Attachment 110564 Details for Bug 87099 – dmesg drm-intel-nightly 3.18.0-00343-gfc7bddc

dmesg drm-intel-nightly 3.18.0-00343-gfc7bddc

dmesg-boot-w-3outputs-remove-dp.log (text/plain), 144.58 KB, created by Daniel Martin on 2014-12-08 14:05:23 UTC

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Creator: Daniel Martin

Created: 2014-12-08 14:05:23 UTC

Size: 144.58 KB

patch

obsolete

>[    0.000000] Initializing cgroup subsys cpuset
>[    0.000000] Initializing cgroup subsys cpu
>[    0.000000] Initializing cgroup subsys cpuacct
>[    0.000000] Linux version 3.18.0-00343-gfc7bddc (dmartin@sn-dd496) (gcc version 4.9.1 20140903 (prerelease) (GCC) ) #11 SMP Mon Dec 8 14:20:45 CET 2014
>[    0.000000] Command line: BOOT_IMAGE=bzImage-current ip=:::::eth0:dhcp nfsroot=192.168.1.1:/srv/nfs/archlinux root=/dev/nfs nfsrootdebug ro drm.debug=0xe verbose loglevel=8
>[    0.000000] e820: BIOS-provided physical RAM map:
>[    0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009cfff] usable
>[    0.000000] BIOS-e820: [mem 0x000000000009d000-0x000000000009ffff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000000e0000-0x00000000000fffff] reserved
>[    0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000ce1e6fff] usable
>[    0.000000] BIOS-e820: [mem 0x00000000ce1e7000-0x00000000dcd3efff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000dcd3f000-0x00000000dce7efff] ACPI NVS
>[    0.000000] BIOS-e820: [mem 0x00000000dce7f000-0x00000000dcefefff] ACPI data
>[    0.000000] BIOS-e820: [mem 0x00000000dceff000-0x00000000df9fffff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000f8000000-0x00000000fbffffff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000fe101000-0x00000000fe112fff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000fec00000-0x00000000fec00fff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000fed08000-0x00000000fed08fff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed1ffff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000fee00000-0x00000000fee00fff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000ffc00000-0x00000000ffffffff] reserved
>[    0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000031e5fffff] usable
>[    0.000000] NX (Execute Disable) protection: active
>[    0.000000] SMBIOS 2.7 present.
>[    0.000000] DMI: LENOVO 20ARS36E00/20ARS36E00, BIOS GJET78WW (2.28 ) 07/29/2014
>[    0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
>[    0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable
>[    0.000000] AGP: No AGP bridge found
>[    0.000000] e820: last_pfn = 0x31e600 max_arch_pfn = 0x400000000
>[    0.000000] MTRR default type: write-back
>[    0.000000] MTRR fixed ranges enabled:
>[    0.000000]   00000-9FFFF write-back
>[    0.000000]   A0000-BFFFF uncachable
>[    0.000000]   C0000-FFFFF write-protect
>[    0.000000] MTRR variable ranges enabled:
>[    0.000000]   0 base 00E0000000 mask 7FE0000000 uncachable
>[    0.000000]   1 base 00DE000000 mask 7FFE000000 uncachable
>[    0.000000]   2 base 00DD000000 mask 7FFF000000 uncachable
>[    0.000000]   3 base 00DCF00000 mask 7FFFF00000 uncachable
>[    0.000000]   4 disabled
>[    0.000000]   5 disabled
>[    0.000000]   6 disabled
>[    0.000000]   7 disabled
>[    0.000000]   8 disabled
>[    0.000000]   9 disabled
>[    0.000000] x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106
>[    0.000000] e820: last_pfn = 0xce1e7 max_arch_pfn = 0x400000000
>[    0.000000] found SMP MP-table at [mem 0x000f0100-0x000f010f] mapped at [ffff8800000f0100]
>[    0.000000] Scanning 1 areas for low memory corruption
>[    0.000000] Base memory trampoline at [ffff880000080000] 80000 size 24576
>[    0.000000] Using GB pages for direct mapping
>[    0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff]
>[    0.000000]  [mem 0x00000000-0x000fffff] page 4k
>[    0.000000] BRK [0x029c6000, 0x029c6fff] PGTABLE
>[    0.000000] BRK [0x029c7000, 0x029c7fff] PGTABLE
>[    0.000000] BRK [0x029c8000, 0x029c8fff] PGTABLE
>[    0.000000] init_memory_mapping: [mem 0x31e400000-0x31e5fffff]
>[    0.000000]  [mem 0x31e400000-0x31e5fffff] page 2M
>[    0.000000] BRK [0x029c9000, 0x029c9fff] PGTABLE
>[    0.000000] init_memory_mapping: [mem 0x31c000000-0x31e3fffff]
>[    0.000000]  [mem 0x31c000000-0x31e3fffff] page 2M
>[    0.000000] init_memory_mapping: [mem 0x300000000-0x31bffffff]
>[    0.000000]  [mem 0x300000000-0x31bffffff] page 2M
>[    0.000000] init_memory_mapping: [mem 0x00100000-0xce1e6fff]
>[    0.000000]  [mem 0x00100000-0x001fffff] page 4k
>[    0.000000]  [mem 0x00200000-0x3fffffff] page 2M
>[    0.000000]  [mem 0x40000000-0xbfffffff] page 1G
>[    0.000000]  [mem 0xc0000000-0xcdffffff] page 2M
>[    0.000000]  [mem 0xce000000-0xce1e6fff] page 4k
>[    0.000000] init_memory_mapping: [mem 0x100000000-0x2ffffffff]
>[    0.000000]  [mem 0x100000000-0x2ffffffff] page 1G
>[    0.000000] ACPI: Early table checksum verification disabled
>[    0.000000] ACPI: RSDP 0x00000000000F0120 000024 (v02 LENOVO)
>[    0.000000] ACPI: XSDT 0x00000000DCEFE170 0000DC (v01 LENOVO TP-GJ    00002280 PTEC 00000002)
>[    0.000000] ACPI: FACP 0x00000000DCEF8000 00010C (v05 LENOVO TP-GJ    00002280 PTEC 00000002)
>[    0.000000] ACPI: DSDT 0x00000000DCEE2000 010DFE (v01 LENOVO TP-GJ    00002280 INTL 20120711)
>[    0.000000] ACPI: FACS 0x00000000DCE4A000 000040
>[    0.000000] ACPI: SLIC 0x00000000DCEFD000 000176 (v01 LENOVO TP-GJ    00002280 PTEC 00000001)
>[    0.000000] ACPI: DBGP 0x00000000DCEFB000 000034 (v01 LENOVO TP-GJ    00002280 PTEC 00000002)
>[    0.000000] ACPI: ECDT 0x00000000DCEFA000 000052 (v01 LENOVO TP-GJ    00002280 PTEC 00000002)
>[    0.000000] ACPI: HPET 0x00000000DCEF7000 000038 (v01 LENOVO TP-GJ    00002280 PTEC 00000002)
>[    0.000000] ACPI: APIC 0x00000000DCEF6000 000098 (v01 LENOVO TP-GJ    00002280 PTEC 00000002)
>[    0.000000] ACPI: MCFG 0x00000000DCEF5000 00003C (v01 LENOVO TP-GJ    00002280 PTEC 00000002)
>[    0.000000] ACPI: SSDT 0x00000000DCEF4000 000033 (v01 LENOVO TP-SSDT1 00000100 INTL 20120711)
>[    0.000000] ACPI: SSDT 0x00000000DCEF3000 000486 (v01 LENOVO TP-SSDT2 00000200 INTL 20120711)
>[    0.000000] ACPI: SSDT 0x00000000DCEE1000 0009CB (v01 LENOVO SataAhci 00001000 INTL 20120711)
>[    0.000000] ACPI: SSDT 0x00000000DCEE0000 000152 (v01 LENOVO Rmv_Batt 00001000 INTL 20120711)
>[    0.000000] ACPI: SSDT 0x00000000DCEDF000 0007F5 (v01 LENOVO Cpu0Ist  00003000 INTL 20120711)
>[    0.000000] ACPI: SSDT 0x00000000DCEDE000 000AD8 (v01 LENOVO CpuPm    00003000 INTL 20120711)
>[    0.000000] ACPI: SSDT 0x00000000DCEDC000 00125C (v01 LENOVO SaSsdt   00003000 INTL 20120711)
>[    0.000000] ACPI: SSDT 0x00000000DCEDB000 000379 (v01 LENOVO CppcTabl 00001000 INTL 20120711)
>[    0.000000] ACPI: PCCT 0x00000000DCEDA000 00006E (v05 LENOVO TP-GJ    00002280 PTEC 00000002)
>[    0.000000] ACPI: SSDT 0x00000000DCED9000 000AC4 (v01 LENOVO Cpc_Tabl 00001000 INTL 20120711)
>[    0.000000] ACPI: UEFI 0x00000000DCED8000 000042 (v01 LENOVO TP-GJ    00002280 PTEC 00000002)
>[    0.000000] ACPI: MSDM 0x00000000DCE42000 000055 (v03 LENOVO TP-GJ    00002280 PTEC 00000002)
>[    0.000000] ACPI: ASF! 0x00000000DCEFC000 0000A5 (v32 LENOVO TP-GJ    00002280 PTEC 00000002)
>[    0.000000] ACPI: BATB 0x00000000DCED7000 000046 (v01 LENOVO TP-GJ    00002280 PTEC 00000002)
>[    0.000000] ACPI: FPDT 0x00000000DCED6000 000064 (v01 LENOVO TP-GJ    00002280 PTEC 00000002)
>[    0.000000] ACPI: UEFI 0x00000000DCED5000 0002F6 (v01 LENOVO TP-GJ    00002280 PTEC 00000002)
>[    0.000000] ACPI: Local APIC address 0xfee00000
>[    0.000000] No NUMA configuration found
>[    0.000000] Faking a node at [mem 0x0000000000000000-0x000000031e5fffff]
>[    0.000000] NODE_DATA(0) allocated [mem 0x31e5f9000-0x31e5fdfff]
>[    0.000000]  [ffffea0000000000-ffffea000c7fffff] PMD -> [ffff880312000000-ffff88031dbfffff] on node 0
>[    0.000000] Zone ranges:
>[    0.000000]   DMA      [mem 0x00001000-0x00ffffff]
>[    0.000000]   DMA32    [mem 0x01000000-0xffffffff]
>[    0.000000]   Normal   [mem 0x100000000-0x31e5fffff]
>[    0.000000] Movable zone start for each node
>[    0.000000] Early memory node ranges
>[    0.000000]   node   0: [mem 0x00001000-0x0009cfff]
>[    0.000000]   node   0: [mem 0x00100000-0xce1e6fff]
>[    0.000000]   node   0: [mem 0x100000000-0x31e5fffff]
>[    0.000000] Initmem setup node 0 [mem 0x00001000-0x31e5fffff]
>[    0.000000] On node 0 totalpages: 3065731
>[    0.000000]   DMA zone: 64 pages used for memmap
>[    0.000000]   DMA zone: 44 pages reserved
>[    0.000000]   DMA zone: 3996 pages, LIFO batch:0
>[    0.000000]   DMA32 zone: 13128 pages used for memmap
>[    0.000000]   DMA32 zone: 840167 pages, LIFO batch:31
>[    0.000000]   Normal zone: 34712 pages used for memmap
>[    0.000000]   Normal zone: 2221568 pages, LIFO batch:31
>[    0.000000] Reserving Intel graphics stolen memory at 0xdda00000-0xdf9fffff
>[    0.000000] ACPI: PM-Timer IO Port: 0x1808
>[    0.000000] ACPI: Local APIC address 0xfee00000
>[    0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
>[    0.000000] ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled)
>[    0.000000] ACPI: LAPIC (acpi_id[0x03] lapic_id[0x02] enabled)
>[    0.000000] ACPI: LAPIC (acpi_id[0x04] lapic_id[0x03] enabled)
>[    0.000000] ACPI: LAPIC (acpi_id[0x05] lapic_id[0x00] disabled)
>[    0.000000] ACPI: LAPIC (acpi_id[0x06] lapic_id[0x00] disabled)
>[    0.000000] ACPI: LAPIC (acpi_id[0x07] lapic_id[0x00] disabled)
>[    0.000000] ACPI: LAPIC (acpi_id[0x08] lapic_id[0x00] disabled)
>[    0.000000] ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1])
>[    0.000000] ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
>[    0.000000] ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0])
>[    0.000000] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-39
>[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
>[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
>[    0.000000] ACPI: IRQ0 used by override.
>[    0.000000] ACPI: IRQ9 used by override.
>[    0.000000] Using ACPI (MADT) for SMP configuration information
>[    0.000000] ACPI: HPET id: 0x8086a301 base: 0xfed00000
>[    0.000000] smpboot: Allowing 8 CPUs, 4 hotplug CPUs
>[    0.000000] e820: [mem 0xdfa00000-0xf7ffffff] available for PCI devices
>[    0.000000] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:8 nr_node_ids:1
>[    0.000000] PERCPU: Embedded 29 pages/cpu @ffff88031e200000 s80384 r8192 d30208 u262144
>[    0.000000] pcpu-alloc: s80384 r8192 d30208 u262144 alloc=1*2097152
>[    0.000000] pcpu-alloc: [0] 0 1 2 3 4 5 6 7 
>[    0.000000] Built 1 zonelists in Node order, mobility grouping on.  Total pages: 3017783
>[    0.000000] Policy zone: Normal
>[    0.000000] Kernel command line: BOOT_IMAGE=bzImage-current ip=:::::eth0:dhcp nfsroot=192.168.1.1:/srv/nfs/archlinux root=/dev/nfs nfsrootdebug ro drm.debug=0xe verbose loglevel=8
>[    0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
>[    0.000000] xsave: enabled xstate_bv 0x7, cntxt size 0x340 using standard form
>[    0.000000] AGP: Checking aperture...
>[    0.000000] AGP: No AGP bridge found
>[    0.000000] Memory: 11976272K/12262924K available (5000K kernel code, 998K rwdata, 2528K rodata, 1072K init, 14052K bss, 286652K reserved)
>[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=8, Nodes=1
>[    0.000000] Hierarchical RCU implementation.
>[    0.000000] 	RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=8.
>[    0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=8
>[    0.000000] NR_IRQS:4352 nr_irqs:760 0
>[    0.000000] Console: colour VGA+ 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] allocated 49283072 bytes of page_cgroup
>[    0.000000] please try 'cgroup_disable=memory' option if you don't want memory cgroups
>[    0.000000] hpet clockevent registered
>[    0.000000] tsc: Fast TSC calibration using PIT
>[    0.000000] tsc: Detected 2693.758 MHz processor
>[    0.000060] Calibrating delay loop (skipped), value calculated using timer frequency.. 5389.99 BogoMIPS (lpj=8979193)
>[    0.000193] pid_max: default: 32768 minimum: 301
>[    0.000266] ACPI: Core revision 20140926
>[    0.045422] ACPI: All ACPI Tables successfully acquired
>[    0.049399] Dentry cache hash table entries: 2097152 (order: 12, 16777216 bytes)
>[    0.053890] Inode-cache hash table entries: 1048576 (order: 11, 8388608 bytes)
>[    0.055495] Mount-cache hash table entries: 32768 (order: 6, 262144 bytes)
>[    0.055612] Mountpoint-cache hash table entries: 32768 (order: 6, 262144 bytes)
>[    0.056428] Initializing cgroup subsys memory
>[    0.056501] Initializing cgroup subsys devices
>[    0.056582] Initializing cgroup subsys freezer
>[    0.056662] Initializing cgroup subsys blkio
>[    0.056759] CPU: Physical Processor ID: 0
>[    0.056821] CPU: Processor Core ID: 0
>[    0.056886] ENERGY_PERF_BIAS: Set to 'normal', was 'performance'
>ENERGY_PERF_BIAS: View and update with x86_energy_perf_policy(8)
>[    0.058056] mce: CPU supports 7 MCE banks
>[    0.058131] CPU0: Thermal monitoring enabled (TM1)
>[    0.058211] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024
>Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4
>[    0.058490] Freeing SMP alternatives memory: 20K (ffffffff81c07000 - ffffffff81c0c000)
>[    0.058578] ftrace: allocating 19048 entries in 75 pages
>[    0.068403] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
>[    0.101463] smpboot: CPU0: Intel(R) Core(TM) i7-4600U CPU @ 2.10GHz (fam: 06, model: 45, stepping: 01)
>[    0.101672] TSC deadline timer enabled
>[    0.101767] Performance Events: PEBS fmt2+, 16-deep LBR, Haswell events, full-width counters, Intel PMU driver.
>[    0.102071] ... version:                3
>[    0.102133] ... bit width:              48
>[    0.102196] ... generic registers:      4
>[    0.102259] ... value mask:             0000ffffffffffff
>[    0.102324] ... max period:             0000ffffffffffff
>[    0.102389] ... fixed-purpose events:   3
>[    0.102451] ... event mask:             000000070000000f
>[    0.104557] x86: Booting SMP configuration:
>[    0.104622] .... node  #0, CPUs:      #1 #2 #3
>[    0.148308] x86: Booted up 1 node, 4 CPUs
>[    0.148428] smpboot: Total of 4 processors activated (21558.98 BogoMIPS)
>[    0.152865] NMI watchdog: enabled on all CPUs, permanently consumes one hw-PMU counter.
>[    0.153695] devtmpfs: initialized
>[    0.154261] PM: Registering ACPI NVS region [mem 0xdcd3f000-0xdce7efff] (1310720 bytes)
>[    0.155693] RTC time: 13:19:23, date: 12/08/14
>[    0.155990] NET: Registered protocol family 16
>[    0.169472] cpuidle: using governor ladder
>[    0.182832] cpuidle: using governor menu
>[    0.182954] ACPI FADT declares the system doesn't support PCIe ASPM, so disable it
>[    0.183050] ACPI: bus type PCI registered
>[    0.183369] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xf8000000-0xfbffffff] (base 0xf8000000)
>[    0.183460] PCI: MMCONFIG at [mem 0xf8000000-0xfbffffff] reserved in E820
>[    0.183605] PCI: Using configuration type 1 for base access
>[    0.196999] ACPI: Added _OSI(Module Device)
>[    0.197064] ACPI: Added _OSI(Processor Device)
>[    0.197128] ACPI: Added _OSI(3.0 _SCP Extensions)
>[    0.197193] ACPI: Added _OSI(Processor Aggregator Device)
>[    0.206255] ACPI : EC: EC description table is found, configuring boot EC
>[    0.227561] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored
>[    0.273328] ACPI: Dynamic OEM Table Load:
>[    0.273495] ACPI: SSDT 0xFFFF88030D1B0800 000436 (v01 PmRef  Cpu0Cst  00003001 INTL 20120711)
>[    0.293735] ACPI: Dynamic OEM Table Load:
>[    0.293901] ACPI: SSDT 0xFFFF88030D1B1000 0005AA (v01 PmRef  ApIst    00003000 INTL 20120711)
>[    0.320091] ACPI: Dynamic OEM Table Load:
>[    0.320255] ACPI: SSDT 0xFFFF88030D2D0000 000119 (v01 PmRef  ApCst    00003000 INTL 20120711)
>[    0.334777] ACPI: Interpreter enabled
>[    0.334847] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S1_] (20140926/hwxface-580)
>[    0.335017] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S2_] (20140926/hwxface-580)
>[    0.335214] ACPI: (supports S0 S3 S5)
>[    0.335277] ACPI: Using IOAPIC for interrupt routing
>[    0.335387] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
>[    0.354228] ACPI: Power Resource [PUBS] (on)
>[    0.355510] acpi PNP0C0A:01: ACPI dock station (docks/bays count: 1)
>[    0.356252] ACPI: Power Resource [NVP3] (on)
>[    0.356398] ACPI: Power Resource [NVP2] (on)
>[    0.426201] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 7 9 10 *11)
>[    0.426860] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 7 *9 10 11)
>[    0.427539] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 7 9 *10 11)
>[    0.428190] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 *6 7 9 10 11)
>[    0.428841] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 7 9 10 *11)
>[    0.429436] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 7 9 10 11) *0, disabled.
>[    0.430180] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 7 9 *10 11)
>[    0.430839] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 *7 9 10 11)
>[    0.431507] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-3f])
>[    0.431580] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI]
>[    0.432024] acpi PNP0A08:00: _OSC: platform does not support [PCIeCapability]
>[    0.432242] acpi PNP0A08:00: _OSC: not requesting control; platform does not support [PCIeCapability]
>[    0.432333] acpi PNP0A08:00: _OSC: OS requested [PCIeHotplug PME AER PCIeCapability]
>[    0.432420] acpi PNP0A08:00: _OSC: platform willing to grant [PCIeHotplug PME AER]
>[    0.432506] acpi PNP0A08:00: _OSC failed (AE_SUPPORT); disabling ASPM
>[    0.432896] PCI host bridge to bus 0000:00
>[    0.432962] pci_bus 0000:00: root bus resource [bus 00-3f]
>[    0.433028] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7]
>[    0.433096] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff]
>[    0.433164] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff]
>[    0.433234] pci_bus 0000:00: root bus resource [mem 0xdfa00000-0xfebfffff]
>[    0.433303] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed4bfff]
>[    0.433406] pci 0000:00:00.0: [8086:0a04] type 00 class 0x060000
>[    0.433750] pci 0000:00:02.0: [8086:0a16] type 00 class 0x030000
>[    0.433838] pci 0000:00:02.0: reg 0x10: [mem 0xf0000000-0xf03fffff 64bit]
>[    0.433916] pci 0000:00:02.0: reg 0x18: [mem 0xe0000000-0xefffffff 64bit pref]
>[    0.434008] pci 0000:00:02.0: reg 0x20: [io  0x3000-0x303f]
>[    0.434331] pci 0000:00:03.0: [8086:0a0c] type 00 class 0x040300
>[    0.434413] pci 0000:00:03.0: reg 0x10: [mem 0xf0630000-0xf0633fff 64bit]
>[    0.434731] pci 0000:00:14.0: [8086:9c31] type 00 class 0x0c0330
>[    0.434822] pci 0000:00:14.0: reg 0x10: [mem 0xf0620000-0xf062ffff 64bit]
>[    0.434976] pci 0000:00:14.0: PME# supported from D3hot D3cold
>[    0.435163] pci 0000:00:14.0: System wakeup disabled by ACPI
>[    0.435350] pci 0000:00:16.0: [8086:9c3a] type 00 class 0x078000
>[    0.435444] pci 0000:00:16.0: reg 0x10: [mem 0xf0639000-0xf063901f 64bit]
>[    0.435609] pci 0000:00:16.0: PME# supported from D0 D3hot D3cold
>[    0.435857] pci 0000:00:16.3: [8086:9c3d] type 00 class 0x070002
>[    0.435946] pci 0000:00:16.3: reg 0x10: [io  0x30b0-0x30b7]
>[    0.436022] pci 0000:00:16.3: reg 0x14: [mem 0xf063f000-0xf063ffff]
>[    0.436346] pci 0000:00:19.0: [8086:155a] type 00 class 0x020000
>[    0.436434] pci 0000:00:19.0: reg 0x10: [mem 0xf0600000-0xf061ffff]
>[    0.436510] pci 0000:00:19.0: reg 0x14: [mem 0xf063e000-0xf063efff]
>[    0.436586] pci 0000:00:19.0: reg 0x18: [io  0x3080-0x309f]
>[    0.436736] pci 0000:00:19.0: PME# supported from D0 D3hot D3cold
>[    0.436885] pci 0000:00:19.0: System wakeup disabled by ACPI
>[    0.437084] pci 0000:00:1b.0: [8086:9c20] type 00 class 0x040300
>[    0.437171] pci 0000:00:1b.0: reg 0x10: [mem 0xf0634000-0xf0637fff 64bit]
>[    0.437338] pci 0000:00:1b.0: PME# supported from D0 D3hot D3cold
>[    0.437593] pci 0000:00:1c.0: [8086:9c1a] type 01 class 0x060400
>[    0.437760] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold
>[    0.438016] pci 0000:00:1c.1: [8086:9c14] type 01 class 0x060400
>[    0.438189] pci 0000:00:1c.1: PME# supported from D0 D3hot D3cold
>[    0.438342] pci 0000:00:1c.1: System wakeup disabled by ACPI
>[    0.438533] pci 0000:00:1d.0: [8086:9c26] type 00 class 0x0c0320
>[    0.438625] pci 0000:00:1d.0: reg 0x10: [mem 0xf063d000-0xf063d3ff]
>[    0.438814] pci 0000:00:1d.0: PME# supported from D0 D3hot D3cold
>[    0.438965] pci 0000:00:1d.0: System wakeup disabled by ACPI
>[    0.439147] pci 0000:00:1f.0: [8086:9c43] type 00 class 0x060100
>[    0.439516] pci 0000:00:1f.2: [8086:9c03] type 00 class 0x010601
>[    0.439603] pci 0000:00:1f.2: reg 0x10: [io  0x30a8-0x30af]
>[    0.439677] pci 0000:00:1f.2: reg 0x14: [io  0x30bc-0x30bf]
>[    0.439752] pci 0000:00:1f.2: reg 0x18: [io  0x30a0-0x30a7]
>[    0.439826] pci 0000:00:1f.2: reg 0x1c: [io  0x30b8-0x30bb]
>[    0.439900] pci 0000:00:1f.2: reg 0x20: [io  0x3060-0x307f]
>[    0.439975] pci 0000:00:1f.2: reg 0x24: [mem 0xf063c000-0xf063c7ff]
>[    0.441926] pci 0000:00:1f.2: PME# supported from D3hot
>[    0.442173] pci 0000:00:1f.3: [8086:9c22] type 00 class 0x0c0500
>[    0.442258] pci 0000:00:1f.3: reg 0x10: [mem 0xf0638000-0xf06380ff 64bit]
>[    0.442351] pci 0000:00:1f.3: reg 0x20: [io  0xefa0-0xefbf]
>[    0.442764] pci 0000:02:00.0: [10ec:5227] type 00 class 0xff0000
>[    0.442892] pci 0000:02:00.0: reg 0x10: [mem 0xf0500000-0xf0500fff]
>[    0.443460] pci 0000:02:00.0: supports D1 D2
>[    0.443524] pci 0000:02:00.0: PME# supported from D1 D2 D3hot D3cold
>[    0.451977] pci 0000:00:1c.0: PCI bridge to [bus 02]
>[    0.452048] pci 0000:00:1c.0:   bridge window [mem 0xf0500000-0xf05fffff]
>[    0.452393] pci 0000:03:00.0: [8086:08b2] type 00 class 0x028000
>[    0.452637] pci 0000:03:00.0: reg 0x10: [mem 0xf0400000-0xf0401fff 64bit]
>[    0.453252] pci 0000:03:00.0: PME# supported from D0 D3hot D3cold
>[    0.462123] pci 0000:00:1c.1: PCI bridge to [bus 03]
>[    0.462194] pci 0000:00:1c.1:   bridge window [mem 0xf0400000-0xf04fffff]
>[    0.464283] ACPI: Enabled 4 GPEs in block 00 to 7F
>[    0.464641] ACPI : EC: GPE = 0x25, I/O: command/status = 0x66, data = 0x62
>[    0.465124] vgaarb: setting as boot device: PCI:0000:00:02.0
>[    0.465192] vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none
>[    0.465286] vgaarb: loaded
>[    0.465350] vgaarb: bridge control possible 0000:00:02.0
>[    0.465479] pps_core: LinuxPPS API ver. 1 registered
>[    0.465544] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
>[    0.465639] PTP clock support registered
>[    0.465735] PCI: Using ACPI for IRQ routing
>[    0.467467] PCI: pci_cache_line_size set to 64 bytes
>[    0.467864] e820: reserve RAM buffer [mem 0x0009d000-0x0009ffff]
>[    0.467935] e820: reserve RAM buffer [mem 0xce1e7000-0xcfffffff]
>[    0.468003] e820: reserve RAM buffer [mem 0x31e600000-0x31fffffff]
>[    0.468553] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0
>[    0.468968] hpet0: 8 comparators, 64-bit 14.318180 MHz counter
>[    0.471110] Switched to clocksource hpet
>[    0.501172] pnp: PnP ACPI init
>[    0.502206] system 00:00: [mem 0x00000000-0x0009ffff] could not be reserved
>[    0.502280] system 00:00: [mem 0x000c0000-0x000c3fff] could not be reserved
>[    0.502351] system 00:00: [mem 0x000c4000-0x000c7fff] could not be reserved
>[    0.502421] system 00:00: [mem 0x000c8000-0x000cbfff] could not be reserved
>[    0.502491] system 00:00: [mem 0x000cc000-0x000cffff] could not be reserved
>[    0.502562] system 00:00: [mem 0x000d0000-0x000d3fff] has been reserved
>[    0.502631] system 00:00: [mem 0x000d4000-0x000d7fff] has been reserved
>[    0.502700] system 00:00: [mem 0x000d8000-0x000dbfff] has been reserved
>[    0.502770] system 00:00: [mem 0x000dc000-0x000dffff] has been reserved
>[    0.502839] system 00:00: [mem 0x000e0000-0x000e3fff] could not be reserved
>[    0.502910] system 00:00: [mem 0x000e4000-0x000e7fff] could not be reserved
>[    0.502980] system 00:00: [mem 0x000e8000-0x000ebfff] could not be reserved
>[    0.503050] system 00:00: [mem 0x000ec000-0x000effff] could not be reserved
>[    0.503120] system 00:00: [mem 0x000f0000-0x000fffff] could not be reserved
>[    0.503191] system 00:00: [mem 0x00100000-0xdf9fffff] could not be reserved
>[    0.503261] system 00:00: [mem 0xfec00000-0xffffffff] could not be reserved
>[    0.503355] system 00:00: Plug and Play ACPI device, IDs PNP0c01 (active)
>[    0.503729] system 00:01: [io  0x1800-0x189f] could not be reserved
>[    0.503800] system 00:01: [io  0x0800-0x087f] has been reserved
>[    0.503868] system 00:01: [io  0x0880-0x08ff] has been reserved
>[    0.503935] system 00:01: [io  0x0900-0x097f] has been reserved
>[    0.504003] system 00:01: [io  0x0980-0x09ff] has been reserved
>[    0.504071] system 00:01: [io  0x0a00-0x0a7f] has been reserved
>[    0.504139] system 00:01: [io  0x0a80-0x0aff] has been reserved
>[    0.504206] system 00:01: [io  0x0b00-0x0b7f] has been reserved
>[    0.504274] system 00:01: [io  0x0b80-0x0bff] has been reserved
>[    0.504342] system 00:01: [io  0x15e0-0x15ef] has been reserved
>[    0.504410] system 00:01: [io  0x1600-0x167f] has been reserved
>[    0.504487] system 00:01: [io  0x1640-0x165f] has been reserved
>[    0.504556] system 00:01: [mem 0xf8000000-0xfbffffff] has been reserved
>[    0.504626] system 00:01: [mem 0x00000000-0x00000fff] could not be reserved
>[    0.504697] system 00:01: [mem 0xfed1c000-0xfed1ffff] has been reserved
>[    0.504766] system 00:01: [mem 0xfed10000-0xfed13fff] has been reserved
>[    0.504835] system 00:01: [mem 0xfed18000-0xfed18fff] has been reserved
>[    0.504905] system 00:01: [mem 0xfed19000-0xfed19fff] has been reserved
>[    0.504974] system 00:01: [mem 0xfed45000-0xfed4bfff] has been reserved
>[    0.505044] system 00:01: [mem 0xfed40000-0xfed44fff] has been reserved
>[    0.505116] system 00:01: Plug and Play ACPI device, IDs PNP0c02 (active)
>[    0.505318] pnp 00:02: Plug and Play ACPI device, IDs PNP0b00 (active)
>[    0.505457] pnp 00:03: Plug and Play ACPI device, IDs LEN0071 PNP0303 (active)
>[    0.505607] pnp 00:04: Plug and Play ACPI device, IDs LEN0036 PNP0f13 (active)
>[    0.506436] pnp: PnP ACPI: found 5 devices
>[    0.515734] pci 0000:00:1c.0: PCI bridge to [bus 02]
>[    0.515806] pci 0000:00:1c.0:   bridge window [mem 0xf0500000-0xf05fffff]
>[    0.515883] pci 0000:00:1c.1: PCI bridge to [bus 03]
>[    0.515952] pci 0000:00:1c.1:   bridge window [mem 0xf0400000-0xf04fffff]
>[    0.516029] pci_bus 0000:00: resource 4 [io  0x0000-0x0cf7]
>[    0.516096] pci_bus 0000:00: resource 5 [io  0x0d00-0xffff]
>[    0.516163] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff]
>[    0.516230] pci_bus 0000:00: resource 7 [mem 0xdfa00000-0xfebfffff]
>[    0.516299] pci_bus 0000:00: resource 8 [mem 0xfed40000-0xfed4bfff]
>[    0.516367] pci_bus 0000:02: resource 1 [mem 0xf0500000-0xf05fffff]
>[    0.516435] pci_bus 0000:03: resource 1 [mem 0xf0400000-0xf04fffff]
>[    0.516563] NET: Registered protocol family 2
>[    0.517018] TCP established hash table entries: 131072 (order: 8, 1048576 bytes)
>[    0.518065] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes)
>[    0.522489] TCP: Hash tables configured (established 131072 bind 65536)
>[    0.522600] TCP: reno registered
>[    0.522874] UDP hash table entries: 8192 (order: 8, 1310720 bytes)
>[    0.524264] UDP-Lite hash table entries: 8192 (order: 8, 1310720 bytes)
>[    0.525697] NET: Registered protocol family 1
>[    0.526025] RPC: Registered named UNIX socket transport module.
>[    0.526095] RPC: Registered udp transport module.
>[    0.526159] RPC: Registered tcp transport module.
>[    0.526223] RPC: Registered tcp NFSv4.1 backchannel transport module.
>[    0.526307] pci 0000:00:02.0: Video device with shadowed ROM
>[    0.527318] PCI: CLS 64 bytes, default 64
>[    0.527550] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
>[    0.527620] software IO TLB [mem 0xca1e7000-0xce1e7000] (64MB) mapped at [ffff8800ca1e7000-ffff8800ce1e6fff]
>[    0.528237] RAPL PMU detected, hw unit 2^-14 Joules, API unit is 2^-32 Joules, 4 fixed counters 655360 ms ovfl timer
>[    0.528446] Scanning for low memory corruption every 60 seconds
>[    0.529269] futex hash table entries: 2048 (order: 6, 262144 bytes)
>[    0.529512] audit: initializing netlink subsys (disabled)
>[    0.529604] audit: type=2000 audit(1418044763.526:1): initialized
>[    0.530392] HugeTLB registered 2 MB page size, pre-allocated 0 pages
>[    0.537552] NFS: Registering the id_resolver key type
>[    0.537685] Key type id_resolver registered
>[    0.537760] Key type id_legacy registered
>[    0.537829] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
>[    0.537943] msgmni has been set to 23391
>[    0.538564] alg: No test for stdrng (krng)
>[    0.538764] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250)
>[    0.538945] io scheduler noop registered
>[    0.539011] io scheduler deadline registered
>[    0.539182] io scheduler cfq registered (default)
>[    0.540043] intel_idle: MWAIT substates: 0x11142120
>[    0.540109] intel_idle: v0.4 model 0x45
>[    0.540172] intel_idle: lapic_timer_reliable_states 0xffffffff
>[    0.541312] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0D:00/input/input0
>[    0.541606] ACPI: Lid Switch [LID]
>[    0.541781] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input1
>[    0.541895] ACPI: Sleep Button [SLPB]
>[    0.542093] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input2
>[    0.542181] ACPI: Power Button [PWRF]
>[    0.542307] GHES: HEST is not enabled!
>[    0.542733] e1000e: Intel(R) PRO/1000 Network Driver - 2.3.2-k
>[    0.542800] e1000e: Copyright(c) 1999 - 2014 Intel Corporation.
>[    0.543113] e1000e 0000:00:19.0: Interrupt Throttling Rate (ints/sec) set to dynamic conservative mode
>[    0.543223] e1000e 0000:00:19.0: irq 40 for MSI/MSI-X
>[    0.710651] e1000e 0000:00:19.0 eth0: registered PHC clock
>[    0.710723] e1000e 0000:00:19.0 eth0: (PCI Express:2.5GT/s:Width x1) 28:d2:44:fa:90:28
>[    0.710810] e1000e 0000:00:19.0 eth0: Intel(R) PRO/1000 Network Connection
>[    0.710902] e1000e 0000:00:19.0 eth0: MAC: 11, PHY: 12, PBA No: 1000FF-0FF
>[    0.711106] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12
>[    0.712929] serio: i8042 KBD port at 0x60,0x64 irq 1
>[    0.713020] serio: i8042 AUX port at 0x60,0x64 irq 12
>[    0.713395] mousedev: PS/2 mouse device common for all mice
>[    0.713534] Intel P-state driver initializing.
>[    0.714500] TCP: cubic registered
>[    0.714609] NET: Registered protocol family 17
>[    0.714854] Key type dns_resolver registered
>[    0.717653] registered taskstats version 1
>[    0.720835] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4
>[    0.720873]   Magic number: 10:287:331
>[    0.720893] tty tty52: hash matches
>[    0.720964] drivers/rtc/hctosys.c: unable to open rtc device (rtc0)
>[    0.821372] e1000e 0000:00:19.0: irq 40 for MSI/MSI-X
>[    0.924416] e1000e 0000:00:19.0: irq 40 for MSI/MSI-X
>[    1.530851] tsc: Refined TSC clocksource calibration: 2693.764 MHz
>[    2.530692] Switched to clocksource tsc
>[    4.281483] e1000e: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
>[    4.296455] Sending DHCP requests ., OK
>[    4.356434] IP-Config: Got DHCP answer from 192.168.1.1, my address is 192.168.1.119
>[    4.356630] IP-Config: Complete:
>[    4.356693]      device=eth0, hwaddr=28:d2:44:fa:90:28, ipaddr=192.168.1.119, mask=255.255.255.0, gw=192.168.1.1
>[    4.356784]      host=192.168.1.119, domain=, nis-domain=(none)
>[    4.356850]      bootserver=192.168.1.1, rootserver=192.168.1.1, rootpath=
>[    4.356903]      nameserver0=192.168.1.1
>
>[    4.362948] VFS: Mounted root (nfs filesystem) readonly on device 0:14.
>[    4.365655] Freeing unused kernel memory: 1072K (ffffffff81afb000 - ffffffff81c07000)
>[    4.365733] Write protecting the kernel read-only data: 10240k
>[    4.367873] Freeing unused kernel memory: 1136K (ffff8800014e4000 - ffff880001600000)
>[    4.370256] Freeing unused kernel memory: 1568K (ffff880001878000 - ffff880001a00000)
>[    4.434923] random: systemd urandom read with 16 bits of entropy available
>[    4.441855] systemd[1]: systemd 216 running in system mode. (+PAM -AUDIT -SELINUX -IMA -APPARMOR +SMACK -SYSVINIT +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ -LZ4 +SECCOMP +BLKID -ELFUTILS +KMOD -IDN )
>[    4.442528] systemd[1]: Detected architecture 'x86-64'.
>[    4.452499] systemd[1]: Failed to insert module 'autofs4'
>[    4.452644] systemd[1]: Failed to insert module 'ipv6'
>[    4.453862] systemd[1]: Set hostname to <archlinux>.
>[    4.598722] systemd[1]: Cannot add dependency job for unit display-manager.service, ignoring: Unit display-manager.service failed to load: No such file or directory.
>[    4.599978] systemd[1]: Starting Forward Password Requests to Wall Directory Watch.
>[    4.600377] systemd[1]: Started Forward Password Requests to Wall Directory Watch.
>[    4.600475] systemd[1]: Starting Remote File Systems.
>[    4.600929] systemd[1]: Reached target Remote File Systems.
>[    4.601018] systemd[1]: Starting Dispatch Password Requests to Console Directory Watch.
>[    4.601242] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.
>[    4.601337] systemd[1]: Starting Paths.
>[    4.601722] systemd[1]: Reached target Paths.
>[    4.601786] systemd[1]: Starting Encrypted Volumes.
>[    4.602149] systemd[1]: Reached target Encrypted Volumes.
>[    4.602259] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point.
>[    4.602347] systemd[1]: Starting Swap.
>[    4.602703] systemd[1]: Reached target Swap.
>[    4.602767] systemd[1]: Starting Root Slice.
>[    4.612681] systemd[1]: Created slice Root Slice.
>[    4.612747] systemd[1]: Starting /dev/initctl Compatibility Named Pipe.
>[    4.613253] systemd[1]: Listening on /dev/initctl Compatibility Named Pipe.
>[    4.613322] systemd[1]: Starting Delayed Shutdown Socket.
>[    4.613715] systemd[1]: Listening on Delayed Shutdown Socket.
>[    4.613781] systemd[1]: Starting Device-mapper event daemon FIFOs.
>[    4.614205] systemd[1]: Listening on Device-mapper event daemon FIFOs.
>[    4.614273] systemd[1]: Starting Journal Socket (/dev/log).
>[    4.614704] systemd[1]: Listening on Journal Socket (/dev/log).
>[    4.614781] systemd[1]: Starting udev Kernel Socket.
>[    4.615182] systemd[1]: Listening on udev Kernel Socket.
>[    4.615264] systemd[1]: Starting udev Control Socket.
>[    4.615716] systemd[1]: Listening on udev Control Socket.
>[    4.615787] systemd[1]: Starting User and Session Slice.
>[    4.616706] systemd[1]: Created slice User and Session Slice.
>[    4.616778] systemd[1]: Starting LVM2 metadata daemon socket.
>[    4.617213] systemd[1]: Listening on LVM2 metadata daemon socket.
>[    4.617281] systemd[1]: Starting Journal Socket.
>[    4.617722] systemd[1]: Listening on Journal Socket.
>[    4.617789] systemd[1]: Starting System Slice.
>[    4.618573] systemd[1]: Created slice System Slice.
>[    4.619012] systemd[1]: Mounting Temporary Directory...
>[    4.624166] systemd[1]: Starting Load Kernel Modules...
>[    4.626429] systemd[1]: Starting Create list of required static device nodes for the current kernel...
>[    4.627812] systemd[1]: Starting udev Coldplug all Devices...
>[    4.632295] systemd[1]: Started Set Up Additional Binary Formats.
>[    4.632391] systemd[1]: Starting Setup Virtual Console...
>[    4.634232] systemd[1]: Mounting Huge Pages File System...
>[    4.635502] systemd[1]: Mounting POSIX Message Queue File System...
>[    4.638815] systemd[1]: Mounting Debug File System...
>[    4.640310] systemd[1]: Starting system-getty.slice.
>[    4.641586] systemd[1]: Created slice system-getty.slice.
>[    4.641678] systemd[1]: Starting Journal Service...
>[    4.643491] systemd[1]: Started Journal Service.
>[    4.752362] systemd-udevd[99]: starting version 216
>[    4.756464] systemd-journald[77]: Received request to flush runtime journal from PID 1
>[    4.843696] thermal LNXTHERM:00: registered as thermal_zone0
>[    4.843765] ACPI: Thermal Zone [THM0] (35 C)
>[    4.846091] rtc_cmos 00:02: RTC can wake from S4
>[    4.846810] rtc_cmos 00:02: rtc core: registered rtc_cmos as rtc0
>[    4.846914] rtc_cmos 00:02: alarms up to one month, y3k, 114 bytes nvram, hpet irqs
>[    4.855302] ACPI: bus type USB registered
>[    4.855417] usbcore: registered new interface driver usbfs
>[    4.855522] usbcore: registered new interface driver hub
>[    4.855633] usbcore: registered new device driver usb
>[    4.858544] ACPI: AC Adapter [AC] (on-line)
>[    4.859265] Linux agpgart interface v0.103
>[    4.862540] Non-volatile memory driver v1.3
>[    4.872362] xhci_hcd 0000:00:14.0: xHCI Host Controller
>[    4.872586] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1
>[    4.872946] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported
>[    4.873067] xhci_hcd 0000:00:14.0: irq 41 for MSI/MSI-X
>[    4.874303] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
>[    4.874392] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
>[    4.874511] usb usb1: Product: xHCI Host Controller
>[    4.874680] usb usb1: Manufacturer: Linux 3.18.0-00343-gfc7bddc xhci-hcd
>[    4.874773] usb usb1: SerialNumber: 0000:00:14.0
>[    4.877827] thinkpad_acpi: ThinkPad ACPI Extras v0.25
>[    4.877891] thinkpad_acpi: http://ibm-acpi.sf.net/
>[    4.877953] thinkpad_acpi: ThinkPad BIOS GJET78WW (2.28 ), EC unknown
>[    4.878019] thinkpad_acpi: Lenovo ThinkPad T440s, model 20ARS36E00
>[    4.880316] thinkpad_acpi: Unsupported brightness interface, please contact ibm-acpi-devel@lists.sourceforge.net
>[    4.880454] thinkpad_acpi: radio switch found; radios are enabled
>[    4.880720] thinkpad_acpi: This ThinkPad has standard ACPI backlight brightness control, supported by the ACPI video driver
>[    4.882436] thinkpad_acpi: Disabling thinkpad-acpi brightness events by default...
>[    4.886404] ACPI: Battery Slot [BAT0] (battery present)
>[    4.890669] [drm] Initialized drm 1.1.0 20060810
>[    4.891200] hub 1-0:1.0: USB hub found
>[    4.891455] hub 1-0:1.0: 9 ports detected
>[    4.902148] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
>[    4.905256] ehci-pci: EHCI PCI platform driver
>[    4.908268] ACPI: Battery Slot [BAT1] (battery present)
>[    4.909181] thinkpad_acpi: rfkill switch tpacpi_bluetooth_sw: radio is unblocked
>[    4.909689] thinkpad_acpi: rfkill switch tpacpi_wwan_sw: radio is unblocked
>[    4.911701] xhci_hcd 0000:00:14.0: xHCI Host Controller
>[    4.911772] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2
>[    4.912206] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003
>[    4.912273] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
>[    4.912355] usb usb2: Product: xHCI Host Controller
>[    4.912417] usb usb2: Manufacturer: Linux 3.18.0-00343-gfc7bddc xhci-hcd
>[    4.912483] usb usb2: SerialNumber: 0000:00:14.0
>[    4.913126] thinkpad_acpi: Console audio control enabled, mode: monitor (read only)
>[    4.918190] input: ThinkPad Extra Buttons as /devices/platform/thinkpad_acpi/input/input6
>[    4.919992] hub 2-0:1.0: USB hub found
>[    4.920144] hub 2-0:1.0: 4 ports detected
>[    4.922877] ehci-pci 0000:00:1d.0: EHCI Host Controller
>[    4.923499] ehci-pci 0000:00:1d.0: new USB bus registered, assigned bus number 3
>[    4.923598] ehci-pci 0000:00:1d.0: debug port 2
>[    4.927614] ehci-pci 0000:00:1d.0: cache line size of 64 is not supported
>[    4.927719] ehci-pci 0000:00:1d.0: irq 23, io mem 0xf063d000
>[    4.929860] microcode: CPU0 sig=0x40651, pf=0x40, revision=0x1c
>[    4.935543] microcode: CPU1 sig=0x40651, pf=0x40, revision=0x1c
>[    4.935590] microcode: CPU2 sig=0x40651, pf=0x40, revision=0x1c
>[    4.935654] microcode: CPU3 sig=0x40651, pf=0x40, revision=0x1c
>[    4.936572] ehci-pci 0000:00:1d.0: USB 2.0 started, EHCI 1.00
>[    4.936959] microcode: Microcode Update Driver: v2.00 <tigran@aivazian.fsnet.co.uk>, Peter Oruba
>[    4.937477] usb usb3: New USB device found, idVendor=1d6b, idProduct=0002
>[    4.937546] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1
>[    4.937627] usb usb3: Product: EHCI Host Controller
>[    4.937689] usb usb3: Manufacturer: Linux 3.18.0-00343-gfc7bddc ehci_hcd
>[    4.937754] usb usb3: SerialNumber: 0000:00:1d.0
>[    4.939654] hub 3-0:1.0: USB hub found
>[    4.939747] hub 3-0:1.0: 3 ports detected
>[    4.944052] snd_hda_intel 0000:00:1b.0: irq 42 for MSI/MSI-X
>[    4.961100] [drm:i915_dump_device_info] i915 device info: gen=7, pciid=0x0a16 rev=0x0b flags=is_mobile,need_gfx_hws,is_haswell,has_fbc,has_hotplug,has_llc,has_ddi,has_fpga_dbg,
>[    4.961259] [drm:intel_detect_pch] Found LynxPoint LP PCH
>[    4.961611] [drm] Memory usable by graphics device = 2048M
>[    4.961677] [drm:i915_gem_gtt_init] GMADR size = 256M
>[    4.961739] [drm:i915_gem_gtt_init] GTT stolen size = 32M
>[    4.961802] [drm:i915_gem_gtt_init] ppgtt mode: 1
>[    4.961899] [drm] Replacing VGA console driver
>[    4.964026] Console: switching to colour dummy device 80x25
>[    4.966395] [drm:intel_opregion_setup] graphic opregion physical addr: 0xdce45018
>[    4.966410] [drm:intel_opregion_setup] Public ACPI methods supported
>[    4.966414] [drm:intel_opregion_setup] SWSCI supported
>[    4.982675] sound hdaudioC1D0: autoconfig: line_outs=1 (0x14/0x0/0x0/0x0/0x0) type:speaker
>[    4.982684] sound hdaudioC1D0:    speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
>[    4.982687] sound hdaudioC1D0:    hp_outs=1 (0x15/0x0/0x0/0x0/0x0)
>[    4.982690] sound hdaudioC1D0:    mono: mono_out=0x0
>[    4.982693] sound hdaudioC1D0:    inputs:
>[    4.982697] sound hdaudioC1D0:      Mic=0x1a
>[    4.982699] sound hdaudioC1D0:      Internal Mic=0x12
>[    4.986455] [drm:swsci_setup] SWSCI BIOS requested (00200383) SBCB callbacks that are not supported (02200705)
>[    4.986462] [drm:swsci_setup] SWSCI GBDA callbacks 00000483, SBCB callbacks 00200383
>[    4.986466] [drm:intel_opregion_setup] ASLE supported
>[    4.986694] i915 0000:00:02.0: irq 43 for MSI/MSI-X
>[    4.986732] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
>[    4.986735] [drm] Driver supports precise vblank timestamp query.
>[    4.986740] [drm:init_vbt_defaults] Set default to SSC at 120000 kHz
>[    4.986744] [drm:validate_vbt] Using VBT from OpRegion: $VBT HASWELL        d
>[    4.986749] [drm:parse_general_features] BDB_GENERAL_FEATURES int_tv_support 0 int_crt_support 0 lvds_use_ssc 1 lvds_ssc_freq 120000 display_clock_mode 0 fdi_rx_polarity_inverted 0
>[    4.986755] [drm:parse_general_definitions] crt_ddc_bus_pin: 2
>[    4.986759] [drm:parse_lfp_panel_data] DRRS supported mode is static
>[    4.986763] [drm:parse_lfp_panel_data] Found panel mode in BIOS VBT tables:
>[    4.986769] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 0 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x8 0xa
>[    4.986775] [drm:parse_lfp_panel_data] VBT initial LVDS value 30033c
>[    4.986779] [drm:parse_lfp_backlight] VBT backlight PWM modulation frequency 220 Hz, active high, min brightness 3, level 255
>[    4.986785] [drm:parse_sdvo_panel_data] Found SDVO panel mode in BIOS VBT tables:
>[    4.986790] [drm:drm_mode_debug_printmodeline] Modeline 0:"1600x1200" 0 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x8 0xa
>[    4.986796] [drm:parse_sdvo_device_mapping] No SDVO device info is found in VBT
>[    4.986800] [drm:parse_driver_features] DRRS State Enabled:1
>[    4.986805] [drm:parse_ddi_port] Port A VBT info: DP:1 HDMI:0 DVI:0 EDP:1 CRT:0
>[    4.986809] [drm:parse_ddi_port] VBT HDMI level shift for port A: 0
>[    4.986813] [drm:parse_ddi_port] Port B VBT info: DP:1 HDMI:1 DVI:1 EDP:0 CRT:0
>[    4.986818] [drm:parse_ddi_port] VBT HDMI level shift for port B: 1
>[    4.986821] [drm:parse_ddi_port] Port C VBT info: DP:1 HDMI:1 DVI:1 EDP:0 CRT:0
>[    4.986825] [drm:parse_ddi_port] VBT HDMI level shift for port C: 1
>[    4.986862] [drm:intel_dsm_pci_probe] no _DSM method for intel device
>[    4.986893] [drm:i915_gem_init_stolen] found 33554432 bytes of stolen memory at dda00000
>[    4.986950] [drm:intel_display_power_get] enabling always-on
>[    4.986953] [drm:intel_display_power_get] enabling display
>[    4.987414] [drm:intel_print_wm_latency] Primary WM0 latency 20 (2.0 usec)
>[    4.987420] [drm:intel_print_wm_latency] Primary WM1 latency 4 (2.0 usec)
>[    4.987424] [drm:intel_print_wm_latency] Primary WM2 latency 36 (18.0 usec)
>[    4.987428] [drm:intel_print_wm_latency] Primary WM3 latency 90 (45.0 usec)
>[    4.987432] [drm:intel_print_wm_latency] Primary WM4 latency 160 (80.0 usec)
>[    4.987436] [drm:intel_print_wm_latency] Sprite WM0 latency 20 (2.0 usec)
>[    4.987440] [drm:intel_print_wm_latency] Sprite WM1 latency 4 (2.0 usec)
>[    4.987444] [drm:intel_print_wm_latency] Sprite WM2 latency 36 (18.0 usec)
>[    4.987448] [drm:intel_print_wm_latency] Sprite WM3 latency 90 (45.0 usec)
>[    4.987452] [drm:intel_print_wm_latency] Sprite WM4 latency 160 (80.0 usec)
>[    4.987456] [drm:intel_print_wm_latency] Cursor WM0 latency 20 (2.0 usec)
>[    4.987460] [drm:intel_print_wm_latency] Cursor WM1 latency 4 (2.0 usec)
>[    4.987464] [drm:intel_print_wm_latency] Cursor WM2 latency 36 (18.0 usec)
>[    4.987468] [drm:intel_print_wm_latency] Cursor WM3 latency 90 (45.0 usec)
>[    4.987472] [drm:intel_print_wm_latency] Cursor WM4 latency 160 (80.0 usec)
>[    4.987478] [drm:intel_modeset_init] 3 display pipes available.
>[    4.987534] [drm:intel_ddi_pll_init] CDCLK running at 450000KHz
>[    4.987544] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem
>[    4.987895] [drm:intel_dp_init_connector] Adding eDP connector on port A
>[    4.988146] [drm:intel_dp_init_panel_power_sequencer] cur t1_t3 2000 t8 0 t9 2000 t10 500 t11_t12 6000
>[    4.988152] [drm:intel_dp_init_panel_power_sequencer] vbt t1_t3 2000 t8 10 t9 2000 t10 500 t11_t12 5000
>[    4.988158] [drm:intel_dp_init_panel_power_sequencer] panel power up delay 200, power down delay 50, power cycle delay 600
>[    4.988163] [drm:intel_dp_init_panel_power_sequencer] backlight on delay 1, off delay 200
>[    4.988169] [drm:intel_dp_aux_init] registering DPDDC-A bus for card0-eDP-1
>[    4.989241] [drm:edp_panel_vdd_on] Turning eDP port A VDD on
>[    4.989254] [drm:edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd000f
>[    4.990236] [drm:intel_dp_get_dpcd] DPCD: 11 0a 82 41 00 00 01 80 02 00 00 00 0f 0b 00
>[    4.991123] [drm:intel_dp_get_dpcd] Detected EDP PSR Panel.
>[    4.991139] [drm:intel_dp_init_panel_power_sequencer_registers] panel power sequencer register settings: PP_ON 0x7d00001, PP_OFF 0x1f40001, PP_DIV 0x4af06
>[    4.996019] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.11
>[    4.996074] iTCO_wdt: Found a Lynx Point_LP TCO device (Version=2, TCOBASE=0x1860)
>[    4.999270] iTCO_wdt: initialized. heartbeat=30 sec (nowayout=0)
>[    5.020607] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[    5.020614] [drm:intel_dp_drrs_init] VBT doesn't support DRRS
>[    5.020664] [drm:intel_panel_setup_backlight] Connector eDP-1 backlight initialized, enabled, brightness 851/851
>[    5.020685] [drm:intel_dp_init_connector] Adding DP connector on port B
>[    5.020851] [drm:intel_dp_aux_init] registering DPDDC-B bus for card0-DP-1
>[    5.021043] [drm:intel_dp_init_connector] Adding DP connector on port C
>[    5.021154] [drm:intel_dp_aux_init] registering DPDDC-C bus for card0-DP-2
>[    5.053047] [drm:intel_modeset_readout_hw_state] [CRTC:8] hw state readout: enabled
>[    5.053064] [drm:intel_modeset_readout_hw_state] [CRTC:12] hw state readout: disabled
>[    5.053075] [drm:intel_modeset_readout_hw_state] [CRTC:16] hw state readout: disabled
>[    5.053085] [drm:intel_modeset_readout_hw_state] WRPLL 1 hw state readout: crtc_mask 0x00000001, on 1
>[    5.053120] [drm:intel_modeset_readout_hw_state] WRPLL 2 hw state readout: crtc_mask 0x00000000, on 0
>[    5.053141] [drm:intel_modeset_readout_hw_state] [ENCODER:18:TMDS-18] hw state readout: enabled, pipe A
>[    5.053152] [drm:intel_modeset_readout_hw_state] [ENCODER:26:TMDS-26] hw state readout: disabled, pipe A
>[    5.053162] [drm:intel_modeset_readout_hw_state] [ENCODER:28:DP MST-28] hw state readout: disabled, pipe A
>[    5.053171] [drm:intel_modeset_readout_hw_state] [ENCODER:29:DP MST-29] hw state readout: disabled, pipe B
>[    5.053179] [drm:intel_modeset_readout_hw_state] [ENCODER:30:DP MST-30] hw state readout: disabled, pipe C
>[    5.053188] [drm:intel_modeset_readout_hw_state] [ENCODER:33:TMDS-33] hw state readout: disabled, pipe A
>[    5.053197] [drm:intel_modeset_readout_hw_state] [ENCODER:35:DP MST-35] hw state readout: disabled, pipe A
>[    5.053205] [drm:intel_modeset_readout_hw_state] [ENCODER:36:DP MST-36] hw state readout: disabled, pipe B
>[    5.053211] [drm:intel_modeset_readout_hw_state] [ENCODER:37:DP MST-37] hw state readout: disabled, pipe C
>[    5.053224] [drm:intel_modeset_readout_hw_state] [CONNECTOR:19:eDP-1] hw state readout: enabled
>[    5.053234] [drm:intel_modeset_readout_hw_state] [CONNECTOR:27:DP-1] hw state readout: disabled
>[    5.053249] [drm:intel_modeset_readout_hw_state] [CONNECTOR:31:HDMI-A-1] hw state readout: disabled
>[    5.053260] [drm:intel_modeset_readout_hw_state] [CONNECTOR:34:DP-2] hw state readout: disabled
>[    5.053268] [drm:intel_modeset_readout_hw_state] [CONNECTOR:38:HDMI-A-2] hw state readout: disabled
>[    5.053340] [drm:intel_dump_pipe_config] [CRTC:8][setup_hw_state] config for pipe A
>[    5.053343] [drm:intel_dump_pipe_config] cpu_transcoder: D
>[    5.053346] [drm:intel_dump_pipe_config] pipe bpp: 18, dithering: 0
>[    5.053349] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[    5.053354] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 4940610, gmch_n: 8388608, link_m: 274478, link_n: 524288, tu: 64
>[    5.053358] [drm:intel_dump_pipe_config] dp: 1, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[    5.053361] [drm:intel_dump_pipe_config] audio: 0, infoframes: 0
>[    5.053364] [drm:intel_dump_pipe_config] requested mode:
>[    5.053368] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 720 0 0 0 400 0 0 0 0x0 0x0
>[    5.053371] [drm:intel_dump_pipe_config] adjusted mode:
>[    5.053374] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0x5
>[    5.053379] [drm:intel_dump_crtc_timings] crtc timings: 141351 1920 1936 1952 2104 1080 1083 1097 1116, type: 0x0 flags: 0x5
>[    5.053382] [drm:intel_dump_pipe_config] port clock: 270000
>[    5.053385] [drm:intel_dump_pipe_config] pipe src size: 720x400
>[    5.053388] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[    5.053392] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x07800438, enabled
>[    5.053395] [drm:intel_dump_pipe_config] ips: 0
>[    5.053397] [drm:intel_dump_pipe_config] double wide: 0
>[    5.053476] [drm:i915_get_vblank_timestamp] crtc 1 is disabled
>[    5.053497] [drm:gm45_get_vblank_counter] trying to get vblank count for disabled pipe B
>[    5.053503] [drm:i915_get_vblank_timestamp] crtc 1 is disabled
>[    5.053508] [drm:gm45_get_vblank_counter] trying to get vblank count for disabled pipe B
>[    5.053552] [drm:intel_dump_pipe_config] [CRTC:12][setup_hw_state] config for pipe B
>[    5.053558] [drm:intel_dump_pipe_config] cpu_transcoder: B
>[    5.053562] [drm:intel_dump_pipe_config] pipe bpp: 0, dithering: 0
>[    5.053568] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[    5.053575] [drm:intel_dump_pipe_config] dp: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[    5.053581] [drm:intel_dump_pipe_config] dp: 0, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[    5.053587] [drm:intel_dump_pipe_config] audio: 0, infoframes: 0
>[    5.053592] [drm:intel_dump_pipe_config] requested mode:
>[    5.053598] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0x0
>[    5.053604] [drm:intel_dump_pipe_config] adjusted mode:
>[    5.053610] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0x0
>[    5.053617] [drm:intel_dump_crtc_timings] crtc timings: 0 0 0 0 0 0 0 0 0, type: 0x0 flags: 0x0
>[    5.053623] [drm:intel_dump_pipe_config] port clock: 0
>[    5.053628] [drm:intel_dump_pipe_config] pipe src size: 0x0
>[    5.053633] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[    5.053640] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[    5.053646] [drm:intel_dump_pipe_config] ips: 0
>[    5.053651] [drm:intel_dump_pipe_config] double wide: 0
>[    5.053658] [drm:i915_get_vblank_timestamp] crtc 2 is disabled
>[    5.053664] [drm:gm45_get_vblank_counter] trying to get vblank count for disabled pipe C
>[    5.053669] [drm:i915_get_vblank_timestamp] crtc 2 is disabled
>[    5.053674] [drm:gm45_get_vblank_counter] trying to get vblank count for disabled pipe C
>[    5.053682] [drm:intel_dump_pipe_config] [CRTC:16][setup_hw_state] config for pipe C
>[    5.053688] [drm:intel_dump_pipe_config] cpu_transcoder: C
>[    5.053693] [drm:intel_dump_pipe_config] pipe bpp: 0, dithering: 0
>[    5.053699] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[    5.053705] [drm:intel_dump_pipe_config] dp: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[    5.053712] [drm:intel_dump_pipe_config] dp: 0, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[    5.053719] [drm:intel_dump_pipe_config] audio: 0, infoframes: 0
>[    5.053723] [drm:intel_dump_pipe_config] requested mode:
>[    5.053730] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0x0
>[    5.053735] [drm:intel_dump_pipe_config] adjusted mode:
>[    5.053741] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0x0
>[    5.053749] [drm:intel_dump_crtc_timings] crtc timings: 0 0 0 0 0 0 0 0 0, type: 0x0 flags: 0x0
>[    5.053755] [drm:intel_dump_pipe_config] port clock: 0
>[    5.053759] [drm:intel_dump_pipe_config] pipe src size: 0x0
>[    5.053764] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[    5.053771] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[    5.053777] [drm:intel_dump_pipe_config] ips: 0
>[    5.053781] [drm:intel_dump_pipe_config] double wide: 0
>[    5.053803] [drm:intel_connector_check_state] [CONNECTOR:19:eDP-1]
>[    5.053821] [drm:check_encoder_state] [ENCODER:18:TMDS-18]
>[    5.053829] [drm:check_encoder_state] [ENCODER:26:TMDS-26]
>[    5.053836] [drm:check_encoder_state] [ENCODER:28:DP MST-28]
>[    5.053840] [drm:check_encoder_state] [ENCODER:29:DP MST-29]
>[    5.053845] [drm:check_encoder_state] [ENCODER:30:DP MST-30]
>[    5.053850] [drm:check_encoder_state] [ENCODER:33:TMDS-33]
>[    5.053857] [drm:check_encoder_state] [ENCODER:35:DP MST-35]
>[    5.053862] [drm:check_encoder_state] [ENCODER:36:DP MST-36]
>[    5.053867] [drm:check_encoder_state] [ENCODER:37:DP MST-37]
>[    5.053872] [drm:check_crtc_state] [CRTC:8]
>[    5.053902] [drm:check_crtc_state] [CRTC:12]
>[    5.053910] [drm:check_crtc_state] [CRTC:16]
>[    5.053916] [drm:check_shared_dpll_state] WRPLL 1
>[    5.053923] [drm:check_shared_dpll_state] WRPLL 2
>[    5.053942] [drm:ironlake_get_plane_config] pipe/plane 0/0 with fb: size=720x400@32, offset=0, pitch 2560, size 0xfa000
>[    5.053950] [drm:i915_gem_object_create_stolen_for_preallocated] creating preallocated stolen object: stolen_offset=0, gtt_offset=0, size=fa000
>[    5.054015] [drm:i915_pages_create_for_stolen] offset=0x0, size=1024000
>[    5.054108] [drm:intel_alloc_plane_obj] plane fb obj ffff88030c2401c0
>[    5.054113] [drm:i915_gem_setup_global_gtt] reserving preallocated space: 0 + fa000
>[    5.054117] [drm:i915_gem_setup_global_gtt] clearing unused GTT space: [fa000, 7ffff000]
>[    5.055624] [drm:gen6_ppgtt_init] Allocated pde space (2M) at GTT entry: 7fdf0
>[    5.055778] [drm:i915_gem_context_init] HW context support initialized
>[    5.055787] [drm:init_status_page] render ring hws offset: 0x0010b000
>[    5.055873] [drm:intel_init_pipe_control] render ring pipe control offset: 0x0012c000
>[    5.055880] [drm:init_status_page] bsd ring hws offset: 0x0012d000
>[    5.055941] [drm:init_status_page] blitter ring hws offset: 0x0014e000
>[    5.056001] [drm:init_status_page] video enhancement ring hws offset: 0x0016f000
>[    5.063413] [drm:intel_backlight_device_register] Connector eDP-1 backlight sysfs interface registered
>[    5.063530] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:19:eDP-1]
>[    5.063537] [drm:intel_dp_detect] [CONNECTOR:19:eDP-1]
>[    5.064084] [drm:intel_dp_probe_oui] Sink OUI: 001cf8
>[    5.064431] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[    5.064445] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[    5.064450] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:19:eDP-1] probed modes :
>[    5.064455] [drm:drm_mode_debug_printmodeline] Modeline 20:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[    5.064460] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:DP-1]
>[    5.064463] [drm:intel_dp_detect] [CONNECTOR:27:DP-1]
>[    5.064475] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:DP-1] disconnected
>[    5.064479] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:31:HDMI-A-1]
>[    5.064495] [drm:intel_hdmi_detect] [CONNECTOR:31:HDMI-A-1]
>[    5.083921] ACPI: Video Device [VID] (multi-head: yes  rom: no  post: no)
>[    5.084186] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input8
>[    5.084714] [drm] Initialized i915 1.6.0 20141205 for 0000:00:02.0 on minor 0
>[    5.116160] [drm] GMBUS [i915 gmbus dpb] timed out, falling back to bit banging on pin 5
>[    5.129448] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[    5.129455] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:31:HDMI-A-1] disconnected
>[    5.129459] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:34:DP-2]
>[    5.129463] [drm:intel_dp_detect] [CONNECTOR:34:DP-2]
>[    5.129958] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 00 15 01 83 02 00 00 00 00 00 04
>[    5.129962] [drm:intel_dp_get_dpcd] Displayport TPS3 supported
>[    5.131181] [drm:intel_dp_probe_oui] Sink OUI: 000000
>[    5.131547] [drm:intel_dp_probe_oui] Branch OUI: 90cc24
>[    5.131889] [drm:intel_dp_probe_mst] Sink is MST capable
>[    5.133972] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:34:DP-2] disconnected
>[    5.133975] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:38:HDMI-A-2]
>[    5.133978] [drm:intel_hdmi_detect] [CONNECTOR:38:HDMI-A-2]
>[    5.134147] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[    5.134152] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[    5.134158] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:38:HDMI-A-2] disconnected
>[    5.134163] [drm:drm_setup_crtcs] 
>[    5.134166] [drm:drm_enable_connectors] connector 19 enabled? yes
>[    5.134169] [drm:drm_enable_connectors] connector 27 enabled? no
>[    5.134172] [drm:drm_enable_connectors] connector 31 enabled? no
>[    5.134175] [drm:drm_enable_connectors] connector 34 enabled? no
>[    5.134178] [drm:drm_enable_connectors] connector 38 enabled? no
>[    5.134182] [drm:intel_fb_initial_config] looking for cmdline mode on connector eDP-1
>[    5.134185] [drm:intel_fb_initial_config] looking for preferred mode on connector eDP-1
>[    5.134190] [drm:intel_fb_initial_config] connector eDP-1 on pipe A [CRTC:8]: 1920x1080
>[    5.134194] [drm:intel_fb_initial_config] connector DP-1 not enabled, skipping
>[    5.134197] [drm:intel_fb_initial_config] connector HDMI-A-1 not enabled, skipping
>[    5.134201] [drm:intel_fb_initial_config] connector DP-2 not enabled, skipping
>[    5.134204] [drm:intel_fb_initial_config] connector HDMI-A-2 not enabled, skipping
>[    5.134208] [drm:drm_setup_crtcs] desired mode 1920x1080 set on crtc 8
>[    5.134229] [drm:intelfb_create] no BIOS fb, allocating a new one
>[    5.134233] [drm:i915_gem_object_create_stolen] creating stolen object: size=7e9000
>[    5.134240] [drm:i915_pages_create_for_stolen] offset=0xfa000, size=8294400
>[    5.134764] [drm:intelfb_create] allocated 1920x1080 fb: 0x00191000, bo ffff88030c234e00
>[    5.135125] fbcon: inteldrmfb (fb0) is primary device
>[    5.135357] [drm:intel_crtc_set_config] [CRTC:8] [FB:41] #connectors=1 (x y) (0 0)
>[    5.135359] [drm:intel_set_config_compute_mode_changes] modes are different, full mode set
>[    5.135361] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0x0
>[    5.135362] [drm:drm_mode_debug_printmodeline] Modeline 40:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[    5.135363] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:8], mode_changed=1, fb_changed=1
>[    5.135364] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [CRTC:8]
>[    5.135365] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[    5.135367] [drm:connected_sink_compute_bpp] [CONNECTOR:19:eDP-1] checking for sink bpp constrains
>[    5.135367] [drm:connected_sink_compute_bpp] clamping display bpp (was 24) to EDID reported max of 18
>[    5.135369] [drm:intel_dp_compute_config] DP link computation with max lane count 2 max bw 0a pixel clock 141000KHz
>[    5.135370] [drm:intel_dp_compute_config] DP link bw 0a lane count 2 clock 270000 bpp 18
>[    5.135371] [drm:intel_dp_compute_config] DP link bw required 253800 available 432000
>[    5.135372] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp: 18, dithering: 1
>[    5.135373] [drm:intel_dump_pipe_config] [CRTC:8][modeset] config for pipe A
>[    5.135374] [drm:intel_dump_pipe_config] cpu_transcoder: D
>[    5.135374] [drm:intel_dump_pipe_config] pipe bpp: 18, dithering: 1
>[    5.135375] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[    5.135376] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 4928307, gmch_n: 8388608, link_m: 273794, link_n: 524288, tu: 64
>[    5.135377] [drm:intel_dump_pipe_config] dp: 1, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[    5.135377] [drm:intel_dump_pipe_config] audio: 0, infoframes: 0
>[    5.135378] [drm:intel_dump_pipe_config] requested mode:
>[    5.135379] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[    5.135379] [drm:intel_dump_pipe_config] adjusted mode:
>[    5.135381] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[    5.135382] [drm:intel_dump_crtc_timings] crtc timings: 141000 1920 1936 1952 2104 1080 1083 1097 1116, type: 0x48 flags: 0xa
>[    5.135382] [drm:intel_dump_pipe_config] port clock: 270000
>[    5.135383] [drm:intel_dump_pipe_config] pipe src size: 1920x1080
>[    5.135384] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[    5.135384] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[    5.135385] [drm:intel_dump_pipe_config] ips: 1
>[    5.135385] [drm:intel_dump_pipe_config] double wide: 0
>[    5.135588] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    5.135595] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    5.135653] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    5.136247] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    5.138013] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    5.138014] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    5.138760] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    5.138761] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    5.138769] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    5.139263] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    5.139451] [drm:intel_edp_backlight_off] 
>[    5.140396] [drm:drm_dp_send_link_address] link address reply: 4
>[    5.140398] [drm:drm_dp_send_link_address] port 0: input 1, pdt: 1, pn: 0, dpcd_rev: 00, mcs: 1, ddps: 1, ldps 0, sdp 0/0
>[    5.140400] [drm:drm_dp_send_link_address] port 1: input 0, pdt: 0, pn: 1, dpcd_rev: 00, mcs: 0, ddps: 0, ldps 0, sdp 0/0
>[    5.140402] [drm:drm_dp_send_link_address] port 2: input 0, pdt: 2, pn: 2, dpcd_rev: 12, mcs: 1, ddps: 1, ldps 0, sdp 0/0
>[    5.140403] [drm:drm_dp_send_link_address] port 3: input 0, pdt: 4, pn: 3, dpcd_rev: 00, mcs: 0, ddps: 1, ldps 1, sdp 1/1
>[    5.140997] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    5.140998] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    5.226469] usb 2-3: new SuperSpeed USB device number 2 using xhci_hcd
>[    5.241832] usb 2-3: New USB device found, idVendor=17ef, idProduct=1012
>[    5.241833] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
>[    5.241835] usb 2-3: Product: Lenovo ThinkPad Dock   
>[    5.241836] usb 2-3: Manufacturer: LENOVO                 
>[    5.242961] hub 2-3:1.0: USB hub found
>[    5.243288] hub 2-3:1.0: 4 ports detected
>[    5.249465] usb 3-1: new high-speed USB device number 2 using ehci-pci
>[    5.266153] usb 1-3: new high-speed USB device number 2 using xhci_hcd
>[    5.342775] [drm:intel_panel_actually_set_backlight] set backlight PWM = 0
>[    5.349783] [drm:edp_panel_off] Turn eDP port A panel power off
>[    5.349788] [drm:wait_panel_off] Wait for panel power off time
>[    5.349792] [drm:wait_panel_status] mask b0000000 value 00000000 status 80000008 control abcd0000
>[    5.373547] usb 3-1: New USB device found, idVendor=8087, idProduct=8000
>[    5.373549] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
>[    5.374357] hub 3-1:1.0: USB hub found
>[    5.374430] hub 3-1:1.0: 8 ports detected
>[    5.402744] [drm:wait_panel_status] Wait complete
>[    5.402767] [drm:intel_update_fbc] no output, disabling
>[    5.402769] [drm:intel_disable_shared_dpll] disable WRPLL 1 (active 1, on? 1) for crtc 8
>[    5.402772] [drm:intel_disable_shared_dpll] disabling WRPLL 1
>[    5.402783] [drm:intel_display_power_put] disabling display
>[    5.402791] [drm:hsw_set_power_well] Requesting to disable the power well
>[    5.402848] [drm:edp_panel_on] Turn eDP port A panel power on
>[    5.402850] [drm:wait_panel_power_cycle] Wait for panel power cycle
>[    5.441835] usb 1-3: New USB device found, idVendor=17ef, idProduct=1012
>[    5.441837] usb 1-3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
>[    5.441838] usb 1-3: Product: Lenovo ThinkPad Dock   
>[    5.441839] usb 1-3: Manufacturer: LENOVO                 
>[    5.442607] hub 1-3:1.0: USB hub found
>[    5.442786] hub 1-3:1.0: 4 ports detected
>[    5.609377] usb 1-4: new high-speed USB device number 3 using xhci_hcd
>[    5.642915] usb 3-1.5: new full-speed USB device number 3 using ehci-pci
>[    5.727789] usb 3-1.5: No LPM exit latency info found, disabling LPM.
>[    5.737418] usb 3-1.5: New USB device found, idVendor=058f, idProduct=9540
>[    5.737419] usb 3-1.5: New USB device strings: Mfr=1, Product=2, SerialNumber=0
>[    5.737421] usb 3-1.5: Product: EMV Smartcard Reader
>[    5.737422] usb 3-1.5: Manufacturer: Generic
>[    5.737838] psmouse serio1: synaptics: Touchpad model: 1, fw: 8.1, id: 0x1e2b1, caps: 0xd001a3/0x940300/0x12e800, board id: 2962, fw id: 2560
>[    5.737845] psmouse serio1: synaptics: serio: Synaptics pass-through port at isa0060/serio1/input0
>[    5.778603] input: SynPS/2 Synaptics TouchPad as /devices/platform/i8042/serio1/input/input7
>[    5.789446] usb 1-4: New USB device found, idVendor=1199, idProduct=a001
>[    5.789448] usb 1-4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
>[    5.789449] usb 1-4: Product: Sierra Wireless EM7345 4G LTE
>[    5.789450] usb 1-4: Manufacturer: Sierra Wireless Inc.
>[    5.789451] usb 1-4: SerialNumber: 013937002544342
>[    5.862846] usb 1-3.4: new high-speed USB device number 4 using xhci_hcd
>[    5.955880] [drm:wait_panel_status] mask b800000f value 00000000 status 00000000 control abcd0000
>[    5.955884] [drm:wait_panel_status] Wait complete
>[    5.955889] [drm:wait_panel_on] Wait for panel power on
>[    5.955893] [drm:wait_panel_status] mask b000000f value 80000008 status 0000000a control abcd0003
>[    5.956219] usb 1-3.4: New USB device found, idVendor=17ef, idProduct=1011
>[    5.956221] usb 1-3.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
>[    5.956222] usb 1-3.4: Product: Lenovo ThinkPad Dock
>[    5.956223] usb 1-3.4: Manufacturer: Lenovo
>[    5.956224] usb 1-3.4: SerialNumber: Rev1.2
>[    5.956937] hub 1-3.4:1.0: USB hub found
>[    5.956969] hub 1-3.4:1.0: 3 ports detected
>[    6.115856] usb 1-7: new full-speed USB device number 5 using xhci_hcd
>[    6.169141] [drm:wait_panel_status] Wait complete
>[    6.169169] [drm:edp_panel_vdd_on] Turning eDP port A VDD on
>[    6.169178] [drm:edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd000b
>[    6.170307] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[    6.170946] [drm:intel_dp_start_link_train] clock recovery OK
>[    6.171883] [drm:intel_dp_complete_link_train] Channel EQ done. DP Training successful
>[    6.172194] [drm:intel_edp_backlight_on] 
>[    6.172195] [drm:intel_panel_enable_backlight] pipe A
>[    6.172200] [drm:intel_panel_actually_set_backlight] set backlight PWM = 851
>[    6.175754] [drm:intel_psr_match_conditions] PSR disable by flag
>[    6.182488] [drm:ironlake_update_primary_plane] Writing base 00191000 00000000 0 0 7680
>[    6.205791] [drm:intel_update_fbc] disabled per chip default
>[    6.205804] [drm:intel_connector_check_state] [CONNECTOR:19:eDP-1]
>[    6.205816] [drm:check_encoder_state] [ENCODER:18:TMDS-18]
>[    6.205818] [drm:check_encoder_state] [ENCODER:26:TMDS-26]
>[    6.205820] [drm:check_encoder_state] [ENCODER:28:DP MST-28]
>[    6.205821] [drm:check_encoder_state] [ENCODER:29:DP MST-29]
>[    6.205822] [drm:check_encoder_state] [ENCODER:30:DP MST-30]
>[    6.205823] [drm:check_encoder_state] [ENCODER:33:TMDS-33]
>[    6.205825] [drm:check_encoder_state] [ENCODER:35:DP MST-35]
>[    6.205826] [drm:check_encoder_state] [ENCODER:36:DP MST-36]
>[    6.205827] [drm:check_encoder_state] [ENCODER:37:DP MST-37]
>[    6.205828] [drm:check_crtc_state] [CRTC:8]
>[    6.205848] [drm:check_crtc_state] [CRTC:12]
>[    6.205850] [drm:check_crtc_state] [CRTC:16]
>[    6.205851] [drm:check_shared_dpll_state] WRPLL 1
>[    6.205854] [drm:check_shared_dpll_state] WRPLL 2
>[    6.205966] [drm:intel_crtc_set_config] [CRTC:12] [NOFB]
>[    6.205969] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:12], mode_changed=0, fb_changed=0
>[    6.205970] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [CRTC:8]
>[    6.205972] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 0, prepare: 0, disable: 0
>[    6.205974] [drm:intel_crtc_set_config] [CRTC:16] [NOFB]
>[    6.205976] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:16], mode_changed=0, fb_changed=0
>[    6.205977] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [CRTC:8]
>[    6.205978] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 0, prepare: 0, disable: 0
>[    6.206153] Console: switching to colour frame buffer device 240x67
>[    6.206168] [drm:intel_crtc_set_config] [CRTC:8] [FB:41] #connectors=1 (x y) (0 0)
>[    6.206170] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:8], mode_changed=0, fb_changed=0
>[    6.206171] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [CRTC:8]
>[    6.206172] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[    6.206174] [drm:connected_sink_compute_bpp] [CONNECTOR:19:eDP-1] checking for sink bpp constrains
>[    6.206175] [drm:connected_sink_compute_bpp] clamping display bpp (was 24) to EDID reported max of 18
>[    6.206178] [drm:intel_dp_compute_config] DP link computation with max lane count 2 max bw 0a pixel clock 141000KHz
>[    6.206179] [drm:intel_dp_compute_config] DP link bw 0a lane count 2 clock 270000 bpp 18
>[    6.206180] [drm:intel_dp_compute_config] DP link bw required 253800 available 432000
>[    6.206182] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp: 18, dithering: 1
>[    6.206183] [drm:intel_dump_pipe_config] [CRTC:8][modeset] config for pipe A
>[    6.206184] [drm:intel_dump_pipe_config] cpu_transcoder: D
>[    6.206184] [drm:intel_dump_pipe_config] pipe bpp: 18, dithering: 1
>[    6.206186] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[    6.206187] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 4928307, gmch_n: 8388608, link_m: 273794, link_n: 524288, tu: 64
>[    6.206188] [drm:intel_dump_pipe_config] dp: 1, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[    6.206189] [drm:intel_dump_pipe_config] audio: 0, infoframes: 0
>[    6.206190] [drm:intel_dump_pipe_config] requested mode:
>[    6.206192] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[    6.206192] [drm:intel_dump_pipe_config] adjusted mode:
>[    6.206194] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[    6.206196] [drm:intel_dump_crtc_timings] crtc timings: 141000 1920 1936 1952 2104 1080 1083 1097 1116, type: 0x48 flags: 0xa
>[    6.206196] [drm:intel_dump_pipe_config] port clock: 270000
>[    6.206197] [drm:intel_dump_pipe_config] pipe src size: 1920x1080
>[    6.206198] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[    6.206199] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[    6.206200] [drm:intel_dump_pipe_config] ips: 1
>[    6.206201] [drm:intel_dump_pipe_config] double wide: 0
>[    6.210723] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.210725] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.210754] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.211274] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.212349] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.212350] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.213531] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.213532] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.213552] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.214044] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.214414] [drm:drm_dp_send_enum_path_resources] enum path resources 2: 2560 2560
>[    6.215084] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.215085] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.228626] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.228627] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.228653] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.229150] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.230891] [drm:intel_dp_check_mst_status] got esi2 02 10 00
>[    6.230892] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.231392] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.231393] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.231495] [drm:drm_dp_send_link_address] link address reply: 3
>[    6.231496] [drm:drm_dp_send_link_address] port 0: input 1, pdt: 1, pn: 0, dpcd_rev: 00, mcs: 1, ddps: 1, ldps 0, sdp 0/0
>[    6.231498] [drm:drm_dp_send_link_address] port 1: input 0, pdt: 3, pn: 8, dpcd_rev: 12, mcs: 0, ddps: 1, ldps 0, sdp 1/2
>[    6.231499] [drm:drm_dp_send_link_address] port 2: input 0, pdt: 0, pn: 1, dpcd_rev: 00, mcs: 0, ddps: 0, ldps 0, sdp 0/0
>[    6.232166] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.232167] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.232170] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.232671] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.239326] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.239327] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.239352] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.239849] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.240221] [drm:drm_dp_send_enum_path_resources] enum path resources 8: 2560 2560
>[    6.240725] [drm:drm_fb_helper_hotplug_event] 
>[    6.240726] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:19:eDP-1]
>[    6.240727] [drm:intel_dp_detect] [CONNECTOR:19:eDP-1]
>[    6.240953] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.240954] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.241354] [drm:intel_dp_probe_oui] Sink OUI: 001cf8
>[    6.241675] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[    6.241683] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[    6.241685] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:19:eDP-1] probed modes :
>[    6.241687] [drm:drm_mode_debug_printmodeline] Modeline 20:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[    6.241688] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:DP-1]
>[    6.241688] [drm:intel_dp_detect] [CONNECTOR:27:DP-1]
>[    6.241692] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:DP-1] disconnected
>[    6.241693] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:31:HDMI-A-1]
>[    6.241694] [drm:intel_hdmi_detect] [CONNECTOR:31:HDMI-A-1]
>[    6.252369] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[    6.252370] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:31:HDMI-A-1] disconnected
>[    6.252371] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:34:DP-2]
>[    6.252371] [drm:intel_dp_detect] [CONNECTOR:34:DP-2]
>[    6.252372] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:34:DP-2] disconnected
>[    6.252372] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:38:HDMI-A-2]
>[    6.252373] [drm:intel_hdmi_detect] [CONNECTOR:38:HDMI-A-2]
>[    6.252564] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[    6.252565] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[    6.252566] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:38:HDMI-A-2] disconnected
>[    6.252567] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:39:DP-3]
>[    6.252571] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:39:DP-3] disconnected
>[    6.252571] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:43:DP-4]
>[    6.264729] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.264730] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.264755] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.265243] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.266283] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.266284] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.289974] usb 1-7: New USB device found, idVendor=8087, idProduct=07dc
>[    6.289975] usb 1-7: New USB device strings: Mfr=0, Product=0, SerialNumber=0
>[    6.294178] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.294179] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.294186] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.294681] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.296421] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.296422] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.297213] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.297215] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.297235] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.297725] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.299481] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.299482] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.300255] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.300256] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.300275] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.300765] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.302511] [drm:intel_dp_check_mst_status] got esi2 02 10 00
>[    6.302512] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.303021] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.303022] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.303548] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.303548] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.303550] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.304039] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.332695] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.332697] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.332722] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.333218] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.334962] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.334963] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.335763] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.335765] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.335776] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.336267] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.338009] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.338010] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.338810] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.338811] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.338830] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.339328] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.341075] [drm:intel_dp_check_mst_status] got esi2 02 10 00
>[    6.341076] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.341525] [drm:drm_edid_to_eld] ELD monitor DELL U2413
>[    6.341527] [drm:drm_edid_to_eld] ELD size 36, SAD count 1
>[    6.341558] [drm:drm_mode_debug_printmodeline] Modeline 48:"1920x1200" 60 154000 1920 1968 2000 2080 1200 1203 1209 1235 0x48 0x9
>[    6.341559] [drm:drm_mode_prune_invalid] Not using 1920x1200 mode 12
>[    6.341562] [drm:drm_mode_debug_printmodeline] Modeline 50:"1920x1080i" 60 74250 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[    6.341563] [drm:drm_mode_prune_invalid] Not using 1920x1080i mode 7
>[    6.341565] [drm:drm_mode_debug_printmodeline] Modeline 54:"1600x1200" 0 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x40 0x5
>[    6.341566] [drm:drm_mode_prune_invalid] Not using 1600x1200 mode 12
>[    6.341577] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.341578] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.341590] [drm:drm_mode_debug_printmodeline] Modeline 69:"720x480i" 0 13500 720 739 801 858 480 488 494 525 0x40 0x101a
>[    6.341590] [drm:drm_mode_prune_invalid] Not using 720x480i mode 7
>[    6.341593] [drm:drm_mode_debug_printmodeline] Modeline 70:"720x576i" 0 13500 720 732 795 864 576 580 586 625 0x40 0x101a
>[    6.341594] [drm:drm_mode_prune_invalid] Not using 720x576i mode 7
>[    6.341596] [drm:drm_mode_debug_printmodeline] Modeline 75:"1920x1080i" 0 74250 1920 2448 2492 2640 1080 1084 1094 1125 0x40 0x15
>[    6.341597] [drm:drm_mode_prune_invalid] Not using 1920x1080i mode 7
>[    6.341600] [drm:drm_mode_debug_printmodeline] Modeline 81:"1920x1080i" 60 74176 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[    6.341617] [drm:drm_mode_prune_invalid] Not using 1920x1080i mode 7
>[    6.341619] [drm:drm_mode_debug_printmodeline] Modeline 90:"720x480i" 60 13513 720 739 801 858 480 488 494 525 0x40 0x101a
>[    6.341620] [drm:drm_mode_prune_invalid] Not using 720x480i mode 7
>[    6.341624] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:43:DP-4] probed modes :
>[    6.341627] [drm:drm_mode_debug_printmodeline] Modeline 49:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[    6.341628] [drm:drm_mode_debug_printmodeline] Modeline 80:"1920x1080" 60 148352 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[    6.341630] [drm:drm_mode_debug_printmodeline] Modeline 72:"1920x1080" 50 148500 1920 2448 2492 2640 1080 1084 1089 1125 0x40 0x5
>[    6.341632] [drm:drm_mode_debug_printmodeline] Modeline 76:"1920x1080" 24 74250 1920 2558 2602 2750 1080 1084 1089 1125 0x40 0x5
>[    6.341633] [drm:drm_mode_debug_printmodeline] Modeline 92:"1920x1080" 24 74176 1920 2558 2602 2750 1080 1084 1089 1125 0x40 0x5
>[    6.341635] [drm:drm_mode_debug_printmodeline] Modeline 60:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[    6.341638] [drm:drm_mode_debug_printmodeline] Modeline 53:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[    6.341640] [drm:drm_mode_debug_printmodeline] Modeline 55:"1152x864" 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
>[    6.341642] [drm:drm_mode_debug_printmodeline] Modeline 51:"1280x720" 60 74250 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[    6.341643] [drm:drm_mode_debug_printmodeline] Modeline 82:"1280x720" 60 74176 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[    6.341645] [drm:drm_mode_debug_printmodeline] Modeline 74:"1280x720" 50 74250 1280 1720 1760 1980 720 725 730 750 0x40 0x5
>[    6.341647] [drm:drm_mode_debug_printmodeline] Modeline 61:"1024x768" 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[    6.341649] [drm:drm_mode_debug_printmodeline] Modeline 62:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[    6.341651] [drm:drm_mode_debug_printmodeline] Modeline 63:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[    6.341653] [drm:drm_mode_debug_printmodeline] Modeline 56:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[    6.341655] [drm:drm_mode_debug_printmodeline] Modeline 73:"720x576" 50 27000 720 732 796 864 576 581 586 625 0x40 0xa
>[    6.341657] [drm:drm_mode_debug_printmodeline] Modeline 83:"720x480" 60 27027 720 736 798 858 480 489 495 525 0x40 0xa
>[    6.341658] [drm:drm_mode_debug_printmodeline] Modeline 52:"720x480" 60 27000 720 736 798 858 480 489 495 525 0x40 0xa
>[    6.341660] [drm:drm_mode_debug_printmodeline] Modeline 57:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[    6.341662] [drm:drm_mode_debug_printmodeline] Modeline 58:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[    6.341664] [drm:drm_mode_debug_printmodeline] Modeline 71:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[    6.341666] [drm:drm_mode_debug_printmodeline] Modeline 59:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[    6.341667] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:45:DP-5]
>[    6.341669] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:45:DP-5] disconnected
>[    6.341675] [drm:drm_setup_crtcs] 
>[    6.341676] [drm:drm_enable_connectors] connector 19 enabled? yes
>[    6.341677] [drm:drm_enable_connectors] connector 27 enabled? no
>[    6.341678] [drm:drm_enable_connectors] connector 31 enabled? no
>[    6.341679] [drm:drm_enable_connectors] connector 34 enabled? no
>[    6.341680] [drm:drm_enable_connectors] connector 38 enabled? no
>[    6.341680] [drm:drm_enable_connectors] connector 39 enabled? no
>[    6.341681] [drm:drm_enable_connectors] connector 43 enabled? yes
>[    6.341682] [drm:drm_enable_connectors] connector 45 enabled? no
>[    6.341684] [drm:intel_fb_initial_config] looking for cmdline mode on connector eDP-1
>[    6.341685] [drm:intel_fb_initial_config] looking for preferred mode on connector eDP-1
>[    6.341686] [drm:intel_fb_initial_config] connector eDP-1 on pipe A [CRTC:8]: 1920x1080
>[    6.341687] [drm:intel_fb_initial_config] connector DP-1 not enabled, skipping
>[    6.341688] [drm:intel_fb_initial_config] connector HDMI-A-1 not enabled, skipping
>[    6.341688] [drm:intel_fb_initial_config] connector DP-2 not enabled, skipping
>[    6.341689] [drm:intel_fb_initial_config] connector HDMI-A-2 not enabled, skipping
>[    6.341690] [drm:intel_fb_initial_config] connector DP-3 not enabled, skipping
>[    6.341691] [drm:intel_fb_initial_config] connector DP-4 has no encoder or crtc, skipping
>[    6.341691] [drm:intel_fb_initial_config] connector DP-5 not enabled, skipping
>[    6.341692] [drm:intel_fb_initial_config] fallback: Not all outputs enabled
>[    6.341693] [drm:intel_fb_initial_config] Enabled: 1, detected: 2
>[    6.341694] [drm:intel_fb_initial_config] Not using firmware configuration
>[    6.341695] [drm:drm_target_preferred] looking for cmdline mode on connector 19
>[    6.341696] [drm:drm_target_preferred] looking for preferred mode on connector 19
>[    6.341696] [drm:drm_target_preferred] found mode 1920x1080
>[    6.341697] [drm:drm_target_preferred] looking for cmdline mode on connector 43
>[    6.341698] [drm:drm_target_preferred] looking for preferred mode on connector 43
>[    6.341699] [drm:drm_target_preferred] found mode 1920x1080
>[    6.341700] [drm:drm_setup_crtcs] picking CRTCs for 8192x8192 config
>[    6.341704] [drm:drm_setup_crtcs] desired mode 1920x1080 set on crtc 8
>[    6.341707] [drm:drm_setup_crtcs] desired mode 1920x1080 set on crtc 12
>[    6.341719] [drm:intel_crtc_set_config] [CRTC:8] [FB:41] #connectors=1 (x y) (0 0)
>[    6.341721] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:8], mode_changed=0, fb_changed=0
>[    6.341722] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [CRTC:8]
>[    6.341724] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[    6.341726] [drm:connected_sink_compute_bpp] [CONNECTOR:19:eDP-1] checking for sink bpp constrains
>[    6.341726] [drm:connected_sink_compute_bpp] clamping display bpp (was 24) to EDID reported max of 18
>[    6.341728] [drm:intel_dp_compute_config] DP link computation with max lane count 2 max bw 0a pixel clock 141000KHz
>[    6.341729] [drm:intel_dp_compute_config] DP link bw 0a lane count 2 clock 270000 bpp 18
>[    6.341730] [drm:intel_dp_compute_config] DP link bw required 253800 available 432000
>[    6.341732] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp: 18, dithering: 1
>[    6.341733] [drm:intel_dump_pipe_config] [CRTC:8][modeset] config for pipe A
>[    6.341733] [drm:intel_dump_pipe_config] cpu_transcoder: D
>[    6.341734] [drm:intel_dump_pipe_config] pipe bpp: 18, dithering: 1
>[    6.341736] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[    6.341737] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 4928307, gmch_n: 8388608, link_m: 273794, link_n: 524288, tu: 64
>[    6.341738] [drm:intel_dump_pipe_config] dp: 1, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[    6.341739] [drm:intel_dump_pipe_config] audio: 0, infoframes: 0
>[    6.341740] [drm:intel_dump_pipe_config] requested mode:
>[    6.341742] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[    6.341742] [drm:intel_dump_pipe_config] adjusted mode:
>[    6.341744] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[    6.341746] [drm:intel_dump_crtc_timings] crtc timings: 141000 1920 1936 1952 2104 1080 1083 1097 1116, type: 0x48 flags: 0xa
>[    6.341747] [drm:intel_dump_pipe_config] port clock: 270000
>[    6.341748] [drm:intel_dump_pipe_config] pipe src size: 1920x1080
>[    6.341749] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[    6.341750] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[    6.341750] [drm:intel_dump_pipe_config] ips: 1
>[    6.341751] [drm:intel_dump_pipe_config] double wide: 0
>[    6.341754] [drm:intel_crtc_set_config] [CRTC:12] [FB:41] #connectors=1 (x y) (0 0)
>[    6.341755] [drm:intel_set_config_compute_mode_changes] inactive crtc, full mode set
>[    6.341756] [drm:intel_set_config_compute_mode_changes] modes are different, full mode set
>[    6.341758] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0x0
>[    6.341760] [drm:drm_mode_debug_printmodeline] Modeline 48:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[    6.341761] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:12], mode_changed=1, fb_changed=0
>[    6.341762] [drm:intel_modeset_stage_output_state] encoder changed, full mode switch
>[    6.341763] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [CRTC:8]
>[    6.341764] [drm:intel_modeset_stage_output_state] [CONNECTOR:43:DP-4] to [CRTC:12]
>[    6.341765] [drm:intel_modeset_stage_output_state] crtc changed, full mode switch
>[    6.341765] [drm:intel_modeset_stage_output_state] crtc enabled, full mode switch
>[    6.341767] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 2, prepare: 2, disable: 0
>[    6.341768] [drm:connected_sink_compute_bpp] [CONNECTOR:43:DP-4] checking for sink bpp constrains
>[    6.341770] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp: 24, dithering: 0
>[    6.341770] [drm:intel_dump_pipe_config] [CRTC:12][modeset] config for pipe B
>[    6.341834] [drm:intel_dump_pipe_config] cpu_transcoder: B
>[    6.341835] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0
>[    6.341836] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[    6.341838] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 1730150, gmch_n: 8388608, link_m: 288358, link_n: 1048576, tu: 14
>[    6.341839] [drm:intel_dump_pipe_config] dp: 1, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[    6.341840] [drm:intel_dump_pipe_config] audio: 0, infoframes: 0
>[    6.341841] [drm:intel_dump_pipe_config] requested mode:
>[    6.341843] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[    6.341843] [drm:intel_dump_pipe_config] adjusted mode:
>[    6.341845] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[    6.341847] [drm:intel_dump_crtc_timings] crtc timings: 148500 1920 2008 2052 2200 1080 1084 1089 1125, type: 0x40 flags: 0x5
>[    6.341847] [drm:intel_dump_pipe_config] port clock: 540000
>[    6.341848] [drm:intel_dump_pipe_config] pipe src size: 1920x1080
>[    6.341849] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[    6.341850] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[    6.341851] [drm:intel_dump_pipe_config] ips: 0
>[    6.341852] [drm:intel_dump_pipe_config] double wide: 0
>[    6.341865] [drm:intel_display_power_get] enabling display
>[    6.341871] [drm:hsw_set_power_well] Enabling power well
>[    6.345909] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.345910] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.345956] [drm:intel_mst_pre_enable_dp] 0
>[    6.346002] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.346152] [drm:intel_print_rc6_info] Enabling RC6 states: RC6 on
>[    6.346221] [drm:gen6_enable_rps] Overclocking supported. Max: 1100MHz, Overclock max: 1100MHz
>[    6.346814] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.353997] [drm:drm_dp_dpcd_access] too many retries, giving up
>[    6.354182] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[    6.371000] [drm:intel_dp_start_link_train] clock recovery OK
>[    6.392335] [drm:intel_dp_complete_link_train] Channel EQ done. DP Training successful
>[    6.392578] [drm:drm_dp_mst_allocate_vcpi] initing vcpi for 532 14
>[    6.393347] [drm:intel_mst_enable_dp] 1
>[    6.399178] [drm:drm_dp_update_payload_part2] payload 0 1
>[    6.418532] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.418533] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.418560] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.419059] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.420104] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.420105] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.448994] usb 1-8: new high-speed USB device number 6 using xhci_hcd
>[    6.455106] [drm:ironlake_update_primary_plane] Writing base 00191000 00000000 0 0 7680
>[    6.455112] [drm:intel_update_fbc] more than one pipe active, disabling compression
>[    6.455121] [drm:intel_connector_check_state] [CONNECTOR:19:eDP-1]
>[    6.455129] [drm:intel_connector_check_state] [CONNECTOR:43:DP-4]
>[    6.455130] [drm:check_encoder_state] [ENCODER:18:TMDS-18]
>[    6.455132] [drm:check_encoder_state] [ENCODER:26:TMDS-26]
>[    6.455133] [drm:check_encoder_state] [ENCODER:28:DP MST-28]
>[    6.455134] [drm:check_encoder_state] [ENCODER:29:DP MST-29]
>[    6.455134] [drm:check_encoder_state] [ENCODER:30:DP MST-30]
>[    6.455134] [drm:check_encoder_state] [ENCODER:33:TMDS-33]
>[    6.455137] [drm:check_encoder_state] [ENCODER:35:DP MST-35]
>[    6.455138] [drm:check_encoder_state] [ENCODER:36:DP MST-36]
>[    6.455139] [drm:check_encoder_state] [ENCODER:37:DP MST-37]
>[    6.455140] [drm:check_crtc_state] [CRTC:8]
>[    6.455158] [drm:check_crtc_state] [CRTC:12]
>[    6.455167] [drm:check_crtc_state] [CRTC:16]
>[    6.455169] [drm:check_shared_dpll_state] WRPLL 1
>[    6.455170] [drm:check_shared_dpll_state] WRPLL 2
>[    6.455173] [drm:intel_crtc_set_config] [CRTC:16] [NOFB]
>[    6.455174] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:16], mode_changed=0, fb_changed=0
>[    6.455175] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [CRTC:8]
>[    6.455176] [drm:intel_modeset_stage_output_state] [CONNECTOR:43:DP-4] to [CRTC:12]
>[    6.455177] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 0, prepare: 0, disable: 0
>[    6.456454] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.456455] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.456466] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.456980] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.457343] [drm:drm_dp_send_enum_path_resources] enum path resources 3: 765 765
>[    6.457615] [drm:drm_fb_helper_hotplug_event] 
>[    6.457616] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:19:eDP-1]
>[    6.457617] [drm:intel_dp_detect] [CONNECTOR:19:eDP-1]
>[    6.458037] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.458038] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.458365] [drm:intel_dp_probe_oui] Sink OUI: 001cf8
>[    6.458688] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[    6.458694] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[    6.458696] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:19:eDP-1] probed modes :
>[    6.458697] [drm:drm_mode_debug_printmodeline] Modeline 20:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[    6.458698] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:DP-1]
>[    6.458699] [drm:intel_dp_detect] [CONNECTOR:27:DP-1]
>[    6.458701] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:DP-1] disconnected
>[    6.458702] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:31:HDMI-A-1]
>[    6.458703] [drm:intel_hdmi_detect] [CONNECTOR:31:HDMI-A-1]
>[    6.468962] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[    6.468963] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:31:HDMI-A-1] disconnected
>[    6.468964] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:34:DP-2]
>[    6.468964] [drm:intel_dp_detect] [CONNECTOR:34:DP-2]
>[    6.468965] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:34:DP-2] disconnected
>[    6.468965] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:38:HDMI-A-2]
>[    6.468966] [drm:intel_hdmi_detect] [CONNECTOR:38:HDMI-A-2]
>[    6.469145] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[    6.469146] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[    6.469148] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:38:HDMI-A-2] disconnected
>[    6.469149] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:39:DP-3]
>[    6.469150] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:39:DP-3] disconnected
>[    6.469150] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:43:DP-4]
>[    6.481449] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.481450] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.481461] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.481972] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.483021] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.483022] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.511117] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.511118] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.511129] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.511650] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.513410] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.513411] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.514219] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.514220] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.514230] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.514739] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.516484] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.516485] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.517300] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.517301] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.517311] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.517816] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.519559] [drm:intel_dp_check_mst_status] got esi2 02 10 00
>[    6.519560] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.520068] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.520069] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.520608] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.520610] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.520615] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.521466] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.550015] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.550016] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.550026] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.550536] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.552302] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.552304] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.553107] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.553108] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.553119] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.553640] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.555398] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.555399] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.556207] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.556208] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.556217] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.556724] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.558469] [drm:intel_dp_check_mst_status] got esi2 02 10 00
>[    6.558470] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.558961] [drm:drm_edid_to_eld] ELD monitor DELL U2413
>[    6.558962] [drm:drm_edid_to_eld] ELD size 36, SAD count 1
>[    6.558975] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.558976] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.559048] [drm:drm_mode_debug_printmodeline] Modeline 66:"1920x1200" 60 154000 1920 1968 2000 2080 1200 1203 1209 1235 0x48 0x9
>[    6.559049] [drm:drm_mode_prune_invalid] Not using 1920x1200 mode 12
>[    6.559052] [drm:drm_mode_debug_printmodeline] Modeline 68:"1920x1080i" 60 74250 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[    6.559053] [drm:drm_mode_prune_invalid] Not using 1920x1080i mode 7
>[    6.559055] [drm:drm_mode_debug_printmodeline] Modeline 77:"1600x1200" 0 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x40 0x5
>[    6.559056] [drm:drm_mode_prune_invalid] Not using 1600x1200 mode 12
>[    6.559059] [drm:drm_mode_debug_printmodeline] Modeline 96:"720x480i" 0 13500 720 739 801 858 480 488 494 525 0x40 0x101a
>[    6.559059] [drm:drm_mode_prune_invalid] Not using 720x480i mode 7
>[    6.559062] [drm:drm_mode_debug_printmodeline] Modeline 97:"720x576i" 0 13500 720 732 795 864 576 580 586 625 0x40 0x101a
>[    6.559063] [drm:drm_mode_prune_invalid] Not using 720x576i mode 7
>[    6.559065] [drm:drm_mode_debug_printmodeline] Modeline 102:"1920x1080i" 0 74250 1920 2448 2492 2640 1080 1084 1094 1125 0x40 0x15
>[    6.559066] [drm:drm_mode_prune_invalid] Not using 1920x1080i mode 7
>[    6.559069] [drm:drm_mode_debug_printmodeline] Modeline 108:"1920x1080i" 60 74176 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[    6.559069] [drm:drm_mode_prune_invalid] Not using 1920x1080i mode 7
>[    6.559072] [drm:drm_mode_debug_printmodeline] Modeline 117:"720x480i" 60 13513 720 739 801 858 480 488 494 525 0x40 0x101a
>[    6.559073] [drm:drm_mode_prune_invalid] Not using 720x480i mode 7
>[    6.559076] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:43:DP-4] probed modes :
>[    6.559078] [drm:drm_mode_debug_printmodeline] Modeline 49:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[    6.559080] [drm:drm_mode_debug_printmodeline] Modeline 80:"1920x1080" 60 148352 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[    6.559082] [drm:drm_mode_debug_printmodeline] Modeline 72:"1920x1080" 50 148500 1920 2448 2492 2640 1080 1084 1089 1125 0x40 0x5
>[    6.559084] [drm:drm_mode_debug_printmodeline] Modeline 76:"1920x1080" 24 74250 1920 2558 2602 2750 1080 1084 1089 1125 0x40 0x5
>[    6.559086] [drm:drm_mode_debug_printmodeline] Modeline 92:"1920x1080" 24 74176 1920 2558 2602 2750 1080 1084 1089 1125 0x40 0x5
>[    6.559087] [drm:drm_mode_debug_printmodeline] Modeline 60:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[    6.559089] [drm:drm_mode_debug_printmodeline] Modeline 53:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[    6.559091] [drm:drm_mode_debug_printmodeline] Modeline 55:"1152x864" 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
>[    6.559093] [drm:drm_mode_debug_printmodeline] Modeline 51:"1280x720" 60 74250 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[    6.559095] [drm:drm_mode_debug_printmodeline] Modeline 82:"1280x720" 60 74176 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[    6.559097] [drm:drm_mode_debug_printmodeline] Modeline 74:"1280x720" 50 74250 1280 1720 1760 1980 720 725 730 750 0x40 0x5
>[    6.559099] [drm:drm_mode_debug_printmodeline] Modeline 61:"1024x768" 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[    6.559101] [drm:drm_mode_debug_printmodeline] Modeline 62:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[    6.559103] [drm:drm_mode_debug_printmodeline] Modeline 63:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[    6.559105] [drm:drm_mode_debug_printmodeline] Modeline 56:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[    6.559107] [drm:drm_mode_debug_printmodeline] Modeline 73:"720x576" 50 27000 720 732 796 864 576 581 586 625 0x40 0xa
>[    6.559109] [drm:drm_mode_debug_printmodeline] Modeline 83:"720x480" 60 27027 720 736 798 858 480 489 495 525 0x40 0xa
>[    6.559110] [drm:drm_mode_debug_printmodeline] Modeline 52:"720x480" 60 27000 720 736 798 858 480 489 495 525 0x40 0xa
>[    6.559112] [drm:drm_mode_debug_printmodeline] Modeline 57:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[    6.559114] [drm:drm_mode_debug_printmodeline] Modeline 58:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[    6.559116] [drm:drm_mode_debug_printmodeline] Modeline 71:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[    6.559118] [drm:drm_mode_debug_printmodeline] Modeline 59:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[    6.559119] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:45:DP-5]
>[    6.559121] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:45:DP-5] disconnected
>[    6.559121] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:50:DP-6]
>[    6.559123] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:50:DP-6] disconnected
>[    6.559124] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:64:DP-7]
>[    6.559525] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.559526] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.559529] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.560030] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.561742] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.561743] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.561753] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.562270] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.563321] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.563322] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.565041] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.565042] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.565052] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.565575] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.567327] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.567328] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.568138] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.568139] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.568149] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.568664] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.570420] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.570421] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.571218] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.571219] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.571229] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.571743] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.572834] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[    6.572839] [drm:drm_mode_debug_printmodeline] Modeline 67:"1920x1200" 60 154000 1920 1968 2000 2080 1200 1203 1209 1235 0x48 0x9
>[    6.572839] [drm:drm_mode_prune_invalid] Not using 1920x1200 mode 12
>[    6.572842] [drm:drm_mode_debug_printmodeline] Modeline 69:"1600x1200" 0 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x40 0x5
>[    6.572843] [drm:drm_mode_prune_invalid] Not using 1600x1200 mode 12
>[    6.572846] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:64:DP-7] probed modes :
>[    6.572848] [drm:drm_mode_debug_printmodeline] Modeline 81:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[    6.572850] [drm:drm_mode_debug_printmodeline] Modeline 68:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[    6.572852] [drm:drm_mode_debug_printmodeline] Modeline 70:"1152x864" 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
>[    6.572854] [drm:drm_mode_debug_printmodeline] Modeline 84:"1024x768" 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[    6.572855] [drm:drm_mode_debug_printmodeline] Modeline 85:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[    6.572857] [drm:drm_mode_debug_printmodeline] Modeline 86:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[    6.572859] [drm:drm_mode_debug_printmodeline] Modeline 75:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[    6.572861] [drm:drm_mode_debug_printmodeline] Modeline 77:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[    6.572863] [drm:drm_mode_debug_printmodeline] Modeline 78:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[    6.572865] [drm:drm_mode_debug_printmodeline] Modeline 79:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[    6.572871] [drm:drm_setup_crtcs] 
>[    6.572873] [drm:drm_enable_connectors] connector 19 enabled? yes
>[    6.572874] [drm:drm_enable_connectors] connector 27 enabled? no
>[    6.572874] [drm:drm_enable_connectors] connector 31 enabled? no
>[    6.572875] [drm:drm_enable_connectors] connector 34 enabled? no
>[    6.572876] [drm:drm_enable_connectors] connector 38 enabled? no
>[    6.572877] [drm:drm_enable_connectors] connector 39 enabled? no
>[    6.572877] [drm:drm_enable_connectors] connector 43 enabled? yes
>[    6.572878] [drm:drm_enable_connectors] connector 45 enabled? no
>[    6.572879] [drm:drm_enable_connectors] connector 50 enabled? no
>[    6.572880] [drm:drm_enable_connectors] connector 64 enabled? yes
>[    6.572881] [drm:intel_fb_initial_config] looking for cmdline mode on connector eDP-1
>[    6.572882] [drm:intel_fb_initial_config] looking for preferred mode on connector eDP-1
>[    6.572883] [drm:intel_fb_initial_config] connector eDP-1 on pipe A [CRTC:8]: 1920x1080
>[    6.572884] [drm:intel_fb_initial_config] connector DP-1 not enabled, skipping
>[    6.572885] [drm:intel_fb_initial_config] connector HDMI-A-1 not enabled, skipping
>[    6.572886] [drm:intel_fb_initial_config] connector DP-2 not enabled, skipping
>[    6.572886] [drm:intel_fb_initial_config] connector HDMI-A-2 not enabled, skipping
>[    6.572887] [drm:intel_fb_initial_config] connector DP-3 not enabled, skipping
>[    6.572888] [drm:intel_fb_initial_config] looking for cmdline mode on connector DP-4
>[    6.572889] [drm:intel_fb_initial_config] looking for preferred mode on connector DP-4
>[    6.572890] [drm:intel_fb_initial_config] using first mode listed on connector DP-4
>[    6.572891] [drm:intel_fb_initial_config] connector DP-4 on pipe B [CRTC:12]: 1920x1080
>[    6.572892] [drm:intel_fb_initial_config] connector DP-5 not enabled, skipping
>[    6.572892] [drm:intel_fb_initial_config] connector DP-6 not enabled, skipping
>[    6.572893] [drm:intel_fb_initial_config] connector DP-7 has no encoder or crtc, skipping
>[    6.572894] [drm:intel_fb_initial_config] fallback: Not all outputs enabled
>[    6.572895] [drm:intel_fb_initial_config] Enabled: 2, detected: 3
>[    6.572895] [drm:intel_fb_initial_config] Not using firmware configuration
>[    6.572896] [drm:drm_target_preferred] looking for cmdline mode on connector 19
>[    6.572897] [drm:drm_target_preferred] looking for preferred mode on connector 19
>[    6.572898] [drm:drm_target_preferred] found mode 1920x1080
>[    6.572899] [drm:drm_target_preferred] looking for cmdline mode on connector 43
>[    6.572899] [drm:drm_target_preferred] looking for preferred mode on connector 43
>[    6.572900] [drm:drm_target_preferred] found mode 1920x1080
>[    6.572901] [drm:drm_target_preferred] looking for cmdline mode on connector 64
>[    6.572902] [drm:drm_target_preferred] looking for preferred mode on connector 64
>[    6.572902] [drm:drm_target_preferred] found mode 1280x1024
>[    6.572903] [drm:drm_setup_crtcs] picking CRTCs for 8192x8192 config
>[    6.572914] [drm:drm_setup_crtcs] desired mode 1920x1080 set on crtc 8
>[    6.572917] [drm:drm_setup_crtcs] desired mode 1920x1080 set on crtc 12
>[    6.572919] [drm:drm_setup_crtcs] desired mode 1280x1024 set on crtc 16
>[    6.572931] [drm:intel_crtc_set_config] [CRTC:8] [FB:41] #connectors=1 (x y) (0 0)
>[    6.572933] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:8], mode_changed=0, fb_changed=0
>[    6.572934] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [CRTC:8]
>[    6.572935] [drm:intel_modeset_stage_output_state] [CONNECTOR:43:DP-4] to [CRTC:12]
>[    6.572937] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[    6.572938] [drm:connected_sink_compute_bpp] [CONNECTOR:19:eDP-1] checking for sink bpp constrains
>[    6.572939] [drm:connected_sink_compute_bpp] clamping display bpp (was 24) to EDID reported max of 18
>[    6.572941] [drm:intel_dp_compute_config] DP link computation with max lane count 2 max bw 0a pixel clock 141000KHz
>[    6.572942] [drm:intel_dp_compute_config] DP link bw 0a lane count 2 clock 270000 bpp 18
>[    6.572943] [drm:intel_dp_compute_config] DP link bw required 253800 available 432000
>[    6.572945] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp: 18, dithering: 1
>[    6.572946] [drm:intel_dump_pipe_config] [CRTC:8][modeset] config for pipe A
>[    6.572946] [drm:intel_dump_pipe_config] cpu_transcoder: D
>[    6.572947] [drm:intel_dump_pipe_config] pipe bpp: 18, dithering: 1
>[    6.572949] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[    6.572950] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 4928307, gmch_n: 8388608, link_m: 273794, link_n: 524288, tu: 64
>[    6.572951] [drm:intel_dump_pipe_config] dp: 1, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[    6.572952] [drm:intel_dump_pipe_config] audio: 0, infoframes: 0
>[    6.572953] [drm:intel_dump_pipe_config] requested mode:
>[    6.572955] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[    6.572955] [drm:intel_dump_pipe_config] adjusted mode:
>[    6.572957] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[    6.572959] [drm:intel_dump_crtc_timings] crtc timings: 141000 1920 1936 1952 2104 1080 1083 1097 1116, type: 0x48 flags: 0xa
>[    6.572960] [drm:intel_dump_pipe_config] port clock: 270000
>[    6.572961] [drm:intel_dump_pipe_config] pipe src size: 1920x1080
>[    6.572962] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[    6.572963] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[    6.572963] [drm:intel_dump_pipe_config] ips: 1
>[    6.572964] [drm:intel_dump_pipe_config] double wide: 0
>[    6.572967] [drm:intel_crtc_set_config] [CRTC:12] [FB:41] #connectors=1 (x y) (0 0)
>[    6.572968] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:12], mode_changed=0, fb_changed=0
>[    6.572970] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [CRTC:8]
>[    6.572971] [drm:intel_modeset_stage_output_state] [CONNECTOR:43:DP-4] to [CRTC:12]
>[    6.572972] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 2, prepare: 2, disable: 0
>[    6.572973] [drm:connected_sink_compute_bpp] [CONNECTOR:43:DP-4] checking for sink bpp constrains
>[    6.572975] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp: 24, dithering: 0
>[    6.572975] [drm:intel_dump_pipe_config] [CRTC:12][modeset] config for pipe B
>[    6.572976] [drm:intel_dump_pipe_config] cpu_transcoder: B
>[    6.572977] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0
>[    6.572997] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[    6.572998] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 1730150, gmch_n: 8388608, link_m: 288358, link_n: 1048576, tu: 14
>[    6.572999] [drm:intel_dump_pipe_config] dp: 1, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[    6.573000] [drm:intel_dump_pipe_config] audio: 0, infoframes: 0
>[    6.573001] [drm:intel_dump_pipe_config] requested mode:
>[    6.573003] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[    6.573004] [drm:intel_dump_pipe_config] adjusted mode:
>[    6.573006] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[    6.573007] [drm:intel_dump_crtc_timings] crtc timings: 148500 1920 2008 2052 2200 1080 1084 1089 1125, type: 0x40 flags: 0x5
>[    6.573008] [drm:intel_dump_pipe_config] port clock: 540000
>[    6.573009] [drm:intel_dump_pipe_config] pipe src size: 1920x1080
>[    6.573010] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[    6.573010] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[    6.573011] [drm:intel_dump_pipe_config] ips: 0
>[    6.573012] [drm:intel_dump_pipe_config] double wide: 0
>[    6.573014] [drm:intel_crtc_set_config] [CRTC:16] [FB:41] #connectors=1 (x y) (0 0)
>[    6.573016] [drm:intel_set_config_compute_mode_changes] inactive crtc, full mode set
>[    6.573017] [drm:intel_set_config_compute_mode_changes] modes are different, full mode set
>[    6.573019] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0x0
>[    6.573021] [drm:drm_mode_debug_printmodeline] Modeline 67:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[    6.573022] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:16], mode_changed=1, fb_changed=0
>[    6.573023] [drm:intel_modeset_stage_output_state] encoder changed, full mode switch
>[    6.573024] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [CRTC:8]
>[    6.573025] [drm:intel_modeset_stage_output_state] [CONNECTOR:43:DP-4] to [CRTC:12]
>[    6.573026] [drm:intel_modeset_stage_output_state] [CONNECTOR:64:DP-7] to [CRTC:16]
>[    6.573027] [drm:intel_modeset_stage_output_state] crtc changed, full mode switch
>[    6.573027] [drm:intel_modeset_stage_output_state] crtc enabled, full mode switch
>[    6.573029] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 4, prepare: 4, disable: 0
>[    6.573030] [drm:connected_sink_compute_bpp] [CONNECTOR:64:DP-7] checking for sink bpp constrains
>[    6.573031] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp: 24, dithering: 0
>[    6.573032] [drm:intel_dump_pipe_config] [CRTC:16][modeset] config for pipe C
>[    6.573033] [drm:intel_dump_pipe_config] cpu_transcoder: C
>[    6.573034] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0
>[    6.573035] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[    6.573036] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 1572864, gmch_n: 8388608, link_m: 262144, link_n: 1048576, tu: 13
>[    6.573037] [drm:intel_dump_pipe_config] dp: 1, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[    6.573038] [drm:intel_dump_pipe_config] audio: 0, infoframes: 0
>[    6.573039] [drm:intel_dump_pipe_config] requested mode:
>[    6.573041] [drm:drm_mode_debug_printmodeline] Modeline 0:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[    6.573041] [drm:intel_dump_pipe_config] adjusted mode:
>[    6.573043] [drm:drm_mode_debug_printmodeline] Modeline 0:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[    6.573045] [drm:intel_dump_crtc_timings] crtc timings: 135000 1280 1296 1440 1688 1024 1025 1028 1066, type: 0x40 flags: 0x5
>[    6.573046] [drm:intel_dump_pipe_config] port clock: 540000
>[    6.573046] [drm:intel_dump_pipe_config] pipe src size: 1280x1024
>[    6.573047] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[    6.573048] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[    6.573049] [drm:intel_dump_pipe_config] ips: 0
>[    6.573050] [drm:intel_dump_pipe_config] double wide: 0
>[    6.573093] [drm:intel_mst_pre_enable_dp] 1
>[    6.573095] [drm:drm_dp_mst_allocate_vcpi] initing vcpi for 483 13
>[    6.573508] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.573509] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.574192] [drm:intel_mst_enable_dp] 2
>[    6.579092] [drm:drm_dp_update_payload_part2] payload 0 2
>[    6.579093] [drm:drm_dp_update_payload_part2] payload 1 1
>[    6.580450] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.580450] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.580461] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.581049] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.582103] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.582105] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.585581] [drm:ironlake_update_primary_plane] Writing base 00191000 00000000 0 0 7680
>[    6.585590] [drm:intel_connector_check_state] [CONNECTOR:19:eDP-1]
>[    6.585598] [drm:intel_connector_check_state] [CONNECTOR:43:DP-4]
>[    6.585598] [drm:intel_connector_check_state] [CONNECTOR:64:DP-7]
>[    6.585599] [drm:check_encoder_state] [ENCODER:18:TMDS-18]
>[    6.585601] [drm:check_encoder_state] [ENCODER:26:TMDS-26]
>[    6.585602] [drm:check_encoder_state] [ENCODER:28:DP MST-28]
>[    6.585603] [drm:check_encoder_state] [ENCODER:29:DP MST-29]
>[    6.585603] [drm:check_encoder_state] [ENCODER:30:DP MST-30]
>[    6.585603] [drm:check_encoder_state] [ENCODER:33:TMDS-33]
>[    6.585605] [drm:check_encoder_state] [ENCODER:35:DP MST-35]
>[    6.585606] [drm:check_encoder_state] [ENCODER:36:DP MST-36]
>[    6.585606] [drm:check_encoder_state] [ENCODER:37:DP MST-37]
>[    6.585607] [drm:check_crtc_state] [CRTC:8]
>[    6.585618] [drm:check_crtc_state] [CRTC:12]
>[    6.585626] [drm:check_crtc_state] [CRTC:16]
>[    6.585635] [drm:check_shared_dpll_state] WRPLL 1
>[    6.585636] [drm:check_shared_dpll_state] WRPLL 2
>[    6.693117] usb 1-8: New USB device found, idVendor=04ca, idProduct=7035
>[    6.693118] usb 1-8: New USB device strings: Mfr=1, Product=2, SerialNumber=0
>[    6.693119] usb 1-8: Product: Integrated Camera
>[    6.693120] usb 1-8: Manufacturer: J30E8KAGD
>[    6.859415] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
>[    6.860090] i915 0000:00:02.0: registered panic notifier
>[    6.873403] snd_hda_intel 0000:00:03.0: irq 44 for MSI/MSI-X
>[    6.908896] [drm:intel_backlight_device_update_status] updating intel_backlight, brightness=851/851
>[    6.909931] [drm:intel_panel_actually_set_backlight] set backlight PWM = 851
>[    9.461468] [drm:edp_panel_vdd_off_sync] Turning eDP port A VDD off
>[    9.462533] [drm:edp_panel_vdd_off_sync] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd0007
>[    9.743035] psmouse serio2: trackpoint: IBM TrackPoint firmware: 0x0e, buttons: 3/3
>[    9.955447] input: TPPS/2 IBM TrackPoint as /devices/platform/i8042/serio1/serio2/input/input9
>[   18.898071] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[   18.899220] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[   18.900250] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[   18.901597] [drm:intel_dp_check_mst_status] got esi 01 20 00
>[   18.903356] [drm:intel_connector_check_state] [CONNECTOR:19:eDP-1]
>[   18.904054] [drm:intel_connector_check_state] [CONNECTOR:43:DP-4]
>[   18.904775] [drm:intel_connector_check_state] [CONNECTOR:64:DP-7]
>[   18.905522] [drm:check_encoder_state] [ENCODER:18:TMDS-18]
>[   18.906197] [drm:check_encoder_state] [ENCODER:26:TMDS-26]
>[   18.906858] [drm:check_encoder_state] [ENCODER:28:DP MST-28]
>[   18.907507] [drm:check_encoder_state] [ENCODER:29:DP MST-29]
>[   18.908178] [drm:check_encoder_state] [ENCODER:30:DP MST-30]
>[   18.908900] [drm:check_encoder_state] [ENCODER:33:TMDS-33]
>[   18.909517] [drm:check_encoder_state] [ENCODER:35:DP MST-35]
>[   18.910115] [drm:check_encoder_state] [ENCODER:36:DP MST-36]
>[   18.910692] [drm:check_encoder_state] [ENCODER:37:DP MST-37]
>[   18.911281] [drm:check_crtc_state] [CRTC:8]
>[   18.911915] [drm:check_crtc_state] [CRTC:12]
>[   18.912461] [drm:check_crtc_state] [CRTC:16]
>[   18.912992] [drm:check_shared_dpll_state] WRPLL 1
>[   18.913509] [drm:check_shared_dpll_state] WRPLL 2
>[   18.914585] [drm:intel_dp_destroy_mst_connector] 
>[   18.915219] [drm:drm_fb_helper_hotplug_event] 
>[   18.915762] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:19:eDP-1]
>[   18.916340] [drm:intel_dp_detect] [CONNECTOR:19:eDP-1]
>[   18.917145] [drm:edp_panel_vdd_on] Turning eDP port A VDD on
>[   18.917786] [drm:edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd000f
>[   18.918835] [drm:intel_dp_probe_oui] Sink OUI: 001cf8
>[   18.919703] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[   18.920260] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[   18.920796] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:19:eDP-1] probed modes :
>[   18.921380] [drm:drm_mode_debug_printmodeline] Modeline 20:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[   18.922039] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:DP-1]
>[   18.922615] [drm:intel_dp_detect] [CONNECTOR:27:DP-1]
>[   18.923198] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:DP-1] disconnected
>[   18.923805] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:31:HDMI-A-1]
>[   18.924399] [drm:intel_hdmi_detect] [CONNECTOR:31:HDMI-A-1]
>[   18.937789] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[   18.938514] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:31:HDMI-A-1] disconnected
>[   18.939155] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:34:DP-2]
>[   18.939778] [drm:intel_dp_detect] [CONNECTOR:34:DP-2]
>[   18.940407] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:34:DP-2] disconnected
>[   18.941062] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:38:HDMI-A-2]
>[   18.941750] [drm:intel_hdmi_detect] [CONNECTOR:38:HDMI-A-2]
>[   18.942736] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[   18.943420] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[   18.944117] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:38:HDMI-A-2] disconnected
>[   18.944935] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:39:DP-3]
>[   18.945657] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:39:DP-3] disconnected
>[   18.946372] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:43:DP-4]
>[   18.947090] ------------[ cut here ]------------
>[   18.947852] WARNING: CPU: 1 PID: 128 at include/linux/kref.h:47 drm_dp_mst_get_validated_mstb_ref_locked+0x92/0xa0 [drm_kms_helper]()
>[   18.948699] Modules linked in: snd_hda_codec_hdmi iTCO_wdt snd_hda_codec_generic x86_pkg_temp_thermal i915 intel_powerclamp coretemp microcode cfbfillrect cfbimgblt i2c_algo_bit snd_hda_intel cfbcopyarea ehci_pci psmouse ehci_hcd drm_kms_helper snd_hda_controller lpc_ich mfd_core drm snd_hda_codec thinkpad_acpi xhci_pci i2c_core snd_hwdep xhci_hcd intel_gtt snd_pcm nvram led_class battery agpgart ac snd_timer usbcore snd rtc_cmos soundcore usb_common video thermal processor evdev thermal_sys hwmon
>[   18.951351] CPU: 1 PID: 128 Comm: kworker/u16:2 Not tainted 3.18.0-00343-gfc7bddc #11
>[   18.952263] Hardware name: LENOVO 20ARS36E00/20ARS36E00, BIOS GJET78WW (2.28 ) 07/29/2014
>[   18.953163] Workqueue: i915-dp i915_digport_work_func [i915]
>[   18.954049]  0000000000000009 ffff88030ac2b5f8 ffffffff814d7f92 ffff88031e24e558
>[   18.954985]  0000000000000000 ffff88030ac2b638 ffffffff8104e671 ffff88030c6edf50
>[   18.955950]  ffff88030c730000 ffff88030ad8f858 ffff88030ad8f8a0 ffff88030c5518c0
>[   18.956834] Call Trace:
>[   18.957703]  [<ffffffff814d7f92>] dump_stack+0x46/0x58
>[   18.958606]  [<ffffffff8104e671>] warn_slowpath_common+0x81/0xa0
>[   18.959543]  [<ffffffff8104e74a>] warn_slowpath_null+0x1a/0x20
>[   18.960402]  [<ffffffffa03d2102>] drm_dp_mst_get_validated_mstb_ref_locked+0x92/0xa0 [drm_kms_helper]
>[   18.961301]  [<ffffffffa03d2139>] ? drm_dp_get_validated_mstb_ref+0x29/0x70 [drm_kms_helper]
>[   18.962212]  [<ffffffffa03d20b1>] drm_dp_mst_get_validated_mstb_ref_locked+0x41/0xa0 [drm_kms_helper]
>[   18.963078]  [<ffffffffa03d214e>] drm_dp_get_validated_mstb_ref+0x3e/0x70 [drm_kms_helper]
>[   18.963946]  [<ffffffff8106ce55>] ? __atomic_notifier_call_chain+0x5/0x90
>[   18.964852]  [<ffffffffa03d4c09>] drm_dp_mst_i2c_xfer+0x39/0x240 [drm_kms_helper]
>[   18.965793]  [<ffffffff81099232>] ? __lock_acquire+0x4e2/0x21d0
>[   18.966672]  [<ffffffff81099232>] ? __lock_acquire+0x4e2/0x21d0
>[   18.967551]  [<ffffffffa02ae1dd>] __i2c_transfer+0x6d/0x210 [i2c_core]
>[   18.968463]  [<ffffffffa02b0a67>] i2c_transfer+0x57/0xc0 [i2c_core]
>[   18.969423]  [<ffffffffa03313a9>] drm_do_probe_ddc_edid+0xc9/0x140 [drm]
>[   18.970317]  [<ffffffff814dc79e>] ? __mutex_unlock_slowpath+0xae/0x190
>[   18.971258]  [<ffffffffa0331479>] drm_get_edid+0x29/0x50 [drm]
>[   18.972223]  [<ffffffffa03d3a0e>] drm_dp_mst_get_edid+0x2e/0x50 [drm_kms_helper]
>[   18.973152]  [<ffffffffa0547b59>] intel_dp_mst_get_modes+0x29/0x50 [i915]
>[   18.974081]  [<ffffffffa03d094c>] drm_helper_probe_single_connector_modes_merge_bits+0xec/0x480 [drm_kms_helper]
>[   18.975071]  [<ffffffffa03d0cf3>] drm_helper_probe_single_connector_modes+0x13/0x20 [drm_kms_helper]
>[   18.976099]  [<ffffffffa03da660>] drm_fb_helper_probe_connector_modes.isra.3+0x50/0x70 [drm_kms_helper]
>[   18.977066]  [<ffffffffa03db3a0>] drm_fb_helper_hotplug_event+0x60/0xe0 [drm_kms_helper]
>[   18.978083]  [<ffffffffa05370ce>] intel_fbdev_output_poll_changed+0x1e/0x30 [i915]
>[   18.979123]  [<ffffffffa03d05db>] drm_kms_helper_hotplug_event+0x2b/0x40 [drm_kms_helper]
>[   18.980127]  [<ffffffffa0547ad5>] intel_dp_mst_hotplug+0x15/0x20 [i915]
>[   18.981164]  [<ffffffffa03d374b>] drm_dp_destroy_port+0x7b/0x80 [drm_kms_helper]
>[   18.982228]  [<ffffffffa03d3769>] drm_dp_put_port+0x19/0x20 [drm_kms_helper]
>[   18.983239]  [<ffffffffa03d38f4>] drm_dp_destroy_mst_branch_device+0x74/0x140 [drm_kms_helper]
>[   18.984253]  [<ffffffffa03d39d9>] drm_dp_put_mst_branch_device+0x19/0x20 [drm_kms_helper]
>[   18.985296]  [<ffffffffa03d36b9>] drm_dp_port_teardown_pdt+0x39/0x50 [drm_kms_helper]
>[   18.986374]  [<ffffffffa03d60de>] drm_dp_mst_handle_up_req+0x46e/0x500 [drm_kms_helper]
>[   18.987386]  [<ffffffffa03d61c3>] drm_dp_mst_hpd_irq+0x53/0x9f0 [drm_kms_helper]
>[   18.988435]  [<ffffffffa0545a75>] intel_dp_check_mst_status+0xb5/0x250 [i915]
>[   18.989510]  [<ffffffffa0546819>] intel_dp_hpd_pulse+0x199/0x2a0 [i915]
>[   18.990527]  [<ffffffffa04f01af>] i915_digport_work_func+0x8f/0x110 [i915]
>[   18.991563]  [<ffffffff81065fc2>] process_one_work+0x1b2/0x490
>[   18.992603]  [<ffffffff81065f51>] ? process_one_work+0x141/0x490
>[   18.993578]  [<ffffffff81066b1b>] worker_thread+0x6b/0x4a0
>[   18.994577]  [<ffffffff8109787d>] ? trace_hardirqs_on+0xd/0x10
>[   18.995584]  [<ffffffff81066ab0>] ? init_pwq+0xf0/0xf0
>[   18.996540]  [<ffffffff8106bba6>] kthread+0xf6/0x110
>[   18.997485]  [<ffffffff814de560>] ? _raw_spin_unlock_irq+0x30/0x40
>[   18.998461]  [<ffffffff8106bab0>] ? kthread_create_on_node+0x220/0x220
>[   18.999464]  [<ffffffff814defec>] ret_from_fork+0x7c/0xb0
>[   19.000398]  [<ffffffff8106bab0>] ? kthread_create_on_node+0x220/0x220
>[   19.001361] ---[ end trace c0606a1d4409cfe9 ]---
>[   19.003857] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[   19.005248] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[   20.330826] random: nonblocking pool is initialized
>[   21.923458] [drm:edp_panel_vdd_off_sync] Turning eDP port A VDD off
>[   21.924890] [drm:edp_panel_vdd_off_sync] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd0007
>[   22.999859] [drm:drm_dp_mst_wait_tx_reply] timedout msg send ffff88030cd51800 2 1
>
>[   23.002183] ======================================================
>[   23.003160] [ INFO: possible circular locking dependency detected ]
>[   23.004108] 3.18.0-00343-gfc7bddc #11 Tainted: G        W     
>[   23.005041] -------------------------------------------------------
>[   23.005941] kworker/u16:2/128 is trying to acquire lock:
>[   23.006826]  ((&mgr->work)){+.+.+.}, at: [<ffffffff81065585>] flush_work+0x5/0x260
>[   23.007667] 
>but task is already holding lock:
>[   23.009294]  (&dev->mode_config.mutex){+.+.+.}, at: [<ffffffffa03db365>] drm_fb_helper_hotplug_event+0x25/0xe0 [drm_kms_helper]
>[   23.010166] 
>which lock already depends on the new lock.
>
>[   23.012646] 
>the existing dependency chain (in reverse order) is:
>[   23.014307] 
>-> #1 (&dev->mode_config.mutex){+.+.+.}:
>[   23.015951]        [<ffffffff8109b58c>] lock_acquire+0xac/0x140
>[   23.016804]        [<ffffffff814db7e0>] mutex_lock_nested+0x40/0x390
>[   23.017629]        [<ffffffffa03389b0>] __drm_modeset_lock_all+0x90/0x120 [drm]
>[   23.018456]        [<ffffffffa0338a50>] drm_modeset_lock_all+0x10/0x40 [drm]
>[   23.019277]        [<ffffffffa032ad8b>] drm_connector_init+0x2b/0x2c0 [drm]
>[   23.020117]        [<ffffffffa0547c17>] intel_dp_add_mst_connector+0x67/0x140 [i915]
>[   23.020940]        [<ffffffffa03d51e4>] drm_dp_add_port+0x1c4/0x3a0 [drm_kms_helper]
>[   23.021753]        [<ffffffffa03d5564>] drm_dp_send_link_address+0x1a4/0x240 [drm_kms_helper]
>[   23.022578]        [<ffffffffa03d568d>] drm_dp_check_and_send_link_address+0x8d/0xa0 [drm_kms_helper]
>[   23.023429]        [<ffffffffa03d56bc>] drm_dp_mst_link_probe_work+0x1c/0x20 [drm_kms_helper]
>[   23.024258]        [<ffffffff81065fc2>] process_one_work+0x1b2/0x490
>[   23.025083]        [<ffffffff81066b1b>] worker_thread+0x6b/0x4a0
>[   23.025904]        [<ffffffff8106bba6>] kthread+0xf6/0x110
>[   23.026743]        [<ffffffff814defec>] ret_from_fork+0x7c/0xb0
>[   23.027558] 
>-> #0 ((&mgr->work)){+.+.+.}:
>[   23.029150]        [<ffffffff8109ab0b>] __lock_acquire+0x1dbb/0x21d0
>[   23.029979]        [<ffffffff8109b58c>] lock_acquire+0xac/0x140
>[   23.030775]        [<ffffffff810655bd>] flush_work+0x3d/0x260
>[   23.031566]        [<ffffffff8106683b>] __cancel_work_timer+0x8b/0x130
>[   23.032353]        [<ffffffff810668f0>] cancel_work_sync+0x10/0x20
>[   23.033156]        [<ffffffffa03d38aa>] drm_dp_destroy_mst_branch_device+0x2a/0x140 [drm_kms_helper]
>[   23.033946]        [<ffffffffa03d39d9>] drm_dp_put_mst_branch_device+0x19/0x20 [drm_kms_helper]
>[   23.034735]        [<ffffffffa03d4c4c>] drm_dp_mst_i2c_xfer+0x7c/0x240 [drm_kms_helper]
>[   23.035524]        [<ffffffffa02ae1dd>] __i2c_transfer+0x6d/0x210 [i2c_core]
>[   23.036335]        [<ffffffffa02b0a67>] i2c_transfer+0x57/0xc0 [i2c_core]
>[   23.037119]        [<ffffffffa03313a9>] drm_do_probe_ddc_edid+0xc9/0x140 [drm]
>[   23.038072]        [<ffffffffa0331479>] drm_get_edid+0x29/0x50 [drm]
>[   23.039022]        [<ffffffffa03d3a0e>] drm_dp_mst_get_edid+0x2e/0x50 [drm_kms_helper]
>[   23.039932]        [<ffffffffa0547b59>] intel_dp_mst_get_modes+0x29/0x50 [i915]
>[   23.040720]        [<ffffffffa03d094c>] drm_helper_probe_single_connector_modes_merge_bits+0xec/0x480 [drm_kms_helper]
>[   23.041519]        [<ffffffffa03d0cf3>] drm_helper_probe_single_connector_modes+0x13/0x20 [drm_kms_helper]
>[   23.042313]        [<ffffffffa03da660>] drm_fb_helper_probe_connector_modes.isra.3+0x50/0x70 [drm_kms_helper]
>[   23.043137]        [<ffffffffa03db3a0>] drm_fb_helper_hotplug_event+0x60/0xe0 [drm_kms_helper]
>[   23.043939]        [<ffffffffa05370ce>] intel_fbdev_output_poll_changed+0x1e/0x30 [i915]
>[   23.044751]        [<ffffffffa03d05db>] drm_kms_helper_hotplug_event+0x2b/0x40 [drm_kms_helper]
>[   23.045565]        [<ffffffffa0547ad5>] intel_dp_mst_hotplug+0x15/0x20 [i915]
>[   23.046411]        [<ffffffffa03d374b>] drm_dp_destroy_port+0x7b/0x80 [drm_kms_helper]
>[   23.047234]        [<ffffffffa03d3769>] drm_dp_put_port+0x19/0x20 [drm_kms_helper]
>[   23.048055]        [<ffffffffa03d38f4>] drm_dp_destroy_mst_branch_device+0x74/0x140 [drm_kms_helper]
>[   23.048885]        [<ffffffffa03d39d9>] drm_dp_put_mst_branch_device+0x19/0x20 [drm_kms_helper]
>[   23.049740]        [<ffffffffa03d36b9>] drm_dp_port_teardown_pdt+0x39/0x50 [drm_kms_helper]
>[   23.050572]        [<ffffffffa03d60de>] drm_dp_mst_handle_up_req+0x46e/0x500 [drm_kms_helper]
>[   23.051404]        [<ffffffffa03d61c3>] drm_dp_mst_hpd_irq+0x53/0x9f0 [drm_kms_helper]
>[   23.052225]        [<ffffffffa0545a75>] intel_dp_check_mst_status+0xb5/0x250 [i915]
>[   23.053077]        [<ffffffffa0546819>] intel_dp_hpd_pulse+0x199/0x2a0 [i915]
>[   23.053901]        [<ffffffffa04f01af>] i915_digport_work_func+0x8f/0x110 [i915]
>[   23.054721]        [<ffffffff81065fc2>] process_one_work+0x1b2/0x490
>[   23.055533]        [<ffffffff81066b1b>] worker_thread+0x6b/0x4a0
>[   23.056359]        [<ffffffff8106bba6>] kthread+0xf6/0x110
>[   23.057151]        [<ffffffff814defec>] ret_from_fork+0x7c/0xb0
>[   23.057939] 
>other info that might help us debug this:
>
>[   23.060273]  Possible unsafe locking scenario:
>
>[   23.061790]        CPU0                    CPU1
>[   23.062536]        ----                    ----
>[   23.063323]   lock(&dev->mode_config.mutex);
>[   23.064096]                                lock((&mgr->work));
>[   23.064814]                                lock(&dev->mode_config.mutex);
>[   23.065531]   lock((&mgr->work));
>[   23.066242] 
> *** DEADLOCK ***
>
>[   23.068373] 3 locks held by kworker/u16:2/128:
>[   23.069075]  #0:  ("i915-dp"){.+.+.+}, at: [<ffffffff81065f51>] process_one_work+0x141/0x490
>[   23.069823]  #1:  ((&dev_priv->dig_port_work)){+.+.+.}, at: [<ffffffff81065f51>] process_one_work+0x141/0x490
>[   23.070561]  #2:  (&dev->mode_config.mutex){+.+.+.}, at: [<ffffffffa03db365>] drm_fb_helper_hotplug_event+0x25/0xe0 [drm_kms_helper]
>[   23.071320] 
>stack backtrace:
>[   23.072795] CPU: 0 PID: 128 Comm: kworker/u16:2 Tainted: G        W      3.18.0-00343-gfc7bddc #11
>[   23.073576] Hardware name: LENOVO 20ARS36E00/20ARS36E00, BIOS GJET78WW (2.28 ) 07/29/2014
>[   23.074345] Workqueue: i915-dp i915_digport_work_func [i915]
>[   23.075108]  ffffffff823d5060 ffff88030ac2b3f8 ffffffff814d7f92 0000000000000007
>[   23.075881]  ffffffff823d5060 ffff88030ac2b448 ffffffff814d7068 0000000000000003
>[   23.076667]  ffff88030ac2b4a8 ffff88030ac2b448 ffff88030c6edf50 ffff88030c6ee828
>[   23.077425] Call Trace:
>[   23.078175]  [<ffffffff814d7f92>] dump_stack+0x46/0x58
>[   23.078934]  [<ffffffff814d7068>] print_circular_bug+0x2b2/0x2c3
>[   23.079721]  [<ffffffff8109ab0b>] __lock_acquire+0x1dbb/0x21d0
>[   23.080481]  [<ffffffff8109b58c>] lock_acquire+0xac/0x140
>[   23.081242]  [<ffffffff81065585>] ? flush_work+0x5/0x260
>[   23.081994]  [<ffffffff810a4f3d>] ? vprintk_emit+0x30d/0x5d0
>[   23.082746]  [<ffffffff810655bd>] flush_work+0x3d/0x260
>[   23.083521]  [<ffffffff81065585>] ? flush_work+0x5/0x260
>[   23.084272]  [<ffffffff810975f5>] ? mark_held_locks+0x75/0xa0
>[   23.085022]  [<ffffffff8106682f>] ? __cancel_work_timer+0x7f/0x130
>[   23.085767]  [<ffffffff8106683b>] __cancel_work_timer+0x8b/0x130
>[   23.086533]  [<ffffffffa03d4c44>] ? drm_dp_mst_i2c_xfer+0x74/0x240 [drm_kms_helper]
>[   23.087279]  [<ffffffff810668f0>] cancel_work_sync+0x10/0x20
>[   23.088023]  [<ffffffffa03d38aa>] drm_dp_destroy_mst_branch_device+0x2a/0x140 [drm_kms_helper]
>[   23.088778]  [<ffffffffa03d39d9>] drm_dp_put_mst_branch_device+0x19/0x20 [drm_kms_helper]
>[   23.089534]  [<ffffffffa03d4c4c>] drm_dp_mst_i2c_xfer+0x7c/0x240 [drm_kms_helper]
>[   23.090314]  [<ffffffff81099222>] ? __lock_acquire+0x4d2/0x21d0
>[   23.091067]  [<ffffffff81090150>] ? print_cpu+0x960/0xd30
>[   23.091817]  [<ffffffffa02ae1dd>] __i2c_transfer+0x6d/0x210 [i2c_core]
>[   23.092561]  [<ffffffffa02b0a67>] i2c_transfer+0x57/0xc0 [i2c_core]
>[   23.093332]  [<ffffffffa03313a9>] drm_do_probe_ddc_edid+0xc9/0x140 [drm]
>[   23.094071]  [<ffffffff814dc79e>] ? __mutex_unlock_slowpath+0xae/0x190
>[   23.094810]  [<ffffffffa0331479>] drm_get_edid+0x29/0x50 [drm]
>[   23.095542]  [<ffffffffa03d3a0e>] drm_dp_mst_get_edid+0x2e/0x50 [drm_kms_helper]
>[   23.096306]  [<ffffffffa0547b59>] intel_dp_mst_get_modes+0x29/0x50 [i915]
>[   23.097036]  [<ffffffffa03d094c>] drm_helper_probe_single_connector_modes_merge_bits+0xec/0x480 [drm_kms_helper]
>[   23.097780]  [<ffffffffa03d0cf3>] drm_helper_probe_single_connector_modes+0x13/0x20 [drm_kms_helper]
>[   23.098522]  [<ffffffffa03da660>] drm_fb_helper_probe_connector_modes.isra.3+0x50/0x70 [drm_kms_helper]
>[   23.099267]  [<ffffffffa03db3a0>] drm_fb_helper_hotplug_event+0x60/0xe0 [drm_kms_helper]
>[   23.100040]  [<ffffffffa05370ce>] intel_fbdev_output_poll_changed+0x1e/0x30 [i915]
>[   23.100783]  [<ffffffffa03d05db>] drm_kms_helper_hotplug_event+0x2b/0x40 [drm_kms_helper]
>[   23.101537]  [<ffffffffa0547ad5>] intel_dp_mst_hotplug+0x15/0x20 [i915]
>[   23.102284]  [<ffffffffa03d374b>] drm_dp_destroy_port+0x7b/0x80 [drm_kms_helper]
>[   23.103061]  [<ffffffffa03d3769>] drm_dp_put_port+0x19/0x20 [drm_kms_helper]
>[   23.103810]  [<ffffffffa03d38f4>] drm_dp_destroy_mst_branch_device+0x74/0x140 [drm_kms_helper]
>[   23.104564]  [<ffffffffa03d39d9>] drm_dp_put_mst_branch_device+0x19/0x20 [drm_kms_helper]
>[   23.105320]  [<ffffffffa03d36b9>] drm_dp_port_teardown_pdt+0x39/0x50 [drm_kms_helper]
>[   23.106079]  [<ffffffffa03d60de>] drm_dp_mst_handle_up_req+0x46e/0x500 [drm_kms_helper]
>[   23.106866]  [<ffffffffa03d61c3>] drm_dp_mst_hpd_irq+0x53/0x9f0 [drm_kms_helper]
>[   23.107637]  [<ffffffffa0545a75>] intel_dp_check_mst_status+0xb5/0x250 [i915]
>[   23.108410]  [<ffffffffa0546819>] intel_dp_hpd_pulse+0x199/0x2a0 [i915]
>[   23.109180]  [<ffffffffa04f01af>] i915_digport_work_func+0x8f/0x110 [i915]
>[   23.109972]  [<ffffffff81065fc2>] process_one_work+0x1b2/0x490
>[   23.110739]  [<ffffffff81065f51>] ? process_one_work+0x141/0x490
>[   23.111508]  [<ffffffff81066b1b>] worker_thread+0x6b/0x4a0
>[   23.112281]  [<ffffffff8109787d>] ? trace_hardirqs_on+0xd/0x10
>[   23.113084]  [<ffffffff81066ab0>] ? init_pwq+0xf0/0xf0
>[   23.113860]  [<ffffffff8106bba6>] kthread+0xf6/0x110
>[   23.114631]  [<ffffffff814de560>] ? _raw_spin_unlock_irq+0x30/0x40
>[   23.115408]  [<ffffffff8106bab0>] ? kthread_create_on_node+0x220/0x220
>[   23.116185]  [<ffffffff814defec>] ret_from_fork+0x7c/0xb0
>[   23.116986]  [<ffffffff8106bab0>] ? kthread_create_on_node+0x220/0x220

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