Attachment 131627 Details for Bug 101263 – dmesg.log

dmesg.log

dmesg.log (text/plain), 91.92 KB, created by Humberto Israel Perez Rodriguez on 2017-06-01 00:02:27 UTC

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Creator: Humberto Israel Perez Rodriguez

Created: 2017-06-01 00:02:27 UTC

Size: 91.92 KB

patch

obsolete

>[    0.000000] Linux version 4.12.0-rc3-drm-tip-ww22-commit-4aa1d46+ (gfx@bifrost) (gcc version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.4) ) #1 SMP PREEMPT Wed May 31 08:04:10 CDT 2017
>[    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-4.12.0-rc3-drm-tip-ww22-commit-4aa1d46+ root=UUID=2a8388ef-fcb0-4ae0-964a-bd124748729c ro quiet drm.debug=0xe auto panic=1 nmi_watchdog=panic log_buf_len=4m resume=/dev/sda3 fastboot
>[    0.000000] x86/fpu: x87 FPU will use FXSAVE
>[    0.000000] e820: BIOS-provided physical RAM map:
>[    0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000003efff] usable
>[    0.000000] BIOS-e820: [mem 0x000000000003f000-0x000000000003ffff] ACPI NVS
>[    0.000000] BIOS-e820: [mem 0x0000000000040000-0x000000000009dfff] usable
>[    0.000000] BIOS-e820: [mem 0x000000000009e000-0x000000000009ffff] reserved
>[    0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000001fffffff] usable
>[    0.000000] BIOS-e820: [mem 0x0000000020000000-0x00000000201fffff] reserved
>[    0.000000] BIOS-e820: [mem 0x0000000020200000-0x000000007aa35fff] usable
>[    0.000000] BIOS-e820: [mem 0x000000007aa36000-0x000000007aab4fff] reserved
>[    0.000000] BIOS-e820: [mem 0x000000007aab5000-0x000000007ab38fff] ACPI data
>[    0.000000] BIOS-e820: [mem 0x000000007ab39000-0x000000007b6a8fff] ACPI NVS
>[    0.000000] BIOS-e820: [mem 0x000000007b6a9000-0x000000007b9b9fff] reserved
>[    0.000000] BIOS-e820: [mem 0x000000007b9ba000-0x000000007ba22fff] type 20
>[    0.000000] BIOS-e820: [mem 0x000000007ba23000-0x000000007bc28fff] usable
>[    0.000000] BIOS-e820: [mem 0x000000007bc29000-0x000000007bff4fff] reserved
>[    0.000000] BIOS-e820: [mem 0x000000007bff5000-0x000000007bffffff] usable
>[    0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000efffffff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000fea00000-0x00000000feafffff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000fec00000-0x00000000fec00fff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000fed01000-0x00000000fed01fff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000fed03000-0x00000000fed03fff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000fed06000-0x00000000fed06fff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000fed08000-0x00000000fed09fff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed1cfff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fedbffff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000fee00000-0x00000000fee00fff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000ffb00000-0x00000000ffffffff] reserved
>[    0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000027fffffff] usable
>[    0.000000] NX (Execute Disable) protection: active
>[    0.000000] efi: EFI v2.40 by American Megatrends
>[    0.000000] efi:  ESRT=0x7b9b6098  ACPI=0x7aacf000  ACPI 2.0=0x7aacf000  SMBIOS=0x7b901a98 
>[    0.000000] SMBIOS 2.8 present.
>[    0.000000] DMI: LENOVO 10G9000NUS/BRASWELL, BIOS M00KT33AUS 08/12/2015
>[    0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
>[    0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable
>[    0.000000] e820: last_pfn = 0x280000 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-FFFFF uncachable
>[    0.000000] MTRR variable ranges enabled:
>[    0.000000]   0 base 000000000 mask F80000000 write-back
>[    0.000000]   1 base 07C800000 mask FFF800000 uncachable
>[    0.000000]   2 base 07D000000 mask FFF000000 uncachable
>[    0.000000]   3 base 07E000000 mask FFE000000 uncachable
>[    0.000000]   4 base 100000000 mask F00000000 write-back
>[    0.000000]   5 base 200000000 mask F80000000 write-back
>[    0.000000]   6 disabled
>[    0.000000]   7 disabled
>[    0.000000] x86/PAT: Configuration [0-7]: WB  WC  UC- UC  WB  WC  UC- WT  
>[    0.000000] e820: update [mem 0x7c800000-0xffffffff] usable ==> reserved
>[    0.000000] e820: last_pfn = 0x7c000 max_arch_pfn = 0x400000000
>[    0.000000] esrt: Reserving ESRT space from 0x000000007b9b6098 to 0x000000007b9b60d0.
>[    0.000000] Base memory trampoline at [ffff880000098000] 98000 size 24576
>[    0.000000] BRK [0x056c2000, 0x056c2fff] PGTABLE
>[    0.000000] BRK [0x056c3000, 0x056c3fff] PGTABLE
>[    0.000000] BRK [0x056c4000, 0x056c4fff] PGTABLE
>[    0.000000] BRK [0x056c5000, 0x056c5fff] PGTABLE
>[    0.000000] BRK [0x056c6000, 0x056c6fff] PGTABLE
>[    0.000000] BRK [0x056c7000, 0x056c7fff] PGTABLE
>[    0.000000] log_buf_len: 4194304 bytes
>[    0.000000] early log buf free: 257576(98%)
>[    0.000000] Secure boot could not be determined
>[    0.000000] RAMDISK: [mem 0x369f4000-0x374f1fff]
>[    0.000000] ACPI: Early table checksum verification disabled
>[    0.000000] ACPI: RSDP 0x000000007AACF000 000024 (v02 LENOVO)
>[    0.000000] ACPI: XSDT 0x000000007AACF090 0000A4 (v01 LENOVO TC-M00   00001210 AMI  00010013)
>[    0.000000] ACPI: FACP 0x000000007AAE0F20 00010C (v05 LENOVO TC-M00   00001210 AMI  00010013)
>[    0.000000] ACPI BIOS Warning (bug): 32/64X length mismatch in FADT/Gpe0Block: 128/32 (20170303/tbfadt-603)
>[    0.000000] ACPI: DSDT 0x000000007AACF1C8 011D55 (v02 LENOVO TC-M00   00001210 INTL 20120913)
>[    0.000000] ACPI: FACS 0x000000007B6A8E80 000040
>[    0.000000] ACPI: APIC 0x000000007AAE1030 000084 (v03 LENOVO TC-M00   00001210 AMI  00010013)
>[    0.000000] ACPI: FPDT 0x000000007AAE10B8 000044 (v01 LENOVO TC-M00   00001210 AMI  00010013)
>[    0.000000] ACPI: FIDT 0x000000007AAE1100 00009C (v01 LENOVO TC-M00   00001210 AMI  00010013)
>[    0.000000] ACPI: MCFG 0x000000007AAE11A0 00003C (v01 LENOVO TC-M00   00001210 MSFT 00000097)
>[    0.000000] ACPI: TCPA 0x000000007AAE11E0 000032 (v02 LENOVO TC-M00   00001210 MSFT 01000013)
>[    0.000000] ACPI: SLIC 0x000000007AAE1218 000176 (v01 LENOVO TC-M00   00001210 AMI  00010013)
>[    0.000000] ACPI: MSDM 0x000000007AAE1390 000055 (v03 LENOVO TC-M00   00001210 AMI  00010013)
>[    0.000000] ACPI: SSDT 0x000000007AAE13E8 000763 (v01 LENOVO TC-M00   00001210 INTL 20061109)
>[    0.000000] ACPI: SSDT 0x000000007AAE1B50 000290 (v01 LENOVO TC-M00   00001210 INTL 20061109)
>[    0.000000] ACPI: SSDT 0x000000007AAE1DE0 00017A (v01 LENOVO TC-M00   00001210 INTL 20061109)
>[    0.000000] ACPI: UEFI 0x000000007AAE1F60 000042 (v01 LENOVO TC-M00   00001210      00000000)
>[    0.000000] ACPI: LPIT 0x000000007AAE1FA8 000104 (v01 LENOVO TC-M00   00001210 MSFT 0100000D)
>[    0.000000] ACPI: BGRT 0x000000007AAE20B0 000038 (v01 LENOVO TC-M00   00001210 AMI  00010013)
>[    0.000000] ACPI: CSRT 0x000000007AAE20E8 00014C (v00 LENOVO TC-M00   00001210 MSFT 0100000D)
>[    0.000000] ACPI: LUFT 0x000000007AAE2238 0569E2 (v01 LENOVO TC-M00   00001210 AMI  00010013)
>[    0.000000] ACPI: Local APIC address 0xfee00000
>[    0.000000] Zone ranges:
>[    0.000000]   DMA      [mem 0x0000000000001000-0x0000000000ffffff]
>[    0.000000]   DMA32    [mem 0x0000000001000000-0x00000000ffffffff]
>[    0.000000]   Normal   [mem 0x0000000100000000-0x000000027fffffff]
>[    0.000000] Movable zone start for each node
>[    0.000000] Early memory node ranges
>[    0.000000]   node   0: [mem 0x0000000000001000-0x000000000003efff]
>[    0.000000]   node   0: [mem 0x0000000000040000-0x000000000009dfff]
>[    0.000000]   node   0: [mem 0x0000000000100000-0x000000001fffffff]
>[    0.000000]   node   0: [mem 0x0000000020200000-0x000000007aa35fff]
>[    0.000000]   node   0: [mem 0x000000007ba23000-0x000000007bc28fff]
>[    0.000000]   node   0: [mem 0x000000007bff5000-0x000000007bffffff]
>[    0.000000]   node   0: [mem 0x0000000100000000-0x000000027fffffff]
>[    0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x000000027fffffff]
>[    0.000000] On node 0 totalpages: 2075107
>[    0.000000]   DMA zone: 64 pages used for memmap
>[    0.000000]   DMA zone: 278 pages reserved
>[    0.000000]   DMA zone: 3996 pages, LIFO batch:0
>[    0.000000]   DMA32 zone: 7786 pages used for memmap
>[    0.000000]   DMA32 zone: 498247 pages, LIFO batch:31
>[    0.000000]   Normal zone: 24576 pages used for memmap
>[    0.000000]   Normal zone: 1572864 pages, LIFO batch:31
>[    0.000000] Reserving Intel graphics memory at 0x000000007cf00000-0x000000007eefffff
>[    0.000000] ACPI: PM-Timer IO Port: 0x408
>[    0.000000] ACPI: Local APIC address 0xfee00000
>[    0.000000] ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
>[    0.000000] ACPI: LAPIC_NMI (acpi_id[0x02] high edge lint[0x1])
>[    0.000000] ACPI: LAPIC_NMI (acpi_id[0x03] high edge lint[0x1])
>[    0.000000] ACPI: LAPIC_NMI (acpi_id[0x04] high edge lint[0x1])
>[    0.000000] IOAPIC[0]: apic_id 1, version 32, address 0xfec00000, GSI 0-114
>[    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] smpboot: Allowing 4 CPUs, 0 hotplug CPUs
>[    0.000000] PM: Registered nosave memory: [mem 0x00000000-0x00000fff]
>[    0.000000] PM: Registered nosave memory: [mem 0x0003f000-0x0003ffff]
>[    0.000000] PM: Registered nosave memory: [mem 0x0009e000-0x0009ffff]
>[    0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000fffff]
>[    0.000000] PM: Registered nosave memory: [mem 0x20000000-0x201fffff]
>[    0.000000] PM: Registered nosave memory: [mem 0x7aa36000-0x7aab4fff]
>[    0.000000] PM: Registered nosave memory: [mem 0x7aab5000-0x7ab38fff]
>[    0.000000] PM: Registered nosave memory: [mem 0x7ab39000-0x7b6a8fff]
>[    0.000000] PM: Registered nosave memory: [mem 0x7b6a9000-0x7b9b9fff]
>[    0.000000] PM: Registered nosave memory: [mem 0x7b9ba000-0x7ba22fff]
>[    0.000000] PM: Registered nosave memory: [mem 0x7bc29000-0x7bff4fff]
>[    0.000000] PM: Registered nosave memory: [mem 0x7c000000-0x7cefffff]
>[    0.000000] PM: Registered nosave memory: [mem 0x7cf00000-0x7eefffff]
>[    0.000000] PM: Registered nosave memory: [mem 0x7ef00000-0xdfffffff]
>[    0.000000] PM: Registered nosave memory: [mem 0xe0000000-0xefffffff]
>[    0.000000] PM: Registered nosave memory: [mem 0xf0000000-0xfe9fffff]
>[    0.000000] PM: Registered nosave memory: [mem 0xfea00000-0xfeafffff]
>[    0.000000] PM: Registered nosave memory: [mem 0xfeb00000-0xfebfffff]
>[    0.000000] PM: Registered nosave memory: [mem 0xfec00000-0xfec00fff]
>[    0.000000] PM: Registered nosave memory: [mem 0xfec01000-0xfed00fff]
>[    0.000000] PM: Registered nosave memory: [mem 0xfed01000-0xfed01fff]
>[    0.000000] PM: Registered nosave memory: [mem 0xfed02000-0xfed02fff]
>[    0.000000] PM: Registered nosave memory: [mem 0xfed03000-0xfed03fff]
>[    0.000000] PM: Registered nosave memory: [mem 0xfed04000-0xfed05fff]
>[    0.000000] PM: Registered nosave memory: [mem 0xfed06000-0xfed06fff]
>[    0.000000] PM: Registered nosave memory: [mem 0xfed07000-0xfed07fff]
>[    0.000000] PM: Registered nosave memory: [mem 0xfed08000-0xfed09fff]
>[    0.000000] PM: Registered nosave memory: [mem 0xfed0a000-0xfed1bfff]
>[    0.000000] PM: Registered nosave memory: [mem 0xfed1c000-0xfed1cfff]
>[    0.000000] PM: Registered nosave memory: [mem 0xfed1d000-0xfed7ffff]
>[    0.000000] PM: Registered nosave memory: [mem 0xfed80000-0xfedbffff]
>[    0.000000] PM: Registered nosave memory: [mem 0xfedc0000-0xfedfffff]
>[    0.000000] PM: Registered nosave memory: [mem 0xfee00000-0xfee00fff]
>[    0.000000] PM: Registered nosave memory: [mem 0xfee01000-0xffafffff]
>[    0.000000] PM: Registered nosave memory: [mem 0xffb00000-0xffffffff]
>[    0.000000] e820: [mem 0x7ef00000-0xdfffffff] available for PCI devices
>[    0.000000] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns
>[    0.000000] setup_percpu: NR_CPUS:16 nr_cpumask_bits:16 nr_cpu_ids:4 nr_node_ids:1
>[    0.000000] percpu: Embedded 37 pages/cpu @ffff88027f800000 s114376 r8192 d28984 u524288
>[    0.000000] pcpu-alloc: s114376 r8192 d28984 u524288 alloc=1*2097152
>[    0.000000] pcpu-alloc: [0] 0 1 2 3 
>[    0.000000] Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 2042403
>[    0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.12.0-rc3-drm-tip-ww22-commit-4aa1d46+ root=UUID=2a8388ef-fcb0-4ae0-964a-bd124748729c ro quiet drm.debug=0xe auto panic=1 nmi_watchdog=panic log_buf_len=4m resume=/dev/sda3 fastboot
>[    0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
>[    0.000000] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes)
>[    0.000000] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes)
>[    0.000000] Memory: 7914368K/8300428K available (8664K kernel code, 1377K rwdata, 3444K rodata, 1200K init, 22640K bss, 386060K reserved, 0K cma-reserved)
>[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
>[    0.000000] Running RCU self tests
>[    0.000000] Preemptible hierarchical RCU implementation.
>[    0.000000] 	RCU lockdep checking is enabled.
>[    0.000000] 	RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4.
>[    0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4
>[    0.000000] kmemleak: Kernel memory leak detector disabled
>[    0.000000] NR_IRQS:4352 nr_irqs:1024 16
>[    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: 8159 kB
>[    0.000000]  per task-struct memory footprint: 1920 bytes
>[    0.000000] kmemleak: Early log buffer exceeded (2888), please increase DEBUG_KMEMLEAK_EARLY_LOG_SIZE
>[    0.001000] tsc: Detected 1600.000 MHz processor
>[    0.001000] Calibrating delay loop (skipped), value calculated using timer frequency.. 3200.00 BogoMIPS (lpj=1600000)
>[    0.001000] pid_max: default: 32768 minimum: 301
>[    0.001000] ACPI: Core revision 20170303
>[    0.256047] random: fast init done
>[    0.423710] ACPI: 4 ACPI AML tables successfully acquired and loaded
>[    0.425384] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes)
>[    0.425396] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes)
>[    0.427641] CPU: Physical Processor ID: 0
>[    0.427647] CPU: Processor Core ID: 0
>[    0.427656] ENERGY_PERF_BIAS: Set to 'normal', was 'performance'
>[    0.427660] ENERGY_PERF_BIAS: View and update with x86_energy_perf_policy(8)
>[    0.427677] mce: CPU supports 6 MCE banks
>[    0.427719] CPU0: Thermal monitoring enabled (TM1)
>[    0.427731] process: using mwait in idle threads
>[    0.427741] Last level iTLB entries: 4KB 48, 2MB 0, 4MB 0
>[    0.427746] Last level dTLB entries: 4KB 256, 2MB 16, 4MB 16, 1GB 0
>[    0.428424] Freeing SMP alternatives memory: 32K
>[    0.475378] smpboot: Max logical packages: 1
>[    0.476000] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=0 pin2=0
>[    0.485474] TSC deadline timer enabled
>[    0.485489] smpboot: CPU0: Intel(R) Pentium(R) CPU  N3700  @ 1.60GHz (family: 0x6, model: 0x4c, stepping: 0x3)
>[    0.489122] Performance Events: PEBS fmt2+, 8-deep LBR, Silvermont events, 8-deep LBR, full-width counters, Intel PMU driver.
>[    0.489184] ... version:                3
>[    0.489190] ... bit width:              40
>[    0.489194] ... generic registers:      2
>[    0.489199] ... value mask:             000000ffffffffff
>[    0.489204] ... max period:             0000007fffffffff
>[    0.489209] ... fixed-purpose events:   3
>[    0.489213] ... event mask:             0000000700000003
>[    0.497982] NMI watchdog: enabled on all CPUs, permanently consumes one hw-PMU counter.
>[    0.500032] smp: Bringing up secondary CPUs ...
>[    0.508251] x86: Booting SMP configuration:
>[    0.508269] .... node  #0, CPUs:      #1 #2 #3
>[    0.704323] smp: Brought up 1 node, 4 CPUs
>[    0.704323] smpboot: Total of 4 processors activated (12939.39 BogoMIPS)
>[    0.706000] sched_clock: Marking stable (705000000, 0)->(711037412, -6037412)
>[    0.708155] devtmpfs: initialized
>[    0.711061] PM: Registering ACPI NVS region [mem 0x0003f000-0x0003ffff] (4096 bytes)
>[    0.711082] PM: Registering ACPI NVS region [mem 0x7ab39000-0x7b6a8fff] (11993088 bytes)
>[    0.729369] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns
>[    0.729394] futex hash table entries: 1024 (order: 5, 131072 bytes)
>[    0.729986] xor: measuring software checksum speed
>[    0.739692]    prefetch64-sse:  5964.000 MB/sec
>[    0.749778]    generic_sse:  5324.000 MB/sec
>[    0.749784] xor: using function: prefetch64-sse (5964.000 MB/sec)
>[    0.749810] pinctrl core: initialized pinctrl subsystem
>[    0.751811] NET: Registered protocol family 16
>[    0.755440] cpuidle: using governor menu
>[    0.755456] PCCT header not found.
>[    0.755809] ACPI: bus type PCI registered
>[    0.756553] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000)
>[    0.756565] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820
>[    0.756655] PCI: Using configuration type 1 for base access
>[    0.791610] HugeTLB registered 2 MB page size, pre-allocated 0 pages
>[    0.810632] raid6: sse2x1   gen()   742 MB/s
>[    0.827856] raid6: sse2x1   xor()  1722 MB/s
>[    0.845096] raid6: sse2x2   gen()  1246 MB/s
>[    0.862326] raid6: sse2x2   xor()  1912 MB/s
>[    0.879575] raid6: sse2x4   gen()  2070 MB/s
>[    0.896815] raid6: sse2x4   xor()  1816 MB/s
>[    0.896822] raid6: using algorithm sse2x4 gen() 2070 MB/s
>[    0.896827] raid6: .... xor() 1816 MB/s, rmw enabled
>[    0.896832] raid6: using ssse3x2 recovery algorithm
>[    0.897363] ACPI: Added _OSI(Module Device)
>[    0.897371] ACPI: Added _OSI(Processor Device)
>[    0.897377] ACPI: Added _OSI(3.0 _SCP Extensions)
>[    0.897383] ACPI: Added _OSI(Processor Aggregator Device)
>[    1.134701] ACPI: Dynamic OEM Table Load:
>[    1.134758] ACPI: SSDT 0xFFFF880275841BF8 000697 (v01 PmRef  Cpu0Ist  00003000 INTL 20061109)
>[    1.140262] ACPI: Dynamic OEM Table Load:
>[    1.140315] ACPI: SSDT 0xFFFF880275961A98 0003A5 (v01 PmRef  Cpu0Cst  00003001 INTL 20061109)
>[    1.155745] ACPI: Dynamic OEM Table Load:
>[    1.155798] ACPI: SSDT 0xFFFF8802758A9738 00015F (v01 PmRef  ApIst    00003000 INTL 20061109)
>[    1.161348] ACPI: Dynamic OEM Table Load:
>[    1.161399] ACPI: SSDT 0xFFFF8802758D2738 00008D (v01 PmRef  ApCst    00003000 INTL 20061109)
>[    1.219764] ACPI: Interpreter enabled
>[    1.220122] ACPI: (supports S0 S3 S4 S5)
>[    1.220130] ACPI: Using IOAPIC for interrupt routing
>[    1.220740] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
>[    1.377895] ACPI: Power Resource [USBC] (on)
>[    1.516770] ACPI: Power Resource [CLK0] (off)
>[    1.523712] ACPI: Power Resource [CLK0] (off)
>[    1.524624] ACPI: Power Resource [CLK1] (off)
>[    1.635192] ACPI: Power Resource [FN00] (off)
>[    1.646904] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored
>[    1.654463] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
>[    1.654509] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI]
>[    1.664430] acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug PME AER PCIeCapability]
>[    1.669237] PCI host bridge to bus 0000:00
>[    1.669256] pci_bus 0000:00: root bus resource [io  0x0070-0x0077]
>[    1.669271] pci_bus 0000:00: root bus resource [io  0x0000-0x006f window]
>[    1.669285] pci_bus 0000:00: root bus resource [io  0x0078-0x0cf7 window]
>[    1.669299] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff window]
>[    1.669313] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
>[    1.669326] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000dffff window]
>[    1.669340] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000fffff window]
>[    1.669353] pci_bus 0000:00: root bus resource [mem 0x80000000-0xdfffffff window]
>[    1.669369] pci_bus 0000:00: root bus resource [bus 00-ff]
>[    1.669457] pci 0000:00:00.0: [8086:2280] type 00 class 0x060000
>[    1.673322] pci 0000:00:02.0: [8086:22b1] type 00 class 0x030000
>[    1.673384] pci 0000:00:02.0: reg 0x10: [mem 0x80000000-0x80ffffff 64bit]
>[    1.673422] pci 0000:00:02.0: reg 0x18: [mem 0x90000000-0x9fffffff 64bit pref]
>[    1.673448] pci 0000:00:02.0: reg 0x20: [io  0xf000-0xf03f]
>[    1.676711] pci 0000:00:13.0: [8086:22a3] type 00 class 0x010601
>[    1.676834] pci 0000:00:13.0: reg 0x20: [io  0xf060-0xf07f]
>[    1.676861] pci 0000:00:13.0: reg 0x24: [mem 0x81415000-0x814157ff]
>[    1.677075] pci 0000:00:13.0: PME# supported from D3hot
>[    1.680196] pci 0000:00:14.0: [8086:22b5] type 00 class 0x0c0330
>[    1.680256] pci 0000:00:14.0: reg 0x10: [mem 0x81400000-0x8140ffff 64bit]
>[    1.680520] pci 0000:00:14.0: PME# supported from D3hot D3cold
>[    1.683646] pci 0000:00:14.0: System wakeup disabled by ACPI
>[    1.684243] pci 0000:00:1a.0: [8086:2298] type 00 class 0x108000
>[    1.684288] pci 0000:00:1a.0: reg 0x10: [mem 0x81100000-0x811fffff]
>[    1.684315] pci 0000:00:1a.0: reg 0x14: [mem 0x81000000-0x810fffff]
>[    1.684570] pci 0000:00:1a.0: PME# supported from D0 D3hot
>[    1.687678] pci 0000:00:1b.0: [8086:2284] type 00 class 0x040300
>[    1.687735] pci 0000:00:1b.0: reg 0x10: [mem 0x81410000-0x81413fff 64bit]
>[    1.687992] pci 0000:00:1b.0: PME# supported from D0 D3hot D3cold
>[    1.690736] pci 0000:00:1b.0: System wakeup disabled by ACPI
>[    1.691287] pci 0000:00:1c.0: [8086:22c8] type 01 class 0x060400
>[    1.691621] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold
>[    1.694371] pci 0000:00:1c.0: System wakeup disabled by ACPI
>[    1.694937] pci 0000:00:1c.1: [8086:22ca] type 01 class 0x060400
>[    1.695239] pci 0000:00:1c.1: PME# supported from D0 D3hot D3cold
>[    1.698039] pci 0000:00:1c.1: System wakeup disabled by ACPI
>[    1.698636] pci 0000:00:1f.0: [8086:229c] type 00 class 0x060100
>[    1.702015] pci 0000:00:1f.3: [8086:2292] type 00 class 0x0c0500
>[    1.702090] pci 0000:00:1f.3: reg 0x10: [mem 0x81414000-0x8141401f]
>[    1.702243] pci 0000:00:1f.3: reg 0x20: [io  0xf040-0xf05f]
>[    1.706022] pci 0000:01:00.0: [10ec:8168] type 00 class 0x020000
>[    1.706081] pci 0000:01:00.0: reg 0x10: [io  0xe000-0xe0ff]
>[    1.706145] pci 0000:01:00.0: reg 0x18: [mem 0x81300000-0x81300fff 64bit]
>[    1.706187] pci 0000:01:00.0: reg 0x20: [mem 0xa0000000-0xa0003fff 64bit pref]
>[    1.706547] pci 0000:01:00.0: supports D1 D2
>[    1.706554] pci 0000:01:00.0: PME# supported from D0 D1 D2 D3hot D3cold
>[    1.707167] pci 0000:01:00.0: System wakeup disabled by ACPI
>[    1.710815] pci 0000:00:1c.0: PCI bridge to [bus 01]
>[    1.710829] pci 0000:00:1c.0:   bridge window [io  0xe000-0xefff]
>[    1.710841] pci 0000:00:1c.0:   bridge window [mem 0x81300000-0x813fffff]
>[    1.710859] pci 0000:00:1c.0:   bridge window [mem 0xa0000000-0xa00fffff 64bit pref]
>[    1.711323] pci 0000:02:00.0: [8086:24f3] type 00 class 0x028000
>[    1.711412] pci 0000:02:00.0: reg 0x10: [mem 0x81200000-0x81201fff 64bit]
>[    1.711913] pci 0000:02:00.0: PME# supported from D0 D3hot D3cold
>[    1.712434] pci 0000:02:00.0: System wakeup disabled by ACPI
>[    1.715869] pci 0000:00:1c.1: PCI bridge to [bus 02]
>[    1.715888] pci 0000:00:1c.1:   bridge window [mem 0x81200000-0x812fffff]
>[    1.715940] pci_bus 0000:00: on NUMA node 0
>[    1.746658] acpi 80862288:00: Device [PWM1] is in always present list
>[    1.762706] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 11 12 14 15) *0, disabled.
>[    1.765018] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 10 11 12 14 15) *0, disabled.
>[    1.767299] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 11 12 14 15) *0, disabled.
>[    1.769553] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 11 12 14 15) *0, disabled.
>[    1.771804] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 11 12 14 15) *0, disabled.
>[    1.774066] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 11 12 14 15) *0, disabled.
>[    1.776307] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 11 12 14 15) *0, disabled.
>[    1.778565] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 11 12 14 15) *0, disabled.
>[    1.781239] acpi INT0002:00: Device [GPED] is in always present list
>[    1.790237] ACPI: Enabled 6 GPEs in block 00 to 3F
>[    1.791901] pci 0000:00:02.0: vgaarb: setting as boot VGA device
>[    1.791914] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none
>[    1.791937] pci 0000:00:02.0: vgaarb: bridge control possible
>[    1.791942] vgaarb: loaded
>[    1.793796] SCSI subsystem initialized
>[    1.794423] libata version 3.00 loaded.
>[    1.794850] ACPI: bus type USB registered
>[    1.795225] usbcore: registered new interface driver usbfs
>[    1.795447] usbcore: registered new interface driver hub
>[    1.795688] usbcore: registered new device driver usb
>[    1.796892] Registered efivars operations
>[    1.817134] Advanced Linux Sound Architecture Driver Initialized.
>[    1.817301] PCI: Using ACPI for IRQ routing
>[    1.832615] PCI: pci_cache_line_size set to 64 bytes
>[    1.832746] e820: reserve RAM buffer [mem 0x0003f000-0x0003ffff]
>[    1.832780] e820: reserve RAM buffer [mem 0x0009e000-0x0009ffff]
>[    1.832801] e820: reserve RAM buffer [mem 0x7aa36000-0x7bffffff]
>[    1.832821] e820: reserve RAM buffer [mem 0x7bc29000-0x7bffffff]
>[    1.835478] clocksource: Switched to clocksource refined-jiffies
>[    2.085963] pnp: PnP ACPI init
>[    2.086780] pnp 00:00: Plug and Play ACPI device, IDs PNP0b00 (active)
>[    2.089521] system 00:01: [io  0x0680-0x069f] has been reserved
>[    2.089548] system 00:01: [io  0x0400-0x047f] has been reserved
>[    2.089570] system 00:01: [io  0x0500-0x05fe] has been reserved
>[    2.089624] system 00:01: Plug and Play ACPI device, IDs PNP0c02 (active)
>[    2.094229] system 00:02: [io  0x0a00-0x0a0f] has been reserved
>[    2.094253] system 00:02: [io  0x0a10-0x0a1f] has been reserved
>[    2.094275] system 00:02: [io  0x0a20-0x0a2f] has been reserved
>[    2.094297] system 00:02: Plug and Play ACPI device, IDs PNP0c02 (active)
>[    2.099801] system 00:03: Plug and Play ACPI device, IDs PNP0c02 (active)
>[    2.114920] pnp 00:04: Plug and Play ACPI device, IDs PNP0303 (active)
>[    2.117481] pnp 00:05: Plug and Play ACPI device, IDs PNP0f13 (active)
>[    2.152460] system 00:06: Plug and Play ACPI device, IDs PNP0c02 (active)
>[    2.153429] system 00:07: [mem 0xe0000000-0xefffffff] has been reserved
>[    2.153452] system 00:07: [mem 0xfea00000-0xfeafffff] has been reserved
>[    2.153474] system 00:07: [mem 0xfed01000-0xfed01fff] has been reserved
>[    2.153495] system 00:07: [mem 0xfed03000-0xfed03fff] has been reserved
>[    2.153515] system 00:07: [mem 0xfed06000-0xfed06fff] has been reserved
>[    2.153537] system 00:07: [mem 0xfed08000-0xfed09fff] has been reserved
>[    2.153569] system 00:07: [mem 0xfed80000-0xfedbffff] has been reserved
>[    2.153591] system 00:07: [mem 0xfed1c000-0xfed1cfff] has been reserved
>[    2.153634] system 00:07: [mem 0xfee00000-0xfeefffff] could not be reserved
>[    2.153656] system 00:07: Plug and Play ACPI device, IDs PNP0c02 (active)
>[    2.164446] pnp 00:08: Plug and Play ACPI device, IDs PNP0c31 (active)
>[    2.165546] pnp: PnP ACPI: found 9 devices
>[    2.202997] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
>[    2.203076] clocksource: Switched to clocksource acpi_pm
>[    2.203148] pci 0000:00:1c.0: PCI bridge to [bus 01]
>[    2.203159] pci 0000:00:1c.0:   bridge window [io  0xe000-0xefff]
>[    2.203174] pci 0000:00:1c.0:   bridge window [mem 0x81300000-0x813fffff]
>[    2.203187] pci 0000:00:1c.0:   bridge window [mem 0xa0000000-0xa00fffff 64bit pref]
>[    2.203204] pci 0000:00:1c.1: PCI bridge to [bus 02]
>[    2.203219] pci 0000:00:1c.1:   bridge window [mem 0x81200000-0x812fffff]
>[    2.203243] pci_bus 0000:00: resource 4 [io  0x0070-0x0077]
>[    2.203250] pci_bus 0000:00: resource 5 [io  0x0000-0x006f window]
>[    2.203256] pci_bus 0000:00: resource 6 [io  0x0078-0x0cf7 window]
>[    2.203263] pci_bus 0000:00: resource 7 [io  0x0d00-0xffff window]
>[    2.203269] pci_bus 0000:00: resource 8 [mem 0x000a0000-0x000bffff window]
>[    2.203276] pci_bus 0000:00: resource 9 [mem 0x000c0000-0x000dffff window]
>[    2.203283] pci_bus 0000:00: resource 10 [mem 0x000e0000-0x000fffff window]
>[    2.203289] pci_bus 0000:00: resource 11 [mem 0x80000000-0xdfffffff window]
>[    2.203296] pci_bus 0000:01: resource 0 [io  0xe000-0xefff]
>[    2.203303] pci_bus 0000:01: resource 1 [mem 0x81300000-0x813fffff]
>[    2.203309] pci_bus 0000:01: resource 2 [mem 0xa0000000-0xa00fffff 64bit pref]
>[    2.203316] pci_bus 0000:02: resource 1 [mem 0x81200000-0x812fffff]
>[    2.206392] NET: Registered protocol family 2
>[    2.208371] TCP established hash table entries: 65536 (order: 7, 524288 bytes)
>[    2.208636] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes)
>[    2.220738] TCP: Hash tables configured (established 65536 bind 65536)
>[    2.221449] UDP hash table entries: 4096 (order: 7, 655360 bytes)
>[    2.223211] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes)
>[    2.225961] NET: Registered protocol family 1
>[    2.226069] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]
>[    2.231094] PCI: CLS 64 bytes, default 64
>[    2.232269] Unpacking initramfs...
>[    2.786804] Freeing initrd memory: 11256K
>[    2.786818] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
>[    2.786827] software IO TLB [mem 0x6f55f000-0x7355f000] (64MB) mapped at [ffff88006f55f000-ffff88007355efff]
>[    2.787347] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x171024fa93b, max_idle_ns: 440795253189 ns
>[    2.787455] clocksource: Switched to clocksource tsc
>[    2.802245] workingset: timestamp_bits=46 max_order=21 bucket_order=0
>[    2.856170] ntfs: driver 2.1.32 [Flags: R/O].
>[    2.895669] NET: Registered protocol family 38
>[    2.896551] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250)
>[    2.896580] io scheduler noop registered
>[    2.897455] io scheduler cfq registered (default)
>[    2.897462] io scheduler mq-deadline registered
>[    2.897468] io scheduler kyber registered
>[    2.897473] start plist test
>[    2.900764] end plist test
>[    2.910966] pcieport 0000:00:1c.0: Signaling PME with IRQ 115
>[    2.911236] pcieport 0000:00:1c.1: Signaling PME with IRQ 116
>[    2.912685] uvesafb: failed to execute /sbin/v86d
>[    2.912762] uvesafb: make sure that the v86d helper is installed and executable
>[    2.912824] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2)
>[    2.912885] uvesafb: vbe_init() failed with -22
>[    2.913004] uvesafb: probe of uvesafb.0 failed with error -22
>[    2.913277] intel_idle: MWAIT substates: 0x33000020
>[    2.913284] intel_idle: v0.4.1 model 0x4C
>[    2.916613] intel_idle: lapic_timer_reliable_states 0xffffffff
>[    2.917971] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input0
>[    2.918313] ACPI: Power Button [PWRB]
>[    2.918978] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input1
>[    2.919165] ACPI: Sleep Button [SLPB]
>[    2.919822] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input2
>[    2.919958] ACPI: Power Button [PWRF]
>[    2.996815] (NULL device *): hwmon_device_register() is deprecated. Please convert the driver to use hwmon_device_register_with_info().
>[    2.999799] thermal LNXTHERM:00: registered as thermal_zone0
>[    2.999809] ACPI: Thermal Zone [TZ01] (27 C)
>[    3.000687] GHES: HEST is not enabled!
>[    3.002012] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
>[    3.011554] Non-volatile memory driver v1.3
>[    3.012581] Linux agpgart interface v0.103
>[    3.019851] loop: module loaded
>[    3.022738] ahci 0000:00:13.0: version 3.0
>[    3.025774] ahci 0000:00:13.0: AHCI 0001.0301 32 slots 2 ports 6 Gbps 0x3 impl SATA mode
>[    3.025785] ahci 0000:00:13.0: flags: 64bit ncq ilck pm led clo only pio slum part deso sadm sds apst 
>[    3.031538] scsi host0: ahci
>[    3.035031] scsi host1: ahci
>[    3.035940] ata1: SATA max UDMA/133 abar m2048@0x81415000 port 0x81415100 irq 117
>[    3.035949] ata2: SATA max UDMA/133 abar m2048@0x81415000 port 0x81415180 irq 117
>[    3.036477] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
>[    3.036527] ehci-pci: EHCI PCI platform driver
>[    3.036680] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
>[    3.036713] ohci-pci: OHCI PCI platform driver
>[    3.036844] uhci_hcd: USB Universal Host Controller Interface driver
>[    3.040321] xhci_hcd 0000:00:14.0: xHCI Host Controller
>[    3.040531] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1
>[    3.042223] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x01509810
>[    3.042244] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported
>[    3.043791] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
>[    3.043807] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
>[    3.043814] usb usb1: Product: xHCI Host Controller
>[    3.043820] usb usb1: Manufacturer: Linux 4.12.0-rc3-drm-tip-ww22-commit-4aa1d46+ xhci-hcd
>[    3.043827] usb usb1: SerialNumber: 0000:00:14.0
>[    3.047330] hub 1-0:1.0: USB hub found
>[    3.047633] hub 1-0:1.0: 7 ports detected
>[    3.064846] xhci_hcd 0000:00:14.0: xHCI Host Controller
>[    3.064902] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2
>[    3.065977] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003
>[    3.065989] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
>[    3.065996] usb usb2: Product: xHCI Host Controller
>[    3.066003] usb usb2: Manufacturer: Linux 4.12.0-rc3-drm-tip-ww22-commit-4aa1d46+ xhci-hcd
>[    3.066009] usb usb2: SerialNumber: 0000:00:14.0
>[    3.069311] hub 2-0:1.0: USB hub found
>[    3.069583] hub 2-0:1.0: 6 ports detected
>[    3.086536] usbcore: registered new interface driver usb-storage
>[    3.087380] i8042: PNP: PS/2 Controller [PNP0303:PS2K,PNP0f13:PS2M] at 0x60,0x64 irq 1,12
>[    3.342945] serio: i8042 KBD port at 0x60,0x64 irq 1
>[    3.344476] mousedev: PS/2 mouse device common for all mice
>[    3.349403] rtc_cmos 00:00: RTC can wake from S4
>[    3.349973] ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
>[    3.350056] ata2: SATA link down (SStatus 4 SControl 300)
>[    3.350925] rtc_cmos 00:00: rtc core: registered rtc_cmos as rtc0
>[    3.351021] rtc_cmos 00:00: alarms up to one day, y3k, 242 bytes nvram
>[    3.351838] ata1.00: ATA-9: SanDisk SD8SB8U512G1122, X4120000, max UDMA/133
>[    3.351849] ata1.00: 1000215216 sectors, multi 1: LBA48 NCQ (depth 31/32), AA
>[    3.353858] softdog: initialized. soft_noboot=0 soft_margin=60 sec soft_panic=0 (nowayout=0)
>[    3.354777] ata1.00: configured for UDMA/133
>[    3.355690] device-mapper: uevent: version 1.0.3
>[    3.357827] device-mapper: ioctl: 4.35.0-ioctl (2016-06-23) initialised: dm-devel@redhat.com
>[    3.357841] intel_pstate: Intel P-state driver initializing
>[    3.358068] scsi 0:0:0:0: Direct-Access     ATA      SanDisk SD8SB8U5 0000 PQ: 0 ANSI: 5
>[    3.371156] sd 0:0:0:0: [sda] 1000215216 512-byte logical blocks: (512 GB/477 GiB)
>[    3.371255] sd 0:0:0:0: [sda] Write Protect is off
>[    3.371261] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
>[    3.371424] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
>[    3.372680] sd 0:0:0:0: Attached scsi generic sg0 type 0
>[    3.373621] EFI Variables Facility v0.08 2004-May-17
>[    3.378998]  sda: sda1 sda2 sda3
>[    3.384326] sd 0:0:0:0: [sda] Attached SCSI disk
>[    3.414974] hidraw: raw HID events driver (C) Jiri Kosina
>[    3.416034] usbcore: registered new interface driver usbhid
>[    3.416038] usbhid: USB HID core driver
>[    3.417604] intel_rapl: Found RAPL domain package
>[    3.417610] intel_rapl: Found RAPL domain core
>[    3.424418] Initializing XFRM netlink socket
>[    3.427217] NET: Registered protocol family 10
>[    3.428509] usb 1-5: new high-speed USB device number 2 using xhci_hcd
>[    3.431406] Segment Routing with IPv6
>[    3.431496] mip6: Mobile IPv6
>[    3.431535] NET: Registered protocol family 17
>[    3.431580] NET: Registered protocol family 15
>[    3.437520] SSE version of gcm_enc/dec engaged.
>[    3.598417] usb 1-5: New USB device found, idVendor=0424, idProduct=2514
>[    3.598451] usb 1-5: New USB device strings: Mfr=0, Product=0, SerialNumber=0
>[    3.603406] alg: No test for pcbc(aes) (pcbc-aes-aesni)
>[    3.604409] hub 1-5:1.0: USB hub found
>[    3.604948] hub 1-5:1.0: 4 ports detected
>[    3.608768] registered taskstats version 1
>[    3.620571] Btrfs loaded, crc32c=crc32c-generic
>[    3.624704] rtc_cmos 00:00: setting system clock to 2017-05-31 23:54:32 UTC (1496274872)
>[    3.625799] PM: Checking hibernation image partition /dev/sda3
>[    3.625816] PM: Hibernation image partition 8:3 present
>[    3.625820] PM: Looking for hibernation image.
>[    3.626870] PM: Image not found (code -22)
>[    3.626876] PM: Hibernation image not present or could not be loaded.
>[    3.626944] ALSA device list:
>[    3.626948]   No soundcards found.
>[    3.631382] Freeing unused kernel memory: 1200K
>[    3.631390] Write protecting the kernel read-only data: 14336k
>[    3.634705] Freeing unused kernel memory: 1556K
>[    3.638749] Freeing unused kernel memory: 652K
>[    3.901707] usb 1-5.2: new full-speed USB device number 3 using xhci_hcd
>[    3.998351] usb 1-5.2: New USB device found, idVendor=8087, idProduct=0a2b
>[    3.998383] usb 1-5.2: New USB device strings: Mfr=0, Product=0, SerialNumber=0
>[    4.123829] sdhci: Secure Digital Host Controller Interface driver
>[    4.123835] sdhci: Copyright(c) Pierre Ossman
>[    4.221900] r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded
>[    4.229039] [drm:i915_driver_load [i915]] No PCH found.
>[    4.229106] [drm:intel_power_domains_init [i915]] Allowed DC state mask 00
>[    4.229147] r8169 0000:01:00.0 eth0: RTL8168g/8111g at 0xffffc90000065000, 00:23:24:ab:89:e4, XID 0c000880 IRQ 119
>[    4.229189] r8169 0000:01:00.0 eth0: jumbo features [frames: 9200 bytes, tx checksumming: ko]
>[    4.231823] [drm:intel_device_info_dump [i915]] i915 device info: platform=CHERRYVIEW gen=8 pciid=0x22b1 rev=0x21
>[    4.231881] [drm:intel_device_info_dump [i915]] i915 device info: is_mobile: no
>[    4.231936] [drm:intel_device_info_dump [i915]] i915 device info: is_lp: yes
>[    4.231990] [drm:intel_device_info_dump [i915]] i915 device info: is_alpha_support: no
>[    4.234365] [drm:intel_device_info_dump [i915]] i915 device info: has_64bit_reloc: yes
>[    4.234420] [drm:intel_device_info_dump [i915]] i915 device info: has_aliasing_ppgtt: yes
>[    4.234474] [drm:intel_device_info_dump [i915]] i915 device info: has_csr: no
>[    4.234527] [drm:intel_device_info_dump [i915]] i915 device info: has_ddi: no
>[    4.234581] [drm:intel_device_info_dump [i915]] i915 device info: has_dp_mst: no
>[    4.234635] [drm:intel_device_info_dump [i915]] i915 device info: has_fbc: no
>[    4.234689] [drm:intel_device_info_dump [i915]] i915 device info: has_fpga_dbg: no
>[    4.234742] [drm:intel_device_info_dump [i915]] i915 device info: has_full_ppgtt: yes
>[    4.234795] [drm:intel_device_info_dump [i915]] i915 device info: has_full_48bit_ppgtt: no
>[    4.234849] [drm:intel_device_info_dump [i915]] i915 device info: has_gmbus_irq: yes
>[    4.234902] [drm:intel_device_info_dump [i915]] i915 device info: has_gmch_display: yes
>[    4.234958] [drm:intel_device_info_dump [i915]] i915 device info: has_guc: no
>[    4.235773] [drm:intel_device_info_dump [i915]] i915 device info: has_guc_ct: no
>[    4.235829] [drm:intel_device_info_dump [i915]] i915 device info: has_hotplug: yes
>[    4.235882] [drm:intel_device_info_dump [i915]] i915 device info: has_l3_dpf: no
>[    4.235936] [drm:intel_device_info_dump [i915]] i915 device info: has_llc: no
>[    4.235990] [drm:intel_device_info_dump [i915]] i915 device info: has_logical_ring_contexts: yes
>[    4.236044] [drm:intel_device_info_dump [i915]] i915 device info: has_overlay: no
>[    4.236098] [drm:intel_device_info_dump [i915]] i915 device info: has_pipe_cxsr: no
>[    4.236181] [drm:intel_device_info_dump [i915]] i915 device info: has_pooled_eu: no
>[    4.236235] [drm:intel_device_info_dump [i915]] i915 device info: has_psr: yes
>[    4.236289] [drm:intel_device_info_dump [i915]] i915 device info: has_rc6: yes
>[    4.236342] [drm:intel_device_info_dump [i915]] i915 device info: has_rc6p: no
>[    4.236396] [drm:intel_device_info_dump [i915]] i915 device info: has_resource_streamer: yes
>[    4.236450] [drm:intel_device_info_dump [i915]] i915 device info: has_runtime_pm: yes
>[    4.238347] [drm:intel_device_info_dump [i915]] i915 device info: has_snoop: no
>[    4.238404] [drm:intel_device_info_dump [i915]] i915 device info: unfenced_needs_alignment: no
>[    4.238458] [drm:intel_device_info_dump [i915]] i915 device info: cursor_needs_physical: no
>[    4.238512] [drm:intel_device_info_dump [i915]] i915 device info: hws_needs_physical: no
>[    4.238565] [drm:intel_device_info_dump [i915]] i915 device info: overlay_needs_physical: no
>[    4.238620] [drm:intel_device_info_dump [i915]] i915 device info: supports_tv: no
>[    4.240421] [drm:intel_device_info_runtime_init [i915]] slice mask: 0001
>[    4.240479] [drm:intel_device_info_runtime_init [i915]] slice total: 1
>[    4.240533] [drm:intel_device_info_runtime_init [i915]] subslice total: 2
>[    4.240587] [drm:intel_device_info_runtime_init [i915]] subslice mask 0003
>[    4.240641] [drm:intel_device_info_runtime_init [i915]] subslice per slice: 2
>[    4.240695] [drm:intel_device_info_runtime_init [i915]] EU total: 16
>[    4.240749] [drm:intel_device_info_runtime_init [i915]] EU per subslice: 8
>[    4.240802] [drm:intel_device_info_runtime_init [i915]] has slice power gating: n
>[    4.240856] [drm:intel_device_info_runtime_init [i915]] has subslice power gating: y
>[    4.240910] [drm:intel_device_info_runtime_init [i915]] has EU power gating: y
>[    4.240964] [drm:i915_driver_load [i915]] ppgtt mode: 2
>[    4.241017] [drm:i915_driver_load [i915]] use GPU semaphores? no
>[    4.241800] [drm] Memory usable by graphics device = 2048M
>[    4.242451] [drm:i915_ggtt_probe_hw [i915]] GMADR size = 256M
>[    4.242510] [drm:i915_ggtt_probe_hw [i915]] GTT stolen size = 32M
>[    4.242648] [drm] Replacing VGA console driver
>[    4.243608] [drm:i915_gem_init_stolen [i915]] Memory reserved for graphics device: 32768K, usable: 31744K
>[    4.245884] [drm:intel_opregion_setup [i915]] graphic opregion physical addr: 0x7b15c000
>[    4.246020] [drm:intel_opregion_setup [i915]] Public ACPI methods supported
>[    4.246081] [drm:intel_opregion_setup [i915]] ASLE supported
>[    4.246143] [drm:intel_opregion_setup [i915]] Found valid VBT in ACPI OpRegion (Mailbox #4)
>[    4.246796] [drm:intel_gvt_init [i915]] GVT-g is disabled by kernel params
>[    4.246819] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
>[    4.246823] [drm] Driver supports precise vblank timestamp query.
>[    4.246887] [drm:intel_bios_init [i915]] Set default to SSC at 100000 kHz
>[    4.246950] [drm:intel_bios_init [i915]] VBT signature "$VBT CHERRYVIEW     ", BDB version 195
>[    4.247012] [drm:intel_bios_init [i915]] BDB_GENERAL_FEATURES int_tv_support 0 int_crt_support 1 lvds_use_ssc 0 lvds_ssc_freq 120000 display_clock_mode 0 fdi_rx_polarity_inverted 0
>[    4.247073] [drm:intel_bios_init [i915]] crt_ddc_bus_pin: 2
>[    4.247135] [drm:intel_opregion_get_panel_type [i915]] Failed to get panel details from OpRegion (-19)
>[    4.247258] [drm:intel_bios_init [i915]] Panel type: 2 (VBT)
>[    4.247318] [drm:intel_bios_init [i915]] DRRS supported mode is seamless
>[    4.247390] [drm:intel_bios_init [i915]] Found panel mode in BIOS VBT tables:
>[    4.247401] [drm:drm_mode_debug_printmodeline] Modeline 0:"1024x768" 0 65000 1024 1048 1184 1344 768 771 777 806 0x8 0xa
>[    4.247462] [drm:intel_bios_init [i915]] VBT initial LVDS value 0
>[    4.247523] [drm:intel_bios_init [i915]] VBT backlight PWM modulation frequency 200 Hz, active high, min brightness 0, level 255, controller 0
>[    4.247583] [drm:intel_bios_init [i915]] Unsupported child device size for SDVO mapping.
>[    4.247655] [drm:intel_bios_init [i915]] DRRS State Enabled:1
>[    4.247862] [drm:intel_dsm_detect [i915]] no _DSM method for intel device
>[    4.248096] [drm:intel_update_rawclk [i915]] rawclk rate: 200000 kHz
>[    4.248317] [drm:intel_power_domains_init_hw [i915]] Initial PHY_CONTROL=0x0d0007fd
>[    4.248384] [drm:intel_power_well_enable [i915]] enabling always-on
>[    4.248440] [drm:intel_power_well_enable [i915]] enabling display
>[    4.248702] [drm:intel_power_well_enable [i915]] enabling dpio-common-bc
>[    4.248826] [drm:chv_dpio_cmn_power_well_enable [i915]] Enabled DPIO PHY0 (PHY_CONTROL=0x0d0007fd)
>[    4.248923] [drm:intel_power_well_enable [i915]] enabling dpio-common-d
>[    4.250347] [drm:chv_dpio_cmn_power_well_enable [i915]] Enabled DPIO PHY1 (PHY_CONTROL=0x0d0007ff)
>[    4.256908] [drm:intel_fbc_init [i915]] Sanitized enable_fbc value: 0
>[    4.256975] [drm:intel_modeset_init [i915]] 3 display pipes available.
>[    4.260447] [drm:intel_modeset_init [i915]] CZ clock rate: 320000 kHz
>[    4.260533] [drm:intel_update_cdclk [i915]] Current CD clock rate: 266667 kHz, VCO: 1600000 kHz, ref: 0 kHz
>[    4.260624] [drm:intel_update_max_cdclk [i915]] Max CD clock rate: 320000 kHz
>[    4.260686] [drm:intel_update_max_cdclk [i915]] Max dotclock rate: 304000 kHz
>[    4.260712] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem
>[    4.261302] [drm:intel_dp_init_connector [i915]] Adding DP connector on port B
>[    4.261417] [drm:intel_dp_init_connector [i915]] using AUX B for port B (platform default)
>[    4.261622] [drm:intel_hdmi_init_connector [i915]] Adding HDMI connector on port B
>[    4.261702] [drm:intel_hdmi_init_connector [i915]] Using DDC pin 0x5 for port B (platform default)
>[    4.261862] [drm:intel_dp_init_connector [i915]] Adding DP connector on port C
>[    4.261938] [drm:intel_dp_init_connector [i915]] using AUX C for port C (platform default)
>[    4.262068] [drm:intel_hdmi_init_connector [i915]] Adding HDMI connector on port C
>[    4.262144] [drm:intel_hdmi_init_connector [i915]] Using DDC pin 0x4 for port C (platform default)
>[    4.262297] [drm:intel_dp_init_connector [i915]] Adding DP connector on port D
>[    4.262372] [drm:intel_dp_init_connector [i915]] using AUX D for port D (platform default)
>[    4.262481] [drm:intel_hdmi_init_connector [i915]] Adding HDMI connector on port D
>[    4.262555] [drm:intel_hdmi_init_connector [i915]] Using DDC pin 0x3 for port D (platform default)
>[    4.262615] [drm:intel_dsi_init [i915]] 
>[    4.262943] [drm:intel_set_plane_visible [i915]] pipe A active planes 0x0
>[    4.263017] [drm:intel_modeset_setup_hw_state [i915]] [CRTC:34:pipe A] hw state readout: disabled
>[    4.263224] [drm:intel_set_plane_visible [i915]] pipe B active planes 0x1
>[    4.263287] [drm:intel_modeset_setup_hw_state [i915]] [CRTC:43:pipe B] hw state readout: enabled
>[    4.263355] [drm:intel_set_plane_visible [i915]] pipe C active planes 0x0
>[    4.263416] [drm:intel_modeset_setup_hw_state [i915]] [CRTC:52:pipe C] hw state readout: disabled
>[    4.263495] [drm:intel_modeset_setup_hw_state [i915]] [ENCODER:53:DP B] hw state readout: enabled, pipe B
>[    4.263562] [drm:intel_modeset_setup_hw_state [i915]] [ENCODER:57:HDMI B] hw state readout: disabled, pipe A
>[    4.263628] [drm:intel_modeset_setup_hw_state [i915]] [ENCODER:60:DP C] hw state readout: disabled, pipe A
>[    4.263694] [drm:intel_modeset_setup_hw_state [i915]] [ENCODER:62:HDMI C] hw state readout: disabled, pipe A
>[    4.263760] [drm:intel_modeset_setup_hw_state [i915]] [ENCODER:64:DP D] hw state readout: disabled, pipe A
>[    4.263826] [drm:intel_modeset_setup_hw_state [i915]] [ENCODER:66:HDMI D] hw state readout: disabled, pipe A
>[    4.264027] [drm:intel_modeset_setup_hw_state [i915]] [CONNECTOR:54:DP-1] hw state readout: enabled
>[    4.264103] [drm:intel_modeset_setup_hw_state [i915]] [CONNECTOR:58:HDMI-A-1] hw state readout: disabled
>[    4.264219] [drm:intel_modeset_setup_hw_state [i915]] [CONNECTOR:61:DP-2] hw state readout: disabled
>[    4.264287] [drm:intel_modeset_setup_hw_state [i915]] [CONNECTOR:63:HDMI-A-2] hw state readout: disabled
>[    4.264354] [drm:intel_modeset_setup_hw_state [i915]] [CONNECTOR:65:DP-3] hw state readout: disabled
>[    4.264422] [drm:intel_modeset_setup_hw_state [i915]] [CONNECTOR:67:HDMI-A-3] hw state readout: disabled
>[    4.264662] [drm:intel_dump_pipe_config [i915]] [CRTC:34:pipe A][setup_hw_state]
>[    4.264725] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 0, dithering: 0
>[    4.264786] [drm:intel_dump_pipe_config [i915]] audio: 0, infoframes: 0
>[    4.264846] [drm:intel_dump_pipe_config [i915]] requested mode:
>[    4.266845] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0x0
>[    4.266939] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[    4.266947] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0x0
>[    4.267010] [drm:intel_dump_pipe_config [i915]] crtc timings: 0 0 0 0 0 0 0 0 0, type: 0x0 flags: 0x0
>[    4.267073] [drm:intel_dump_pipe_config [i915]] port clock: 0, pipe src size: 0x0, pixel rate 0
>[    4.267134] [drm:intel_dump_pipe_config [i915]] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[    4.267239] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[    4.267301] [drm:intel_dpll_dump_hw_state [i915]] dpll_hw_state: dpll: 0x0, dpll_md: 0x0, fp0: 0x0, fp1: 0x0
>[    4.267361] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[    4.267424] [drm:intel_dump_pipe_config [i915]] [PLANE:26:primary A] disabled, scaler_id = 0
>[    4.267485] [drm:intel_dump_pipe_config [i915]] [PLANE:28:sprite A] disabled, scaler_id = 0
>[    4.267671] [drm:intel_dump_pipe_config [i915]] [PLANE:30:sprite B] disabled, scaler_id = 0
>[    4.267733] [drm:intel_dump_pipe_config [i915]] [PLANE:32:cursor A] disabled, scaler_id = 0
>[    4.268564] [drm:intel_dump_pipe_config [i915]] [CRTC:43:pipe B][setup_hw_state]
>[    4.268630] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: B, pipe bpp: 24, dithering: 0
>[    4.268692] [drm:intel_dump_pipe_config [i915]] dp m_n: lanes: 4; gmch_m: 3460300, gmch_n: 8388608, link_m: 288358, link_n: 524288, tu: 64
>[    4.268752] [drm:intel_dump_pipe_config [i915]] audio: 0, infoframes: 0
>[    4.268812] [drm:intel_dump_pipe_config [i915]] requested mode:
>[    4.268824] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 148499 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[    4.268885] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[    4.268892] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 148499 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[    4.268954] [drm:intel_dump_pipe_config [i915]] crtc timings: 148499 1920 2008 2052 2200 1080 1084 1089 1125, type: 0x40 flags: 0x5
>[    4.269015] [drm:intel_dump_pipe_config [i915]] port clock: 270000, pipe src size: 1920x1080, pixel rate 148499
>[    4.269076] [drm:intel_dump_pipe_config [i915]] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[    4.269137] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[    4.269282] [drm:intel_dpll_dump_hw_state [i915]] dpll_hw_state: dpll: 0xb0006000, dpll_md: 0x0, fp0: 0x0, fp1: 0x0
>[    4.269354] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[    4.269417] [drm:intel_dump_pipe_config [i915]] [PLANE:35:primary B] disabled, scaler_id = 0
>[    4.269489] [drm:intel_dump_pipe_config [i915]] [PLANE:37:sprite C] disabled, scaler_id = 0
>[    4.269550] [drm:intel_dump_pipe_config [i915]] [PLANE:39:sprite D] disabled, scaler_id = 0
>[    4.269611] [drm:intel_dump_pipe_config [i915]] [PLANE:41:cursor B] disabled, scaler_id = 0
>[    4.269680] [drm:intel_dump_pipe_config [i915]] [CRTC:52:pipe C][setup_hw_state]
>[    4.269741] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: C, pipe bpp: 0, dithering: 0
>[    4.269801] [drm:intel_dump_pipe_config [i915]] audio: 0, infoframes: 0
>[    4.269860] [drm:intel_dump_pipe_config [i915]] requested mode:
>[    4.269870] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0x0
>[    4.269929] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[    4.269936] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0x0
>[    4.269996] [drm:intel_dump_pipe_config [i915]] crtc timings: 0 0 0 0 0 0 0 0 0, type: 0x0 flags: 0x0
>[    4.270057] [drm:intel_dump_pipe_config [i915]] port clock: 0, pipe src size: 0x0, pixel rate 0
>[    4.270118] [drm:intel_dump_pipe_config [i915]] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[    4.270218] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[    4.270281] [drm:intel_dpll_dump_hw_state [i915]] dpll_hw_state: dpll: 0x0, dpll_md: 0x0, fp0: 0x0, fp1: 0x0
>[    4.270341] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[    4.270404] [drm:intel_dump_pipe_config [i915]] [PLANE:44:primary C] disabled, scaler_id = 0
>[    4.270465] [drm:intel_dump_pipe_config [i915]] [PLANE:46:sprite E] disabled, scaler_id = 0
>[    4.270526] [drm:intel_dump_pipe_config [i915]] [PLANE:48:sprite F] disabled, scaler_id = 0
>[    4.270587] [drm:intel_dump_pipe_config [i915]] [PLANE:50:cursor C] disabled, scaler_id = 0
>[    4.276320] [drm:vlv_wm_get_hw_state [i915]] Punit not acking DDR DVFS request, assuming DDR DVFS is disabled
>[    4.276397] [drm:vlv_wm_get_hw_state [i915]] Initial watermarks: pipe A, plane=15, cursor=15, sprite0=15, sprite1=15
>[    4.276458] [drm:vlv_wm_get_hw_state [i915]] Initial watermarks: pipe B, plane=15, cursor=15, sprite0=15, sprite1=15
>[    4.276518] [drm:vlv_wm_get_hw_state [i915]] Initial watermarks: pipe C, plane=15, cursor=15, sprite0=15, sprite1=15
>[    4.276586] [drm:vlv_wm_get_hw_state [i915]] Initial watermarks: SR plane=127, SR cursor=0 level=0 cxsr=0
>[    4.276833] [drm:intel_power_well_disable [i915]] disabling dpio-common-d
>[    4.276957] [drm:chv_dpio_cmn_power_well_disable [i915]] Disabled DPIO PHY1 (PHY_CONTROL=0x0d0007fd)
>[    4.277228] [drm:i9xx_get_initial_plane_config [i915]] pipe/plane B/1 with fb: size=1920x1080@32, offset=0, pitch 7680, size 0x7e9000
>[    4.277297] [drm:i915_gem_object_create_stolen_for_preallocated [i915]] creating preallocated stolen object: stolen_offset=0, gtt_offset=0, size=7e9000
>[    4.277489] [drm:i915_gem_object_create_stolen_for_preallocated [i915]] failed to allocate stolen space
>[    4.277576] [drm:intel_set_plane_visible [i915]] pipe B active planes 0x0
>[    4.277649] [drm:_intel_set_memory_cxsr [i915]] memory self-refresh is disabled (was disabled)
>[    4.277821] [drm:i915_gem_init_ggtt [i915]] clearing unused GTT space: [1000, 80000000]
>[    4.277978] [drm:i915_gem_context_init [i915]] logical context support initialized
>[    4.278522] [drm:intel_engine_create_scratch [i915]] rcs0 pipe control offset: 0x7ffff000
>[    4.281933] [drm:gen8_init_common_ring [i915]] Execlists enabled for rcs0
>[    4.282000] [drm:init_workarounds_ring [i915]] rcs0: Number of context specific w/a: 9
>[    4.282069] [drm:gen8_init_common_ring [i915]] Execlists enabled for bcs0
>[    4.282139] [drm:gen8_init_common_ring [i915]] Execlists enabled for vcs0
>[    4.282238] [drm:gen8_init_common_ring [i915]] Execlists enabled for vecs0
>[    4.282590] [drm:intel_init_gt_powersave [i915]] PCBR: 0x7eef8001
>[    4.282670] [drm:vlv_init_gpll_ref_freq [i915]] GPLL reference freq: 40000 kHz
>[    4.282735] [drm:intel_init_gt_powersave [i915]] DDR speed: 1600 MHz
>[    4.282799] [drm:intel_init_gt_powersave [i915]] max GPU freq: 700 MHz (70)
>[    4.282863] [drm:intel_init_gt_powersave [i915]] RPe GPU freq: 400 MHz (40)
>[    4.282927] [drm:intel_init_gt_powersave [i915]] RP1(Guar) GPU freq: 400 MHz (40)
>[    4.282992] [drm:intel_init_gt_powersave [i915]] min GPU freq: 200 MHz (20)
>[    4.283078] [drm:intel_fbdev_init [i915]] pipe A not active or no fb, skipping
>[    4.283139] [drm:intel_fbdev_init [i915]] pipe B not active or no fb, skipping
>[    4.283302] [drm:intel_fbdev_init [i915]] pipe C not active or no fb, skipping
>[    4.283361] [drm:intel_fbdev_init [i915]] no active fbs found, not using BIOS config
>[    4.291653] [drm:intel_dp_connector_register [i915]] registering DPDDC-B bus for card0-DP-1
>[    4.295356] [drm:intel_dp_connector_register [i915]] registering DPDDC-C bus for card0-DP-2
>[    4.299429] [drm:intel_dp_connector_register [i915]] registering DPDDC-D bus for card0-DP-3
>[    4.303268] [drm] Initialized i915 1.6.0 20170529 for 0000:00:02.0 on minor 0
>[    4.311104] [drm:intel_opregion_register [i915]] 6 outputs detected
>[    4.340036] r8169 0000:01:00.0 eno1: renamed from eth0
>[    4.351299] ACPI: Video Device [GFX0] (multi-head: yes  rom: no  post: no)
>[    4.354347] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input4
>[    4.356451] [drm] DRM_I915_DEBUG enabled
>[    4.356457] [drm] DRM_I915_DEBUG_GEM enabled
>[    4.356551] [drm:drm_setup_crtcs] 
>[    4.356599] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:54:DP-1]
>[    4.356778] [drm:intel_dp_detect [i915]] [CONNECTOR:54:DP-1]
>[    4.359413] [drm:intel_dp_read_dpcd [i915]] DPCD: 11 0a 84 01 01 00 01 80 02 00 00 00 00 00 00
>[    4.360487] [drm:intel_dp_detect [i915]] Display Port TPS3 support: source no, sink no
>[    4.360552] [drm:intel_dp_print_rates [i915]] source rates: 162000, 270000
>[    4.360613] [drm:intel_dp_print_rates [i915]] sink rates: 162000, 270000
>[    4.360672] [drm:intel_dp_print_rates [i915]] common rates: 162000, 270000
>[    4.361909] [drm:drm_dp_read_desc] DP sink: OUI 00-e0-4c dev-ID  HW-rev 0.0 SW-rev 0.0 quirks 0x0000
>[    4.372211] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:54:DP-1] status updated from unknown to connected
>[    4.372936] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[    4.372960] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:54:DP-1] probed modes :
>[    4.372969] [drm:drm_mode_debug_printmodeline] Modeline 70:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x48 0x5
>[    4.372975] [drm:drm_mode_debug_printmodeline] Modeline 73:"1600x900" 60 108000 1600 1624 1704 1800 900 901 904 1000 0x40 0x5
>[    4.372982] [drm:drm_mode_debug_printmodeline] Modeline 78:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[    4.372988] [drm:drm_mode_debug_printmodeline] Modeline 72:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[    4.372995] [drm:drm_mode_debug_printmodeline] Modeline 71:"1152x864" 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
>[    4.373001] [drm:drm_mode_debug_printmodeline] Modeline 79:"1024x768" 75 78750 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[    4.373007] [drm:drm_mode_debug_printmodeline] Modeline 80:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[    4.373014] [drm:drm_mode_debug_printmodeline] Modeline 81:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[    4.373020] [drm:drm_mode_debug_printmodeline] Modeline 74:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[    4.373026] [drm:drm_mode_debug_printmodeline] Modeline 75:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[    4.373033] [drm:drm_mode_debug_printmodeline] Modeline 76:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[    4.373039] [drm:drm_mode_debug_printmodeline] Modeline 77:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[    4.373047] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:58:HDMI-A-1]
>[    4.373130] [drm:intel_hdmi_detect [i915]] [CONNECTOR:58:HDMI-A-1]
>[    4.375485] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[    4.375554] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK on first message, retry
>[    4.377794] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[    4.377818] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[    4.379561] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0040 w(1)
>[    4.379653] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK on first message, retry
>[    4.382047] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0040 w(1)
>[    4.382072] [drm:drm_dp_dual_mode_detect] DP dual mode HDMI ID:  (err -6)
>[    4.382087] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:58:HDMI-A-1] status updated from unknown to disconnected
>[    4.382141] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:58:HDMI-A-1] disconnected
>[    4.382157] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:61:DP-2]
>[    4.382252] [drm:intel_dp_detect [i915]] [CONNECTOR:61:DP-2]
>[    4.382272] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:61:DP-2] status updated from unknown to disconnected
>[    4.382281] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:61:DP-2] disconnected
>[    4.382292] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:63:HDMI-A-2]
>[    4.382384] [drm:intel_hdmi_detect [i915]] [CONNECTOR:63:HDMI-A-2]
>[    4.435200] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpc] timed out, falling back to bit banging on pin 4
>[    4.451145] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[    4.505715] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpc] timed out, falling back to bit banging on pin 4
>[    4.521147] [drm:drm_dp_dual_mode_detect] DP dual mode HDMI ID:  (err -6)
>[    4.521159] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:63:HDMI-A-2] status updated from unknown to disconnected
>[    4.521165] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:63:HDMI-A-2] disconnected
>[    4.521176] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:65:DP-3]
>[    4.521240] [drm:intel_dp_detect [i915]] [CONNECTOR:65:DP-3]
>[    4.521304] [drm:intel_power_well_enable [i915]] enabling dpio-common-d
>[    4.523873] [drm:chv_dpio_cmn_power_well_enable [i915]] Enabled DPIO PHY1 (PHY_CONTROL=0x0d0007ff)
>[    4.526948] [drm:intel_dp_read_dpcd [i915]] DPCD: 11 0a 84 01 01 00 01 00 02 02 06 03 00 00 00
>[    4.527462] [drm:intel_dp_detect [i915]] Display Port TPS3 support: source no, sink no
>[    4.527537] [drm:intel_dp_print_rates [i915]] source rates: 162000, 270000
>[    4.527608] [drm:intel_dp_print_rates [i915]] sink rates: 162000, 270000
>[    4.527680] [drm:intel_dp_print_rates [i915]] common rates: 162000, 270000
>[    4.528435] [drm:drm_dp_read_desc] DP sink: OUI 00-00-00 dev-ID  HW-rev 0.0 SW-rev 0.0 quirks 0x0000
>[    4.533952] [drm:intel_power_well_disable [i915]] disabling dpio-common-d
>[    4.536209] [drm:chv_dpio_cmn_power_well_disable [i915]] Disabled DPIO PHY1 (PHY_CONTROL=0x0d0007fd)
>[    4.536271] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:65:DP-3] status updated from unknown to connected
>[    4.536410] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[    4.536438] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:65:DP-3] probed modes :
>[    4.536447] [drm:drm_mode_debug_printmodeline] Modeline 83:"1920x1200" 60 154000 1920 1968 2000 2080 1200 1203 1209 1235 0x48 0x9
>[    4.536455] [drm:drm_mode_debug_printmodeline] Modeline 87:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0xa
>[    4.536463] [drm:drm_mode_debug_printmodeline] Modeline 90:"1600x1200" 60 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x40 0x5
>[    4.536470] [drm:drm_mode_debug_printmodeline] Modeline 84:"1680x1050" 60 146250 1680 1784 1960 2240 1050 1053 1059 1089 0x40 0x6
>[    4.536478] [drm:drm_mode_debug_printmodeline] Modeline 88:"1600x900" 60 108000 1600 1624 1704 1800 900 901 904 1000 0x40 0x5
>[    4.536485] [drm:drm_mode_debug_printmodeline] Modeline 91:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[    4.536493] [drm:drm_mode_debug_printmodeline] Modeline 85:"1440x900" 60 106500 1440 1520 1672 1904 900 903 909 934 0x40 0x6
>[    4.536500] [drm:drm_mode_debug_printmodeline] Modeline 86:"1280x800" 60 83500 1280 1352 1480 1680 800 803 809 831 0x40 0x6
>[    4.536508] [drm:drm_mode_debug_printmodeline] Modeline 89:"1280x720" 60 74250 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[    4.536515] [drm:drm_mode_debug_printmodeline] Modeline 94:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[    4.536523] [drm:drm_mode_debug_printmodeline] Modeline 92:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[    4.536530] [drm:drm_mode_debug_printmodeline] Modeline 93:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[    4.536540] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:67:HDMI-A-3]
>[    4.536616] [drm:intel_hdmi_detect [i915]] [CONNECTOR:67:HDMI-A-3]
>[    4.538826] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK for addr: 0050 w(1)
>[    4.538917] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK on first message, retry
>[    4.541136] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK for addr: 0050 w(1)
>[    4.541188] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus panel
>[    4.543393] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK for addr: 0040 w(1)
>[    4.543483] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK on first message, retry
>[    4.546185] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK for addr: 0040 w(1)
>[    4.546259] [drm:drm_dp_dual_mode_detect] DP dual mode HDMI ID:  (err -6)
>[    4.546274] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:67:HDMI-A-3] status updated from unknown to disconnected
>[    4.546284] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:67:HDMI-A-3] disconnected
>[    4.546342] [drm:drm_setup_crtcs] connector 54 enabled? yes
>[    4.546351] [drm:drm_setup_crtcs] connector 58 enabled? no
>[    4.546358] [drm:drm_setup_crtcs] connector 61 enabled? no
>[    4.546366] [drm:drm_setup_crtcs] connector 63 enabled? no
>[    4.546373] [drm:drm_setup_crtcs] connector 65 enabled? yes
>[    4.546380] [drm:drm_setup_crtcs] connector 67 enabled? no
>[    4.546479] [drm:intel_fb_initial_config [i915]] Not using firmware configuration
>[    4.546503] [drm:drm_setup_crtcs] looking for cmdline mode on connector 54
>[    4.546511] [drm:drm_setup_crtcs] looking for preferred mode on connector 54 0
>[    4.546519] [drm:drm_setup_crtcs] found mode 1920x1080
>[    4.546526] [drm:drm_setup_crtcs] looking for cmdline mode on connector 65
>[    4.546533] [drm:drm_setup_crtcs] looking for preferred mode on connector 65 0
>[    4.546540] [drm:drm_setup_crtcs] found mode 1920x1200
>[    4.546548] [drm:drm_setup_crtcs] picking CRTCs for 8192x8192 config
>[    4.546632] [drm:drm_setup_crtcs] desired mode 1920x1080 set on crtc 34 (0,0)
>[    4.546657] [drm:drm_setup_crtcs] desired mode 1920x1200 set on crtc 52 (0,0)
>[    4.546784] [drm:intelfb_create [i915]] no BIOS fb, allocating a new one
>[    4.550182] [drm:intelfb_create [i915]] allocated 1920x1200 fb: 0x00020000
>[    4.552919] fbcon: inteldrmfb (fb0) is primary device
>[    4.556375] [drm:intel_atomic_check [i915]] [CONNECTOR:54:DP-1] checking for sink bpp constrains
>[    4.556514] [drm:intel_atomic_check [i915]] clamping display bpp (was 30) to EDID reported max of 24
>[    4.556643] [drm:intel_dp_compute_config [i915]] DP link computation with max lane count 4 max bw 270000 pixel clock 148500KHz
>[    4.556777] [drm:intel_dp_compute_config [i915]] DP link bw 06 rate select 00 lane count 4 clock 162000 bpp 24
>[    4.556902] [drm:intel_dp_compute_config [i915]] DP link bw required 445500 available 648000
>[    4.557031] [drm:intel_atomic_check [i915]] hw max bpp: 30, pipe bpp: 24, dithering: 0
>[    4.557158] [drm:intel_dump_pipe_config [i915]] [CRTC:34:pipe A][modeset]
>[    4.557371] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 24, dithering: 0
>[    4.557451] [drm:intel_dump_pipe_config [i915]] dp m_n: lanes: 4; gmch_m: 5767168, gmch_n: 8388608, link_m: 240298, link_n: 262144, tu: 64
>[    4.557510] [drm:intel_dump_pipe_config [i915]] audio: 0, infoframes: 0
>[    4.557568] [drm:intel_dump_pipe_config [i915]] requested mode:
>[    4.557577] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x48 0x5
>[    4.557634] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[    4.557640] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x48 0x5
>[    4.557699] [drm:intel_dump_pipe_config [i915]] crtc timings: 148500 1920 2008 2052 2200 1080 1084 1089 1125, type: 0x48 flags: 0x5
>[    4.557758] [drm:intel_dump_pipe_config [i915]] port clock: 162000, pipe src size: 1920x1080, pixel rate 148500
>[    4.557816] [drm:intel_dump_pipe_config [i915]] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[    4.557875] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[    4.557934] [drm:intel_dpll_dump_hw_state [i915]] dpll_hw_state: dpll: 0x0, dpll_md: 0x0, fp0: 0x0, fp1: 0x0
>[    4.557992] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[    4.558051] [drm:intel_dump_pipe_config [i915]] [PLANE:26:primary A] disabled, scaler_id = 0
>[    4.558109] [drm:intel_dump_pipe_config [i915]] [PLANE:28:sprite A] disabled, scaler_id = 0
>[    4.558195] [drm:intel_dump_pipe_config [i915]] [PLANE:30:sprite B] disabled, scaler_id = 0
>[    4.558254] [drm:intel_dump_pipe_config [i915]] [PLANE:32:cursor A] disabled, scaler_id = 0
>[    4.558325] [drm:intel_atomic_check [i915]] [CONNECTOR:65:DP-3] checking for sink bpp constrains
>[    4.558383] [drm:intel_atomic_check [i915]] clamping display bpp (was 30) to EDID reported max of 24
>[    4.558443] [drm:intel_dp_compute_config [i915]] DP link computation with max lane count 4 max bw 270000 pixel clock 154000KHz
>[    4.558509] [drm:intel_dp_compute_config [i915]] DP link bw 06 rate select 00 lane count 4 clock 162000 bpp 24
>[    4.558567] [drm:intel_dp_compute_config [i915]] DP link bw required 462000 available 648000
>[    4.558626] [drm:intel_atomic_check [i915]] hw max bpp: 30, pipe bpp: 24, dithering: 0
>[    4.558685] [drm:intel_dump_pipe_config [i915]] [CRTC:52:pipe C][modeset]
>[    4.558744] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: C, pipe bpp: 24, dithering: 0
>[    4.558803] [drm:intel_dump_pipe_config [i915]] dp m_n: lanes: 4; gmch_m: 5980766, gmch_n: 8388608, link_m: 249198, link_n: 262144, tu: 64
>[    4.558861] [drm:intel_dump_pipe_config [i915]] audio: 0, infoframes: 0
>[    4.558919] [drm:intel_dump_pipe_config [i915]] requested mode:
>[    4.558925] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1200" 60 154000 1920 1968 2000 2080 1200 1203 1209 1235 0x48 0x9
>[    4.558983] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[    4.558988] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1200" 60 154000 1920 1968 2000 2080 1200 1203 1209 1235 0x48 0x9
>[    4.559048] [drm:intel_dump_pipe_config [i915]] crtc timings: 154000 1920 1968 2000 2080 1200 1203 1209 1235, type: 0x48 flags: 0x9
>[    4.559106] [drm:intel_dump_pipe_config [i915]] port clock: 162000, pipe src size: 1920x1200, pixel rate 154000
>[    4.559188] [drm:intel_dump_pipe_config [i915]] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[    4.559247] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[    4.559306] [drm:intel_dpll_dump_hw_state [i915]] dpll_hw_state: dpll: 0x0, dpll_md: 0x0, fp0: 0x0, fp1: 0x0
>[    4.559364] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[    4.559423] [drm:intel_dump_pipe_config [i915]] [PLANE:44:primary C] disabled, scaler_id = 0
>[    4.559481] [drm:intel_dump_pipe_config [i915]] [PLANE:46:sprite E] disabled, scaler_id = 0
>[    4.559540] [drm:intel_dump_pipe_config [i915]] [PLANE:48:sprite F] disabled, scaler_id = 0
>[    4.559598] [drm:intel_dump_pipe_config [i915]] [PLANE:50:cursor C] disabled, scaler_id = 0
>[    4.559667] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 266667 kHz, actual 266667 kHz
>[    4.559729] [drm:vlv_compute_pipe_wm [i915]] primary A watermarks: PM2=120, PM5=120, DDR DVFS=0
>[    4.559785] [drm:vlv_compute_pipe_wm [i915]] primary C watermarks: PM2=120, PM5=120, DDR DVFS=0
>[    4.561794] [drm:intel_disable_pipe [i915]] disabling pipe B
>[    4.576502] [drm:intel_dp_link_down [i915]] 
>[    4.579543] [drm:chv_phy_powergate_lanes [i915]] Power gating DPIO PHY0 CH0 lanes 0x0 (PHY_CONTROL=0x050007fd)
>[    4.580035] [drm:intel_power_well_enable [i915]] enabling dpio-common-d
>[    4.583107] [drm:chv_dpio_cmn_power_well_enable [i915]] Enabled DPIO PHY1 (PHY_CONTROL=0x050007ff)
>[    4.586070] [drm:intel_atomic_commit_tail [i915]] [ENCODER:53:DP B]
>[    4.586295] [drm:intel_atomic_commit_tail [i915]] [ENCODER:57:HDMI B]
>[    4.586640] [drm:intel_atomic_commit_tail [i915]] [ENCODER:60:DP C]
>[    4.586862] [drm:intel_atomic_commit_tail [i915]] [ENCODER:62:HDMI C]
>[    4.587082] [drm:intel_atomic_commit_tail [i915]] [ENCODER:64:DP D]
>[    4.587302] [drm:intel_atomic_commit_tail [i915]] [ENCODER:66:HDMI D]
>[    4.587970] [drm:chv_phy_powergate_lanes [i915]] Power gating DPIO PHY0 CH0 lanes 0x0 (PHY_CONTROL=0x0d0007ff)
>[    4.591914] [drm:intel_dp_program_link_training_pattern [i915]] Using DP training pattern TPS1
>[    4.594406] [drm:intel_dp_set_signal_levels [i915]] Using vswing level 0
>[    4.594516] [drm:intel_dp_set_signal_levels [i915]] Using pre-emphasis level 0
>[    4.594629] [drm:intel_dp_program_link_training_pattern [i915]] Using DP training pattern TPS1
>[    4.598347] [drm:intel_dp_start_link_train [i915]] clock recovery OK
>[    4.598459] [drm:intel_dp_program_link_training_pattern [i915]] Using DP training pattern TPS2
>[    4.601930] [drm:intel_dp_start_link_train [i915]] Channel EQ done. DP Training successful
>[    4.602041] [drm:intel_dp_start_link_train [i915]] Link Training Passed at Link Rate = 162000, Lane count = 4
>[    4.603280] [drm:intel_enable_pipe [i915]] enabling pipe A
>[    4.603476] [drm:intel_psr_enable [i915]] PSR not supported by this panel
>[    4.603715] [drm:chv_phy_powergate_lanes [i915]] Power gating DPIO PHY1 CH0 lanes 0x0 (PHY_CONTROL=0x2d0007ff)
>[    4.607167] [drm:intel_dp_program_link_training_pattern [i915]] Using DP training pattern TPS1
>[    4.608552] [drm:intel_dp_set_signal_levels [i915]] Using vswing level 0
>[    4.608610] [drm:intel_dp_set_signal_levels [i915]] Using pre-emphasis level 0
>[    4.608670] [drm:intel_dp_program_link_training_pattern [i915]] Using DP training pattern TPS1
>[    4.609894] [drm:intel_dp_start_link_train [i915]] clock recovery OK
>[    4.610000] [drm:intel_dp_program_link_training_pattern [i915]] Using DP training pattern TPS2
>[    4.611824] [drm:intel_dp_start_link_train [i915]] Channel EQ done. DP Training successful
>[    4.611929] [drm:intel_dp_start_link_train [i915]] Link Training Passed at Link Rate = 162000, Lane count = 4
>[    4.612910] [drm:intel_enable_pipe [i915]] enabling pipe C
>[    4.613065] [drm:intel_psr_enable [i915]] PSR not supported by this panel
>[    4.630311] [drm:verify_connector_state.isra.51 [i915]] [CONNECTOR:54:DP-1]
>[    4.630435] [drm:intel_atomic_commit_tail [i915]] [CRTC:34:pipe A]
>[    4.630739] [drm:intel_atomic_commit_tail [i915]] [CRTC:43:pipe B]
>[    4.630871] [drm:verify_connector_state.isra.51 [i915]] [CONNECTOR:65:DP-3]
>[    4.630991] [drm:intel_atomic_commit_tail [i915]] [CRTC:52:pipe C]
>[    4.631569] Console: switching to colour frame buffer device 240x67
>[    4.667659] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
>[    4.877507] EXT4-fs (sda2): mounted filesystem with ordered data mode. Opts: (null)
>[    5.320451] systemd[1]: systemd 231 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ -LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD +IDN)
>[    5.321778] systemd[1]: Detected architecture x86-64.
>[    5.322498] systemd[1]: Set hostname to <BSW-2-BRASWELL>.
>[    5.663043] systemd[1]: Created slice System Slice.
>[    5.664588] systemd[1]: Created slice system-systemd\x2dfsck.slice.
>[    5.664640] systemd[1]: Reached target Encrypted Volumes.
>[    5.665003] systemd[1]: Listening on /dev/initctl Compatibility Named Pipe.
>[    5.665047] systemd[1]: Reached target Remote File Systems.
>[    5.665650] systemd[1]: Listening on udev Control Socket.
>[    5.666591] systemd[1]: Created slice User and Session Slice.
>[    5.767808] [drm:intel_enable_gt_powersave [i915]] GPLL enabled? yes
>[    5.767949] [drm:intel_enable_gt_powersave [i915]] GPU status: 0x00002810
>[    6.075168] EXT4-fs (sda2): re-mounted. Opts: (null)
>[    6.136689] systemd-journald[250]: Received request to flush runtime journal from PID 1
>[    7.632720] snd_hda_intel 0000:00:1b.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915])
>[    7.694574] snd_hda_codec_realtek hdaudioC0D0: autoconfig for ALC233: line_outs=1 (0x1b/0x0/0x0/0x0/0x0) type:line
>[    7.694583] snd_hda_codec_realtek hdaudioC0D0:    speaker_outs=1 (0x14/0x0/0x0/0x0/0x0)
>[    7.694588] snd_hda_codec_realtek hdaudioC0D0:    hp_outs=1 (0x21/0x0/0x0/0x0/0x0)
>[    7.694592] snd_hda_codec_realtek hdaudioC0D0:    mono: mono_out=0x0
>[    7.694596] snd_hda_codec_realtek hdaudioC0D0:    inputs:
>[    7.694601] snd_hda_codec_realtek hdaudioC0D0:      Mic=0x1a
>[    7.694605] snd_hda_codec_realtek hdaudioC0D0:      Mic=0x19
>[    7.766819] [drm:i915_audio_component_get_eld [i915]] Not valid for port B
>[    7.766897] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[    7.766949] [drm:i915_audio_component_get_eld [i915]] Not valid for port D
>[    7.777438] input: HDA Intel PCH Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input5
>[    7.779257] input: HDA Intel PCH Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input6
>[    7.780055] input: HDA Intel PCH Line Out as /devices/pci0000:00/0000:00:1b.0/sound/card0/input7
>[    7.780876] input: HDA Intel PCH Front Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input8
>[    7.781707] input: HDA Intel PCH HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:1b.0/sound/card0/input9
>[    7.782541] input: HDA Intel PCH HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:1b.0/sound/card0/input10
>[    7.783908] input: HDA Intel PCH HDMI/DP,pcm=8 as /devices/pci0000:00/0000:00:1b.0/sound/card0/input11
>[    8.224027] Adding 16642044k swap on /dev/sda3.  Priority:-1 extents:1 across:16642044k SSFS
>[    8.551335] r8169 0000:01:00.0 eno1: link down
>[    8.551382] r8169 0000:01:00.0 eno1: link down
>[    8.551818] IPv6: ADDRCONF(NETDEV_UP): eno1: link is not ready
>[    9.134663] new mount options do not match the existing superblock, will be ignored
>[   10.848277] systemd[1]: Started CUPS Scheduler.
>[   10.860962] systemd[1]: Started ACPI event daemon.
>[   11.916324] r8169 0000:01:00.0 eno1: link up
>[   11.916433] IPv6: ADDRCONF(NETDEV_CHANGE): eno1: link becomes ready
>[   14.188610] random: crng init done
>[   14.856032] [drm:drm_fb_helper_hotplug_event] 
>[   14.856164] [drm:drm_setup_crtcs] 
>[   14.856230] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:54:DP-1]
>[   14.856428] [drm:intel_dp_detect [i915]] [CONNECTOR:54:DP-1]
>[   14.858532] [drm:intel_dp_read_dpcd [i915]] DPCD: 11 0a 84 01 01 00 01 80 02 00 00 00 00 00 00
>[   14.859838] [drm:intel_dp_detect [i915]] Display Port TPS3 support: source no, sink no
>[   14.859927] [drm:intel_dp_print_rates [i915]] source rates: 162000, 270000
>[   14.860010] [drm:intel_dp_print_rates [i915]] sink rates: 162000, 270000
>[   14.860094] [drm:intel_dp_print_rates [i915]] common rates: 162000, 270000
>[   14.862328] [drm:drm_dp_read_desc] DP sink: OUI 00-e0-4c dev-ID  HW-rev 0.0 SW-rev 0.0 quirks 0x0000
>[   14.874100] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[   14.874342] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:54:DP-1] probed modes :
>[   14.874352] [drm:drm_mode_debug_printmodeline] Modeline 70:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x48 0x5
>[   14.874358] [drm:drm_mode_debug_printmodeline] Modeline 73:"1600x900" 60 108000 1600 1624 1704 1800 900 901 904 1000 0x40 0x5
>[   14.874365] [drm:drm_mode_debug_printmodeline] Modeline 78:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[   14.874371] [drm:drm_mode_debug_printmodeline] Modeline 72:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[   14.874378] [drm:drm_mode_debug_printmodeline] Modeline 71:"1152x864" 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
>[   14.874384] [drm:drm_mode_debug_printmodeline] Modeline 79:"1024x768" 75 78750 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[   14.874390] [drm:drm_mode_debug_printmodeline] Modeline 80:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[   14.874397] [drm:drm_mode_debug_printmodeline] Modeline 81:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[   14.874403] [drm:drm_mode_debug_printmodeline] Modeline 74:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[   14.874409] [drm:drm_mode_debug_printmodeline] Modeline 75:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[   14.874416] [drm:drm_mode_debug_printmodeline] Modeline 76:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[   14.874422] [drm:drm_mode_debug_printmodeline] Modeline 77:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[   14.874430] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:58:HDMI-A-1]
>[   14.874502] [drm:intel_hdmi_detect [i915]] [CONNECTOR:58:HDMI-A-1]
>[   14.876249] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[   14.876320] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK on first message, retry
>[   14.878567] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[   14.878584] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[   14.880964] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0040 w(1)
>[   14.881038] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK on first message, retry
>[   14.883550] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0040 w(1)
>[   14.883576] [drm:drm_dp_dual_mode_detect] DP dual mode HDMI ID:  (err -6)
>[   14.883592] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:58:HDMI-A-1] disconnected
>[   14.883608] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:61:DP-2]
>[   14.883683] [drm:intel_dp_detect [i915]] [CONNECTOR:61:DP-2]
>[   14.883704] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:61:DP-2] disconnected
>[   14.883715] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:63:HDMI-A-2]
>[   14.883787] [drm:intel_hdmi_detect [i915]] [CONNECTOR:63:HDMI-A-2]
>[   14.936791] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpc] timed out, falling back to bit banging on pin 4
>[   14.952164] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[   15.004319] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpc] timed out, falling back to bit banging on pin 4
>[   15.020161] [drm:drm_dp_dual_mode_detect] DP dual mode HDMI ID:  (err -6)
>[   15.020177] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:63:HDMI-A-2] disconnected
>[   15.020189] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:65:DP-3]
>[   15.020264] [drm:intel_dp_detect [i915]] [CONNECTOR:65:DP-3]
>[   15.020893] [drm:intel_dp_read_dpcd [i915]] DPCD: 11 0a 84 01 01 00 01 00 02 02 06 05 00 00 00
>[   15.021583] [drm:intel_dp_detect [i915]] Display Port TPS3 support: source no, sink no
>[   15.021635] [drm:intel_dp_print_rates [i915]] source rates: 162000, 270000
>[   15.021682] [drm:intel_dp_print_rates [i915]] sink rates: 162000, 270000
>[   15.021729] [drm:intel_dp_print_rates [i915]] common rates: 162000, 270000
>[   15.022536] [drm:drm_dp_read_desc] DP sink: OUI 00-00-00 dev-ID  HW-rev 0.0 SW-rev 0.0 quirks 0x0000
>[   15.028079] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[   15.028295] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:65:DP-3] probed modes :
>[   15.028305] [drm:drm_mode_debug_printmodeline] Modeline 83:"1920x1200" 60 154000 1920 1968 2000 2080 1200 1203 1209 1235 0x48 0x9
>[   15.028312] [drm:drm_mode_debug_printmodeline] Modeline 87:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0xa
>[   15.028319] [drm:drm_mode_debug_printmodeline] Modeline 90:"1600x1200" 60 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x40 0x5
>[   15.028325] [drm:drm_mode_debug_printmodeline] Modeline 84:"1680x1050" 60 146250 1680 1784 1960 2240 1050 1053 1059 1089 0x40 0x6
>[   15.028331] [drm:drm_mode_debug_printmodeline] Modeline 88:"1600x900" 60 108000 1600 1624 1704 1800 900 901 904 1000 0x40 0x5
>[   15.028338] [drm:drm_mode_debug_printmodeline] Modeline 91:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[   15.028344] [drm:drm_mode_debug_printmodeline] Modeline 85:"1440x900" 60 106500 1440 1520 1672 1904 900 903 909 934 0x40 0x6
>[   15.028351] [drm:drm_mode_debug_printmodeline] Modeline 86:"1280x800" 60 83500 1280 1352 1480 1680 800 803 809 831 0x40 0x6
>[   15.028357] [drm:drm_mode_debug_printmodeline] Modeline 89:"1280x720" 60 74250 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[   15.028363] [drm:drm_mode_debug_printmodeline] Modeline 94:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[   15.028370] [drm:drm_mode_debug_printmodeline] Modeline 92:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[   15.028376] [drm:drm_mode_debug_printmodeline] Modeline 93:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[   15.028385] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:67:HDMI-A-3]
>[   15.028463] [drm:intel_hdmi_detect [i915]] [CONNECTOR:67:HDMI-A-3]
>[   15.030650] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK for addr: 0050 w(1)
>[   15.030701] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK on first message, retry
>[   15.032828] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK for addr: 0050 w(1)
>[   15.032846] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus panel
>[   15.035027] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK for addr: 0040 w(1)
>[   15.035079] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK on first message, retry
>[   15.037273] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK for addr: 0040 w(1)
>[   15.037292] [drm:drm_dp_dual_mode_detect] DP dual mode HDMI ID:  (err -6)
>[   15.037304] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:67:HDMI-A-3] disconnected
>[   15.037359] [drm:drm_setup_crtcs] connector 54 enabled? yes
>[   15.037365] [drm:drm_setup_crtcs] connector 58 enabled? no
>[   15.037370] [drm:drm_setup_crtcs] connector 61 enabled? no
>[   15.037375] [drm:drm_setup_crtcs] connector 63 enabled? no
>[   15.037380] [drm:drm_setup_crtcs] connector 65 enabled? yes
>[   15.037385] [drm:drm_setup_crtcs] connector 67 enabled? no
>[   15.037444] [drm:intel_fb_initial_config [i915]] Not using firmware configuration
>[   15.037465] [drm:drm_setup_crtcs] looking for cmdline mode on connector 54
>[   15.037472] [drm:drm_setup_crtcs] looking for preferred mode on connector 54 0
>[   15.037476] [drm:drm_setup_crtcs] found mode 1920x1080
>[   15.037481] [drm:drm_setup_crtcs] looking for cmdline mode on connector 65
>[   15.037486] [drm:drm_setup_crtcs] looking for preferred mode on connector 65 0
>[   15.037491] [drm:drm_setup_crtcs] found mode 1920x1200
>[   15.037496] [drm:drm_setup_crtcs] picking CRTCs for 1920x1200 config
>[   15.037572] [drm:drm_setup_crtcs] desired mode 1920x1080 set on crtc 34 (0,0)
>[   15.037590] [drm:drm_setup_crtcs] desired mode 1920x1200 set on crtc 52 (0,0)
>[  370.020703] Console: switching to colour dummy device 80x25
>[  370.021294] [IGT] gem_tiled_fence_blits: executing
>[  370.046699] [IGT] gem_tiled_fence_blits: starting subtest normal
>[  370.049028] gem_tiled_fence (1301): drop_caches: 4
>[  384.964254] Console: switching to colour frame buffer device 240x67
>
>[  412.327264] ======================================================
>[  412.327393] WARNING: possible circular locking dependency detected
>[  412.327628] 4.12.0-rc3-drm-tip-ww22-commit-4aa1d46+ #1 Not tainted
>[  412.327897] ------------------------------------------------------
>[  412.328167] kworker/u8:2/96 is trying to acquire lock:
>[  412.328394]  (&buf->lock){+.+...}, at: [<ffffffff8153cc82>] tty_buffer_flush+0x32/0xa0
>[  412.328770] 
>               but task is already holding lock:
>[  412.329024]  (&o_tty->termios_rwsem/1){++++..}, at: [<ffffffff8153763c>] isig+0x3c/0xf0
>[  412.329394] 
>               which lock already depends on the new lock.
>
>[  412.329741] 
>               the existing dependency chain (in reverse order) is:
>[  412.330061] 
>               -> #2 (&o_tty->termios_rwsem/1){++++..}:
>[  412.330375]        lock_acquire+0x9e/0x1e0
>[  412.330570]        down_read+0x39/0x60
>[  412.330749]        n_tty_write+0x8a/0x470
>[  412.330937]        tty_write+0x1a6/0x320
>[  412.331124]        __vfs_write+0x23/0x120
>[  412.331311]        vfs_write+0xc5/0x1d0
>[  412.331491]        SyS_write+0x44/0xb0
>[  412.331671]        entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  412.331898] 
>               -> #1 (&tty->atomic_write_lock){+.+.+.}:
>[  412.332205]        lock_acquire+0x9e/0x1e0
>[  412.332398]        __mutex_lock+0x83/0x980
>[  412.332590]        mutex_lock_nested+0x16/0x20
>[  412.332798]        tty_port_default_receive_buf+0x43/0x90
>[  412.333042]        flush_to_ldisc+0x9c/0xb0
>[  412.333239]        process_one_work+0x1fe/0x670
>[  412.333449]        worker_thread+0x49/0x3b0
>[  412.333643]        kthread+0x10f/0x150
>[  412.333823]        ret_from_fork+0x27/0x40
>[  412.334008] 
>               -> #0 (&buf->lock){+.+...}:
>[  412.334269]        __lock_acquire+0x15a0/0x1790
>[  412.334479]        lock_acquire+0x9e/0x1e0
>[  412.334671]        __mutex_lock+0x83/0x980
>[  412.334863]        mutex_lock_nested+0x16/0x20
>[  412.335071]        tty_buffer_flush+0x32/0xa0
>[  412.342677]        pty_flush_buffer+0x22/0x80
>[  412.350302]        tty_driver_flush_buffer+0x16/0x20
>[  412.358035]        isig+0x90/0xf0
>[  412.365761]        n_tty_receive_signal_char+0x17/0x60
>[  412.373610]        n_tty_receive_char_special+0x8c9/0xad0
>[  412.381491]        n_tty_receive_buf_common+0xa39/0xc60
>[  412.389433]        n_tty_receive_buf2+0xf/0x20
>[  412.397388]        tty_ldisc_receive_buf+0x1d/0x50
>[  412.405440]        tty_port_default_receive_buf+0x54/0x90
>[  412.413602]        flush_to_ldisc+0x9c/0xb0
>[  412.421791]        process_one_work+0x1fe/0x670
>[  412.430025]        worker_thread+0x49/0x3b0
>[  412.438313]        kthread+0x10f/0x150
>[  412.446631]        ret_from_fork+0x27/0x40
>[  412.455002] 
>               other info that might help us debug this:
>
>[  412.480075] Chain exists of:
>                 &buf->lock --> &tty->atomic_write_lock --> &o_tty->termios_rwsem/1
>
>[  412.506170]  Possible unsafe locking scenario:
>
>[  412.523869]        CPU0                    CPU1
>[  412.532895]        ----                    ----
>[  412.541923]   lock(&o_tty->termios_rwsem/1);
>[  412.550864]                                lock(&tty->atomic_write_lock);
>[  412.559926]                                lock(&o_tty->termios_rwsem/1);
>[  412.568900]   lock(&buf->lock);
>[  412.577716] 
>                *** DEADLOCK ***
>
>[  412.603025] 6 locks held by kworker/u8:2/96:
>[  412.611303]  #0:  ("events_unbound"){.+.+.+}, at: [<ffffffff8109add8>] process_one_work+0x178/0x670
>[  412.619935]  #1:  ((&buf->work)){+.+...}, at: [<ffffffff8109add8>] process_one_work+0x178/0x670
>[  412.628566]  #2:  (&port->buf.lock/1){+.+...}, at: [<ffffffff8153c750>] flush_to_ldisc+0x20/0xb0
>[  412.637331]  #3:  (&tty->ldisc_sem){++++.+}, at: [<ffffffff8153bb4a>] tty_ldisc_ref+0x1a/0x50
>[  412.646199]  #4:  (&tty->atomic_write_lock){+.+.+.}, at: [<ffffffff8153d073>] tty_port_default_receive_buf+0x43/0x90
>[  412.655462]  #5:  (&o_tty->termios_rwsem/1){++++..}, at: [<ffffffff8153763c>] isig+0x3c/0xf0
>[  412.664722] 
>               stack backtrace:
>[  412.682766] CPU: 0 PID: 96 Comm: kworker/u8:2 Not tainted 4.12.0-rc3-drm-tip-ww22-commit-4aa1d46+ #1
>[  412.692200] Hardware name: LENOVO 10G9000NUS/BRASWELL, BIOS M00KT33AUS 08/12/2015
>[  412.701785] Workqueue: events_unbound flush_to_ldisc
>[  412.711431] Call Trace:
>[  412.721043]  dump_stack+0x67/0x97
>[  412.730691]  print_circular_bug+0x1e0/0x2d0
>[  412.740410]  __lock_acquire+0x15a0/0x1790
>[  412.750200]  lock_acquire+0x9e/0x1e0
>[  412.759946]  ? lock_acquire+0x9e/0x1e0
>[  412.769670]  ? tty_buffer_flush+0x32/0xa0
>[  412.779375]  ? tty_buffer_flush+0x32/0xa0
>[  412.788952]  __mutex_lock+0x83/0x980
>[  412.798553]  ? tty_buffer_flush+0x32/0xa0
>[  412.808183]  ? isig+0x59/0xf0
>[  412.817745]  ? tty_buffer_flush+0x32/0xa0
>[  412.827315]  ? __mutex_lock+0x3b1/0x980
>[  412.836869]  ? isig+0x88/0xf0
>[  412.846390]  mutex_lock_nested+0x16/0x20
>[  412.855974]  ? mutex_lock_nested+0x16/0x20
>[  412.865599]  tty_buffer_flush+0x32/0xa0
>[  412.875230]  pty_flush_buffer+0x22/0x80
>[  412.884856]  tty_driver_flush_buffer+0x16/0x20
>[  412.894497]  isig+0x90/0xf0
>[  412.904101]  n_tty_receive_signal_char+0x17/0x60
>[  412.913843]  n_tty_receive_char_special+0x8c9/0xad0
>[  412.923600]  n_tty_receive_buf_common+0xa39/0xc60
>[  412.933342]  n_tty_receive_buf2+0xf/0x20
>[  412.943054]  tty_ldisc_receive_buf+0x1d/0x50
>[  412.952784]  ? mutex_lock_nested+0x16/0x20
>[  412.962499]  tty_port_default_receive_buf+0x54/0x90
>[  412.972255]  flush_to_ldisc+0x9c/0xb0
>[  412.982009]  process_one_work+0x1fe/0x670
>[  412.991794]  worker_thread+0x49/0x3b0
>[  413.001584]  kthread+0x10f/0x150
>[  413.011336]  ? process_one_work+0x670/0x670
>[  413.021111]  ? kthread_create_on_node+0x40/0x40
>[  413.030873]  ret_from_fork+0x27/0x40

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