7
>[14947.033864] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14947.033867] RBP: 00007ffc892203c0 R08: 000000000327ebc0 R09: 000000000000000b
>[14947.033869] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14947.033872] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000033e0740
>[14947.198955] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14947.198959] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14947.198963] CPU: 6 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14947.198964] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14947.198966] Call Trace:
>[14947.198973]  dump_stack+0x85/0xbf
>[14947.198977]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14947.198985]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14947.198991]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14947.198997]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14947.199001]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14947.199007]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14947.199010]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14947.199015]  ? mutex_trylock+0xcd/0xe0
>[14947.199019]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14947.199022]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14947.199057]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14947.199081]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14947.199103]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14947.199126]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14947.199146]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14947.199164]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14947.199179]  ? __might_fault+0x3e/0x90
>[14947.199197]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14947.199220]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14947.199227]  drm_ioctl+0x2d5/0x370 [drm]
>[14947.199244]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14947.199263]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14947.199268]  do_vfs_ioctl+0xa5/0x6e0
>[14947.199272]  SyS_ioctl+0x74/0x80
>[14947.199277]  do_syscall_64+0x79/0x220
>[14947.199280]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14947.199283] RIP: 0033:0x7f07d78580f7
>[14947.199285] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14947.199288] RAX: ffffffffffffffda RBX: 0000000003296c40 RCX: 00007f07d78580f7
>[14947.199290] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14947.199291] RBP: 00007ffc892203c0 R08: 0000000003296c40 R09: 0000000000000004
>[14947.199293] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14947.199295] R13: 000000000000000b R14: 00007ffc89220458 R15: 000000000346ea80
>[14949.817181] swiotlb_tbl_map_single: 8 callbacks suppressed
>[14949.817184] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14949.817190] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14949.817194] CPU: 1 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14949.817197] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14949.817199] Call Trace:
>[14949.817207]  dump_stack+0x85/0xbf
>[14949.817213]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14949.817223]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14949.817234]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14949.817242]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14949.817248]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14949.817258]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14949.817263]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14949.817270]  ? mutex_trylock+0xcd/0xe0
>[14949.817275]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14949.817282]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14949.817320]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14949.817351]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14949.817387]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14949.817420]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14949.817452]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14949.817480]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14949.817487]  ? __might_fault+0x3e/0x90
>[14949.817516]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14949.817532]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14949.817546]  drm_ioctl+0x2d5/0x370 [drm]
>[14949.817582]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14949.817613]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14949.817620]  do_vfs_ioctl+0xa5/0x6e0
>[14949.817627]  SyS_ioctl+0x74/0x80
>[14949.817633]  do_syscall_64+0x79/0x220
>[14949.817637]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14949.817641] RIP: 0033:0x7f6f9ac700f7
>[14949.817644] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14949.817648] RAX: ffffffffffffffda RBX: 000055d0ad96a6d0 RCX: 00007f6f9ac700f7
>[14949.817651] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14949.817653] RBP: 00007ffd10a897b0 R08: 000055d0ad96a6d0 R09: 0000000000000004
>[14949.817656] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14949.817658] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad5338b0
>[14951.030345] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14951.030351] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14951.030355] CPU: 4 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14951.030358] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14951.030360] Call Trace:
>[14951.030368]  dump_stack+0x85/0xbf
>[14951.030374]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14951.030384]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14951.030394]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14951.030401]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14951.030407]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14951.030416]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14951.030421]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14951.030428]  ? mutex_trylock+0xcd/0xe0
>[14951.030433]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14951.030439]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14951.030480]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14951.030510]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14951.030540]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14951.030571]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14951.030602]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14951.030629]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14951.030635]  ? __might_fault+0x3e/0x90
>[14951.030664]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14951.030679]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14951.030690]  drm_ioctl+0x2d5/0x370 [drm]
>[14951.030717]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14951.030748]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14951.030755]  do_vfs_ioctl+0xa5/0x6e0
>[14951.030763]  SyS_ioctl+0x74/0x80
>[14951.030769]  do_syscall_64+0x79/0x220
>[14951.030773]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14951.030777] RIP: 0033:0x7f6f9ac700f7
>[14951.030780] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14951.030785] RAX: ffffffffffffffda RBX: 000055d0ad5185c0 RCX: 00007f6f9ac700f7
>[14951.030787] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14951.030790] RBP: 00007ffd10a897b0 R08: 000055d0ad5185c0 R09: 0000000000000004
>[14951.030793] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14951.030795] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0acf81e00
>[14952.414774] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14952.414778] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14952.414781] CPU: 7 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14952.414783] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14952.414784] Call Trace:
>[14952.414790]  dump_stack+0x85/0xbf
>[14952.414794]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14952.414802]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14952.414810]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14952.414815]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14952.414819]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14952.414825]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14952.414829]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14952.414834]  ? mutex_trylock+0xcd/0xe0
>[14952.414837]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14952.414841]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14952.414881]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14952.414909]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14952.414933]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14952.414959]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14952.414980]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14952.414997]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14952.415002]  ? __might_fault+0x3e/0x90
>[14952.415020]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14952.415031]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14952.415038]  drm_ioctl+0x2d5/0x370 [drm]
>[14952.415054]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14952.415074]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14952.415079]  do_vfs_ioctl+0xa5/0x6e0
>[14952.415083]  SyS_ioctl+0x74/0x80
>[14952.415088]  do_syscall_64+0x79/0x220
>[14952.415091]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14952.415093] RIP: 0033:0x7f07d78580f7
>[14952.415095] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14952.415098] RAX: ffffffffffffffda RBX: 0000000003496080 RCX: 00007f07d78580f7
>[14952.415099] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14952.415101] RBP: 00007ffc892203c0 R08: 0000000003496080 R09: 0000000000000004
>[14952.415103] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14952.415104] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000032444a0
>[14956.098365] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14956.411817] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14956.411822] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14956.411825] CPU: 0 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14956.411827] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14956.411828] Call Trace:
>[14956.411835]  dump_stack+0x85/0xbf
>[14956.411840]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14956.411847]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14956.411854]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14956.411859]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14956.411863]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14956.411869]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14956.411872]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14956.411877]  ? mutex_trylock+0xcd/0xe0
>[14956.411880]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14956.411884]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14956.411917]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14956.411946]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14956.411976]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14956.412004]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14956.412031]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14956.412055]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14956.412061]  ? __might_fault+0x3e/0x90
>[14956.412087]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14956.412101]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14956.412114]  drm_ioctl+0x2d5/0x370 [drm]
>[14956.412139]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14956.412158]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14956.412163]  do_vfs_ioctl+0xa5/0x6e0
>[14956.412168]  SyS_ioctl+0x74/0x80
>[14956.412172]  do_syscall_64+0x79/0x220
>[14956.412175]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14956.412178] RIP: 0033:0x7f07d78580f7
>[14956.412180] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14956.412183] RAX: ffffffffffffffda RBX: 000000000329c860 RCX: 00007f07d78580f7
>[14956.412185] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14956.412186] RBP: 00007ffc892203c0 R08: 000000000329c860 R09: 0000000000000004
>[14956.412188] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14956.412190] R13: 000000000000000b R14: 00007ffc89220458 R15: 0000000003477ae0
>[14956.424179] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14956.424184] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14956.424187] CPU: 0 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14956.424188] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14956.424190] Call Trace:
>[14956.424197]  dump_stack+0x85/0xbf
>[14956.424201]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14956.424209]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14956.424215]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14956.424220]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14956.424224]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14956.424229]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14956.424233]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14956.424238]  ? mutex_trylock+0xcd/0xe0
>[14956.424241]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14956.424245]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14956.424291]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14956.424313]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14956.424335]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14956.424357]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14956.424378]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14956.424396]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14956.424401]  ? __might_fault+0x3e/0x90
>[14956.424418]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14956.424429]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14956.424436]  drm_ioctl+0x2d5/0x370 [drm]
>[14956.424453]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14956.424472]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14956.424477]  do_vfs_ioctl+0xa5/0x6e0
>[14956.424481]  SyS_ioctl+0x74/0x80
>[14956.424486]  do_syscall_64+0x79/0x220
>[14956.424490]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14956.424492] RIP: 0033:0x7f07d78580f7
>[14956.424494] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14956.424498] RAX: ffffffffffffffda RBX: 000000000329c860 RCX: 00007f07d78580f7
>[14956.424500] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14956.424503] RBP: 00007ffc892203c0 R08: 000000000329c860 R09: 0000000000000004
>[14956.424505] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14956.424508] R13: 000000000000000b R14: 00007ffc89220458 R15: 0000000003477ae0
>[14959.126190] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14959.126194] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14959.126197] CPU: 4 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14959.126199] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14959.126200] Call Trace:
>[14959.126207]  dump_stack+0x85/0xbf
>[14959.126211]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14959.126219]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14959.126226]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14959.126231]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14959.126235]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14959.126242]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14959.126247]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14959.126253]  ? mutex_trylock+0xcd/0xe0
>[14959.126257]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14959.126261]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14959.126295]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14959.126318]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14959.126339]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14959.126359]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14959.126380]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14959.126396]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14959.126402]  ? __might_fault+0x3e/0x90
>[14959.126420]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14959.126432]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14959.126439]  drm_ioctl+0x2d5/0x370 [drm]
>[14959.126456]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14959.126475]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14959.126480]  do_vfs_ioctl+0xa5/0x6e0
>[14959.126485]  SyS_ioctl+0x74/0x80
>[14959.126489]  do_syscall_64+0x79/0x220
>[14959.126493]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14959.126495] RIP: 0033:0x7f6f9ac700f7
>[14959.126497] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14959.126500] RAX: ffffffffffffffda RBX: 000055d0ad82cab0 RCX: 00007f6f9ac700f7
>[14959.126503] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14959.126505] RBP: 00007ffd10a897b0 R08: 000055d0ad82cab0 R09: 000000000000000b
>[14959.126507] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14959.126509] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad7786d0
>[14959.153077] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14959.153082] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14959.153086] CPU: 0 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14959.153089] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14959.153091] Call Trace:
>[14959.153099]  dump_stack+0x85/0xbf
>[14959.153105]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14959.153115]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14959.153124]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14959.153132]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14959.153137]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14959.153146]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14959.153151]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14959.153158]  ? mutex_trylock+0xcd/0xe0
>[14959.153162]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14959.153168]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14959.153203]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14959.153234]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14959.153264]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14959.153294]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14959.153323]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14959.153348]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14959.153355]  ? __might_fault+0x3e/0x90
>[14959.153381]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14959.153397]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14959.153408]  drm_ioctl+0x2d5/0x370 [drm]
>[14959.153432]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14959.153459]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14959.153466]  do_vfs_ioctl+0xa5/0x6e0
>[14959.153473]  SyS_ioctl+0x74/0x80
>[14959.153479]  do_syscall_64+0x79/0x220
>[14959.153484]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14959.153488] RIP: 0033:0x7f6f9ac700f7
>[14959.153490] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14959.153494] RAX: ffffffffffffffda RBX: 000055d0ad51c150 RCX: 00007f6f9ac700f7
>[14959.153497] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14959.153499] RBP: 00007ffd10a897b0 R08: 000055d0ad51c150 R09: 000000000000000b
>[14959.153502] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14959.153504] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad829970
>[14959.377541] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14959.377547] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14959.377551] CPU: 2 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14959.377554] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14959.377556] Call Trace:
>[14959.377564]  dump_stack+0x85/0xbf
>[14959.377569]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14959.377576]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14959.377583]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14959.377599]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14959.377603]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14959.377609]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14959.377623]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14959.377628]  ? mutex_trylock+0xcd/0xe0
>[14959.377631]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14959.377635]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14959.377666]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14959.377688]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14959.377709]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14959.377724]  ? lock_acquire+0x9f/0x200
>[14959.377744]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14959.377765]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14959.377784]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14959.377790]  ? __might_fault+0x3e/0x90
>[14959.377809]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14959.377826]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14959.377838]  drm_ioctl+0x2d5/0x370 [drm]
>[14959.377868]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14959.377900]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14959.377907]  do_vfs_ioctl+0xa5/0x6e0
>[14959.377915]  SyS_ioctl+0x74/0x80
>[14959.377922]  do_syscall_64+0x79/0x220
>[14959.377927]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14959.377931] RIP: 0033:0x7f07d78580f7
>[14959.377933] RSP: 002b:00007ffc892201c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14959.377938] RAX: ffffffffffffffda RBX: 000000000328d3c0 RCX: 00007f07d78580f7
>[14959.377940] RDX: 00007ffc89220210 RSI: 00000000c0206440 RDI: 000000000000000b
>[14959.377943] RBP: 00007ffc89220210 R08: 000000000328d3c0 R09: 0000000000000004
>[14959.377946] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14959.377948] R13: 000000000000000b R14: 00007ffc892202a8 R15: 0000000003477ae0
>[14962.139550] swiotlb_tbl_map_single: 4 callbacks suppressed
>[14962.139552] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14962.139557] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14962.139560] CPU: 3 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14962.139562] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14962.139563] Call Trace:
>[14962.139570]  dump_stack+0x85/0xbf
>[14962.139574]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14962.139582]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14962.139589]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14962.139594]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14962.139598]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14962.139604]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14962.139608]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14962.139613]  ? mutex_trylock+0xcd/0xe0
>[14962.139617]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14962.139622]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14962.139662]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14962.139686]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14962.139708]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14962.139730]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14962.139751]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14962.139768]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14962.139774]  ? __might_fault+0x3e/0x90
>[14962.139796]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14962.139809]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14962.139820]  drm_ioctl+0x2d5/0x370 [drm]
>[14962.139843]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14962.139871]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14962.139877]  do_vfs_ioctl+0xa5/0x6e0
>[14962.139883]  SyS_ioctl+0x74/0x80
>[14962.139889]  do_syscall_64+0x79/0x220
>[14962.139893]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14962.139896] RIP: 0033:0x7f07d78580f7
>[14962.139898] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14962.139902] RAX: ffffffffffffffda RBX: 00000000033e24a0 RCX: 00007f07d78580f7
>[14962.139904] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14962.139906] RBP: 00007ffc892203c0 R08: 00000000033e24a0 R09: 0000000000000004
>[14962.139908] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14962.139911] R13: 000000000000000b R14: 00007ffc89220458 R15: 0000000002f70550
>[14962.160739] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14962.160743] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14962.160745] CPU: 3 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14962.160747] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14962.160749] Call Trace:
>[14962.160754]  dump_stack+0x85/0xbf
>[14962.160759]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14962.160765]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14962.160772]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14962.160776]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14962.160780]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14962.160785]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14962.160789]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14962.160794]  ? mutex_trylock+0xcd/0xe0
>[14962.160797]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14962.160800]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14962.160833]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14962.160856]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14962.160878]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14962.160899]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14962.160919]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14962.160936]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14962.160941]  ? __might_fault+0x3e/0x90
>[14962.160958]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14962.160969]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14962.160976]  drm_ioctl+0x2d5/0x370 [drm]
>[14962.160992]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14962.161012]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14962.161017]  do_vfs_ioctl+0xa5/0x6e0
>[14962.161021]  SyS_ioctl+0x74/0x80
>[14962.161025]  do_syscall_64+0x79/0x220
>[14962.161028]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14962.161031] RIP: 0033:0x7f07d78580f7
>[14962.161033] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14962.161035] RAX: ffffffffffffffda RBX: 00000000033e24a0 RCX: 00007f07d78580f7
>[14962.161037] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14962.161039] RBP: 00007ffc892203c0 R08: 00000000033e24a0 R09: 0000000000000004
>[14962.161040] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14962.161042] R13: 000000000000000b R14: 00007ffc89220458 R15: 0000000002f70550
>[14962.186120] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14962.186125] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14962.186128] CPU: 4 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14962.186129] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14962.186131] Call Trace:
>[14962.186138]  dump_stack+0x85/0xbf
>[14962.186143]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14962.186151]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14962.186158]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14962.186164]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14962.186169]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14962.186177]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14962.186182]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14962.186189]  ? mutex_trylock+0xcd/0xe0
>[14962.186194]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14962.186200]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14962.186239]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14962.186266]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14962.186287]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14962.186309]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14962.186334]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14962.186353]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14962.186359]  ? __might_fault+0x3e/0x90
>[14962.186379]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14962.186397]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14962.186406]  drm_ioctl+0x2d5/0x370 [drm]
>[14962.186423]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14962.186442]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14962.186448]  do_vfs_ioctl+0xa5/0x6e0
>[14962.186454]  SyS_ioctl+0x74/0x80
>[14962.186460]  do_syscall_64+0x79/0x220
>[14962.186465]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14962.186467] RIP: 0033:0x7f07d78580f7
>[14962.186469] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14962.186473] RAX: ffffffffffffffda RBX: 000000000329c860 RCX: 00007f07d78580f7
>[14962.186475] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14962.186477] RBP: 00007ffc892203c0 R08: 000000000329c860 R09: 0000000000000004
>[14962.186479] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14962.186482] R13: 000000000000000b R14: 00007ffc89220458 R15: 000000000346e0e0
>[14963.767898] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14963.767905] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14963.767909] CPU: 4 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14963.767911] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14963.767914] Call Trace:
>[14963.767921]  dump_stack+0x85/0xbf
>[14963.767927]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14963.767937]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14963.767946]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14963.767953]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14963.767959]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14963.767968]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14963.767973]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14963.767980]  ? mutex_trylock+0xcd/0xe0
>[14963.767984]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14963.767990]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14963.768028]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14963.768061]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14963.768093]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14963.768124]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14963.768155]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14963.768181]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14963.768189]  ? __might_fault+0x3e/0x90
>[14963.768215]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14963.768230]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14963.768242]  drm_ioctl+0x2d5/0x370 [drm]
>[14963.768268]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14963.768299]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14963.768306]  do_vfs_ioctl+0xa5/0x6e0
>[14963.768313]  SyS_ioctl+0x74/0x80
>[14963.768319]  do_syscall_64+0x79/0x220
>[14963.768323]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14963.768327] RIP: 0033:0x7f07d78580f7
>[14963.768330] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14963.768333] RAX: ffffffffffffffda RBX: 000000000345f260 RCX: 00007f07d78580f7
>[14963.768336] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14963.768338] RBP: 00007ffc892203c0 R08: 000000000345f260 R09: 0000000000000004
>[14963.768340] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14963.768342] R13: 000000000000000b R14: 00007ffc89220458 R15: 000000000346ea80
>[14963.791829] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14963.791836] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14963.791840] CPU: 2 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14963.791843] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14963.791846] Call Trace:
>[14963.791857]  dump_stack+0x85/0xbf
>[14963.791865]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14963.791880]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14963.791892]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14963.791901]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14963.791907]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14963.791917]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14963.791922]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14963.791929]  ? mutex_trylock+0xcd/0xe0
>[14963.791934]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14963.791940]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14963.792028]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14963.792101]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14963.792163]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14963.792225]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14963.792277]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14963.792325]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14963.792338]  ? __might_fault+0x3e/0x90
>[14963.792386]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14963.792425]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14963.792448]  drm_ioctl+0x2d5/0x370 [drm]
>[14963.792493]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14963.792541]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14963.792550]  do_vfs_ioctl+0xa5/0x6e0
>[14963.792558]  SyS_ioctl+0x74/0x80
>[14963.792566]  do_syscall_64+0x79/0x220
>[14963.792572]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14963.792576] RIP: 0033:0x7f07d78580f7
>[14963.792578] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14963.792582] RAX: ffffffffffffffda RBX: 0000000003467cb0 RCX: 00007f07d78580f7
>[14963.792584] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14963.792586] RBP: 00007ffc892203c0 R08: 0000000003467cb0 R09: 0000000000000004
>[14963.792588] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14963.792590] R13: 000000000000000b R14: 00007ffc89220458 R15: 000000000346ee30
>[14967.776966] swiotlb_tbl_map_single: 20 callbacks suppressed
>[14967.776968] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14967.776973] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14967.776976] CPU: 4 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14967.776978] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14967.776979] Call Trace:
>[14967.776985]  dump_stack+0x85/0xbf
>[14967.776989]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14967.776997]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14967.777003]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14967.777008]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14967.777012]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14967.777019]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14967.777024]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14967.777030]  ? mutex_trylock+0xcd/0xe0
>[14967.777034]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14967.777037]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14967.777071]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14967.777096]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14967.777118]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14967.777141]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14967.777161]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14967.777179]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14967.777184]  ? __might_fault+0x3e/0x90
>[14967.777203]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14967.777214]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14967.777222]  drm_ioctl+0x2d5/0x370 [drm]
>[14967.777238]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14967.777257]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14967.777262]  do_vfs_ioctl+0xa5/0x6e0
>[14967.777266]  SyS_ioctl+0x74/0x80
>[14967.777270]  do_syscall_64+0x79/0x220
>[14967.777274]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14967.777276] RIP: 0033:0x7f6f9ac700f7
>[14967.777278] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14967.777280] RAX: ffffffffffffffda RBX: 000055d0ad4c5000 RCX: 00007f6f9ac700f7
>[14967.777282] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14967.777284] RBP: 00007ffd10a897b0 R08: 000055d0ad4c5000 R09: 0000000000000004
>[14967.777285] R10: 000055d0a0338010 R11: 0000000000000246 R12: 00000000c0206440
>[14967.777287] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad726a00
>[14967.796836] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14967.796840] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14967.796843] CPU: 0 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14967.796845] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14967.796847] Call Trace:
>[14967.796853]  dump_stack+0x85/0xbf
>[14967.796858]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14967.796865]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14967.796872]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14967.796877]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14967.796880]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14967.796886]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14967.796890]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14967.796895]  ? mutex_trylock+0xcd/0xe0
>[14967.796899]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14967.796904]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14967.796941]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14967.796965]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14967.796986]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14967.796991]  ? lock_acquire+0x9f/0x200
>[14967.797011]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14967.797032]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14967.797050]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14967.797056]  ? __might_fault+0x3e/0x90
>[14967.797074]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14967.797086]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14967.797094]  drm_ioctl+0x2d5/0x370 [drm]
>[14967.797110]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14967.797129]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14967.797135]  do_vfs_ioctl+0xa5/0x6e0
>[14967.797139]  SyS_ioctl+0x74/0x80
>[14967.797143]  do_syscall_64+0x79/0x220
>[14967.797146]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14967.797149] RIP: 0033:0x7f07d78580f7
>[14967.797151] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14967.797153] RAX: ffffffffffffffda RBX: 000000000325b200 RCX: 00007f07d78580f7
>[14967.797155] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14967.797156] RBP: 00007ffc892203c0 R08: 000000000325b200 R09: 00007f07d7b1ccb0
>[14967.797158] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14967.797159] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000032e48f0
>[14967.845039] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14967.845044] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14967.845049] CPU: 3 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14967.845051] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14967.845054] Call Trace:
>[14967.845062]  dump_stack+0x85/0xbf
>[14967.845068]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14967.845078]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14967.845088]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14967.845094]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14967.845100]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14967.845108]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14967.845114]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14967.845120]  ? mutex_trylock+0xcd/0xe0
>[14967.845125]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14967.845131]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14967.845174]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14967.845206]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14967.845236]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14967.845243]  ? lock_acquire+0x9f/0x200
>[14967.845272]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14967.845301]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14967.845337]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14967.845343]  ? __might_fault+0x3e/0x90
>[14967.845366]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14967.845381]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14967.845393]  drm_ioctl+0x2d5/0x370 [drm]
>[14967.845416]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14967.845445]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14967.845451]  do_vfs_ioctl+0xa5/0x6e0
>[14967.845458]  SyS_ioctl+0x74/0x80
>[14967.845463]  do_syscall_64+0x79/0x220
>[14967.845468]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14967.845471] RIP: 0033:0x7f07d78580f7
>[14967.845474] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14967.845478] RAX: ffffffffffffffda RBX: 000000000346ec50 RCX: 00007f07d78580f7
>[14967.845480] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14967.845482] RBP: 00007ffc892203c0 R08: 000000000346ec50 R09: 00007f07d7b1cd10
>[14967.845485] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14967.845487] R13: 000000000000000b R14: 00007ffc89220458 R15: 000000000346eb80
>[14967.873362] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14967.873368] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14967.873372] CPU: 3 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14967.873375] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14967.873377] Call Trace:
>[14967.873385]  dump_stack+0x85/0xbf
>[14967.873390]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14967.873400]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14967.873409]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14967.873417]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14967.873423]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14967.873432]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14967.873437]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14967.873443]  ? mutex_trylock+0xcd/0xe0
>[14967.873448]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14967.873453]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14967.873489]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14967.873525]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14967.873557]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14967.873564]  ? lock_acquire+0x9f/0x200
>[14967.873595]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14967.873626]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14967.873654]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14967.873661]  ? __might_fault+0x3e/0x90
>[14967.873689]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14967.873704]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14967.873716]  drm_ioctl+0x2d5/0x370 [drm]
>[14967.873743]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14967.873773]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14967.873780]  do_vfs_ioctl+0xa5/0x6e0
>[14967.873786]  SyS_ioctl+0x74/0x80
>[14967.873792]  do_syscall_64+0x79/0x220
>[14967.873797]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14967.873801] RIP: 0033:0x7f07d78580f7
>[14967.873803] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14967.873807] RAX: ffffffffffffffda RBX: 0000000003439130 RCX: 00007f07d78580f7
>[14967.873810] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14967.873812] RBP: 00007ffc892203c0 R08: 0000000003439130 R09: 00007f07d7b1d000
>[14967.873815] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14967.873817] R13: 000000000000000b R14: 00007ffc89220458 R15: 0000000003439060
>[14967.889734] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14967.889739] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14967.889742] CPU: 4 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14967.889743] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14967.889745] Call Trace:
>[14967.889751]  dump_stack+0x85/0xbf
>[14967.889756]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14967.889764]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14967.889770]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14967.889775]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14967.889778]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14967.889784]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14967.889787]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14967.889792]  ? mutex_trylock+0xcd/0xe0
>[14967.889795]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14967.889799]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14967.889829]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14967.889853]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14967.889875]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14967.889880]  ? lock_acquire+0x9f/0x200
>[14967.889901]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14967.889923]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14967.889941]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14967.889947]  ? __might_fault+0x3e/0x90
>[14967.889965]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14967.889978]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14967.889985]  drm_ioctl+0x2d5/0x370 [drm]
>[14967.890002]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14967.890023]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14967.890030]  do_vfs_ioctl+0xa5/0x6e0
>[14967.890037]  SyS_ioctl+0x74/0x80
>[14967.890041]  do_syscall_64+0x79/0x220
>[14967.890044]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14967.890047] RIP: 0033:0x7f07d78580f7
>[14967.890048] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14967.890051] RAX: ffffffffffffffda RBX: 00000000035a71d0 RCX: 00007f07d78580f7
>[14967.890053] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14967.890054] RBP: 00007ffc892203c0 R08: 00000000035a71d0 R09: 00007f07d7b1cd30
>[14967.890056] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14967.890057] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000035a7100
>[14972.097397] Bluetooth: hci0: last event is not cmd complete (0x0f)
>[14973.474394] swiotlb_tbl_map_single: 36 callbacks suppressed
>[14973.474396] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14973.474401] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14973.474404] CPU: 7 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14973.474406] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14973.474408] Call Trace:
>[14973.474414]  dump_stack+0x85/0xbf
>[14973.474419]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14973.474426]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14973.474433]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14973.474438]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14973.474442]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14973.474447]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14973.474451]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14973.474456]  ? mutex_trylock+0xcd/0xe0
>[14973.474459]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14973.474463]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14973.474496]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14973.474520]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14973.474556]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14973.474587]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14973.474610]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14973.474629]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14973.474634]  ? __might_fault+0x3e/0x90
>[14973.474658]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14973.474674]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14973.474683]  drm_ioctl+0x2d5/0x370 [drm]
>[14973.474700]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14973.474730]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14973.474736]  do_vfs_ioctl+0xa5/0x6e0
>[14973.474740]  SyS_ioctl+0x74/0x80
>[14973.474745]  do_syscall_64+0x79/0x220
>[14973.474749]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14973.474751] RIP: 0033:0x7f6f9ac700f7
>[14973.474753] RSP: 002b:00007ffd10a89768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14973.474756] RAX: ffffffffffffffda RBX: 000055d0ad4e7040 RCX: 00007f6f9ac700f7
>[14973.474758] RDX: 00007ffd10a897b0 RSI: 00000000c0206440 RDI: 000000000000000c
>[14973.474759] RBP: 00007ffd10a897b0 R08: 000055d0ad4e7040 R09: 00007f6f9af34ca0
>[14973.474761] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14973.474762] R13: 000000000000000c R14: 00007ffd10a89848 R15: 000055d0ad82dde0
>[14976.947278] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14976.947284] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14976.947288] CPU: 2 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14976.947291] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14976.947294] Call Trace:
>[14976.947302]  dump_stack+0x85/0xbf
>[14976.947308]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14976.947318]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14976.947328]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14976.947336]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14976.947342]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14976.947351]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14976.947356]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14976.947363]  ? mutex_trylock+0xcd/0xe0
>[14976.947368]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14976.947374]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14976.947408]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14976.947439]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14976.947471]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14976.947478]  ? lock_acquire+0x9f/0x200
>[14976.947508]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14976.947540]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14976.947567]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14976.947574]  ? __might_fault+0x3e/0x90
>[14976.947603]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14976.947618]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14976.947630]  drm_ioctl+0x2d5/0x370 [drm]
>[14976.947658]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14976.947689]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14976.947695]  do_vfs_ioctl+0xa5/0x6e0
>[14976.947703]  SyS_ioctl+0x74/0x80
>[14976.947709]  do_syscall_64+0x79/0x220
>[14976.947714]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14976.947718] RIP: 0033:0x7f07d78580f7
>[14976.947720] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14976.947725] RAX: ffffffffffffffda RBX: 0000000003176b50 RCX: 00007f07d78580f7
>[14976.947727] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14976.947730] RBP: 00007ffc892203c0 R08: 0000000003176b50 R09: 0000000000000004
>[14976.947733] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14976.947735] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000034ef7e0
>[14977.122857] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14977.122864] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14977.122869] CPU: 2 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14977.122872] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14977.122875] Call Trace:
>[14977.122886]  dump_stack+0x85/0xbf
>[14977.122892]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14977.122905]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14977.122916]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14977.122925]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14977.122932]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14977.122942]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14977.122948]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14977.122955]  ? mutex_trylock+0xcd/0xe0
>[14977.122961]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14977.122968]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14977.123025]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14977.123061]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14977.123094]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14977.123100]  ? lock_acquire+0x9f/0x200
>[14977.123128]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14977.123159]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14977.123186]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14977.123193]  ? __might_fault+0x3e/0x90
>[14977.123221]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14977.123236]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14977.123249]  drm_ioctl+0x2d5/0x370 [drm]
>[14977.123276]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14977.123308]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14977.123316]  do_vfs_ioctl+0xa5/0x6e0
>[14977.123323]  SyS_ioctl+0x74/0x80
>[14977.123330]  do_syscall_64+0x79/0x220
>[14977.123335]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14977.123339] RIP: 0033:0x7f07d78580f7
>[14977.123342] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14977.123346] RAX: ffffffffffffffda RBX: 00000000033e24a0 RCX: 00007f07d78580f7
>[14977.123349] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14977.123351] RBP: 00007ffc892203c0 R08: 00000000033e24a0 R09: 0000000000000004
>[14977.123354] R10: 00000000022e3010 R11: 0000000000000246 R12: 00000000c0206440
>[14977.123357] R13: 000000000000000b R14: 00007ffc89220458 R15: 0000000003477ae0
>[14977.175923] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14977.175930] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14977.175934] CPU: 3 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14977.175936] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14977.175939] Call Trace:
>[14977.175945]  dump_stack+0x85/0xbf
>[14977.175951]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14977.175961]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14977.175970]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14977.175977]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14977.175982]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14977.175990]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14977.175995]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14977.176001]  ? mutex_trylock+0xcd/0xe0
>[14977.176005]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14977.176011]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14977.176050]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14977.176083]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14977.176127]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14977.176133]  ? lock_acquire+0x9f/0x200
>[14977.176161]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14977.176189]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14977.176217]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14977.176223]  ? __might_fault+0x3e/0x90
>[14977.176248]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14977.176261]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14977.176272]  drm_ioctl+0x2d5/0x370 [drm]
>[14977.176296]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14977.176314]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14977.176319]  do_vfs_ioctl+0xa5/0x6e0
>[14977.176334]  SyS_ioctl+0x74/0x80
>[14977.176339]  do_syscall_64+0x79/0x220
>[14977.176343]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14977.176345] RIP: 0033:0x7f07d78580f7
>[14977.176347] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14977.176350] RAX: ffffffffffffffda RBX: 00000000032ecb30 RCX: 00007f07d78580f7
>[14977.176352] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14977.176354] RBP: 00007ffc892203c0 R08: 00000000032ecb30 R09: 00007f07d7b1ccf0
>[14977.176356] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14977.176358] R13: 000000000000000b R14: 00007ffc89220458 R15: 00000000032ec2d0
>[14977.193886] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14977.193892] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14977.193895] CPU: 1 PID: 1996 Comm: Xwayland Not tainted 4.16.0-rc7 #1
>[14977.193897] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14977.193899] Call Trace:
>[14977.193908]  dump_stack+0x85/0xbf
>[14977.193912]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14977.193920]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14977.193928]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14977.193933]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14977.193937]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14977.193943]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14977.193947]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14977.193952]  ? mutex_trylock+0xcd/0xe0
>[14977.193955]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14977.193959]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14977.193994]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14977.194017]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14977.194039]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14977.194064]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14977.194090]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14977.194120]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14977.194126]  ? __might_fault+0x3e/0x90
>[14977.194144]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14977.194158]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14977.194165]  drm_ioctl+0x2d5/0x370 [drm]
>[14977.194182]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14977.194201]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
>[14977.194206]  do_vfs_ioctl+0xa5/0x6e0
>[14977.194211]  SyS_ioctl+0x74/0x80
>[14977.194216]  do_syscall_64+0x79/0x220
>[14977.194220]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
>[14977.194222] RIP: 0033:0x7f07d78580f7
>[14977.194224] RSP: 002b:00007ffc89220378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[14977.194227] RAX: ffffffffffffffda RBX: 0000000003279240 RCX: 00007f07d78580f7
>[14977.194230] RDX: 00007ffc892203c0 RSI: 00000000c0206440 RDI: 000000000000000b
>[14977.194232] RBP: 00007ffc892203c0 R08: 0000000003279240 R09: 00007f07d7b1ccf0
>[14977.194234] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0206440
>[14977.194237] R13: 000000000000000b R14: 00007ffc89220458 R15: 0000000002f70550
>[14978.484746] swiotlb_tbl_map_single: 26 callbacks suppressed
>[14978.484748] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
>[14978.484755] amdgpu 0000:07:00.0: swiotlb: coherent allocation failed, size=2097152
>[14978.484758] CPU: 7 PID: 1938 Comm: gnome-shell Not tainted 4.16.0-rc7 #1
>[14978.484760] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014
>[14978.484762] Call Trace:
>[14978.484769]  dump_stack+0x85/0xbf
>[14978.484775]  swiotlb_alloc_coherent+0x1be/0x1d0
>[14978.484783]  ttm_dma_pool_get_pages+0x246/0x630 [ttm]
>[14978.484790]  ttm_dma_populate+0x25e/0x350 [ttm]
>[14978.484796]  ttm_tt_bind+0x2c/0x60 [ttm]
>[14978.484801]  ttm_bo_handle_move_mem+0x57f/0x5b0 [ttm]
>[14978.484808]  ttm_bo_validate+0x189/0x1a0 [ttm]
>[14978.484812]  ? ttm_bo_init_reserved+0x43d/0x500 [ttm]
>[14978.484817]  ? mutex_trylock+0xcd/0xe0
>[14978.484821]  ? ttm_bo_evict+0x4d/0x360 [ttm]
>[14978.484825]  ttm_bo_init_reserved+0x459/0x500 [ttm]
>[14978.484864]  amdgpu_bo_do_create+0x22e/0x590 [amdgpu]
>[14978.484898]  ? amdgpu_fill_buffer+0x300/0x300 [amdgpu]
>[14978.484930]  amdgpu_bo_create+0x50/0x2d0 [amdgpu]
>[14978.484961]  amdgpu_gem_object_create+0x7f/0x110 [amdgpu]
>[14978.484990]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14978.485016]  amdgpu_gem_create_ioctl+0x1e8/0x280 [amdgpu]
>[14978.485023]  ? __might_fault+0x3e/0x90
>[14978.485050]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14978.485067]  drm_ioctl_kernel+0x5b/0xb0 [drm]
>[14978.485079]  drm_ioctl+0x2d5/0x370 [drm]
>[14978.485102]  ? amdgpu_gem_object_close+0x210/0x210 [amdgpu]
>[14978.485129]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]