Attachment 110565 Details for Bug 87100 – dmesg drm-intel-nightly 3.18.0-00343-gfc7bddc

dmesg drm-intel-nightly 3.18.0-00343-gfc7bddc

dmesg-boot-w-3outputs-remove-vga.log (text/plain), 185.01 KB, created by Daniel Martin on 2014-12-08 14:12:55 UTC

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Creator: Daniel Martin

Created: 2014-12-08 14:12:55 UTC

Size: 185.01 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 2693.851 MHz processor
>[    0.000060] Calibrating delay loop (skipped), value calculated using timer frequency.. 5389.18 BogoMIPS (lpj=8979503)
>[    0.000193] pid_max: default: 32768 minimum: 301
>[    0.000266] ACPI: Core revision 20140926
>[    0.045389] ACPI: All ACPI Tables successfully acquired
>[    0.049406] Dentry cache hash table entries: 2097152 (order: 12, 16777216 bytes)
>[    0.053888] Inode-cache hash table entries: 1048576 (order: 11, 8388608 bytes)
>[    0.055501] Mount-cache hash table entries: 32768 (order: 6, 262144 bytes)
>[    0.055618] Mountpoint-cache hash table entries: 32768 (order: 6, 262144 bytes)
>[    0.056431] Initializing cgroup subsys memory
>[    0.056504] Initializing cgroup subsys devices
>[    0.056585] Initializing cgroup subsys freezer
>[    0.056665] Initializing cgroup subsys blkio
>[    0.056762] CPU: Physical Processor ID: 0
>[    0.056825] CPU: Processor Core ID: 0
>[    0.056890] ENERGY_PERF_BIAS: Set to 'normal', was 'performance'
>ENERGY_PERF_BIAS: View and update with x86_energy_perf_policy(8)
>[    0.058059] mce: CPU supports 7 MCE banks
>[    0.058133] CPU0: Thermal monitoring enabled (TM1)
>[    0.058213] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024
>Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4
>[    0.058497] Freeing SMP alternatives memory: 20K (ffffffff81c07000 - ffffffff81c0c000)
>[    0.058584] ftrace: allocating 19048 entries in 75 pages
>[    0.068390] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
>[    0.101452] smpboot: CPU0: Intel(R) Core(TM) i7-4600U CPU @ 2.10GHz (fam: 06, model: 45, stepping: 01)
>[    0.101661] TSC deadline timer enabled
>[    0.101756] Performance Events: PEBS fmt2+, 16-deep LBR, Haswell events, full-width counters, Intel PMU driver.
>[    0.102059] ... version:                3
>[    0.102122] ... bit width:              48
>[    0.102184] ... generic registers:      4
>[    0.102247] ... value mask:             0000ffffffffffff
>[    0.102312] ... max period:             0000ffffffffffff
>[    0.102377] ... fixed-purpose events:   3
>[    0.102439] ... event mask:             000000070000000f
>[    0.104545] x86: Booting SMP configuration:
>[    0.104610] .... node  #0, CPUs:      #1 #2 #3
>[    0.148295] x86: Booted up 1 node, 4 CPUs
>[    0.148415] smpboot: Total of 4 processors activated (21559.75 BogoMIPS)
>[    0.152847] NMI watchdog: enabled on all CPUs, permanently consumes one hw-PMU counter.
>[    0.153673] devtmpfs: initialized
>[    0.154242] PM: Registering ACPI NVS region [mem 0xdcd3f000-0xdce7efff] (1310720 bytes)
>[    0.155672] RTC time: 13:21:17, date: 12/08/14
>[    0.155967] NET: Registered protocol family 16
>[    0.169469] cpuidle: using governor ladder
>[    0.182840] cpuidle: using governor menu
>[    0.182961] ACPI FADT declares the system doesn't support PCIe ASPM, so disable it
>[    0.183057] ACPI: bus type PCI registered
>[    0.183378] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xf8000000-0xfbffffff] (base 0xf8000000)
>[    0.183470] PCI: MMCONFIG at [mem 0xf8000000-0xfbffffff] reserved in E820
>[    0.183614] PCI: Using configuration type 1 for base access
>[    0.196980] ACPI: Added _OSI(Module Device)
>[    0.197045] ACPI: Added _OSI(Processor Device)
>[    0.197109] ACPI: Added _OSI(3.0 _SCP Extensions)
>[    0.197174] ACPI: Added _OSI(Processor Aggregator Device)
>[    0.206227] ACPI : EC: EC description table is found, configuring boot EC
>[    0.227540] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored
>[    0.266643] ACPI: Dynamic OEM Table Load:
>[    0.266809] ACPI: SSDT 0xFFFF88030D1B0800 000436 (v01 PmRef  Cpu0Cst  00003001 INTL 20120711)
>[    0.287052] ACPI: Dynamic OEM Table Load:
>[    0.287218] ACPI: SSDT 0xFFFF88030D1B1000 0005AA (v01 PmRef  ApIst    00003000 INTL 20120711)
>[    0.306711] ACPI: Dynamic OEM Table Load:
>[    0.306875] ACPI: SSDT 0xFFFF88030D2D0000 000119 (v01 PmRef  ApCst    00003000 INTL 20120711)
>[    0.321402] ACPI: Interpreter enabled
>[    0.321472] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S1_] (20140926/hwxface-580)
>[    0.321642] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S2_] (20140926/hwxface-580)
>[    0.321839] ACPI: (supports S0 S3 S5)
>[    0.321901] ACPI: Using IOAPIC for interrupt routing
>[    0.322011] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
>[    0.340846] ACPI: Power Resource [PUBS] (on)
>[    0.342155] acpi PNP0C0A:01: ACPI dock station (docks/bays count: 1)
>[    0.342896] ACPI: Power Resource [NVP3] (on)
>[    0.343043] ACPI: Power Resource [NVP2] (on)
>[    0.409462] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 7 9 10 *11)
>[    0.410121] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 7 *9 10 11)
>[    0.410788] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 7 9 *10 11)
>[    0.411441] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 *6 7 9 10 11)
>[    0.412093] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 7 9 10 *11)
>[    0.412688] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 7 9 10 11) *0, disabled.
>[    0.413433] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 7 9 *10 11)
>[    0.414093] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 *7 9 10 11)
>[    0.414762] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-3f])
>[    0.414836] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI]
>[    0.415279] acpi PNP0A08:00: _OSC: platform does not support [PCIeCapability]
>[    0.415497] acpi PNP0A08:00: _OSC: not requesting control; platform does not support [PCIeCapability]
>[    0.415588] acpi PNP0A08:00: _OSC: OS requested [PCIeHotplug PME AER PCIeCapability]
>[    0.415675] acpi PNP0A08:00: _OSC: platform willing to grant [PCIeHotplug PME AER]
>[    0.415761] acpi PNP0A08:00: _OSC failed (AE_SUPPORT); disabling ASPM
>[    0.416152] PCI host bridge to bus 0000:00
>[    0.416218] pci_bus 0000:00: root bus resource [bus 00-3f]
>[    0.416285] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7]
>[    0.416353] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff]
>[    0.416421] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff]
>[    0.416491] pci_bus 0000:00: root bus resource [mem 0xdfa00000-0xfebfffff]
>[    0.416560] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed4bfff]
>[    0.416663] pci 0000:00:00.0: [8086:0a04] type 00 class 0x060000
>[    0.417006] pci 0000:00:02.0: [8086:0a16] type 00 class 0x030000
>[    0.417094] pci 0000:00:02.0: reg 0x10: [mem 0xf0000000-0xf03fffff 64bit]
>[    0.417173] pci 0000:00:02.0: reg 0x18: [mem 0xe0000000-0xefffffff 64bit pref]
>[    0.417265] pci 0000:00:02.0: reg 0x20: [io  0x3000-0x303f]
>[    0.417588] pci 0000:00:03.0: [8086:0a0c] type 00 class 0x040300
>[    0.417669] pci 0000:00:03.0: reg 0x10: [mem 0xf0630000-0xf0633fff 64bit]
>[    0.417988] pci 0000:00:14.0: [8086:9c31] type 00 class 0x0c0330
>[    0.418079] pci 0000:00:14.0: reg 0x10: [mem 0xf0620000-0xf062ffff 64bit]
>[    0.418233] pci 0000:00:14.0: PME# supported from D3hot D3cold
>[    0.418420] pci 0000:00:14.0: System wakeup disabled by ACPI
>[    0.418608] pci 0000:00:16.0: [8086:9c3a] type 00 class 0x078000
>[    0.418701] pci 0000:00:16.0: reg 0x10: [mem 0xf0639000-0xf063901f 64bit]
>[    0.418867] pci 0000:00:16.0: PME# supported from D0 D3hot D3cold
>[    0.419115] pci 0000:00:16.3: [8086:9c3d] type 00 class 0x070002
>[    0.419204] pci 0000:00:16.3: reg 0x10: [io  0x30b0-0x30b7]
>[    0.419280] pci 0000:00:16.3: reg 0x14: [mem 0xf063f000-0xf063ffff]
>[    0.419605] pci 0000:00:19.0: [8086:155a] type 00 class 0x020000
>[    0.419693] pci 0000:00:19.0: reg 0x10: [mem 0xf0600000-0xf061ffff]
>[    0.419769] pci 0000:00:19.0: reg 0x14: [mem 0xf063e000-0xf063efff]
>[    0.419845] pci 0000:00:19.0: reg 0x18: [io  0x3080-0x309f]
>[    0.419996] pci 0000:00:19.0: PME# supported from D0 D3hot D3cold
>[    0.420144] pci 0000:00:19.0: System wakeup disabled by ACPI
>[    0.420354] pci 0000:00:1b.0: [8086:9c20] type 00 class 0x040300
>[    0.420442] pci 0000:00:1b.0: reg 0x10: [mem 0xf0634000-0xf0637fff 64bit]
>[    0.420610] pci 0000:00:1b.0: PME# supported from D0 D3hot D3cold
>[    0.420866] pci 0000:00:1c.0: [8086:9c1a] type 01 class 0x060400
>[    0.421033] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold
>[    0.421288] pci 0000:00:1c.1: [8086:9c14] type 01 class 0x060400
>[    0.421462] pci 0000:00:1c.1: PME# supported from D0 D3hot D3cold
>[    0.421615] pci 0000:00:1c.1: System wakeup disabled by ACPI
>[    0.421807] pci 0000:00:1d.0: [8086:9c26] type 00 class 0x0c0320
>[    0.421899] pci 0000:00:1d.0: reg 0x10: [mem 0xf063d000-0xf063d3ff]
>[    0.422088] pci 0000:00:1d.0: PME# supported from D0 D3hot D3cold
>[    0.422239] pci 0000:00:1d.0: System wakeup disabled by ACPI
>[    0.422421] pci 0000:00:1f.0: [8086:9c43] type 00 class 0x060100
>[    0.422790] pci 0000:00:1f.2: [8086:9c03] type 00 class 0x010601
>[    0.422877] pci 0000:00:1f.2: reg 0x10: [io  0x30a8-0x30af]
>[    0.422952] pci 0000:00:1f.2: reg 0x14: [io  0x30bc-0x30bf]
>[    0.423026] pci 0000:00:1f.2: reg 0x18: [io  0x30a0-0x30a7]
>[    0.423101] pci 0000:00:1f.2: reg 0x1c: [io  0x30b8-0x30bb]
>[    0.423175] pci 0000:00:1f.2: reg 0x20: [io  0x3060-0x307f]
>[    0.423249] pci 0000:00:1f.2: reg 0x24: [mem 0xf063c000-0xf063c7ff]
>[    0.425201] pci 0000:00:1f.2: PME# supported from D3hot
>[    0.425448] pci 0000:00:1f.3: [8086:9c22] type 00 class 0x0c0500
>[    0.425533] pci 0000:00:1f.3: reg 0x10: [mem 0xf0638000-0xf06380ff 64bit]
>[    0.425627] pci 0000:00:1f.3: reg 0x20: [io  0xefa0-0xefbf]
>[    0.426044] pci 0000:02:00.0: [10ec:5227] type 00 class 0xff0000
>[    0.426169] pci 0000:02:00.0: reg 0x10: [mem 0xf0500000-0xf0500fff]
>[    0.426737] pci 0000:02:00.0: supports D1 D2
>[    0.426801] pci 0000:02:00.0: PME# supported from D1 D2 D3hot D3cold
>[    0.435249] pci 0000:00:1c.0: PCI bridge to [bus 02]
>[    0.435320] pci 0000:00:1c.0:   bridge window [mem 0xf0500000-0xf05fffff]
>[    0.435665] pci 0000:03:00.0: [8086:08b2] type 00 class 0x028000
>[    0.435910] pci 0000:03:00.0: reg 0x10: [mem 0xf0400000-0xf0401fff 64bit]
>[    0.436526] pci 0000:03:00.0: PME# supported from D0 D3hot D3cold
>[    0.445399] pci 0000:00:1c.1: PCI bridge to [bus 03]
>[    0.445470] pci 0000:00:1c.1:   bridge window [mem 0xf0400000-0xf04fffff]
>[    0.447561] ACPI: Enabled 4 GPEs in block 00 to 7F
>[    0.447917] ACPI : EC: GPE = 0x25, I/O: command/status = 0x66, data = 0x62
>[    0.448400] vgaarb: setting as boot device: PCI:0000:00:02.0
>[    0.448468] vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none
>[    0.448562] vgaarb: loaded
>[    0.448628] vgaarb: bridge control possible 0000:00:02.0
>[    0.448757] pps_core: LinuxPPS API ver. 1 registered
>[    0.448822] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
>[    0.448917] PTP clock support registered
>[    0.449014] PCI: Using ACPI for IRQ routing
>[    0.450749] PCI: pci_cache_line_size set to 64 bytes
>[    0.451149] e820: reserve RAM buffer [mem 0x0009d000-0x0009ffff]
>[    0.451221] e820: reserve RAM buffer [mem 0xce1e7000-0xcfffffff]
>[    0.451288] e820: reserve RAM buffer [mem 0x31e600000-0x31fffffff]
>[    0.451839] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0
>[    0.452255] hpet0: 8 comparators, 64-bit 14.318180 MHz counter
>[    0.454397] Switched to clocksource hpet
>[    0.484278] pnp: PnP ACPI init
>[    0.485330] system 00:00: [mem 0x00000000-0x0009ffff] could not be reserved
>[    0.485403] system 00:00: [mem 0x000c0000-0x000c3fff] could not be reserved
>[    0.485474] system 00:00: [mem 0x000c4000-0x000c7fff] could not be reserved
>[    0.485545] system 00:00: [mem 0x000c8000-0x000cbfff] could not be reserved
>[    0.485615] system 00:00: [mem 0x000cc000-0x000cffff] could not be reserved
>[    0.485685] system 00:00: [mem 0x000d0000-0x000d3fff] has been reserved
>[    0.485755] system 00:00: [mem 0x000d4000-0x000d7fff] has been reserved
>[    0.485824] system 00:00: [mem 0x000d8000-0x000dbfff] has been reserved
>[    0.485893] system 00:00: [mem 0x000dc000-0x000dffff] has been reserved
>[    0.485963] system 00:00: [mem 0x000e0000-0x000e3fff] could not be reserved
>[    0.486033] system 00:00: [mem 0x000e4000-0x000e7fff] could not be reserved
>[    0.486103] system 00:00: [mem 0x000e8000-0x000ebfff] could not be reserved
>[    0.486174] system 00:00: [mem 0x000ec000-0x000effff] could not be reserved
>[    0.486244] system 00:00: [mem 0x000f0000-0x000fffff] could not be reserved
>[    0.486315] system 00:00: [mem 0x00100000-0xdf9fffff] could not be reserved
>[    0.486385] system 00:00: [mem 0xfec00000-0xffffffff] could not be reserved
>[    0.486477] system 00:00: Plug and Play ACPI device, IDs PNP0c01 (active)
>[    0.486846] system 00:01: [io  0x1800-0x189f] could not be reserved
>[    0.486917] system 00:01: [io  0x0800-0x087f] has been reserved
>[    0.486985] system 00:01: [io  0x0880-0x08ff] has been reserved
>[    0.487053] system 00:01: [io  0x0900-0x097f] has been reserved
>[    0.487120] system 00:01: [io  0x0980-0x09ff] has been reserved
>[    0.487188] system 00:01: [io  0x0a00-0x0a7f] has been reserved
>[    0.487256] system 00:01: [io  0x0a80-0x0aff] has been reserved
>[    0.487324] system 00:01: [io  0x0b00-0x0b7f] has been reserved
>[    0.487391] system 00:01: [io  0x0b80-0x0bff] has been reserved
>[    0.487459] system 00:01: [io  0x15e0-0x15ef] has been reserved
>[    0.487527] system 00:01: [io  0x1600-0x167f] has been reserved
>[    0.487595] system 00:01: [io  0x1640-0x165f] has been reserved
>[    0.487664] system 00:01: [mem 0xf8000000-0xfbffffff] has been reserved
>[    0.487744] system 00:01: [mem 0x00000000-0x00000fff] could not be reserved
>[    0.487815] system 00:01: [mem 0xfed1c000-0xfed1ffff] has been reserved
>[    0.487884] system 00:01: [mem 0xfed10000-0xfed13fff] has been reserved
>[    0.487954] system 00:01: [mem 0xfed18000-0xfed18fff] has been reserved
>[    0.488023] system 00:01: [mem 0xfed19000-0xfed19fff] has been reserved
>[    0.488093] system 00:01: [mem 0xfed45000-0xfed4bfff] has been reserved
>[    0.488162] system 00:01: [mem 0xfed40000-0xfed44fff] has been reserved
>[    0.488235] system 00:01: Plug and Play ACPI device, IDs PNP0c02 (active)
>[    0.488436] pnp 00:02: Plug and Play ACPI device, IDs PNP0b00 (active)
>[    0.488572] pnp 00:03: Plug and Play ACPI device, IDs LEN0071 PNP0303 (active)
>[    0.488723] pnp 00:04: Plug and Play ACPI device, IDs LEN0036 PNP0f13 (active)
>[    0.489567] pnp: PnP ACPI: found 5 devices
>[    0.498862] pci 0000:00:1c.0: PCI bridge to [bus 02]
>[    0.498934] pci 0000:00:1c.0:   bridge window [mem 0xf0500000-0xf05fffff]
>[    0.499011] pci 0000:00:1c.1: PCI bridge to [bus 03]
>[    0.499080] pci 0000:00:1c.1:   bridge window [mem 0xf0400000-0xf04fffff]
>[    0.499157] pci_bus 0000:00: resource 4 [io  0x0000-0x0cf7]
>[    0.499224] pci_bus 0000:00: resource 5 [io  0x0d00-0xffff]
>[    0.499291] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff]
>[    0.499359] pci_bus 0000:00: resource 7 [mem 0xdfa00000-0xfebfffff]
>[    0.499427] pci_bus 0000:00: resource 8 [mem 0xfed40000-0xfed4bfff]
>[    0.499495] pci_bus 0000:02: resource 1 [mem 0xf0500000-0xf05fffff]
>[    0.499563] pci_bus 0000:03: resource 1 [mem 0xf0400000-0xf04fffff]
>[    0.499690] NET: Registered protocol family 2
>[    0.500146] TCP established hash table entries: 131072 (order: 8, 1048576 bytes)
>[    0.501195] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes)
>[    0.505611] TCP: Hash tables configured (established 131072 bind 65536)
>[    0.505722] TCP: reno registered
>[    0.505997] UDP hash table entries: 8192 (order: 8, 1310720 bytes)
>[    0.507381] UDP-Lite hash table entries: 8192 (order: 8, 1310720 bytes)
>[    0.508818] NET: Registered protocol family 1
>[    0.509150] RPC: Registered named UNIX socket transport module.
>[    0.509220] RPC: Registered udp transport module.
>[    0.509284] RPC: Registered tcp transport module.
>[    0.509348] RPC: Registered tcp NFSv4.1 backchannel transport module.
>[    0.509432] pci 0000:00:02.0: Video device with shadowed ROM
>[    0.510442] PCI: CLS 64 bytes, default 64
>[    0.510674] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
>[    0.510744] software IO TLB [mem 0xca1e7000-0xce1e7000] (64MB) mapped at [ffff8800ca1e7000-ffff8800ce1e6fff]
>[    0.511361] RAPL PMU detected, hw unit 2^-14 Joules, API unit is 2^-32 Joules, 4 fixed counters 655360 ms ovfl timer
>[    0.511571] Scanning for low memory corruption every 60 seconds
>[    0.512394] futex hash table entries: 2048 (order: 6, 262144 bytes)
>[    0.512637] audit: initializing netlink subsys (disabled)
>[    0.512729] audit: type=2000 audit(1418044877.509:1): initialized
>[    0.513499] HugeTLB registered 2 MB page size, pre-allocated 0 pages
>[    0.520713] NFS: Registering the id_resolver key type
>[    0.520848] Key type id_resolver registered
>[    0.520912] Key type id_legacy registered
>[    0.520980] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
>[    0.521105] msgmni has been set to 23391
>[    0.521718] alg: No test for stdrng (krng)
>[    0.521918] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250)
>[    0.522097] io scheduler noop registered
>[    0.522163] io scheduler deadline registered
>[    0.522334] io scheduler cfq registered (default)
>[    0.523197] intel_idle: MWAIT substates: 0x11142120
>[    0.523263] intel_idle: v0.4 model 0x45
>[    0.523325] intel_idle: lapic_timer_reliable_states 0xffffffff
>[    0.524467] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0D:00/input/input0
>[    0.524752] ACPI: Lid Switch [LID]
>[    0.524925] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input1
>[    0.525039] ACPI: Sleep Button [SLPB]
>[    0.525236] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input2
>[    0.525324] ACPI: Power Button [PWRF]
>[    0.525449] GHES: HEST is not enabled!
>[    0.525873] e1000e: Intel(R) PRO/1000 Network Driver - 2.3.2-k
>[    0.525941] e1000e: Copyright(c) 1999 - 2014 Intel Corporation.
>[    0.526254] e1000e 0000:00:19.0: Interrupt Throttling Rate (ints/sec) set to dynamic conservative mode
>[    0.526364] e1000e 0000:00:19.0: irq 40 for MSI/MSI-X
>[    0.693933] e1000e 0000:00:19.0 eth0: registered PHC clock
>[    0.694005] e1000e 0000:00:19.0 eth0: (PCI Express:2.5GT/s:Width x1) 28:d2:44:fa:90:28
>[    0.694093] e1000e 0000:00:19.0 eth0: Intel(R) PRO/1000 Network Connection
>[    0.694185] e1000e 0000:00:19.0 eth0: MAC: 11, PHY: 12, PBA No: 1000FF-0FF
>[    0.694374] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12
>[    0.696252] serio: i8042 KBD port at 0x60,0x64 irq 1
>[    0.696343] serio: i8042 AUX port at 0x60,0x64 irq 12
>[    0.696696] mousedev: PS/2 mouse device common for all mice
>[    0.696821] Intel P-state driver initializing.
>[    0.697794] TCP: cubic registered
>[    0.697901] NET: Registered protocol family 17
>[    0.698147] Key type dns_resolver registered
>[    0.701057] registered taskstats version 1
>[    0.704078]   Magic number: 10:837:381
>[    0.704246] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4
>[    0.704248] drivers/rtc/hctosys.c: unable to open rtc device (rtc0)
>[    0.804646] e1000e 0000:00:19.0: irq 40 for MSI/MSI-X
>[    0.907702] e1000e 0000:00:19.0: irq 40 for MSI/MSI-X
>[    1.520789] tsc: Refined TSC clocksource calibration: 2693.763 MHz
>[    2.520695] Switched to clocksource tsc
>[    3.854917] e1000e: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
>[    3.873221] Sending DHCP requests ., OK
>[    3.923206] IP-Config: Got DHCP answer from 192.168.1.1, my address is 192.168.1.119
>[    3.923399] IP-Config: Complete:
>[    3.923462]      device=eth0, hwaddr=28:d2:44:fa:90:28, ipaddr=192.168.1.119, mask=255.255.255.0, gw=192.168.1.1
>[    3.923553]      host=192.168.1.119, domain=, nis-domain=(none)
>[    3.923619]      bootserver=192.168.1.1, rootserver=192.168.1.1, rootpath=
>[    3.923672]      nameserver0=192.168.1.1
>
>[    3.929440] VFS: Mounted root (nfs filesystem) readonly on device 0:14.
>[    3.930470] Freeing unused kernel memory: 1072K (ffffffff81afb000 - ffffffff81c07000)
>[    3.932195] Write protecting the kernel read-only data: 10240k
>[    3.934563] Freeing unused kernel memory: 1136K (ffff8800014e4000 - ffff880001600000)
>[    3.936936] Freeing unused kernel memory: 1568K (ffff880001878000 - ffff880001a00000)
>[    4.015365] random: systemd urandom read with 13 bits of entropy available
>[    4.021509] 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 )
>[    4.022143] systemd[1]: Detected architecture 'x86-64'.
>[    4.032610] systemd[1]: Failed to insert module 'autofs4'
>[    4.032758] systemd[1]: Failed to insert module 'ipv6'
>[    4.033675] systemd[1]: Set hostname to <archlinux>.
>[    4.179030] systemd[1]: Cannot add dependency job for unit display-manager.service, ignoring: Unit display-manager.service failed to load: No such file or directory.
>[    4.180320] systemd[1]: Starting Forward Password Requests to Wall Directory Watch.
>[    4.180712] systemd[1]: Started Forward Password Requests to Wall Directory Watch.
>[    4.180810] systemd[1]: Starting Remote File Systems.
>[    4.181268] systemd[1]: Reached target Remote File Systems.
>[    4.181356] systemd[1]: Starting Dispatch Password Requests to Console Directory Watch.
>[    4.181566] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.
>[    4.181659] systemd[1]: Starting Paths.
>[    4.182057] systemd[1]: Reached target Paths.
>[    4.182135] systemd[1]: Starting Encrypted Volumes.
>[    4.182512] systemd[1]: Reached target Encrypted Volumes.
>[    4.182629] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point.
>[    4.182720] systemd[1]: Starting Swap.
>[    4.183132] systemd[1]: Reached target Swap.
>[    4.183200] systemd[1]: Starting Root Slice.
>[    4.192986] systemd[1]: Created slice Root Slice.
>[    4.193069] systemd[1]: Starting /dev/initctl Compatibility Named Pipe.
>[    4.193542] systemd[1]: Listening on /dev/initctl Compatibility Named Pipe.
>[    4.193611] systemd[1]: Starting Delayed Shutdown Socket.
>[    4.194006] systemd[1]: Listening on Delayed Shutdown Socket.
>[    4.194071] systemd[1]: Starting Device-mapper event daemon FIFOs.
>[    4.194501] systemd[1]: Listening on Device-mapper event daemon FIFOs.
>[    4.194574] systemd[1]: Starting Journal Socket (/dev/log).
>[    4.195055] systemd[1]: Listening on Journal Socket (/dev/log).
>[    4.195139] systemd[1]: Starting udev Kernel Socket.
>[    4.195556] systemd[1]: Listening on udev Kernel Socket.
>[    4.195634] systemd[1]: Starting udev Control Socket.
>[    4.196063] systemd[1]: Listening on udev Control Socket.
>[    4.196132] systemd[1]: Starting User and Session Slice.
>[    4.196978] systemd[1]: Created slice User and Session Slice.
>[    4.197046] systemd[1]: Starting LVM2 metadata daemon socket.
>[    4.197452] systemd[1]: Listening on LVM2 metadata daemon socket.
>[    4.197519] systemd[1]: Starting Journal Socket.
>[    4.197949] systemd[1]: Listening on Journal Socket.
>[    4.198017] systemd[1]: Starting System Slice.
>[    4.198742] systemd[1]: Created slice System Slice.
>[    4.199173] systemd[1]: Mounting Temporary Directory...
>[    4.204536] systemd[1]: Starting Load Kernel Modules...
>[    4.206549] systemd[1]: Starting Create list of required static device nodes for the current kernel...
>[    4.207670] systemd[1]: Starting udev Coldplug all Devices...
>[    4.211764] systemd[1]: Started Set Up Additional Binary Formats.
>[    4.211860] systemd[1]: Starting Setup Virtual Console...
>[    4.213480] systemd[1]: Mounting Huge Pages File System...
>[    4.215127] systemd[1]: Mounting POSIX Message Queue File System...
>[    4.217309] systemd[1]: Mounting Debug File System...
>[    4.220180] systemd[1]: Starting system-getty.slice.
>[    4.222164] systemd[1]: Created slice system-getty.slice.
>[    4.222646] systemd[1]: Starting Journal Service...
>[    4.224669] systemd[1]: Started Journal Service.
>[    4.341986] systemd-udevd[98]: starting version 216
>[    4.350346] systemd-journald[76]: Received request to flush runtime journal from PID 1
>[    4.441297] rtc_cmos 00:02: RTC can wake from S4
>[    4.441954] rtc_cmos 00:02: rtc core: registered rtc_cmos as rtc0
>[    4.442052] rtc_cmos 00:02: alarms up to one month, y3k, 114 bytes nvram, hpet irqs
>[    4.443039] ACPI: bus type USB registered
>[    4.443095] Linux agpgart interface v0.103
>[    4.443570] usbcore: registered new interface driver usbfs
>[    4.444085] usbcore: registered new interface driver hub
>[    4.444200] usbcore: registered new device driver usb
>[    4.449768] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
>[    4.454104] ehci-pci: EHCI PCI platform driver
>[    4.454533] ehci-pci 0000:00:1d.0: EHCI Host Controller
>[    4.454708] ehci-pci 0000:00:1d.0: new USB bus registered, assigned bus number 1
>[    4.454830] ehci-pci 0000:00:1d.0: debug port 2
>[    4.458828] ehci-pci 0000:00:1d.0: cache line size of 64 is not supported
>[    4.458931] ehci-pci 0000:00:1d.0: irq 23, io mem 0xf063d000
>[    4.466087] [drm] Initialized drm 1.1.0 20060810
>[    4.466571] ehci-pci 0000:00:1d.0: USB 2.0 started, EHCI 1.00
>[    4.466718] Non-volatile memory driver v1.3
>[    4.467720] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
>[    4.467817] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
>[    4.467917] usb usb1: Product: EHCI Host Controller
>[    4.467983] usb usb1: Manufacturer: Linux 3.18.0-00343-gfc7bddc ehci_hcd
>[    4.468091] usb usb1: SerialNumber: 0000:00:1d.0
>[    4.470939] ACPI: Battery Slot [BAT0] (battery present)
>[    4.476737] hub 1-0:1.0: USB hub found
>[    4.477041] hub 1-0:1.0: 3 ports detected
>[    4.479477] xhci_hcd 0000:00:14.0: xHCI Host Controller
>[    4.479591] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2
>[    4.479701] thinkpad_acpi: ThinkPad ACPI Extras v0.25
>[    4.479702] thinkpad_acpi: http://ibm-acpi.sf.net/
>[    4.479703] thinkpad_acpi: ThinkPad BIOS GJET78WW (2.28 ), EC unknown
>[    4.479703] thinkpad_acpi: Lenovo ThinkPad T440s, model 20ARS36E00
>[    4.481274] thinkpad_acpi: Unsupported brightness interface, please contact ibm-acpi-devel@lists.sourceforge.net
>[    4.481307] thinkpad_acpi: radio switch found; radios are enabled
>[    4.481533] thinkpad_acpi: This ThinkPad has standard ACPI backlight brightness control, supported by the ACPI video driver
>[    4.481533] thinkpad_acpi: Disabling thinkpad-acpi brightness events by default...
>[    4.482220] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported
>[    4.482324] xhci_hcd 0000:00:14.0: irq 41 for MSI/MSI-X
>[    4.482741] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002
>[    4.482809] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
>[    4.482890] usb usb2: Product: xHCI Host Controller
>[    4.482961] usb usb2: Manufacturer: Linux 3.18.0-00343-gfc7bddc xhci-hcd
>[    4.483028] usb usb2: SerialNumber: 0000:00:14.0
>[    4.486457] hub 2-0:1.0: USB hub found
>[    4.486625] hub 2-0:1.0: 9 ports detected
>[    4.489037] ACPI: Battery Slot [BAT1] (battery present)
>[    4.496624] ACPI: AC Adapter [AC] (on-line)
>[    4.497798] thinkpad_acpi: rfkill switch tpacpi_bluetooth_sw: radio is unblocked
>[    4.498551] thinkpad_acpi: rfkill switch tpacpi_wwan_sw: radio is unblocked
>[    4.499540] thinkpad_acpi: Console audio control enabled, mode: monitor (read only)
>[    4.500337] xhci_hcd 0000:00:14.0: xHCI Host Controller
>[    4.500412] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 3
>[    4.500747] usb usb3: New USB device found, idVendor=1d6b, idProduct=0003
>[    4.500815] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1
>[    4.500897] usb usb3: Product: xHCI Host Controller
>[    4.500961] usb usb3: Manufacturer: Linux 3.18.0-00343-gfc7bddc xhci-hcd
>[    4.501028] usb usb3: SerialNumber: 0000:00:14.0
>[    4.509516] input: ThinkPad Extra Buttons as /devices/platform/thinkpad_acpi/input/input6
>[    4.510277] hub 3-0:1.0: USB hub found
>[    4.510362] hub 3-0:1.0: 4 ports detected
>[    4.519697] snd_hda_intel 0000:00:1b.0: irq 42 for MSI/MSI-X
>[    4.529272] microcode: CPU0 sig=0x40651, pf=0x40, revision=0x1c
>[    4.530726] microcode: CPU1 sig=0x40651, pf=0x40, revision=0x1c
>[    4.530938] microcode: CPU2 sig=0x40651, pf=0x40, revision=0x1c
>[    4.531390] microcode: CPU3 sig=0x40651, pf=0x40, revision=0x1c
>[    4.533415] microcode: Microcode Update Driver: v2.00 <tigran@aivazian.fsnet.co.uk>, Peter Oruba
>[    4.533430] thermal LNXTHERM:00: registered as thermal_zone0
>[    4.533432] ACPI: Thermal Zone [THM0] (40 C)
>[    4.534393] [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,
>[    4.534580] [drm:intel_detect_pch] Found LynxPoint LP PCH
>[    4.534973] [drm] Memory usable by graphics device = 2048M
>[    4.535057] [drm:i915_gem_gtt_init] GMADR size = 256M
>[    4.535120] [drm:i915_gem_gtt_init] GTT stolen size = 32M
>[    4.535183] [drm:i915_gem_gtt_init] ppgtt mode: 1
>[    4.535282] [drm] Replacing VGA console driver
>[    4.537287] Console: switching to colour dummy device 80x25
>[    4.538825] [drm:intel_opregion_setup] graphic opregion physical addr: 0xdce45018
>[    4.538834] [drm:intel_opregion_setup] Public ACPI methods supported
>[    4.538836] [drm:intel_opregion_setup] SWSCI supported
>[    4.556288] [drm:swsci_setup] SWSCI BIOS requested (00200383) SBCB callbacks that are not supported (02200705)
>[    4.556296] [drm:swsci_setup] SWSCI GBDA callbacks 00000483, SBCB callbacks 00200383
>[    4.556300] [drm:intel_opregion_setup] ASLE supported
>[    4.556536] i915 0000:00:02.0: irq 43 for MSI/MSI-X
>[    4.556559] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
>[    4.556561] [drm] Driver supports precise vblank timestamp query.
>[    4.556564] [drm:init_vbt_defaults] Set default to SSC at 120000 kHz
>[    4.556566] [drm:validate_vbt] Using VBT from OpRegion: $VBT HASWELL        d
>[    4.556569] [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
>[    4.556572] [drm:parse_general_definitions] crt_ddc_bus_pin: 2
>[    4.556574] [drm:parse_lfp_panel_data] DRRS supported mode is static
>[    4.556577] [drm:parse_lfp_panel_data] Found panel mode in BIOS VBT tables:
>[    4.556580] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 0 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x8 0xa
>[    4.556583] [drm:parse_lfp_panel_data] VBT initial LVDS value 30033c
>[    4.556585] [drm:parse_lfp_backlight] VBT backlight PWM modulation frequency 220 Hz, active high, min brightness 3, level 255
>[    4.556588] [drm:parse_sdvo_panel_data] Found SDVO panel mode in BIOS VBT tables:
>[    4.556591] [drm:drm_mode_debug_printmodeline] Modeline 0:"1600x1200" 0 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x8 0xa
>[    4.556594] [drm:parse_sdvo_device_mapping] No SDVO device info is found in VBT
>[    4.556596] [drm:parse_driver_features] DRRS State Enabled:1
>[    4.556599] [drm:parse_ddi_port] Port A VBT info: DP:1 HDMI:0 DVI:0 EDP:1 CRT:0
>[    4.556602] [drm:parse_ddi_port] VBT HDMI level shift for port A: 0
>[    4.556604] [drm:parse_ddi_port] Port B VBT info: DP:1 HDMI:1 DVI:1 EDP:0 CRT:0
>[    4.556606] [drm:parse_ddi_port] VBT HDMI level shift for port B: 1
>[    4.556608] [drm:parse_ddi_port] Port C VBT info: DP:1 HDMI:1 DVI:1 EDP:0 CRT:0
>[    4.556610] [drm:parse_ddi_port] VBT HDMI level shift for port C: 1
>[    4.556639] [drm:intel_dsm_pci_probe] no _DSM method for intel device
>[    4.556661] [drm:i915_gem_init_stolen] found 33554432 bytes of stolen memory at dda00000
>[    4.556700] [drm:intel_display_power_get] enabling always-on
>[    4.556702] [drm:intel_display_power_get] enabling display
>[    4.556950] [drm:intel_print_wm_latency] Primary WM0 latency 20 (2.0 usec)
>[    4.556953] [drm:intel_print_wm_latency] Primary WM1 latency 4 (2.0 usec)
>[    4.556955] [drm:intel_print_wm_latency] Primary WM2 latency 36 (18.0 usec)
>[    4.556957] [drm:intel_print_wm_latency] Primary WM3 latency 90 (45.0 usec)
>[    4.556959] [drm:intel_print_wm_latency] Primary WM4 latency 160 (80.0 usec)
>[    4.556961] [drm:intel_print_wm_latency] Sprite WM0 latency 20 (2.0 usec)
>[    4.556963] [drm:intel_print_wm_latency] Sprite WM1 latency 4 (2.0 usec)
>[    4.556965] [drm:intel_print_wm_latency] Sprite WM2 latency 36 (18.0 usec)
>[    4.556967] [drm:intel_print_wm_latency] Sprite WM3 latency 90 (45.0 usec)
>[    4.556969] [drm:intel_print_wm_latency] Sprite WM4 latency 160 (80.0 usec)
>[    4.556971] [drm:intel_print_wm_latency] Cursor WM0 latency 20 (2.0 usec)
>[    4.556973] [drm:intel_print_wm_latency] Cursor WM1 latency 4 (2.0 usec)
>[    4.556975] [drm:intel_print_wm_latency] Cursor WM2 latency 36 (18.0 usec)
>[    4.556977] [drm:intel_print_wm_latency] Cursor WM3 latency 90 (45.0 usec)
>[    4.556979] [drm:intel_print_wm_latency] Cursor WM4 latency 160 (80.0 usec)
>[    4.556982] [drm:intel_modeset_init] 3 display pipes available.
>[    4.557006] [drm:intel_ddi_pll_init] CDCLK running at 450000KHz
>[    4.557012] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem
>[    4.557347] [drm:intel_dp_init_connector] Adding eDP connector on port A
>[    4.557529] [drm:intel_dp_init_panel_power_sequencer] cur t1_t3 2000 t8 0 t9 2000 t10 500 t11_t12 6000
>[    4.557533] [drm:intel_dp_init_panel_power_sequencer] vbt t1_t3 2000 t8 10 t9 2000 t10 500 t11_t12 5000
>[    4.557535] [drm:intel_dp_init_panel_power_sequencer] panel power up delay 200, power down delay 50, power cycle delay 600
>[    4.557538] [drm:intel_dp_init_panel_power_sequencer] backlight on delay 1, off delay 200
>[    4.557542] [drm:intel_dp_aux_init] registering DPDDC-A bus for card0-eDP-1
>[    4.557711] [drm:edp_panel_vdd_on] Turning eDP port A VDD on
>[    4.557719] [drm:edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd000f
>[    4.558356] [drm:intel_dp_get_dpcd] DPCD: 11 0a 82 41 00 00 01 80 02 00 00 00 0f 0b 00
>[    4.558689] [drm:intel_dp_get_dpcd] Detected EDP PSR Panel.
>[    4.558704] [drm:intel_dp_init_panel_power_sequencer_registers] panel power sequencer register settings: PP_ON 0x7d00001, PP_OFF 0x1f40001, PP_DIV 0x4af06
>[    4.571631] sound hdaudioC1D0: autoconfig: line_outs=1 (0x14/0x0/0x0/0x0/0x0) type:speaker
>[    4.571640] sound hdaudioC1D0:    speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
>[    4.571645] sound hdaudioC1D0:    hp_outs=1 (0x15/0x0/0x0/0x0/0x0)
>[    4.571649] sound hdaudioC1D0:    mono: mono_out=0x0
>[    4.571653] sound hdaudioC1D0:    inputs:
>[    4.571657] sound hdaudioC1D0:      Mic=0x1a
>[    4.571660] sound hdaudioC1D0:      Internal Mic=0x12
>[    4.571894] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.11
>[    4.571946] iTCO_wdt: Found a Lynx Point_LP TCO device (Version=2, TCOBASE=0x1860)
>[    4.584005] iTCO_wdt: initialized. heartbeat=30 sec (nowayout=0)
>[    4.587087] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[    4.587093] [drm:intel_dp_drrs_init] VBT doesn't support DRRS
>[    4.587155] [drm:intel_panel_setup_backlight] Connector eDP-1 backlight initialized, enabled, brightness 851/851
>[    4.587176] [drm:intel_dp_init_connector] Adding DP connector on port B
>[    4.587277] [drm:intel_dp_aux_init] registering DPDDC-B bus for card0-DP-1
>[    4.588822] [drm:intel_dp_init_connector] Adding DP connector on port C
>[    4.590807] [drm:intel_dp_aux_init] registering DPDDC-C bus for card0-DP-2
>[    4.609727] [drm:intel_modeset_readout_hw_state] [CRTC:8] hw state readout: enabled
>[    4.609738] [drm:intel_modeset_readout_hw_state] [CRTC:12] hw state readout: disabled
>[    4.609744] [drm:intel_modeset_readout_hw_state] [CRTC:16] hw state readout: disabled
>[    4.609759] [drm:intel_modeset_readout_hw_state] WRPLL 1 hw state readout: crtc_mask 0x00000001, on 1
>[    4.609777] [drm:intel_modeset_readout_hw_state] WRPLL 2 hw state readout: crtc_mask 0x00000000, on 0
>[    4.609798] [drm:intel_modeset_readout_hw_state] [ENCODER:18:TMDS-18] hw state readout: enabled, pipe A
>[    4.609804] [drm:intel_modeset_readout_hw_state] [ENCODER:26:TMDS-26] hw state readout: disabled, pipe A
>[    4.609810] [drm:intel_modeset_readout_hw_state] [ENCODER:28:DP MST-28] hw state readout: disabled, pipe A
>[    4.609815] [drm:intel_modeset_readout_hw_state] [ENCODER:29:DP MST-29] hw state readout: disabled, pipe B
>[    4.609819] [drm:intel_modeset_readout_hw_state] [ENCODER:30:DP MST-30] hw state readout: disabled, pipe C
>[    4.609825] [drm:intel_modeset_readout_hw_state] [ENCODER:33:TMDS-33] hw state readout: disabled, pipe A
>[    4.609830] [drm:intel_modeset_readout_hw_state] [ENCODER:35:DP MST-35] hw state readout: disabled, pipe A
>[    4.609835] [drm:intel_modeset_readout_hw_state] [ENCODER:36:DP MST-36] hw state readout: disabled, pipe B
>[    4.609840] [drm:intel_modeset_readout_hw_state] [ENCODER:37:DP MST-37] hw state readout: disabled, pipe C
>[    4.609848] [drm:intel_modeset_readout_hw_state] [CONNECTOR:19:eDP-1] hw state readout: enabled
>[    4.609854] [drm:intel_modeset_readout_hw_state] [CONNECTOR:27:DP-1] hw state readout: disabled
>[    4.609860] [drm:intel_modeset_readout_hw_state] [CONNECTOR:31:HDMI-A-1] hw state readout: disabled
>[    4.609866] [drm:intel_modeset_readout_hw_state] [CONNECTOR:34:DP-2] hw state readout: disabled
>[    4.609871] [drm:intel_modeset_readout_hw_state] [CONNECTOR:38:HDMI-A-2] hw state readout: disabled
>[    4.609937] [drm:intel_dump_pipe_config] [CRTC:8][setup_hw_state] config for pipe A
>[    4.609941] [drm:intel_dump_pipe_config] cpu_transcoder: D
>[    4.609944] [drm:intel_dump_pipe_config] pipe bpp: 18, dithering: 0
>[    4.609948] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[    4.609953] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 4940610, gmch_n: 8388608, link_m: 274478, link_n: 524288, tu: 64
>[    4.609958] [drm:intel_dump_pipe_config] dp: 1, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[    4.609962] [drm:intel_dump_pipe_config] audio: 0, infoframes: 0
>[    4.609965] [drm:intel_dump_pipe_config] requested mode:
>[    4.609970] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 720 0 0 0 400 0 0 0 0x0 0x0
>[    4.609973] [drm:intel_dump_pipe_config] adjusted mode:
>[    4.609977] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0x5
>[    4.609982] [drm:intel_dump_crtc_timings] crtc timings: 141351 1920 1936 1952 2104 1080 1083 1097 1116, type: 0x0 flags: 0x5
>[    4.609987] [drm:intel_dump_pipe_config] port clock: 270000
>[    4.609990] [drm:intel_dump_pipe_config] pipe src size: 720x400
>[    4.609994] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[    4.609998] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x07800438, enabled
>[    4.610002] [drm:intel_dump_pipe_config] ips: 0
>[    4.610005] [drm:intel_dump_pipe_config] double wide: 0
>[    4.610102] [drm:i915_get_vblank_timestamp] crtc 1 is disabled
>[    4.610129] [drm:gm45_get_vblank_counter] trying to get vblank count for disabled pipe B
>[    4.610133] [drm:i915_get_vblank_timestamp] crtc 1 is disabled
>[    4.610136] [drm:gm45_get_vblank_counter] trying to get vblank count for disabled pipe B
>[    4.610169] [drm:intel_dump_pipe_config] [CRTC:12][setup_hw_state] config for pipe B
>[    4.610173] [drm:intel_dump_pipe_config] cpu_transcoder: B
>[    4.610176] [drm:intel_dump_pipe_config] pipe bpp: 0, dithering: 0
>[    4.610179] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[    4.610184] [drm:intel_dump_pipe_config] dp: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[    4.610188] [drm:intel_dump_pipe_config] dp: 0, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[    4.610191] [drm:intel_dump_pipe_config] audio: 0, infoframes: 0
>[    4.610192] [drm:intel_dump_pipe_config] requested mode:
>[    4.610194] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0x0
>[    4.610196] [drm:intel_dump_pipe_config] adjusted mode:
>[    4.610198] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0x0
>[    4.610201] [drm:intel_dump_crtc_timings] crtc timings: 0 0 0 0 0 0 0 0 0, type: 0x0 flags: 0x0
>[    4.610203] [drm:intel_dump_pipe_config] port clock: 0
>[    4.610204] [drm:intel_dump_pipe_config] pipe src size: 0x0
>[    4.610206] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[    4.610209] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[    4.610211] [drm:intel_dump_pipe_config] ips: 0
>[    4.610212] [drm:intel_dump_pipe_config] double wide: 0
>[    4.610215] [drm:i915_get_vblank_timestamp] crtc 2 is disabled
>[    4.610218] [drm:gm45_get_vblank_counter] trying to get vblank count for disabled pipe C
>[    4.610221] [drm:i915_get_vblank_timestamp] crtc 2 is disabled
>[    4.610224] [drm:gm45_get_vblank_counter] trying to get vblank count for disabled pipe C
>[    4.610228] [drm:intel_dump_pipe_config] [CRTC:16][setup_hw_state] config for pipe C
>[    4.610230] [drm:intel_dump_pipe_config] cpu_transcoder: C
>[    4.610231] [drm:intel_dump_pipe_config] pipe bpp: 0, dithering: 0
>[    4.610233] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[    4.610236] [drm:intel_dump_pipe_config] dp: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[    4.610238] [drm:intel_dump_pipe_config] dp: 0, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[    4.610240] [drm:intel_dump_pipe_config] audio: 0, infoframes: 0
>[    4.610242] [drm:intel_dump_pipe_config] requested mode:
>[    4.610244] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0x0
>[    4.610246] [drm:intel_dump_pipe_config] adjusted mode:
>[    4.610248] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0x0
>[    4.610250] [drm:intel_dump_crtc_timings] crtc timings: 0 0 0 0 0 0 0 0 0, type: 0x0 flags: 0x0
>[    4.610252] [drm:intel_dump_pipe_config] port clock: 0
>[    4.610254] [drm:intel_dump_pipe_config] pipe src size: 0x0
>[    4.610256] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[    4.610258] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[    4.610260] [drm:intel_dump_pipe_config] ips: 0
>[    4.610262] [drm:intel_dump_pipe_config] double wide: 0
>[    4.610271] [drm:intel_connector_check_state] [CONNECTOR:19:eDP-1]
>[    4.610278] [drm:check_encoder_state] [ENCODER:18:TMDS-18]
>[    4.610280] [drm:check_encoder_state] [ENCODER:26:TMDS-26]
>[    4.610283] [drm:check_encoder_state] [ENCODER:28:DP MST-28]
>[    4.610284] [drm:check_encoder_state] [ENCODER:29:DP MST-29]
>[    4.610286] [drm:check_encoder_state] [ENCODER:30:DP MST-30]
>[    4.610287] [drm:check_encoder_state] [ENCODER:33:TMDS-33]
>[    4.610290] [drm:check_encoder_state] [ENCODER:35:DP MST-35]
>[    4.610291] [drm:check_encoder_state] [ENCODER:36:DP MST-36]
>[    4.610293] [drm:check_encoder_state] [ENCODER:37:DP MST-37]
>[    4.610295] [drm:check_crtc_state] [CRTC:8]
>[    4.610308] [drm:check_crtc_state] [CRTC:12]
>[    4.610311] [drm:check_crtc_state] [CRTC:16]
>[    4.610313] [drm:check_shared_dpll_state] WRPLL 1
>[    4.610316] [drm:check_shared_dpll_state] WRPLL 2
>[    4.610324] [drm:ironlake_get_plane_config] pipe/plane 0/0 with fb: size=720x400@32, offset=0, pitch 2560, size 0xfa000
>[    4.610327] [drm:i915_gem_object_create_stolen_for_preallocated] creating preallocated stolen object: stolen_offset=0, gtt_offset=0, size=fa000
>[    4.610367] [drm:i915_pages_create_for_stolen] offset=0x0, size=1024000
>[    4.610439] [drm:intel_alloc_plane_obj] plane fb obj ffff88030c172a00
>[    4.610443] [drm:i915_gem_setup_global_gtt] reserving preallocated space: 0 + fa000
>[    4.610445] [drm:i915_gem_setup_global_gtt] clearing unused GTT space: [fa000, 7ffff000]
>[    4.612331] [drm:gen6_ppgtt_init] Allocated pde space (2M) at GTT entry: 7fdf0
>[    4.612528] [drm:i915_gem_context_init] HW context support initialized
>[    4.612541] [drm:init_status_page] render ring hws offset: 0x0010b000
>[    4.612633] [drm:intel_init_pipe_control] render ring pipe control offset: 0x0012c000
>[    4.612650] [drm:init_status_page] bsd ring hws offset: 0x0012d000
>[    4.612720] [drm:init_status_page] blitter ring hws offset: 0x0014e000
>[    4.612798] [drm:init_status_page] video enhancement ring hws offset: 0x0016f000
>[    4.620317] [drm:intel_backlight_device_register] Connector eDP-1 backlight sysfs interface registered
>[    4.620411] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:19:eDP-1]
>[    4.620418] [drm:intel_dp_detect] [CONNECTOR:19:eDP-1]
>[    4.620955] [drm:intel_dp_probe_oui] Sink OUI: 001cf8
>[    4.621285] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[    4.621295] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[    4.621311] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:19:eDP-1] probed modes :
>[    4.621314] [drm:drm_mode_debug_printmodeline] Modeline 20:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[    4.621317] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:DP-1]
>[    4.621319] [drm:intel_dp_detect] [CONNECTOR:27:DP-1]
>[    4.621327] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:DP-1] disconnected
>[    4.621330] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:31:HDMI-A-1]
>[    4.621332] [drm:intel_hdmi_detect] [CONNECTOR:31:HDMI-A-1]
>[    4.644085] ACPI: Video Device [VID] (multi-head: yes  rom: no  post: no)
>[    4.644464] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input8
>[    4.644978] [drm] Initialized i915 1.6.0 20141205 for 0000:00:02.0 on minor 0
>[    4.672939] [drm] GMBUS [i915 gmbus dpb] timed out, falling back to bit banging on pin 5
>[    4.686238] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[    4.686243] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:31:HDMI-A-1] disconnected
>[    4.686247] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:34:DP-2]
>[    4.686249] [drm:intel_dp_detect] [CONNECTOR:34:DP-2]
>[    4.686749] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 00 15 01 83 02 00 00 00 00 00 04
>[    4.686754] [drm:intel_dp_get_dpcd] Displayport TPS3 supported
>[    4.687969] [drm:intel_dp_probe_oui] Sink OUI: 000000
>[    4.688337] [drm:intel_dp_probe_oui] Branch OUI: 90cc24
>[    4.688679] [drm:intel_dp_probe_mst] Sink is MST capable
>[    4.690791] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:34:DP-2] disconnected
>[    4.690795] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:38:HDMI-A-2]
>[    4.690797] [drm:intel_hdmi_detect] [CONNECTOR:38:HDMI-A-2]
>[    4.690966] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[    4.690972] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[    4.690977] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:38:HDMI-A-2] disconnected
>[    4.690982] [drm:drm_setup_crtcs] 
>[    4.690985] [drm:drm_enable_connectors] connector 19 enabled? yes
>[    4.690989] [drm:drm_enable_connectors] connector 27 enabled? no
>[    4.690992] [drm:drm_enable_connectors] connector 31 enabled? no
>[    4.690994] [drm:drm_enable_connectors] connector 34 enabled? no
>[    4.690997] [drm:drm_enable_connectors] connector 38 enabled? no
>[    4.691001] [drm:intel_fb_initial_config] looking for cmdline mode on connector eDP-1
>[    4.691005] [drm:intel_fb_initial_config] looking for preferred mode on connector eDP-1
>[    4.691010] [drm:intel_fb_initial_config] connector eDP-1 on pipe A [CRTC:8]: 1920x1080
>[    4.691013] [drm:intel_fb_initial_config] connector DP-1 not enabled, skipping
>[    4.691017] [drm:intel_fb_initial_config] connector HDMI-A-1 not enabled, skipping
>[    4.691020] [drm:intel_fb_initial_config] connector DP-2 not enabled, skipping
>[    4.691024] [drm:intel_fb_initial_config] connector HDMI-A-2 not enabled, skipping
>[    4.691028] [drm:drm_setup_crtcs] desired mode 1920x1080 set on crtc 8
>[    4.691047] [drm:intelfb_create] no BIOS fb, allocating a new one
>[    4.691051] [drm:i915_gem_object_create_stolen] creating stolen object: size=7e9000
>[    4.691058] [drm:i915_pages_create_for_stolen] offset=0xfa000, size=8294400
>[    4.691580] [drm:intelfb_create] allocated 1920x1080 fb: 0x00191000, bo ffff88030c2ce680
>[    4.691994] fbcon: inteldrmfb (fb0) is primary device
>[    4.692226] [drm:intel_crtc_set_config] [CRTC:8] [FB:41] #connectors=1 (x y) (0 0)
>[    4.692228] [drm:intel_set_config_compute_mode_changes] modes are different, full mode set
>[    4.692230] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0x0
>[    4.692233] [drm:drm_mode_debug_printmodeline] Modeline 40:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[    4.692234] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:8], mode_changed=1, fb_changed=1
>[    4.692235] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [CRTC:8]
>[    4.692238] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[    4.692239] [drm:connected_sink_compute_bpp] [CONNECTOR:19:eDP-1] checking for sink bpp constrains
>[    4.692240] [drm:connected_sink_compute_bpp] clamping display bpp (was 24) to EDID reported max of 18
>[    4.692243] [drm:intel_dp_compute_config] DP link computation with max lane count 2 max bw 0a pixel clock 141000KHz
>[    4.692244] [drm:intel_dp_compute_config] DP link bw 0a lane count 2 clock 270000 bpp 18
>[    4.692245] [drm:intel_dp_compute_config] DP link bw required 253800 available 432000
>[    4.692247] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp: 18, dithering: 1
>[    4.692248] [drm:intel_dump_pipe_config] [CRTC:8][modeset] config for pipe A
>[    4.692249] [drm:intel_dump_pipe_config] cpu_transcoder: D
>[    4.692250] [drm:intel_dump_pipe_config] pipe bpp: 18, dithering: 1
>[    4.692251] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[    4.692252] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 4928307, gmch_n: 8388608, link_m: 273794, link_n: 524288, tu: 64
>[    4.692253] [drm:intel_dump_pipe_config] dp: 1, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[    4.692254] [drm:intel_dump_pipe_config] audio: 0, infoframes: 0
>[    4.692255] [drm:intel_dump_pipe_config] requested mode:
>[    4.692257] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[    4.692258] [drm:intel_dump_pipe_config] adjusted mode:
>[    4.692260] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[    4.692261] [drm:intel_dump_crtc_timings] crtc timings: 141000 1920 1936 1952 2104 1080 1083 1097 1116, type: 0x48 flags: 0xa
>[    4.692262] [drm:intel_dump_pipe_config] port clock: 270000
>[    4.692263] [drm:intel_dump_pipe_config] pipe src size: 1920x1080
>[    4.692264] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[    4.692265] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[    4.692266] [drm:intel_dump_pipe_config] ips: 1
>[    4.692267] [drm:intel_dump_pipe_config] double wide: 0
>[    4.692408] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    4.692414] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    4.692470] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    4.693056] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    4.694842] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    4.694844] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    4.695583] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    4.695584] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    4.695595] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    4.696104] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    4.696281] [drm:intel_edp_backlight_off] 
>[    4.697272] [drm:drm_dp_send_link_address] link address reply: 4
>[    4.697274] [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
>[    4.697276] [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
>[    4.697278] [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
>[    4.697280] [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
>[    4.697883] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    4.697884] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    4.782951] usb 1-1: new high-speed USB device number 2 using ehci-pci
>[    4.823178] usb 3-3: new SuperSpeed USB device number 2 using xhci_hcd
>[    4.838393] usb 3-3: New USB device found, idVendor=17ef, idProduct=1012
>[    4.838395] usb 3-3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
>[    4.838396] usb 3-3: Product: Lenovo ThinkPad Dock   
>[    4.838397] usb 3-3: Manufacturer: LENOVO                 
>[    4.839660] hub 3-3:1.0: USB hub found
>[    4.839894] hub 3-3:1.0: 4 ports detected
>[    4.849549] usb 2-3: new high-speed USB device number 2 using xhci_hcd
>[    4.899541] [drm:intel_panel_actually_set_backlight] set backlight PWM = 0
>[    4.906509] usb 1-1: New USB device found, idVendor=8087, idProduct=8000
>[    4.906512] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
>[    4.906558] [drm:edp_panel_off] Turn eDP port A panel power off
>[    4.906563] [drm:wait_panel_off] Wait for panel power off time
>[    4.906567] [drm:wait_panel_status] mask b0000000 value 00000000 status 80000008 control abcd0000
>[    4.907488] hub 1-1:1.0: USB hub found
>[    4.907683] hub 1-1:1.0: 8 ports detected
>[    4.959517] [drm:wait_panel_status] Wait complete
>[    4.959538] [drm:intel_update_fbc] no output, disabling
>[    4.959541] [drm:intel_disable_shared_dpll] disable WRPLL 1 (active 1, on? 1) for crtc 8
>[    4.959543] [drm:intel_disable_shared_dpll] disabling WRPLL 1
>[    4.959556] [drm:intel_display_power_put] disabling display
>[    4.959563] [drm:hsw_set_power_well] Requesting to disable the power well
>[    4.959621] [drm:edp_panel_on] Turn eDP port A panel power on
>[    4.959624] [drm:wait_panel_power_cycle] Wait for panel power cycle
>[    5.025359] usb 2-3: New USB device found, idVendor=17ef, idProduct=1012
>[    5.025361] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
>[    5.025362] usb 2-3: Product: Lenovo ThinkPad Dock   
>[    5.025363] usb 2-3: Manufacturer: LENOVO                 
>[    5.026209] hub 2-3:1.0: USB hub found
>[    5.026484] hub 2-3:1.0: 4 ports detected
>[    5.176192] usb 1-1.5: new full-speed USB device number 3 using ehci-pci
>[    5.192812] usb 2-4: new high-speed USB device number 3 using xhci_hcd
>[    5.261092] usb 1-1.5: No LPM exit latency info found, disabling LPM.
>[    5.270406] usb 1-1.5: New USB device found, idVendor=058f, idProduct=9540
>[    5.270408] usb 1-1.5: New USB device strings: Mfr=1, Product=2, SerialNumber=0
>[    5.270409] usb 1-1.5: Product: EMV Smartcard Reader
>[    5.270410] usb 1-1.5: Manufacturer: Generic
>[    5.364553] psmouse serio1: synaptics: Touchpad model: 1, fw: 8.1, id: 0x1e2b1, caps: 0xd001a3/0x940300/0x12e800, board id: 2962, fw id: 2560
>[    5.364559] psmouse serio1: synaptics: serio: Synaptics pass-through port at isa0060/serio1/input0
>[    5.373721] usb 2-4: New USB device found, idVendor=1199, idProduct=a001
>[    5.373723] usb 2-4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
>[    5.373725] usb 2-4: Product: Sierra Wireless EM7345 4G LTE
>[    5.373726] usb 2-4: Manufacturer: Sierra Wireless Inc.
>[    5.373727] usb 2-4: SerialNumber: 013937002544342
>[    5.406175] input: SynPS/2 Synaptics TouchPad as /devices/platform/i8042/serio1/input/input7
>[    5.446341] usb 2-3.4: new high-speed USB device number 4 using xhci_hcd
>[    5.509327] [drm:wait_panel_status] mask b800000f value 00000000 status 00000000 control abcd0000
>[    5.509329] [drm:wait_panel_status] Wait complete
>[    5.509334] [drm:wait_panel_on] Wait for panel power on
>[    5.509338] [drm:wait_panel_status] mask b000000f value 80000008 status 0000000a control abcd0003
>[    5.539735] usb 2-3.4: New USB device found, idVendor=17ef, idProduct=1011
>[    5.539737] usb 2-3.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
>[    5.539738] usb 2-3.4: Product: Lenovo ThinkPad Dock
>[    5.539739] usb 2-3.4: Manufacturer: Lenovo
>[    5.539740] usb 2-3.4: SerialNumber: Rev1.2
>[    5.540584] hub 2-3.4:1.0: USB hub found
>[    5.540615] hub 2-3.4:1.0: 3 ports detected
>[    5.699293] usb 2-7: new full-speed USB device number 5 using xhci_hcd
>[    5.722581] [drm:wait_panel_status] Wait complete
>[    5.722605] [drm:edp_panel_vdd_on] Turning eDP port A VDD on
>[    5.722614] [drm:edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd000b
>[    5.723792] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[    5.724428] [drm:intel_dp_start_link_train] clock recovery OK
>[    5.725364] [drm:intel_dp_complete_link_train] Channel EQ done. DP Training successful
>[    5.725674] [drm:intel_edp_backlight_on] 
>[    5.725675] [drm:intel_panel_enable_backlight] pipe A
>[    5.725680] [drm:intel_panel_actually_set_backlight] set backlight PWM = 851
>[    5.729232] [drm:intel_psr_match_conditions] PSR disable by flag
>[    5.735922] [drm:ironlake_update_primary_plane] Writing base 00191000 00000000 0 0 7680
>[    5.759229] [drm:intel_update_fbc] disabled per chip default
>[    5.759244] [drm:intel_connector_check_state] [CONNECTOR:19:eDP-1]
>[    5.759255] [drm:check_encoder_state] [ENCODER:18:TMDS-18]
>[    5.759258] [drm:check_encoder_state] [ENCODER:26:TMDS-26]
>[    5.759260] [drm:check_encoder_state] [ENCODER:28:DP MST-28]
>[    5.759261] [drm:check_encoder_state] [ENCODER:29:DP MST-29]
>[    5.759262] [drm:check_encoder_state] [ENCODER:30:DP MST-30]
>[    5.759263] [drm:check_encoder_state] [ENCODER:33:TMDS-33]
>[    5.759265] [drm:check_encoder_state] [ENCODER:35:DP MST-35]
>[    5.759266] [drm:check_encoder_state] [ENCODER:36:DP MST-36]
>[    5.759266] [drm:check_encoder_state] [ENCODER:37:DP MST-37]
>[    5.759267] [drm:check_crtc_state] [CRTC:8]
>[    5.759286] [drm:check_crtc_state] [CRTC:12]
>[    5.759287] [drm:check_crtc_state] [CRTC:16]
>[    5.759289] [drm:check_shared_dpll_state] WRPLL 1
>[    5.759291] [drm:check_shared_dpll_state] WRPLL 2
>[    5.759404] [drm:intel_crtc_set_config] [CRTC:12] [NOFB]
>[    5.759407] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:12], mode_changed=0, fb_changed=0
>[    5.759408] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [CRTC:8]
>[    5.759410] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 0, prepare: 0, disable: 0
>[    5.759413] [drm:intel_crtc_set_config] [CRTC:16] [NOFB]
>[    5.759414] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:16], mode_changed=0, fb_changed=0
>[    5.759415] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [CRTC:8]
>[    5.759417] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 0, prepare: 0, disable: 0
>[    5.759603] Console: switching to colour frame buffer device 240x67
>[    5.759616] [drm:intel_crtc_set_config] [CRTC:8] [FB:41] #connectors=1 (x y) (0 0)
>[    5.759618] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:8], mode_changed=0, fb_changed=0
>[    5.759620] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [CRTC:8]
>[    5.759621] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[    5.759623] [drm:connected_sink_compute_bpp] [CONNECTOR:19:eDP-1] checking for sink bpp constrains
>[    5.759623] [drm:connected_sink_compute_bpp] clamping display bpp (was 24) to EDID reported max of 18
>[    5.759626] [drm:intel_dp_compute_config] DP link computation with max lane count 2 max bw 0a pixel clock 141000KHz
>[    5.759627] [drm:intel_dp_compute_config] DP link bw 0a lane count 2 clock 270000 bpp 18
>[    5.759628] [drm:intel_dp_compute_config] DP link bw required 253800 available 432000
>[    5.759630] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp: 18, dithering: 1
>[    5.759632] [drm:intel_dump_pipe_config] [CRTC:8][modeset] config for pipe A
>[    5.759632] [drm:intel_dump_pipe_config] cpu_transcoder: D
>[    5.759633] [drm:intel_dump_pipe_config] pipe bpp: 18, dithering: 1
>[    5.759634] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[    5.759636] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 4928307, gmch_n: 8388608, link_m: 273794, link_n: 524288, tu: 64
>[    5.759637] [drm:intel_dump_pipe_config] dp: 1, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[    5.759638] [drm:intel_dump_pipe_config] audio: 0, infoframes: 0
>[    5.759638] [drm:intel_dump_pipe_config] requested mode:
>[    5.759641] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[    5.759641] [drm:intel_dump_pipe_config] adjusted mode:
>[    5.759643] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[    5.759645] [drm:intel_dump_crtc_timings] crtc timings: 141000 1920 1936 1952 2104 1080 1083 1097 1116, type: 0x48 flags: 0xa
>[    5.759645] [drm:intel_dump_pipe_config] port clock: 270000
>[    5.759646] [drm:intel_dump_pipe_config] pipe src size: 1920x1080
>[    5.759647] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[    5.759648] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[    5.759649] [drm:intel_dump_pipe_config] ips: 1
>[    5.759650] [drm:intel_dump_pipe_config] double wide: 0
>[    5.874324] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
>[    5.875180] i915 0000:00:02.0: registered panic notifier
>[    5.878400] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    5.880004] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    5.881598] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    5.882966] usb 2-7: New USB device found, idVendor=8087, idProduct=07dc
>[    5.883029] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    5.884103] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    5.884104] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    5.886171] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    5.886172] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    5.886192] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    5.886684] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    5.887053] [drm:drm_dp_send_enum_path_resources] enum path resources 2: 2560 2560
>[    5.887723] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    5.887724] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    5.894938] usb 2-7: New USB device strings: Mfr=0, Product=0, SerialNumber=0
>[    5.896388] [drm:intel_display_power_get] enabling display
>[    5.897308] [drm:hsw_set_power_well] Enabling power well
>[    5.898403] snd_hda_intel 0000:00:03.0: irq 44 for MSI/MSI-X
>[    5.901305] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    5.903040] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    5.905057] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    5.907321] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    5.910087] [drm:intel_dp_check_mst_status] got esi2 02 10 00
>[    5.910560] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    5.910561] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    5.913363] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    5.915110] [drm:drm_dp_send_link_address] link address reply: 3
>[    5.916943] [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
>[    5.918780] [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
>[    5.920587] [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
>[    5.920592] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    5.920593] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    5.920597] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    5.924142] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    5.934341] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    5.935753] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    5.937003] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    5.938635] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    5.939355] [drm:intel_backlight_device_update_status] updating intel_backlight, brightness=851/851
>[    5.939359] [drm:intel_panel_actually_set_backlight] set backlight PWM = 851
>[    5.942896] [drm:drm_dp_send_enum_path_resources] enum path resources 8: 2560 2560
>[    5.945049] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    5.945409] [drm:drm_fb_helper_hotplug_event] 
>[    5.945411] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:19:eDP-1]
>[    5.945413] [drm:intel_dp_detect] [CONNECTOR:19:eDP-1]
>[    5.946110] [drm:intel_dp_probe_oui] Sink OUI: 001cf8
>[    5.946482] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[    5.946495] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[    5.946498] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:19:eDP-1] probed modes :
>[    5.946501] [drm:drm_mode_debug_printmodeline] Modeline 20:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[    5.946502] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:DP-1]
>[    5.946503] [drm:intel_dp_detect] [CONNECTOR:27:DP-1]
>[    5.946510] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:DP-1] disconnected
>[    5.946511] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:31:HDMI-A-1]
>[    5.946512] [drm:intel_hdmi_detect] [CONNECTOR:31:HDMI-A-1]
>[    5.959094] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[    5.959096] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:31:HDMI-A-1] disconnected
>[    5.959098] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:34:DP-2]
>[    5.959099] [drm:intel_dp_detect] [CONNECTOR:34:DP-2]
>[    5.959099] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:34:DP-2] disconnected
>[    5.959100] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:38:HDMI-A-2]
>[    5.959100] [drm:intel_hdmi_detect] [CONNECTOR:38:HDMI-A-2]
>[    5.959294] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[    5.959295] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[    5.959296] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:38:HDMI-A-2] disconnected
>[    5.959297] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:39:DP-3]
>[    5.959302] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:39:DP-3] disconnected
>[    5.959303] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:43:DP-4]
>[    5.970800] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    5.970802] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    5.975052] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    5.975928] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    5.977324] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    5.979201] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    5.980174] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.007517] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.008838] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.009867] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.011285] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.013868] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.014657] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.014659] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.016366] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.017199] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.018494] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.021106] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.021907] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.021909] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.023605] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.024412] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.025729] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.028283] [drm:intel_dp_check_mst_status] got esi2 02 10 00
>[    6.028588] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.028589] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.030787] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.032624] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.033460] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.034270] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.036483] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.055830] usb 2-8: new high-speed USB device number 6 using xhci_hcd
>[    6.062701] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.063968] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.065057] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.066464] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.068981] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.069780] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.069802] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.069804] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.072148] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.073431] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.075918] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.076670] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.076717] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.076718] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.078970] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.080230] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.082698] [drm:intel_dp_check_mst_status] got esi2 02 10 00
>[    6.083008] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.083010] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.084844] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.085996] [drm:drm_edid_to_eld] ELD monitor DELL U2413
>[    6.087359] [drm:drm_edid_to_eld] ELD size 36, SAD count 1
>[    6.088735] [drm:drm_mode_debug_printmodeline] Modeline 48:"1920x1200" 60 154000 1920 1968 2000 2080 1200 1203 1209 1235 0x48 0x9
>[    6.090116] [drm:drm_mode_prune_invalid] Not using 1920x1200 mode 12
>[    6.090127] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.090128] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.090143] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.092868] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.094946] [drm:drm_mode_debug_printmodeline] Modeline 50:"1920x1080i" 60 74250 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[    6.095680] [drm:drm_mode_prune_invalid] Not using 1920x1080i mode 7
>[    6.096409] [drm:drm_mode_debug_printmodeline] Modeline 54:"1600x1200" 0 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x40 0x5
>[    6.097128] [drm:drm_mode_prune_invalid] Not using 1600x1200 mode 12
>[    6.097851] [drm:drm_mode_debug_printmodeline] Modeline 69:"720x480i" 0 13500 720 739 801 858 480 488 494 525 0x40 0x101a
>[    6.098599] [drm:drm_mode_prune_invalid] Not using 720x480i mode 7
>[    6.099385] [drm:drm_mode_debug_printmodeline] Modeline 70:"720x576i" 0 13500 720 732 795 864 576 580 586 625 0x40 0x101a
>[    6.100188] [drm:drm_mode_prune_invalid] Not using 720x576i mode 7
>[    6.100952] [drm:drm_mode_debug_printmodeline] Modeline 75:"1920x1080i" 0 74250 1920 2448 2492 2640 1080 1084 1094 1125 0x40 0x15
>[    6.101743] [drm:drm_mode_prune_invalid] Not using 1920x1080i mode 7
>[    6.102575] [drm:drm_mode_debug_printmodeline] Modeline 81:"1920x1080i" 60 74176 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[    6.103407] [drm:drm_mode_prune_invalid] Not using 1920x1080i mode 7
>[    6.104230] [drm:drm_mode_debug_printmodeline] Modeline 90:"720x480i" 60 13513 720 739 801 858 480 488 494 525 0x40 0x101a
>[    6.105108] [drm:drm_mode_prune_invalid] Not using 720x480i mode 7
>[    6.105987] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:43:DP-4] probed modes :
>[    6.106859] [drm:drm_mode_debug_printmodeline] Modeline 49:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[    6.107797] [drm:drm_mode_debug_printmodeline] Modeline 80:"1920x1080" 60 148352 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[    6.108702] [drm:drm_mode_debug_printmodeline] Modeline 72:"1920x1080" 50 148500 1920 2448 2492 2640 1080 1084 1089 1125 0x40 0x5
>[    6.109599] [drm:drm_mode_debug_printmodeline] Modeline 76:"1920x1080" 24 74250 1920 2558 2602 2750 1080 1084 1089 1125 0x40 0x5
>[    6.110494] [drm:drm_mode_debug_printmodeline] Modeline 92:"1920x1080" 24 74176 1920 2558 2602 2750 1080 1084 1089 1125 0x40 0x5
>[    6.111385] [drm:drm_mode_debug_printmodeline] Modeline 60:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[    6.112245] [drm:drm_mode_debug_printmodeline] Modeline 53:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[    6.113165] [drm:drm_mode_debug_printmodeline] Modeline 55:"1152x864" 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
>[    6.114054] [drm:drm_mode_debug_printmodeline] Modeline 51:"1280x720" 60 74250 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[    6.114927] [drm:drm_mode_debug_printmodeline] Modeline 82:"1280x720" 60 74176 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[    6.115819] [drm:drm_mode_debug_printmodeline] Modeline 74:"1280x720" 50 74250 1280 1720 1760 1980 720 725 730 750 0x40 0x5
>[    6.116696] [drm:drm_mode_debug_printmodeline] Modeline 61:"1024x768" 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[    6.117544] [drm:drm_mode_debug_printmodeline] Modeline 62:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[    6.118387] [drm:drm_mode_debug_printmodeline] Modeline 63:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[    6.119302] [drm:drm_mode_debug_printmodeline] Modeline 56:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[    6.120183] [drm:drm_mode_debug_printmodeline] Modeline 73:"720x576" 50 27000 720 732 796 864 576 581 586 625 0x40 0xa
>[    6.121029] [drm:drm_mode_debug_printmodeline] Modeline 83:"720x480" 60 27027 720 736 798 858 480 489 495 525 0x40 0xa
>[    6.121901] [drm:drm_mode_debug_printmodeline] Modeline 52:"720x480" 60 27000 720 736 798 858 480 489 495 525 0x40 0xa
>[    6.122763] [drm:drm_mode_debug_printmodeline] Modeline 57:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[    6.123631] [drm:drm_mode_debug_printmodeline] Modeline 58:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[    6.124505] [drm:drm_mode_debug_printmodeline] Modeline 71:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[    6.125338] [drm:drm_mode_debug_printmodeline] Modeline 59:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[    6.126216] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:45:DP-5]
>[    6.127072] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:45:DP-5] disconnected
>[    6.127899] [drm:drm_setup_crtcs] 
>[    6.128710] [drm:drm_enable_connectors] connector 19 enabled? yes
>[    6.129576] [drm:drm_enable_connectors] connector 27 enabled? no
>[    6.130417] [drm:drm_enable_connectors] connector 31 enabled? no
>[    6.131229] [drm:drm_enable_connectors] connector 34 enabled? no
>[    6.132040] [drm:drm_enable_connectors] connector 38 enabled? no
>[    6.132898] [drm:drm_enable_connectors] connector 39 enabled? no
>[    6.133715] [drm:drm_enable_connectors] connector 43 enabled? yes
>[    6.134497] [drm:drm_enable_connectors] connector 45 enabled? no
>[    6.135298] [drm:intel_fb_initial_config] looking for cmdline mode on connector eDP-1
>[    6.136117] [drm:intel_fb_initial_config] looking for preferred mode on connector eDP-1
>[    6.136945] [drm:intel_fb_initial_config] connector eDP-1 on pipe A [CRTC:8]: 1920x1080
>[    6.137736] [drm:intel_fb_initial_config] connector DP-1 not enabled, skipping
>[    6.138521] [drm:intel_fb_initial_config] connector HDMI-A-1 not enabled, skipping
>[    6.139344] [drm:intel_fb_initial_config] connector DP-2 not enabled, skipping
>[    6.140163] [drm:intel_fb_initial_config] connector HDMI-A-2 not enabled, skipping
>[    6.140952] [drm:intel_fb_initial_config] connector DP-3 not enabled, skipping
>[    6.141736] [drm:intel_fb_initial_config] connector DP-4 has no encoder or crtc, skipping
>[    6.142547] [drm:intel_fb_initial_config] connector DP-5 not enabled, skipping
>[    6.143353] [drm:intel_fb_initial_config] fallback: Not all outputs enabled
>[    6.144129] [drm:intel_fb_initial_config] Enabled: 1, detected: 2
>[    6.144937] [drm:intel_fb_initial_config] Not using firmware configuration
>[    6.145726] [drm:drm_target_preferred] looking for cmdline mode on connector 19
>[    6.146511] [drm:drm_target_preferred] looking for preferred mode on connector 19
>[    6.147261] [drm:drm_target_preferred] found mode 1920x1080
>[    6.148045] [drm:drm_target_preferred] looking for cmdline mode on connector 43
>[    6.148803] [drm:drm_target_preferred] looking for preferred mode on connector 43
>[    6.149589] [drm:drm_target_preferred] found mode 1920x1080
>[    6.150360] [drm:drm_setup_crtcs] picking CRTCs for 8192x8192 config
>[    6.151128] [drm:drm_setup_crtcs] desired mode 1920x1080 set on crtc 8
>[    6.151846] [drm:drm_setup_crtcs] desired mode 1920x1080 set on crtc 12
>[    6.152594] [drm:intel_crtc_set_config] [CRTC:8] [FB:41] #connectors=1 (x y) (0 0)
>[    6.153342] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:8], mode_changed=0, fb_changed=0
>[    6.154045] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [CRTC:8]
>[    6.154742] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[    6.155439] [drm:connected_sink_compute_bpp] [CONNECTOR:19:eDP-1] checking for sink bpp constrains
>[    6.156191] [drm:connected_sink_compute_bpp] clamping display bpp (was 24) to EDID reported max of 18
>[    6.156909] [drm:intel_dp_compute_config] DP link computation with max lane count 2 max bw 0a pixel clock 141000KHz
>[    6.157597] [drm:intel_dp_compute_config] DP link bw 0a lane count 2 clock 270000 bpp 18
>[    6.158271] [drm:intel_dp_compute_config] DP link bw required 253800 available 432000
>[    6.158966] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp: 18, dithering: 1
>[    6.159652] [drm:intel_dump_pipe_config] [CRTC:8][modeset] config for pipe A
>[    6.160335] [drm:intel_dump_pipe_config] cpu_transcoder: D
>[    6.160966] [drm:intel_dump_pipe_config] pipe bpp: 18, dithering: 1
>[    6.161635] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[    6.162292] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 4928307, gmch_n: 8388608, link_m: 273794, link_n: 524288, tu: 64
>[    6.162984] [drm:intel_dump_pipe_config] dp: 1, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[    6.163688] [drm:intel_dump_pipe_config] audio: 0, infoframes: 0
>[    6.164381] [drm:intel_dump_pipe_config] requested mode:
>[    6.165044] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[    6.165762] [drm:intel_dump_pipe_config] adjusted mode:
>[    6.166474] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[    6.167223] [drm:intel_dump_crtc_timings] crtc timings: 141000 1920 1936 1952 2104 1080 1083 1097 1116, type: 0x48 flags: 0xa
>[    6.167958] [drm:intel_dump_pipe_config] port clock: 270000
>[    6.168689] [drm:intel_dump_pipe_config] pipe src size: 1920x1080
>[    6.169452] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[    6.170267] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[    6.171020] [drm:intel_dump_pipe_config] ips: 1
>[    6.171761] [drm:intel_dump_pipe_config] double wide: 0
>[    6.172564] [drm:intel_crtc_set_config] [CRTC:12] [FB:41] #connectors=1 (x y) (0 0)
>[    6.173354] [drm:intel_set_config_compute_mode_changes] inactive crtc, full mode set
>[    6.174119] [drm:intel_set_config_compute_mode_changes] modes are different, full mode set
>[    6.174888] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0x0
>[    6.175726] [drm:drm_mode_debug_printmodeline] Modeline 48:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[    6.176555] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:12], mode_changed=1, fb_changed=0
>[    6.177353] [drm:intel_modeset_stage_output_state] encoder changed, full mode switch
>[    6.178161] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [CRTC:8]
>[    6.178963] [drm:intel_modeset_stage_output_state] [CONNECTOR:43:DP-4] to [CRTC:12]
>[    6.179789] [drm:intel_modeset_stage_output_state] crtc changed, full mode switch
>[    6.180623] [drm:intel_modeset_stage_output_state] crtc enabled, full mode switch
>[    6.181422] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 2, prepare: 2, disable: 0
>[    6.182242] [drm:connected_sink_compute_bpp] [CONNECTOR:43:DP-4] checking for sink bpp constrains
>[    6.183108] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp: 24, dithering: 0
>[    6.183986] [drm:intel_dump_pipe_config] [CRTC:12][modeset] config for pipe B
>[    6.184878] [drm:intel_dump_pipe_config] cpu_transcoder: B
>[    6.185765] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0
>[    6.186678] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[    6.187546] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 1730150, gmch_n: 8388608, link_m: 288358, link_n: 1048576, tu: 14
>[    6.188423] [drm:intel_dump_pipe_config] dp: 1, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[    6.189334] [drm:intel_dump_pipe_config] audio: 0, infoframes: 0
>[    6.190252] [drm:intel_dump_pipe_config] requested mode:
>[    6.191127] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[    6.192032] [drm:intel_dump_pipe_config] adjusted mode:
>[    6.192978] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[    6.193945] [drm:intel_dump_crtc_timings] crtc timings: 148500 1920 2008 2052 2200 1080 1084 1089 1125, type: 0x40 flags: 0x5
>[    6.194896] [drm:intel_dump_pipe_config] port clock: 540000
>[    6.195903] [drm:intel_dump_pipe_config] pipe src size: 1920x1080
>[    6.196878] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[    6.197845] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[    6.198840] [drm:intel_dump_pipe_config] ips: 0
>[    6.199829] [drm:intel_dump_pipe_config] double wide: 0
>[    6.200899] [drm:intel_mst_pre_enable_dp] 0
>[    6.209954] [drm:drm_dp_dpcd_access] too many retries, giving up
>[    6.211606] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[    6.229610] [drm:intel_dp_start_link_train] clock recovery OK
>[    6.252347] [drm:intel_dp_complete_link_train] Channel EQ done. DP Training successful
>[    6.254167] [drm:drm_dp_mst_allocate_vcpi] initing vcpi for 532 14
>[    6.255948] [drm:intel_mst_enable_dp] 1
>[    6.257107] [drm:drm_dp_update_payload_part2] payload 0 1
>[    6.277587] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.279064] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.280189] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.281846] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.283894] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.284891] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.299888] usb 2-8: New USB device found, idVendor=04ca, idProduct=7035
>[    6.301257] usb 2-8: New USB device strings: Mfr=1, Product=2, SerialNumber=0
>[    6.302179] usb 2-8: Product: Integrated Camera
>[    6.303129] usb 2-8: Manufacturer: J30E8KAGD
>[    6.308283] [drm:ironlake_update_primary_plane] Writing base 00191000 00000000 0 0 7680
>[    6.309733] [drm:intel_update_fbc] more than one pipe active, disabling compression
>[    6.310813] [drm:intel_connector_check_state] [CONNECTOR:19:eDP-1]
>[    6.311747] [drm:intel_connector_check_state] [CONNECTOR:43:DP-4]
>[    6.312707] [drm:check_encoder_state] [ENCODER:18:TMDS-18]
>[    6.313679] [drm:check_encoder_state] [ENCODER:26:TMDS-26]
>[    6.314583] [drm:check_encoder_state] [ENCODER:28:DP MST-28]
>[    6.315466] [drm:check_encoder_state] [ENCODER:29:DP MST-29]
>[    6.316393] [drm:check_encoder_state] [ENCODER:30:DP MST-30]
>[    6.317266] [drm:check_encoder_state] [ENCODER:33:TMDS-33]
>[    6.318090] [drm:check_encoder_state] [ENCODER:35:DP MST-35]
>[    6.318896] [drm:check_encoder_state] [ENCODER:36:DP MST-36]
>[    6.319761] [drm:check_encoder_state] [ENCODER:37:DP MST-37]
>[    6.320579] [drm:check_crtc_state] [CRTC:8]
>[    6.321366] [drm:check_crtc_state] [CRTC:12]
>[    6.322162] [drm:check_crtc_state] [CRTC:16]
>[    6.322974] [drm:check_shared_dpll_state] WRPLL 1
>[    6.323754] [drm:check_shared_dpll_state] WRPLL 2
>[    6.324503] [drm:intel_crtc_set_config] [CRTC:16] [NOFB]
>[    6.325292] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:16], mode_changed=0, fb_changed=0
>[    6.326088] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [CRTC:8]
>[    6.326884] [drm:intel_modeset_stage_output_state] [CONNECTOR:43:DP-4] to [CRTC:12]
>[    6.327631] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 0, prepare: 0, disable: 0
>[    6.329712] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.330516] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.331293] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.332650] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.333830] [drm:drm_dp_send_enum_path_resources] enum path resources 3: 765 765
>[    6.335703] [drm:drm_fb_helper_hotplug_event] 
>[    6.337208] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:19:eDP-1]
>[    6.337215] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.337217] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.340260] [drm:intel_dp_detect] [CONNECTOR:19:eDP-1]
>[    6.341432] [drm:intel_dp_probe_oui] Sink OUI: 001cf8
>[    6.342516] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[    6.343298] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[    6.344022] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:19:eDP-1] probed modes :
>[    6.344758] [drm:drm_mode_debug_printmodeline] Modeline 20:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[    6.345515] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:DP-1]
>[    6.346334] [drm:intel_dp_detect] [CONNECTOR:27:DP-1]
>[    6.347095] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:DP-1] disconnected
>[    6.347835] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:31:HDMI-A-1]
>[    6.348553] [drm:intel_hdmi_detect] [CONNECTOR:31:HDMI-A-1]
>[    6.362288] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[    6.363024] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:31:HDMI-A-1] disconnected
>[    6.363787] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:34:DP-2]
>[    6.364504] [drm:intel_dp_detect] [CONNECTOR:34:DP-2]
>[    6.365217] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:34:DP-2] disconnected
>[    6.365984] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:38:HDMI-A-2]
>[    6.366789] [drm:intel_hdmi_detect] [CONNECTOR:38:HDMI-A-2]
>[    6.367715] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[    6.368452] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[    6.369272] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:38:HDMI-A-2] disconnected
>[    6.370059] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:39:DP-3]
>[    6.370799] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:39:DP-3] disconnected
>[    6.371553] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:43:DP-4]
>[    6.372455] [drm:intel_print_rc6_info] Enabling RC6 states: RC6 on
>[    6.378968] [drm:gen6_enable_rps] Overclocking supported. Max: 1100MHz, Overclock max: 1100MHz
>[    6.384605] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.385800] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.386807] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.388078] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.389880] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.390785] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.418526] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.419714] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.420661] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.421936] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.424449] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.425176] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.425261] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.425262] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.427484] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.428708] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.431239] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.431995] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.432058] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.432059] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.434363] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.435667] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.438200] [drm:intel_dp_check_mst_status] got esi2 02 10 00
>[    6.438505] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.438506] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.440698] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.442585] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.443390] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.444234] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.446252] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.473287] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.474493] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.475486] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.476828] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.479356] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.480122] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.480153] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.480154] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.482449] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.483769] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.486309] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.487056] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.487113] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.487114] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.489365] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.490653] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.493143] [drm:intel_dp_check_mst_status] got esi2 02 10 00
>[    6.493445] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.493446] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.495280] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.496470] [drm:drm_edid_to_eld] ELD monitor DELL U2413
>[    6.497813] [drm:drm_edid_to_eld] ELD size 36, SAD count 1
>[    6.499193] [drm:drm_mode_debug_printmodeline] Modeline 66:"1920x1200" 60 154000 1920 1968 2000 2080 1200 1203 1209 1235 0x48 0x9
>[    6.500552] [drm:drm_mode_prune_invalid] Not using 1920x1200 mode 12
>[    6.500563] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.500564] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.500567] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.503278] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.505333] [drm:drm_mode_debug_printmodeline] Modeline 68:"1920x1080i" 60 74250 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[    6.506064] [drm:drm_mode_prune_invalid] Not using 1920x1080i mode 7
>[    6.506796] [drm:drm_mode_debug_printmodeline] Modeline 77:"1600x1200" 0 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x40 0x5
>[    6.507502] [drm:drm_mode_prune_invalid] Not using 1600x1200 mode 12
>[    6.508211] [drm:drm_mode_debug_printmodeline] Modeline 96:"720x480i" 0 13500 720 739 801 858 480 488 494 525 0x40 0x101a
>[    6.508993] [drm:drm_mode_prune_invalid] Not using 720x480i mode 7
>[    6.509756] [drm:drm_mode_debug_printmodeline] Modeline 97:"720x576i" 0 13500 720 732 795 864 576 580 586 625 0x40 0x101a
>[    6.510511] [drm:drm_mode_prune_invalid] Not using 720x576i mode 7
>[    6.511257] [drm:drm_mode_debug_printmodeline] Modeline 102:"1920x1080i" 0 74250 1920 2448 2492 2640 1080 1084 1094 1125 0x40 0x15
>[    6.512054] [drm:drm_mode_prune_invalid] Not using 1920x1080i mode 7
>[    6.512860] [drm:drm_mode_debug_printmodeline] Modeline 108:"1920x1080i" 60 74176 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[    6.513670] [drm:drm_mode_prune_invalid] Not using 1920x1080i mode 7
>[    6.514454] [drm:drm_mode_debug_printmodeline] Modeline 117:"720x480i" 60 13513 720 739 801 858 480 488 494 525 0x40 0x101a
>[    6.515301] [drm:drm_mode_prune_invalid] Not using 720x480i mode 7
>[    6.516164] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:43:DP-4] probed modes :
>[    6.517016] [drm:drm_mode_debug_printmodeline] Modeline 49:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[    6.517888] [drm:drm_mode_debug_printmodeline] Modeline 80:"1920x1080" 60 148352 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[    6.518728] [drm:drm_mode_debug_printmodeline] Modeline 72:"1920x1080" 50 148500 1920 2448 2492 2640 1080 1084 1089 1125 0x40 0x5
>[    6.519595] [drm:drm_mode_debug_printmodeline] Modeline 76:"1920x1080" 24 74250 1920 2558 2602 2750 1080 1084 1089 1125 0x40 0x5
>[    6.520473] [drm:drm_mode_debug_printmodeline] Modeline 92:"1920x1080" 24 74176 1920 2558 2602 2750 1080 1084 1089 1125 0x40 0x5
>[    6.521321] [drm:drm_mode_debug_printmodeline] Modeline 60:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[    6.522166] [drm:drm_mode_debug_printmodeline] Modeline 53:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[    6.523035] [drm:drm_mode_debug_printmodeline] Modeline 55:"1152x864" 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
>[    6.523914] [drm:drm_mode_debug_printmodeline] Modeline 51:"1280x720" 60 74250 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[    6.524763] [drm:drm_mode_debug_printmodeline] Modeline 82:"1280x720" 60 74176 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[    6.525641] [drm:drm_mode_debug_printmodeline] Modeline 74:"1280x720" 50 74250 1280 1720 1760 1980 720 725 730 750 0x40 0x5
>[    6.526523] [drm:drm_mode_debug_printmodeline] Modeline 61:"1024x768" 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[    6.527398] [drm:drm_mode_debug_printmodeline] Modeline 62:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[    6.528232] [drm:drm_mode_debug_printmodeline] Modeline 63:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[    6.529105] [drm:drm_mode_debug_printmodeline] Modeline 56:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[    6.530012] [drm:drm_mode_debug_printmodeline] Modeline 73:"720x576" 50 27000 720 732 796 864 576 581 586 625 0x40 0xa
>[    6.530857] [drm:drm_mode_debug_printmodeline] Modeline 83:"720x480" 60 27027 720 736 798 858 480 489 495 525 0x40 0xa
>[    6.531691] [drm:drm_mode_debug_printmodeline] Modeline 52:"720x480" 60 27000 720 736 798 858 480 489 495 525 0x40 0xa
>[    6.532583] [drm:drm_mode_debug_printmodeline] Modeline 57:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[    6.533440] [drm:drm_mode_debug_printmodeline] Modeline 58:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[    6.534266] [drm:drm_mode_debug_printmodeline] Modeline 71:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[    6.535122] [drm:drm_mode_debug_printmodeline] Modeline 59:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[    6.535975] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:45:DP-5]
>[    6.536835] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:45:DP-5] disconnected
>[    6.537670] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:50:DP-6]
>[    6.538499] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:50:DP-6] disconnected
>[    6.539337] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:64:DP-7]
>[    6.541525] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.542793] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.543851] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.545179] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.547120] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.547936] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.550522] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.551732] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.552599] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.553975] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.556594] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.557401] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.557402] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.559129] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.559948] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.561273] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.563848] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.564651] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.564652] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.566382] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.567180] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.568480] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.570439] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[    6.572005] [drm:drm_mode_debug_printmodeline] Modeline 67:"1920x1200" 60 154000 1920 1968 2000 2080 1200 1203 1209 1235 0x48 0x9
>[    6.573622] [drm:drm_mode_prune_invalid] Not using 1920x1200 mode 12
>[    6.575210] [drm:drm_mode_debug_printmodeline] Modeline 69:"1600x1200" 0 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x40 0x5
>[    6.575215] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.575217] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.577711] [drm:drm_mode_prune_invalid] Not using 1600x1200 mode 12
>[    6.578529] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:64:DP-7] probed modes :
>[    6.579349] [drm:drm_mode_debug_printmodeline] Modeline 81:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[    6.580178] [drm:drm_mode_debug_printmodeline] Modeline 68:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[    6.580983] [drm:drm_mode_debug_printmodeline] Modeline 70:"1152x864" 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
>[    6.581768] [drm:drm_mode_debug_printmodeline] Modeline 84:"1024x768" 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[    6.582565] [drm:drm_mode_debug_printmodeline] Modeline 85:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[    6.583348] [drm:drm_mode_debug_printmodeline] Modeline 86:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[    6.584128] [drm:drm_mode_debug_printmodeline] Modeline 75:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[    6.584857] [drm:drm_mode_debug_printmodeline] Modeline 77:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[    6.585606] [drm:drm_mode_debug_printmodeline] Modeline 78:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[    6.586345] [drm:drm_mode_debug_printmodeline] Modeline 79:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[    6.587072] [drm:drm_setup_crtcs] 
>[    6.587763] [drm:drm_enable_connectors] connector 19 enabled? yes
>[    6.588468] [drm:drm_enable_connectors] connector 27 enabled? no
>[    6.589188] [drm:drm_enable_connectors] connector 31 enabled? no
>[    6.589948] [drm:drm_enable_connectors] connector 34 enabled? no
>[    6.590630] [drm:drm_enable_connectors] connector 38 enabled? no
>[    6.591306] [drm:drm_enable_connectors] connector 39 enabled? no
>[    6.591969] [drm:drm_enable_connectors] connector 43 enabled? yes
>[    6.592682] [drm:drm_enable_connectors] connector 45 enabled? no
>[    6.593366] [drm:drm_enable_connectors] connector 50 enabled? no
>[    6.594016] [drm:drm_enable_connectors] connector 64 enabled? yes
>[    6.594658] [drm:intel_fb_initial_config] looking for cmdline mode on connector eDP-1
>[    6.595331] [drm:intel_fb_initial_config] looking for preferred mode on connector eDP-1
>[    6.596026] [drm:intel_fb_initial_config] connector eDP-1 on pipe A [CRTC:8]: 1920x1080
>[    6.596713] [drm:intel_fb_initial_config] connector DP-1 not enabled, skipping
>[    6.597363] [drm:intel_fb_initial_config] connector HDMI-A-1 not enabled, skipping
>[    6.598013] [drm:intel_fb_initial_config] connector DP-2 not enabled, skipping
>[    6.598695] [drm:intel_fb_initial_config] connector HDMI-A-2 not enabled, skipping
>[    6.599380] [drm:intel_fb_initial_config] connector DP-3 not enabled, skipping
>[    6.600070] [drm:intel_fb_initial_config] looking for cmdline mode on connector DP-4
>[    6.600736] [drm:intel_fb_initial_config] looking for preferred mode on connector DP-4
>[    6.601401] [drm:intel_fb_initial_config] using first mode listed on connector DP-4
>[    6.602059] [drm:intel_fb_initial_config] connector DP-4 on pipe B [CRTC:12]: 1920x1080
>[    6.602751] [drm:intel_fb_initial_config] connector DP-5 not enabled, skipping
>[    6.603451] [drm:intel_fb_initial_config] connector DP-6 not enabled, skipping
>[    6.604111] [drm:intel_fb_initial_config] connector DP-7 has no encoder or crtc, skipping
>[    6.604781] [drm:intel_fb_initial_config] fallback: Not all outputs enabled
>[    6.605438] [drm:intel_fb_initial_config] Enabled: 2, detected: 3
>[    6.606121] [drm:intel_fb_initial_config] Not using firmware configuration
>[    6.606812] [drm:drm_target_preferred] looking for cmdline mode on connector 19
>[    6.607470] [drm:drm_target_preferred] looking for preferred mode on connector 19
>[    6.608165] [drm:drm_target_preferred] found mode 1920x1080
>[    6.608849] [drm:drm_target_preferred] looking for cmdline mode on connector 43
>[    6.609533] [drm:drm_target_preferred] looking for preferred mode on connector 43
>[    6.610192] [drm:drm_target_preferred] found mode 1920x1080
>[    6.610881] [drm:drm_target_preferred] looking for cmdline mode on connector 64
>[    6.611542] [drm:drm_target_preferred] looking for preferred mode on connector 64
>[    6.612238] [drm:drm_target_preferred] found mode 1280x1024
>[    6.612927] [drm:drm_setup_crtcs] picking CRTCs for 8192x8192 config
>[    6.613590] [drm:drm_setup_crtcs] desired mode 1920x1080 set on crtc 8
>[    6.614278] [drm:drm_setup_crtcs] desired mode 1920x1080 set on crtc 12
>[    6.614927] [drm:drm_setup_crtcs] desired mode 1280x1024 set on crtc 16
>[    6.615617] [drm:intel_crtc_set_config] [CRTC:8] [FB:41] #connectors=1 (x y) (0 0)
>[    6.616295] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:8], mode_changed=0, fb_changed=0
>[    6.616993] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [CRTC:8]
>[    6.617660] [drm:intel_modeset_stage_output_state] [CONNECTOR:43:DP-4] to [CRTC:12]
>[    6.618323] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[    6.619026] [drm:connected_sink_compute_bpp] [CONNECTOR:19:eDP-1] checking for sink bpp constrains
>[    6.619771] [drm:connected_sink_compute_bpp] clamping display bpp (was 24) to EDID reported max of 18
>[    6.620455] [drm:intel_dp_compute_config] DP link computation with max lane count 2 max bw 0a pixel clock 141000KHz
>[    6.621141] [drm:intel_dp_compute_config] DP link bw 0a lane count 2 clock 270000 bpp 18
>[    6.621815] [drm:intel_dp_compute_config] DP link bw required 253800 available 432000
>[    6.622541] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp: 18, dithering: 1
>[    6.623225] [drm:intel_dump_pipe_config] [CRTC:8][modeset] config for pipe A
>[    6.623885] [drm:intel_dump_pipe_config] cpu_transcoder: D
>[    6.624537] [drm:intel_dump_pipe_config] pipe bpp: 18, dithering: 1
>[    6.625213] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[    6.625889] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 4928307, gmch_n: 8388608, link_m: 273794, link_n: 524288, tu: 64
>[    6.626583] [drm:intel_dump_pipe_config] dp: 1, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[    6.627241] [drm:intel_dump_pipe_config] audio: 0, infoframes: 0
>[    6.627891] [drm:intel_dump_pipe_config] requested mode:
>[    6.628571] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[    6.629271] [drm:intel_dump_pipe_config] adjusted mode:
>[    6.629978] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[    6.630680] [drm:intel_dump_crtc_timings] crtc timings: 141000 1920 1936 1952 2104 1080 1083 1097 1116, type: 0x48 flags: 0xa
>[    6.631435] [drm:intel_dump_pipe_config] port clock: 270000
>[    6.632167] [drm:intel_dump_pipe_config] pipe src size: 1920x1080
>[    6.632892] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[    6.633632] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[    6.634374] [drm:intel_dump_pipe_config] ips: 1
>[    6.635105] [drm:intel_dump_pipe_config] double wide: 0
>[    6.635871] [drm:intel_crtc_set_config] [CRTC:12] [FB:41] #connectors=1 (x y) (0 0)
>[    6.636688] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:12], mode_changed=0, fb_changed=0
>[    6.637467] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [CRTC:8]
>[    6.638256] [drm:intel_modeset_stage_output_state] [CONNECTOR:43:DP-4] to [CRTC:12]
>[    6.639077] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 2, prepare: 2, disable: 0
>[    6.639945] [drm:connected_sink_compute_bpp] [CONNECTOR:43:DP-4] checking for sink bpp constrains
>[    6.640771] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp: 24, dithering: 0
>[    6.641596] [drm:intel_dump_pipe_config] [CRTC:12][modeset] config for pipe B
>[    6.642459] [drm:intel_dump_pipe_config] cpu_transcoder: B
>[    6.643313] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0
>[    6.644141] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[    6.644987] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 1730150, gmch_n: 8388608, link_m: 288358, link_n: 1048576, tu: 14
>[    6.645870] [drm:intel_dump_pipe_config] dp: 1, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[    6.646762] [drm:intel_dump_pipe_config] audio: 0, infoframes: 0
>[    6.647620] [drm:intel_dump_pipe_config] requested mode:
>[    6.648487] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[    6.649409] [drm:intel_dump_pipe_config] adjusted mode:
>[    6.650317] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[    6.651222] [drm:intel_dump_crtc_timings] crtc timings: 148500 1920 2008 2052 2200 1080 1084 1089 1125, type: 0x40 flags: 0x5
>[    6.652203] [drm:intel_dump_pipe_config] port clock: 540000
>[    6.653157] [drm:intel_dump_pipe_config] pipe src size: 1920x1080
>[    6.654082] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[    6.655055] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[    6.656028] [drm:intel_dump_pipe_config] ips: 0
>[    6.657014] [drm:intel_dump_pipe_config] double wide: 0
>[    6.657964] [drm:intel_crtc_set_config] [CRTC:16] [FB:41] #connectors=1 (x y) (0 0)
>[    6.658936] [drm:intel_set_config_compute_mode_changes] inactive crtc, full mode set
>[    6.659942] [drm:intel_set_config_compute_mode_changes] modes are different, full mode set
>[    6.660889] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0x0
>[    6.661844] [drm:drm_mode_debug_printmodeline] Modeline 67:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[    6.662874] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:16], mode_changed=1, fb_changed=0
>[    6.663887] [drm:intel_modeset_stage_output_state] encoder changed, full mode switch
>[    6.664873] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [CRTC:8]
>[    6.665918] [drm:intel_modeset_stage_output_state] [CONNECTOR:43:DP-4] to [CRTC:12]
>[    6.666927] [drm:intel_modeset_stage_output_state] [CONNECTOR:64:DP-7] to [CRTC:16]
>[    6.667900] [drm:intel_modeset_stage_output_state] crtc changed, full mode switch
>[    6.668938] [drm:intel_modeset_stage_output_state] crtc enabled, full mode switch
>[    6.669946] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 4, prepare: 4, disable: 0
>[    6.670930] [drm:connected_sink_compute_bpp] [CONNECTOR:64:DP-7] checking for sink bpp constrains
>[    6.671945] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp: 24, dithering: 0
>[    6.672952] [drm:intel_dump_pipe_config] [CRTC:16][modeset] config for pipe C
>[    6.673967] [drm:intel_dump_pipe_config] cpu_transcoder: C
>[    6.674975] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0
>[    6.675969] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[    6.677006] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 1572864, gmch_n: 8388608, link_m: 262144, link_n: 1048576, tu: 13
>[    6.677981] [drm:intel_dump_pipe_config] dp: 1, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[    6.678979] [drm:intel_dump_pipe_config] audio: 0, infoframes: 0
>[    6.680001] [drm:intel_dump_pipe_config] requested mode:
>[    6.680959] [drm:drm_mode_debug_printmodeline] Modeline 0:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[    6.681940] [drm:intel_dump_pipe_config] adjusted mode:
>[    6.682963] [drm:drm_mode_debug_printmodeline] Modeline 0:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[    6.684002] [drm:intel_dump_crtc_timings] crtc timings: 135000 1280 1296 1440 1688 1024 1025 1028 1066, type: 0x40 flags: 0x5
>[    6.685027] [drm:intel_dump_pipe_config] port clock: 540000
>[    6.686070] [drm:intel_dump_pipe_config] pipe src size: 1280x1024
>[    6.687105] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[    6.688125] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[    6.689176] [drm:intel_dump_pipe_config] ips: 0
>[    6.690222] [drm:intel_dump_pipe_config] double wide: 0
>[    6.691239] [drm:intel_mst_pre_enable_dp] 1
>[    6.692245] [drm:drm_dp_mst_allocate_vcpi] initing vcpi for 483 13
>[    6.693920] [drm:intel_mst_enable_dp] 2
>[    6.695053] [drm:drm_dp_update_payload_part2] payload 0 2
>[    6.696056] [drm:drm_dp_update_payload_part2] payload 1 1
>[    6.698401] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[    6.699803] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[    6.700995] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[    6.702488] [drm:intel_dp_check_mst_status] got esi 02 10 00
>[    6.704493] [drm:intel_dp_check_mst_status] got esi2 02 00 00
>[    6.705428] [drm:intel_dp_check_mst_status] got esi 02 00 00
>[    6.708848] [drm:ironlake_update_primary_plane] Writing base 00191000 00000000 0 0 7680
>[    6.710241] [drm:intel_connector_check_state] [CONNECTOR:19:eDP-1]
>[    6.711356] [drm:intel_connector_check_state] [CONNECTOR:43:DP-4]
>[    6.712350] [drm:intel_connector_check_state] [CONNECTOR:64:DP-7]
>[    6.713265] [drm:check_encoder_state] [ENCODER:18:TMDS-18]
>[    6.714145] [drm:check_encoder_state] [ENCODER:26:TMDS-26]
>[    6.715055] [drm:check_encoder_state] [ENCODER:28:DP MST-28]
>[    6.715957] [drm:check_encoder_state] [ENCODER:29:DP MST-29]
>[    6.716844] [drm:check_encoder_state] [ENCODER:30:DP MST-30]
>[    6.717686] [drm:check_encoder_state] [ENCODER:33:TMDS-33]
>[    6.718548] [drm:check_encoder_state] [ENCODER:35:DP MST-35]
>[    6.719398] [drm:check_encoder_state] [ENCODER:36:DP MST-36]
>[    6.720245] [drm:check_encoder_state] [ENCODER:37:DP MST-37]
>[    6.721072] [drm:check_crtc_state] [CRTC:8]
>[    6.721862] [drm:check_crtc_state] [CRTC:12]
>[    6.722668] [drm:check_crtc_state] [CRTC:16]
>[    6.723431] [drm:check_shared_dpll_state] WRPLL 1
>[    6.724159] [drm:check_shared_dpll_state] WRPLL 2
>[    9.348130] [drm:edp_panel_vdd_off_sync] Turning eDP port A VDD off
>[    9.349277] [drm:edp_panel_vdd_off_sync] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd0007
>[    9.421861] psmouse serio2: trackpoint: IBM TrackPoint firmware: 0x0e, buttons: 3/3
>[    9.632771] input: TPPS/2 IBM TrackPoint as /devices/platform/i8042/serio1/serio2/input/input9
>[   26.328640] random: nonblocking pool is initialized
>[   28.949903] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[   28.951119] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[   28.951989] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[   28.953272] [drm:intel_dp_check_mst_status] got esi 01 20 00
>[   28.955367] [drm:drm_dp_mst_handle_up_req] Got CSN: pn: 3 ldps:0 ddps: 0 mcs: 0 ip: 0 pdt: 0
>[   28.956209] [drm:drm_fb_helper_hotplug_event] 
>[   28.956983] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:19:eDP-1]
>[   28.958135] [drm:intel_dp_detect] [CONNECTOR:19:eDP-1]
>[   28.959072] [drm:edp_panel_vdd_on] Turning eDP port A VDD on
>[   28.959820] [drm:edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd000f
>[   28.960996] [drm:intel_dp_probe_oui] Sink OUI: 001cf8
>[   28.962084] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[   28.962849] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[   28.963587] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:19:eDP-1] probed modes :
>[   28.964372] [drm:drm_mode_debug_printmodeline] Modeline 20:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[   28.965219] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:DP-1]
>[   28.965986] [drm:intel_dp_detect] [CONNECTOR:27:DP-1]
>[   28.966759] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:DP-1] disconnected
>[   28.967574] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:31:HDMI-A-1]
>[   28.968410] [drm:intel_hdmi_detect] [CONNECTOR:31:HDMI-A-1]
>[   28.980763] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[   28.981825] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:31:HDMI-A-1] disconnected
>[   28.982703] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:34:DP-2]
>[   28.983500] [drm:intel_dp_detect] [CONNECTOR:34:DP-2]
>[   28.984284] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:34:DP-2] disconnected
>[   28.985127] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:38:HDMI-A-2]
>[   28.985865] [drm:intel_hdmi_detect] [CONNECTOR:38:HDMI-A-2]
>[   28.986799] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[   28.987643] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[   28.988386] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:38:HDMI-A-2] disconnected
>[   28.989133] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:39:DP-3]
>[   28.989874] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:39:DP-3] disconnected
>[   28.990612] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:43:DP-4]
>[   29.004629] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[   29.005823] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[   31.966425] [drm:edp_panel_vdd_off_sync] Turning eDP port A VDD off
>[   31.967608] [drm:edp_panel_vdd_off_sync] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd0007
>[   32.989502] [drm:drm_dp_mst_wait_tx_reply] timedout msg send ffff88030a3e8000 2 1
>[   32.997033] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.004354] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.011308] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.018235] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.025125] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.032064] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.033205] [drm:drm_dp_send_sideband_msg] failed to dpcd write 13 -5
>[   33.034044] ------------[ cut here ]------------
>[   33.034767] WARNING: CPU: 0 PID: 128 at drivers/gpu/drm/drm_dp_mst_topology.c:1259 process_single_tx_qlock+0x5ee/0x650 [drm_kms_helper]()
>[   33.035529] fail
>[   33.036312] Modules linked in: snd_hda_codec_hdmi iTCO_wdt snd_hda_codec_generic x86_pkg_temp_thermal intel_powerclamp coretemp microcode psmouse thermal i915 cfbfillrect cfbimgblt i2c_algo_bit thinkpad_acpi cfbcopyarea snd_hda_intel drm_kms_helper snd_hda_controller nvram drm snd_hda_codec xhci_pci led_class ehci_pci ac battery snd_hwdep xhci_hcd i2c_core ehci_hcd snd_pcm intel_gtt snd_timer rtc_cmos agpgart snd video usbcore soundcore evdev lpc_ich usb_common mfd_core processor thermal_sys hwmon
>[   33.039038] CPU: 0 PID: 128 Comm: kworker/u16:2 Not tainted 3.18.0-00343-gfc7bddc #11
>[   33.039987] Hardware name: LENOVO 20ARS36E00/20ARS36E00, BIOS GJET78WW (2.28 ) 07/29/2014
>[   33.040961] Workqueue: i915-dp i915_digport_work_func [i915]
>[   33.041903]  0000000000000009 ffff88030ad6f5e8 ffffffff814d7f92 0000000000000007
>[   33.042899]  ffff88030ad6f638 ffff88030ad6f628 ffffffff8104e671 ffff88030ad6f630
>[   33.043900]  ffff88030ade48c0 0000000000001000 ffff88030ade48c0 000000000000000d
>[   33.044874] Call Trace:
>[   33.045848]  [<ffffffff814d7f92>] dump_stack+0x46/0x58
>[   33.046865]  [<ffffffff8104e671>] warn_slowpath_common+0x81/0xa0
>[   33.047887]  [<ffffffff8104e6d6>] warn_slowpath_fmt+0x46/0x50
>[   33.048882]  [<ffffffffa03c9a0e>] process_single_tx_qlock+0x5ee/0x650 [drm_kms_helper]
>[   33.049922]  [<ffffffffa03c9be9>] ? drm_dp_queue_down_tx+0x29/0x80 [drm_kms_helper]
>[   33.050945]  [<ffffffff810975f5>] ? mark_held_locks+0x75/0xa0
>[   33.051939]  [<ffffffffa03c9ab2>] process_single_down_tx_qlock+0x42/0x150 [drm_kms_helper]
>[   33.052978]  [<ffffffffa03c9c2a>] drm_dp_queue_down_tx+0x6a/0x80 [drm_kms_helper]
>[   33.053984]  [<ffffffffa03cbd16>] drm_dp_mst_i2c_xfer+0x146/0x240 [drm_kms_helper]
>[   33.054964]  [<ffffffff81099222>] ? __lock_acquire+0x4d2/0x21d0
>[   33.055958]  [<ffffffff81090150>] ? print_cpu+0x960/0xd30
>[   33.056952]  [<ffffffff810b1708>] ? rcu_irq_exit+0x68/0xc0
>[   33.057927]  [<ffffffffa02671dd>] __i2c_transfer+0x6d/0x210 [i2c_core]
>[   33.058896]  [<ffffffffa0269a67>] i2c_transfer+0x57/0xc0 [i2c_core]
>[   33.059906]  [<ffffffffa03523a9>] drm_do_probe_ddc_edid+0xc9/0x140 [drm]
>[   33.060886]  [<ffffffff814dc79e>] ? __mutex_unlock_slowpath+0xae/0x190
>[   33.061845]  [<ffffffffa0352479>] drm_get_edid+0x29/0x50 [drm]
>[   33.062841]  [<ffffffffa03caa0e>] drm_dp_mst_get_edid+0x2e/0x50 [drm_kms_helper]
>[   33.063826]  [<ffffffffa04c5b59>] intel_dp_mst_get_modes+0x29/0x50 [i915]
>[   33.064780]  [<ffffffffa03c794c>] drm_helper_probe_single_connector_modes_merge_bits+0xec/0x480 [drm_kms_helper]
>[   33.065757]  [<ffffffffa03c7cf3>] drm_helper_probe_single_connector_modes+0x13/0x20 [drm_kms_helper]
>[   33.066772]  [<ffffffffa03d1660>] drm_fb_helper_probe_connector_modes.isra.3+0x50/0x70 [drm_kms_helper]
>[   33.067766]  [<ffffffffa03d23a0>] drm_fb_helper_hotplug_event+0x60/0xe0 [drm_kms_helper]
>[   33.068732]  [<ffffffffa04b50ce>] intel_fbdev_output_poll_changed+0x1e/0x30 [i915]
>[   33.069720]  [<ffffffffa03c75db>] drm_kms_helper_hotplug_event+0x2b/0x40 [drm_kms_helper]
>[   33.070695]  [<ffffffffa04c5ad5>] intel_dp_mst_hotplug+0x15/0x20 [i915]
>[   33.071636]  [<ffffffffa03ccee1>] drm_dp_mst_handle_up_req+0x271/0x500 [drm_kms_helper]
>[   33.072607]  [<ffffffffa03cd1c3>] drm_dp_mst_hpd_irq+0x53/0x9f0 [drm_kms_helper]
>[   33.073577]  [<ffffffffa04c3a75>] intel_dp_check_mst_status+0xb5/0x250 [i915]
>[   33.074524]  [<ffffffffa04c4819>] intel_dp_hpd_pulse+0x199/0x2a0 [i915]
>[   33.075458]  [<ffffffffa046e1af>] i915_digport_work_func+0x8f/0x110 [i915]
>[   33.076431]  [<ffffffff81065fc2>] process_one_work+0x1b2/0x490
>[   33.077378]  [<ffffffff81065f51>] ? process_one_work+0x141/0x490
>[   33.078295]  [<ffffffff81066b1b>] worker_thread+0x6b/0x4a0
>[   33.079214]  [<ffffffff8109787d>] ? trace_hardirqs_on+0xd/0x10
>[   33.080153]  [<ffffffff81066ab0>] ? init_pwq+0xf0/0xf0
>[   33.081087]  [<ffffffff8106bba6>] kthread+0xf6/0x110
>[   33.081981]  [<ffffffff814de560>] ? _raw_spin_unlock_irq+0x30/0x40
>[   33.082897]  [<ffffffff8106bab0>] ? kthread_create_on_node+0x220/0x220
>[   33.083820]  [<ffffffff814defec>] ret_from_fork+0x7c/0xb0
>[   33.084715]  [<ffffffff8106bab0>] ? kthread_create_on_node+0x220/0x220
>[   33.085617] ---[ end trace 2bb04b47e83116a7 ]---
>[   33.086539] [drm:process_single_tx_qlock] sideband msg failed to send
>[   33.087466] [drm:process_single_down_tx_qlock] failed to send msg in q -5
>[   33.094154] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.101328] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.108436] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.115722] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.122858] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.129989] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.131355] [drm:drm_dp_send_sideband_msg] failed to dpcd write 13 -5
>[   33.132288] ------------[ cut here ]------------
>[   33.133216] WARNING: CPU: 0 PID: 128 at drivers/gpu/drm/drm_dp_mst_topology.c:1259 process_single_tx_qlock+0x5ee/0x650 [drm_kms_helper]()
>[   33.134158] fail
>[   33.135066] Modules linked in: snd_hda_codec_hdmi iTCO_wdt snd_hda_codec_generic x86_pkg_temp_thermal intel_powerclamp coretemp microcode psmouse thermal i915 cfbfillrect cfbimgblt i2c_algo_bit thinkpad_acpi cfbcopyarea snd_hda_intel drm_kms_helper snd_hda_controller nvram drm snd_hda_codec xhci_pci led_class ehci_pci ac battery snd_hwdep xhci_hcd i2c_core ehci_hcd snd_pcm intel_gtt snd_timer rtc_cmos agpgart snd video usbcore soundcore evdev lpc_ich usb_common mfd_core processor thermal_sys hwmon
>[   33.138120] CPU: 0 PID: 128 Comm: kworker/u16:2 Tainted: G        W      3.18.0-00343-gfc7bddc #11
>[   33.139059] Hardware name: LENOVO 20ARS36E00/20ARS36E00, BIOS GJET78WW (2.28 ) 07/29/2014
>[   33.140014] Workqueue: i915-dp i915_digport_work_func [i915]
>[   33.140937]  0000000000000009 ffff88030ad6f5e8 ffffffff814d7f92 ffff88031e20e558
>[   33.141845]  ffff88030ad6f638 ffff88030ad6f628 ffffffff8104e671 ffff88030ad6f630
>[   33.142776]  ffff88030ade48c0 0000000000001000 ffff88030ade48c0 000000000000000d
>[   33.143701] Call Trace:
>[   33.144589]  [<ffffffff814d7f92>] dump_stack+0x46/0x58
>[   33.145480]  [<ffffffff8104e671>] warn_slowpath_common+0x81/0xa0
>[   33.146396]  [<ffffffff8104e6d6>] warn_slowpath_fmt+0x46/0x50
>[   33.147309]  [<ffffffffa03c9a0e>] process_single_tx_qlock+0x5ee/0x650 [drm_kms_helper]
>[   33.148202]  [<ffffffffa03c9be9>] ? drm_dp_queue_down_tx+0x29/0x80 [drm_kms_helper]
>[   33.149099]  [<ffffffff810975f5>] ? mark_held_locks+0x75/0xa0
>[   33.150032]  [<ffffffffa03c9ab2>] process_single_down_tx_qlock+0x42/0x150 [drm_kms_helper]
>[   33.150954]  [<ffffffffa03c9c2a>] drm_dp_queue_down_tx+0x6a/0x80 [drm_kms_helper]
>[   33.151855]  [<ffffffffa03cbd16>] drm_dp_mst_i2c_xfer+0x146/0x240 [drm_kms_helper]
>[   33.152792]  [<ffffffff81099222>] ? __lock_acquire+0x4d2/0x21d0
>[   33.153700]  [<ffffffff81090150>] ? print_cpu+0x960/0xd30
>[   33.154587]  [<ffffffff810b1708>] ? rcu_irq_exit+0x68/0xc0
>[   33.155469]  [<ffffffffa02671dd>] __i2c_transfer+0x6d/0x210 [i2c_core]
>[   33.156397]  [<ffffffffa0269a67>] i2c_transfer+0x57/0xc0 [i2c_core]
>[   33.157310]  [<ffffffffa03523a9>] drm_do_probe_ddc_edid+0xc9/0x140 [drm]
>[   33.158201]  [<ffffffff814dc79e>] ? __mutex_unlock_slowpath+0xae/0x190
>[   33.159097]  [<ffffffffa0352479>] drm_get_edid+0x29/0x50 [drm]
>[   33.160026]  [<ffffffffa03caa0e>] drm_dp_mst_get_edid+0x2e/0x50 [drm_kms_helper]
>[   33.160949]  [<ffffffffa04c5b59>] intel_dp_mst_get_modes+0x29/0x50 [i915]
>[   33.161845]  [<ffffffffa03c794c>] drm_helper_probe_single_connector_modes_merge_bits+0xec/0x480 [drm_kms_helper]
>[   33.162798]  [<ffffffffa03c7cf3>] drm_helper_probe_single_connector_modes+0x13/0x20 [drm_kms_helper]
>[   33.163723]  [<ffffffffa03d1660>] drm_fb_helper_probe_connector_modes.isra.3+0x50/0x70 [drm_kms_helper]
>[   33.164628]  [<ffffffffa03d23a0>] drm_fb_helper_hotplug_event+0x60/0xe0 [drm_kms_helper]
>[   33.165538]  [<ffffffffa04b50ce>] intel_fbdev_output_poll_changed+0x1e/0x30 [i915]
>[   33.166477]  [<ffffffffa03c75db>] drm_kms_helper_hotplug_event+0x2b/0x40 [drm_kms_helper]
>[   33.167406]  [<ffffffffa04c5ad5>] intel_dp_mst_hotplug+0x15/0x20 [i915]
>[   33.168307]  [<ffffffffa03ccee1>] drm_dp_mst_handle_up_req+0x271/0x500 [drm_kms_helper]
>[   33.169209]  [<ffffffffa03cd1c3>] drm_dp_mst_hpd_irq+0x53/0x9f0 [drm_kms_helper]
>[   33.170153]  [<ffffffffa04c3a75>] intel_dp_check_mst_status+0xb5/0x250 [i915]
>[   33.171075]  [<ffffffffa04c4819>] intel_dp_hpd_pulse+0x199/0x2a0 [i915]
>[   33.171972]  [<ffffffffa046e1af>] i915_digport_work_func+0x8f/0x110 [i915]
>[   33.172903]  [<ffffffff81065fc2>] process_one_work+0x1b2/0x490
>[   33.173810]  [<ffffffff81065f51>] ? process_one_work+0x141/0x490
>[   33.174697]  [<ffffffff81066b1b>] worker_thread+0x6b/0x4a0
>[   33.175580]  [<ffffffff8109787d>] ? trace_hardirqs_on+0xd/0x10
>[   33.176495]  [<ffffffff81066ab0>] ? init_pwq+0xf0/0xf0
>[   33.177408]  [<ffffffff8106bba6>] kthread+0xf6/0x110
>[   33.178288]  [<ffffffff814de560>] ? _raw_spin_unlock_irq+0x30/0x40
>[   33.179172]  [<ffffffff8106bab0>] ? kthread_create_on_node+0x220/0x220
>[   33.180089]  [<ffffffff814defec>] ret_from_fork+0x7c/0xb0
>[   33.181007]  [<ffffffff8106bab0>] ? kthread_create_on_node+0x220/0x220
>[   33.181895] ---[ end trace 2bb04b47e83116a8 ]---
>[   33.182811] [drm:process_single_tx_qlock] sideband msg failed to send
>[   33.183734] [drm:process_single_down_tx_qlock] failed to send msg in q -5
>[   33.190405] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.197567] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.204744] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.211903] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.219049] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.226185] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.227530] [drm:drm_dp_send_sideband_msg] failed to dpcd write 13 -5
>[   33.228410] ------------[ cut here ]------------
>[   33.229339] WARNING: CPU: 0 PID: 128 at drivers/gpu/drm/drm_dp_mst_topology.c:1259 process_single_tx_qlock+0x5ee/0x650 [drm_kms_helper]()
>[   33.230283] fail
>[   33.231192] Modules linked in: snd_hda_codec_hdmi iTCO_wdt snd_hda_codec_generic x86_pkg_temp_thermal intel_powerclamp coretemp microcode psmouse thermal i915 cfbfillrect cfbimgblt i2c_algo_bit thinkpad_acpi cfbcopyarea snd_hda_intel drm_kms_helper snd_hda_controller nvram drm snd_hda_codec xhci_pci led_class ehci_pci ac battery snd_hwdep xhci_hcd i2c_core ehci_hcd snd_pcm intel_gtt snd_timer rtc_cmos agpgart snd video usbcore soundcore evdev lpc_ich usb_common mfd_core processor thermal_sys hwmon
>[   33.234249] CPU: 0 PID: 128 Comm: kworker/u16:2 Tainted: G        W      3.18.0-00343-gfc7bddc #11
>[   33.235189] Hardware name: LENOVO 20ARS36E00/20ARS36E00, BIOS GJET78WW (2.28 ) 07/29/2014
>[   33.236147] Workqueue: i915-dp i915_digport_work_func [i915]
>[   33.237067]  0000000000000009 ffff88030ad6f5e8 ffffffff814d7f92 ffff88031e20e558
>[   33.237974]  ffff88030ad6f638 ffff88030ad6f628 ffffffff8104e671 ffff88030ad6f630
>[   33.238871]  ffff88030ade48c0 0000000000001000 ffff88030ade48c0 000000000000000d
>[   33.239796] Call Trace:
>[   33.240713]  [<ffffffff814d7f92>] dump_stack+0x46/0x58
>[   33.241604]  [<ffffffff8104e671>] warn_slowpath_common+0x81/0xa0
>[   33.242490]  [<ffffffff8104e6d6>] warn_slowpath_fmt+0x46/0x50
>[   33.243412]  [<ffffffffa03c9a0e>] process_single_tx_qlock+0x5ee/0x650 [drm_kms_helper]
>[   33.244325]  [<ffffffffa03c9be9>] ? drm_dp_queue_down_tx+0x29/0x80 [drm_kms_helper]
>[   33.245222]  [<ffffffff810975f5>] ? mark_held_locks+0x75/0xa0
>[   33.246157]  [<ffffffffa03c9ab2>] process_single_down_tx_qlock+0x42/0x150 [drm_kms_helper]
>[   33.247078]  [<ffffffffa03c9c2a>] drm_dp_queue_down_tx+0x6a/0x80 [drm_kms_helper]
>[   33.247979]  [<ffffffffa03cbd16>] drm_dp_mst_i2c_xfer+0x146/0x240 [drm_kms_helper]
>[   33.248873]  [<ffffffff81099222>] ? __lock_acquire+0x4d2/0x21d0
>[   33.249792]  [<ffffffff81090150>] ? print_cpu+0x960/0xd30
>[   33.250708]  [<ffffffff810b1708>] ? rcu_irq_exit+0x68/0xc0
>[   33.251589]  [<ffffffffa02671dd>] __i2c_transfer+0x6d/0x210 [i2c_core]
>[   33.252475]  [<ffffffffa0269a67>] i2c_transfer+0x57/0xc0 [i2c_core]
>[   33.253408]  [<ffffffffa03523a9>] drm_do_probe_ddc_edid+0xc9/0x140 [drm]
>[   33.254318]  [<ffffffff814dc79e>] ? __mutex_unlock_slowpath+0xae/0x190
>[   33.255213]  [<ffffffffa0352479>] drm_get_edid+0x29/0x50 [drm]
>[   33.256144]  [<ffffffffa03caa0e>] drm_dp_mst_get_edid+0x2e/0x50 [drm_kms_helper]
>[   33.257065]  [<ffffffffa04c5b59>] intel_dp_mst_get_modes+0x29/0x50 [i915]
>[   33.257958]  [<ffffffffa03c794c>] drm_helper_probe_single_connector_modes_merge_bits+0xec/0x480 [drm_kms_helper]
>[   33.258867]  [<ffffffffa03c7cf3>] drm_helper_probe_single_connector_modes+0x13/0x20 [drm_kms_helper]
>[   33.259813]  [<ffffffffa03d1660>] drm_fb_helper_probe_connector_modes.isra.3+0x50/0x70 [drm_kms_helper]
>[   33.260737]  [<ffffffffa03d23a0>] drm_fb_helper_hotplug_event+0x60/0xe0 [drm_kms_helper]
>[   33.261647]  [<ffffffffa04b50ce>] intel_fbdev_output_poll_changed+0x1e/0x30 [i915]
>[   33.262587]  [<ffffffffa03c75db>] drm_kms_helper_hotplug_event+0x2b/0x40 [drm_kms_helper]
>[   33.263514]  [<ffffffffa04c5ad5>] intel_dp_mst_hotplug+0x15/0x20 [i915]
>[   33.264413]  [<ffffffffa03ccee1>] drm_dp_mst_handle_up_req+0x271/0x500 [drm_kms_helper]
>[   33.265314]  [<ffffffffa03cd1c3>] drm_dp_mst_hpd_irq+0x53/0x9f0 [drm_kms_helper]
>[   33.266259]  [<ffffffffa04c3a75>] intel_dp_check_mst_status+0xb5/0x250 [i915]
>[   33.267179]  [<ffffffffa04c4819>] intel_dp_hpd_pulse+0x199/0x2a0 [i915]
>[   33.268075]  [<ffffffffa046e1af>] i915_digport_work_func+0x8f/0x110 [i915]
>[   33.268964]  [<ffffffff81065fc2>] process_one_work+0x1b2/0x490
>[   33.269879]  [<ffffffff81065f51>] ? process_one_work+0x141/0x490
>[   33.270795]  [<ffffffff81066b1b>] worker_thread+0x6b/0x4a0
>[   33.271676]  [<ffffffff8109787d>] ? trace_hardirqs_on+0xd/0x10
>[   33.272588]  [<ffffffff81066ab0>] ? init_pwq+0xf0/0xf0
>[   33.273497]  [<ffffffff8106bba6>] kthread+0xf6/0x110
>[   33.274376]  [<ffffffff814de560>] ? _raw_spin_unlock_irq+0x30/0x40
>[   33.275258]  [<ffffffff8106bab0>] ? kthread_create_on_node+0x220/0x220
>[   33.276175]  [<ffffffff814defec>] ret_from_fork+0x7c/0xb0
>[   33.277091]  [<ffffffff8106bab0>] ? kthread_create_on_node+0x220/0x220
>[   33.277980] ---[ end trace 2bb04b47e83116a9 ]---
>[   33.278864] [drm:process_single_tx_qlock] sideband msg failed to send
>[   33.279786] [drm:process_single_down_tx_qlock] failed to send msg in q -5
>[   33.286454] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.293615] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.300785] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.307923] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.315034] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.322187] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.323567] [drm:drm_dp_send_sideband_msg] failed to dpcd write 13 -5
>[   33.324706] ------------[ cut here ]------------
>[   33.325621] WARNING: CPU: 0 PID: 128 at drivers/gpu/drm/drm_dp_mst_topology.c:1259 process_single_tx_qlock+0x5ee/0x650 [drm_kms_helper]()
>[   33.326589] fail
>[   33.327531] Modules linked in: snd_hda_codec_hdmi iTCO_wdt snd_hda_codec_generic x86_pkg_temp_thermal intel_powerclamp coretemp microcode psmouse thermal i915 cfbfillrect cfbimgblt i2c_algo_bit thinkpad_acpi cfbcopyarea snd_hda_intel drm_kms_helper snd_hda_controller nvram drm snd_hda_codec xhci_pci led_class ehci_pci ac battery snd_hwdep xhci_hcd i2c_core ehci_hcd snd_pcm intel_gtt snd_timer rtc_cmos agpgart snd video usbcore soundcore evdev lpc_ich usb_common mfd_core processor thermal_sys hwmon
>[   33.330580] CPU: 0 PID: 128 Comm: kworker/u16:2 Tainted: G        W      3.18.0-00343-gfc7bddc #11
>[   33.331519] Hardware name: LENOVO 20ARS36E00/20ARS36E00, BIOS GJET78WW (2.28 ) 07/29/2014
>[   33.332435] Workqueue: i915-dp i915_digport_work_func [i915]
>[   33.333366]  0000000000000009 ffff88030ad6f5e8 ffffffff814d7f92 ffff88031e20e558
>[   33.334304]  ffff88030ad6f638 ffff88030ad6f628 ffffffff8104e671 ffff88030ad6f630
>[   33.335201]  ffff88030ade48c0 0000000000001000 ffff88030ade48c0 000000000000000d
>[   33.336126] Call Trace:
>[   33.337041]  [<ffffffff814d7f92>] dump_stack+0x46/0x58
>[   33.337932]  [<ffffffff8104e671>] warn_slowpath_common+0x81/0xa0
>[   33.338817]  [<ffffffff8104e6d6>] warn_slowpath_fmt+0x46/0x50
>[   33.339738]  [<ffffffffa03c9a0e>] process_single_tx_qlock+0x5ee/0x650 [drm_kms_helper]
>[   33.340650]  [<ffffffffa03c9be9>] ? drm_dp_queue_down_tx+0x29/0x80 [drm_kms_helper]
>[   33.341547]  [<ffffffff810975f5>] ? mark_held_locks+0x75/0xa0
>[   33.342439]  [<ffffffffa03c9ab2>] process_single_down_tx_qlock+0x42/0x150 [drm_kms_helper]
>[   33.343382]  [<ffffffffa03c9c2a>] drm_dp_queue_down_tx+0x6a/0x80 [drm_kms_helper]
>[   33.344303]  [<ffffffffa03cbd16>] drm_dp_mst_i2c_xfer+0x146/0x240 [drm_kms_helper]
>[   33.345198]  [<ffffffff81099222>] ? __lock_acquire+0x4d2/0x21d0
>[   33.346119]  [<ffffffff81090150>] ? print_cpu+0x960/0xd30
>[   33.347035]  [<ffffffff810b1708>] ? rcu_irq_exit+0x68/0xc0
>[   33.347917]  [<ffffffffa02671dd>] __i2c_transfer+0x6d/0x210 [i2c_core]
>[   33.348803]  [<ffffffffa0269a67>] i2c_transfer+0x57/0xc0 [i2c_core]
>[   33.349736]  [<ffffffffa03523a9>] drm_do_probe_ddc_edid+0xc9/0x140 [drm]
>[   33.350645]  [<ffffffff814dc79e>] ? __mutex_unlock_slowpath+0xae/0x190
>[   33.351539]  [<ffffffffa0352479>] drm_get_edid+0x29/0x50 [drm]
>[   33.352428]  [<ffffffffa03caa0e>] drm_dp_mst_get_edid+0x2e/0x50 [drm_kms_helper]
>[   33.353370]  [<ffffffffa04c5b59>] intel_dp_mst_get_modes+0x29/0x50 [i915]
>[   33.354284]  [<ffffffffa03c794c>] drm_helper_probe_single_connector_modes_merge_bits+0xec/0x480 [drm_kms_helper]
>[   33.355194]  [<ffffffffa03c7cf3>] drm_helper_probe_single_connector_modes+0x13/0x20 [drm_kms_helper]
>[   33.356140]  [<ffffffffa03d1660>] drm_fb_helper_probe_connector_modes.isra.3+0x50/0x70 [drm_kms_helper]
>[   33.357062]  [<ffffffffa03d23a0>] drm_fb_helper_hotplug_event+0x60/0xe0 [drm_kms_helper]
>[   33.357971]  [<ffffffffa04b50ce>] intel_fbdev_output_poll_changed+0x1e/0x30 [i915]
>[   33.358871]  [<ffffffffa03c75db>] drm_kms_helper_hotplug_event+0x2b/0x40 [drm_kms_helper]
>[   33.359819]  [<ffffffffa04c5ad5>] intel_dp_mst_hotplug+0x15/0x20 [i915]
>[   33.360738]  [<ffffffffa03ccee1>] drm_dp_mst_handle_up_req+0x271/0x500 [drm_kms_helper]
>[   33.361640]  [<ffffffffa03cd1c3>] drm_dp_mst_hpd_irq+0x53/0x9f0 [drm_kms_helper]
>[   33.362585]  [<ffffffffa04c3a75>] intel_dp_check_mst_status+0xb5/0x250 [i915]
>[   33.363504]  [<ffffffffa04c4819>] intel_dp_hpd_pulse+0x199/0x2a0 [i915]
>[   33.364401]  [<ffffffffa046e1af>] i915_digport_work_func+0x8f/0x110 [i915]
>[   33.365289]  [<ffffffff81065fc2>] process_one_work+0x1b2/0x490
>[   33.366208]  [<ffffffff81065f51>] ? process_one_work+0x141/0x490
>[   33.367125]  [<ffffffff81066b1b>] worker_thread+0x6b/0x4a0
>[   33.368007]  [<ffffffff8109787d>] ? trace_hardirqs_on+0xd/0x10
>[   33.368890]  [<ffffffff81066ab0>] ? init_pwq+0xf0/0xf0
>[   33.369800]  [<ffffffff8106bba6>] kthread+0xf6/0x110
>[   33.370709]  [<ffffffff814de560>] ? _raw_spin_unlock_irq+0x30/0x40
>[   33.371592]  [<ffffffff8106bab0>] ? kthread_create_on_node+0x220/0x220
>[   33.372496]  [<ffffffff814defec>] ret_from_fork+0x7c/0xb0
>[   33.373400]  [<ffffffff8106bab0>] ? kthread_create_on_node+0x220/0x220
>[   33.374287] ---[ end trace 2bb04b47e83116aa ]---
>[   33.375173] [drm:process_single_tx_qlock] sideband msg failed to send
>[   33.376096] [drm:process_single_down_tx_qlock] failed to send msg in q -5
>[   33.377031] [drm:drm_mode_debug_printmodeline] Modeline 49:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[   33.377944] [drm:drm_mode_prune_invalid] Not using 1920x1080 mode -3
>[   33.378857] [drm:drm_mode_debug_printmodeline] Modeline 80:"1920x1080" 60 148352 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[   33.379818] [drm:drm_mode_prune_invalid] Not using 1920x1080 mode -3
>[   33.380790] [drm:drm_mode_debug_printmodeline] Modeline 72:"1920x1080" 50 148500 1920 2448 2492 2640 1080 1084 1089 1125 0x40 0x5
>[   33.381762] [drm:drm_mode_prune_invalid] Not using 1920x1080 mode -3
>[   33.382772] [drm:drm_mode_debug_printmodeline] Modeline 76:"1920x1080" 24 74250 1920 2558 2602 2750 1080 1084 1089 1125 0x40 0x5
>[   33.383814] [drm:drm_mode_prune_invalid] Not using 1920x1080 mode -3
>[   33.384833] [drm:drm_mode_debug_printmodeline] Modeline 92:"1920x1080" 24 74176 1920 2558 2602 2750 1080 1084 1089 1125 0x40 0x5
>[   33.385908] [drm:drm_mode_prune_invalid] Not using 1920x1080 mode -3
>[   33.386977] [drm:drm_mode_debug_printmodeline] Modeline 60:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[   33.388022] [drm:drm_mode_prune_invalid] Not using 1280x1024 mode -3
>[   33.389050] [drm:drm_mode_debug_printmodeline] Modeline 53:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[   33.390093] [drm:drm_mode_prune_invalid] Not using 1280x1024 mode -3
>[   33.391100] [drm:drm_mode_debug_printmodeline] Modeline 55:"1152x864" 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
>[   33.392056] [drm:drm_mode_prune_invalid] Not using 1152x864 mode -3
>[   33.393034] [drm:drm_mode_debug_printmodeline] Modeline 51:"1280x720" 60 74250 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[   33.394024] [drm:drm_mode_prune_invalid] Not using 1280x720 mode -3
>[   33.394978] [drm:drm_mode_debug_printmodeline] Modeline 82:"1280x720" 60 74176 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[   33.395977] [drm:drm_mode_prune_invalid] Not using 1280x720 mode -3
>[   33.396976] [drm:drm_mode_debug_printmodeline] Modeline 74:"1280x720" 50 74250 1280 1720 1760 1980 720 725 730 750 0x40 0x5
>[   33.397966] [drm:drm_mode_prune_invalid] Not using 1280x720 mode -3
>[   33.398948] [drm:drm_mode_debug_printmodeline] Modeline 61:"1024x768" 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[   33.399981] [drm:drm_mode_prune_invalid] Not using 1024x768 mode -3
>[   33.401018] [drm:drm_mode_debug_printmodeline] Modeline 63:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[   33.402047] [drm:drm_mode_prune_invalid] Not using 800x600 mode -3
>[   33.403100] [drm:drm_mode_debug_printmodeline] Modeline 73:"720x576" 50 27000 720 732 796 864 576 581 586 625 0x40 0xa
>[   33.404171] [drm:drm_mode_prune_invalid] Not using 720x576 mode -3
>[   33.405207] [drm:drm_mode_debug_printmodeline] Modeline 83:"720x480" 60 27027 720 736 798 858 480 489 495 525 0x40 0xa
>[   33.406289] [drm:drm_mode_prune_invalid] Not using 720x480 mode -3
>[   33.407366] [drm:drm_mode_debug_printmodeline] Modeline 52:"720x480" 60 27000 720 736 798 858 480 489 495 525 0x40 0xa
>[   33.408431] [drm:drm_mode_prune_invalid] Not using 720x480 mode -3
>[   33.409522] [drm:drm_mode_debug_printmodeline] Modeline 57:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[   33.410634] [drm:drm_mode_prune_invalid] Not using 640x480 mode -3
>[   33.411720] [drm:drm_mode_debug_printmodeline] Modeline 58:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[   33.412854] [drm:drm_mode_prune_invalid] Not using 640x480 mode -3
>[   33.413988] [drm:drm_mode_debug_printmodeline] Modeline 71:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[   33.415111] [drm:drm_mode_prune_invalid] Not using 640x480 mode -3
>[   33.416262] [drm:drm_mode_debug_printmodeline] Modeline 59:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[   33.417431] [drm:drm_mode_prune_invalid] Not using 720x400 mode -3
>[   33.418569] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:43:DP-4] probed modes :
>[   33.419748] [drm:drm_mode_debug_printmodeline] Modeline 62:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[   33.420936] [drm:drm_mode_debug_printmodeline] Modeline 56:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[   33.422094] [drm:drm_mode_debug_printmodeline] Modeline 87:"800x600" 56 36000 800 824 896 1024 600 601 603 625 0x40 0x5
>[   33.423275] [drm:drm_mode_debug_printmodeline] Modeline 89:"848x480" 60 33750 848 864 976 1088 480 486 494 517 0x40 0x5
>[   33.424453] [drm:drm_mode_debug_printmodeline] Modeline 69:"640x480" 60 25175 640 656 752 800 480 489 492 525 0x40 0xa
>[   33.425598] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:45:DP-5]
>[   33.426774] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:45:DP-5] disconnected
>[   33.427941] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:50:DP-6]
>[   33.429068] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:50:DP-6] disconnected
>[   33.430218] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:64:DP-7]
>[   33.431360] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:64:DP-7] disconnected
>[   33.432514] [drm:drm_setup_crtcs] 
>[   33.433632] [drm:drm_enable_connectors] connector 19 enabled? yes
>[   33.434739] [drm:drm_enable_connectors] connector 27 enabled? no
>[   33.435873] [drm:drm_enable_connectors] connector 31 enabled? no
>[   33.436998] [drm:drm_enable_connectors] connector 34 enabled? no
>[   33.438086] [drm:drm_enable_connectors] connector 38 enabled? no
>[   33.439197] [drm:drm_enable_connectors] connector 39 enabled? no
>[   33.440304] [drm:drm_enable_connectors] connector 43 enabled? yes
>[   33.441376] [drm:drm_enable_connectors] connector 45 enabled? no
>[   33.442439] [drm:drm_enable_connectors] connector 50 enabled? no
>[   33.443525] [drm:drm_enable_connectors] connector 64 enabled? no
>[   33.444605] [drm:intel_fb_initial_config] looking for cmdline mode on connector eDP-1
>[   33.445659] [drm:intel_fb_initial_config] looking for preferred mode on connector eDP-1
>[   33.446738] [drm:intel_fb_initial_config] connector eDP-1 on pipe A [CRTC:8]: 1920x1080
>[   33.447818] [drm:intel_fb_initial_config] connector DP-1 not enabled, skipping
>[   33.448851] [drm:intel_fb_initial_config] connector HDMI-A-1 not enabled, skipping
>[   33.449901] [drm:intel_fb_initial_config] connector DP-2 not enabled, skipping
>[   33.450937] [drm:intel_fb_initial_config] connector HDMI-A-2 not enabled, skipping
>[   33.451931] [drm:intel_fb_initial_config] connector DP-3 not enabled, skipping
>[   33.452939] [drm:intel_fb_initial_config] looking for cmdline mode on connector DP-4
>[   33.453936] [drm:intel_fb_initial_config] looking for preferred mode on connector DP-4
>[   33.454892] [drm:intel_fb_initial_config] using first mode listed on connector DP-4
>[   33.455867] [drm:intel_fb_initial_config] connector DP-4 on pipe B [CRTC:12]: 1024x768
>[   33.456830] [drm:intel_fb_initial_config] connector DP-5 not enabled, skipping
>[   33.457748] [drm:intel_fb_initial_config] connector DP-6 not enabled, skipping
>[   33.458647] [drm:intel_fb_initial_config] connector DP-7 not enabled, skipping
>[   33.459556] [drm:drm_setup_crtcs] desired mode 1920x1080 set on crtc 8
>[   33.460462] [drm:drm_setup_crtcs] desired mode 1024x768 set on crtc 12
>[   33.461327] [drm:intel_crtc_set_config] [CRTC:8] [FB:41] #connectors=1 (x y) (0 0)
>[   33.462180] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:8], mode_changed=0, fb_changed=0
>[   33.463067] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [CRTC:8]
>[   33.463949] [drm:intel_modeset_stage_output_state] [CONNECTOR:43:DP-4] to [CRTC:12]
>[   33.464785] [drm:intel_modeset_stage_output_state] [CONNECTOR:64:DP-7] to [CRTC:16]
>[   33.465603] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[   33.466452] [drm:connected_sink_compute_bpp] [CONNECTOR:19:eDP-1] checking for sink bpp constrains
>[   33.467298] [drm:connected_sink_compute_bpp] clamping display bpp (was 24) to EDID reported max of 18
>[   33.468109] [drm:intel_dp_compute_config] DP link computation with max lane count 2 max bw 0a pixel clock 141000KHz
>[   33.468922] [drm:intel_dp_compute_config] DP link bw 0a lane count 2 clock 270000 bpp 18
>[   33.469752] [drm:intel_dp_compute_config] DP link bw required 253800 available 432000
>[   33.470573] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp: 18, dithering: 1
>[   33.471356] [drm:intel_dump_pipe_config] [CRTC:8][modeset] config for pipe A
>[   33.472132] [drm:intel_dump_pipe_config] cpu_transcoder: D
>[   33.472923] [drm:intel_dump_pipe_config] pipe bpp: 18, dithering: 1
>[   33.473705] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[   33.474463] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 4928307, gmch_n: 8388608, link_m: 273794, link_n: 524288, tu: 64
>[   33.475218] [drm:intel_dump_pipe_config] dp: 1, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[   33.475995] [drm:intel_dump_pipe_config] audio: 0, infoframes: 0
>[   33.476761] [drm:intel_dump_pipe_config] requested mode:
>[   33.477482] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[   33.478222] [drm:intel_dump_pipe_config] adjusted mode:
>[   33.478951] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[   33.479728] [drm:intel_dump_crtc_timings] crtc timings: 141000 1920 1936 1952 2104 1080 1083 1097 1116, type: 0x48 flags: 0xa
>[   33.480512] [drm:intel_dump_pipe_config] port clock: 270000
>[   33.481249] [drm:intel_dump_pipe_config] pipe src size: 1920x1080
>[   33.481976] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[   33.482740] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[   33.483496] [drm:intel_dump_pipe_config] ips: 1
>[   33.484207] [drm:intel_dump_pipe_config] double wide: 0
>[   33.484921] [drm:intel_crtc_set_config] [CRTC:12] [FB:41] #connectors=1 (x y) (0 0)
>[   33.485644] [drm:intel_set_config_compute_mode_changes] modes are different, full mode set
>[   33.486403] [drm:drm_mode_debug_printmodeline] Modeline 48:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[   33.487176] [drm:drm_mode_debug_printmodeline] Modeline 48:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[   33.487924] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:12], mode_changed=1, fb_changed=0
>[   33.488691] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [CRTC:8]
>[   33.489494] [drm:intel_modeset_stage_output_state] [CONNECTOR:43:DP-4] to [CRTC:12]
>[   33.490300] [drm:intel_modeset_stage_output_state] [CONNECTOR:64:DP-7] to [CRTC:16]
>[   33.491076] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 2, prepare: 2, disable: 0
>[   33.491853] [drm:connected_sink_compute_bpp] [CONNECTOR:43:DP-4] checking for sink bpp constrains
>[   33.492666] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp: 24, dithering: 0
>[   33.493493] [drm:intel_dump_pipe_config] [CRTC:12][modeset] config for pipe B
>[   33.494300] [drm:intel_dump_pipe_config] cpu_transcoder: B
>[   33.495109] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0
>[   33.495955] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[   33.496825] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 757304, gmch_n: 8388608, link_m: 126217, link_n: 1048576, tu: 6
>[   33.497680] [drm:intel_dump_pipe_config] dp: 1, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[   33.498542] [drm:intel_dump_pipe_config] audio: 0, infoframes: 0
>[   33.499437] [drm:intel_dump_pipe_config] requested mode:
>[   33.500337] [drm:drm_mode_debug_printmodeline] Modeline 0:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[   33.501228] [drm:intel_dump_pipe_config] adjusted mode:
>[   33.502118] [drm:drm_mode_debug_printmodeline] Modeline 0:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[   33.503063] [drm:intel_dump_crtc_timings] crtc timings: 65000 1024 1048 1184 1344 768 771 777 806, type: 0x40 flags: 0xa
>[   33.504022] [drm:intel_dump_pipe_config] port clock: 540000
>[   33.504950] [drm:intel_dump_pipe_config] pipe src size: 1024x768
>[   33.505906] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[   33.506881] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[   33.507831] [drm:intel_dump_pipe_config] ips: 0
>[   33.508773] [drm:intel_dump_pipe_config] double wide: 0
>[   33.515982] [drm:intel_mst_disable_dp] 2
>[   33.517424] [drm:drm_dp_destroy_payload_step1] 
>[   33.524677] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.531701] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.538865] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.545938] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.552993] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.560049] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.561479] [drm:drm_dp_send_sideband_msg] failed to dpcd write 10 -5
>[   33.562674] ------------[ cut here ]------------
>[   33.563599] WARNING: CPU: 0 PID: 128 at drivers/gpu/drm/drm_dp_mst_topology.c:1259 process_single_tx_qlock+0x5ee/0x650 [drm_kms_helper]()
>[   33.564527] fail
>[   33.565454] Modules linked in: snd_hda_codec_hdmi iTCO_wdt snd_hda_codec_generic x86_pkg_temp_thermal intel_powerclamp coretemp microcode psmouse thermal i915 cfbfillrect cfbimgblt i2c_algo_bit thinkpad_acpi cfbcopyarea snd_hda_intel drm_kms_helper snd_hda_controller nvram drm snd_hda_codec xhci_pci led_class ehci_pci ac battery snd_hwdep xhci_hcd i2c_core ehci_hcd snd_pcm intel_gtt snd_timer rtc_cmos agpgart snd video usbcore soundcore evdev lpc_ich usb_common mfd_core processor thermal_sys hwmon
>[   33.568651] CPU: 0 PID: 128 Comm: kworker/u16:2 Tainted: G        W      3.18.0-00343-gfc7bddc #11
>[   33.569722] Hardware name: LENOVO 20ARS36E00/20ARS36E00, BIOS GJET78WW (2.28 ) 07/29/2014
>[   33.570805] Workqueue: i915-dp i915_digport_work_func [i915]
>[   33.571850]  0000000000000009 ffff88030ad6f568 ffffffff814d7f92 ffff88031e20e558
>[   33.572937]  ffff88030ad6f5b8 ffff88030ad6f5a8 ffffffff8104e671 ffff88030ad6f5b0
>[   33.574017]  ffff88030ade48c0 0000000000001000 ffff88030ade48c0 000000000000000a
>[   33.575069] Call Trace:
>[   33.576156]  [<ffffffff814d7f92>] dump_stack+0x46/0x58
>[   33.577223]  [<ffffffff8104e671>] warn_slowpath_common+0x81/0xa0
>[   33.578264]  [<ffffffff8104e6d6>] warn_slowpath_fmt+0x46/0x50
>[   33.579337]  [<ffffffffa03c9a0e>] process_single_tx_qlock+0x5ee/0x650 [drm_kms_helper]
>[   33.580393]  [<ffffffff81098d00>] ? lockdep_init_map+0x580/0x5d0
>[   33.581433]  [<ffffffffa03c9be9>] ? drm_dp_queue_down_tx+0x29/0x80 [drm_kms_helper]
>[   33.582507]  [<ffffffffa03c8eb0>] ? build_allocate_payload+0x40/0x50 [drm_kms_helper]
>[   33.583551]  [<ffffffffa03c9ab2>] process_single_down_tx_qlock+0x42/0x150 [drm_kms_helper]
>[   33.584566]  [<ffffffffa03c9c2a>] drm_dp_queue_down_tx+0x6a/0x80 [drm_kms_helper]
>[   33.585571]  [<ffffffffa03cb6b1>] drm_dp_payload_send_msg.isra.13+0x81/0xe0 [drm_kms_helper]
>[   33.586610]  [<ffffffffa03cb887>] drm_dp_update_payload_part1+0x177/0x360 [drm_kms_helper]
>[   33.587644]  [<ffffffffa04c61de>] intel_mst_disable_dp+0x3e/0x80 [i915]
>[   33.588650]  [<ffffffffa049e99b>] haswell_crtc_disable+0x1cb/0x3a0 [i915]
>[   33.589692]  [<ffffffffa049f6cc>] __intel_set_mode+0x98c/0xb50 [i915]
>[   33.590707]  [<ffffffffa04a632f>] intel_crtc_set_config+0xc7f/0x1040 [i915]
>[   33.591714]  [<ffffffffa03590ed>] ? drm_modeset_lock+0x3d/0x110 [drm]
>[   33.592755]  [<ffffffffa0349f69>] drm_mode_set_config_internal+0x69/0x120 [drm]
>[   33.593770]  [<ffffffffa03d0613>] restore_fbdev_mode+0xd3/0x100 [drm_kms_helper]
>[   33.594756]  [<ffffffffa03d0663>] drm_fb_helper_restore_fbdev_mode_unlocked+0x23/0x40 [drm_kms_helper]
>[   33.595764]  [<ffffffffa03d2448>] drm_fb_helper_set_par+0x28/0x70 [drm_kms_helper]
>[   33.596757]  [<ffffffffa03d23d1>] drm_fb_helper_hotplug_event+0x91/0xe0 [drm_kms_helper]
>[   33.597731]  [<ffffffffa04b50ce>] intel_fbdev_output_poll_changed+0x1e/0x30 [i915]
>[   33.598706]  [<ffffffffa03c75db>] drm_kms_helper_hotplug_event+0x2b/0x40 [drm_kms_helper]
>[   33.599742]  [<ffffffffa04c5ad5>] intel_dp_mst_hotplug+0x15/0x20 [i915]
>[   33.600744]  [<ffffffffa03ccee1>] drm_dp_mst_handle_up_req+0x271/0x500 [drm_kms_helper]
>[   33.601725]  [<ffffffffa03cd1c3>] drm_dp_mst_hpd_irq+0x53/0x9f0 [drm_kms_helper]
>[   33.602744]  [<ffffffffa04c3a75>] intel_dp_check_mst_status+0xb5/0x250 [i915]
>[   33.603739]  [<ffffffffa04c4819>] intel_dp_hpd_pulse+0x199/0x2a0 [i915]
>[   33.604713]  [<ffffffffa046e1af>] i915_digport_work_func+0x8f/0x110 [i915]
>[   33.605686]  [<ffffffff81065fc2>] process_one_work+0x1b2/0x490
>[   33.606681]  [<ffffffff81065f51>] ? process_one_work+0x141/0x490
>[   33.607669]  [<ffffffff81066b1b>] worker_thread+0x6b/0x4a0
>[   33.608618]  [<ffffffff8109787d>] ? trace_hardirqs_on+0xd/0x10
>[   33.609593]  [<ffffffff81066ab0>] ? init_pwq+0xf0/0xf0
>[   33.610568]  [<ffffffff8106bba6>] kthread+0xf6/0x110
>[   33.611498]  [<ffffffff814de560>] ? _raw_spin_unlock_irq+0x30/0x40
>[   33.612448]  [<ffffffff8106bab0>] ? kthread_create_on_node+0x220/0x220
>[   33.613387]  [<ffffffff814defec>] ret_from_fork+0x7c/0xb0
>[   33.614280]  [<ffffffff8106bab0>] ? kthread_create_on_node+0x220/0x220
>[   33.615167] ---[ end trace 2bb04b47e83116ab ]---
>[   33.616084] [drm:process_single_tx_qlock] sideband msg failed to send
>[   33.617005] [drm:process_single_down_tx_qlock] failed to send msg in q -5
>[   33.618567] [drm:drm_dp_update_payload_part1] removing payload 0
>[   33.632487] [drm:intel_mst_post_disable_dp] 2
>[   33.634270] [drm:drm_dp_update_payload_part2] payload 0 2
>[   33.635175] [drm:drm_dp_mst_put_payload_id] putting payload 1
>[   33.636163] [drm:intel_mst_pre_enable_dp] 1
>[   33.637073] [drm:drm_dp_mst_allocate_vcpi] initing vcpi for 233 6
>[   33.638662] [drm:intel_mst_enable_dp] 2
>[   33.639790] [drm:drm_dp_update_payload_part2] payload 0 2
>[   33.640721] [drm:drm_dp_update_payload_part2] payload 1 1
>[   33.647296] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.654314] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.661392] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.668426] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.675435] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.682409] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.683594] [drm:drm_dp_send_sideband_msg] failed to dpcd write 10 -5
>[   33.684369] ------------[ cut here ]------------
>[   33.685108] WARNING: CPU: 0 PID: 128 at drivers/gpu/drm/drm_dp_mst_topology.c:1259 process_single_tx_qlock+0x5ee/0x650 [drm_kms_helper]()
>[   33.685899] fail
>[   33.686676] Modules linked in: snd_hda_codec_hdmi iTCO_wdt snd_hda_codec_generic x86_pkg_temp_thermal intel_powerclamp coretemp microcode psmouse thermal i915 cfbfillrect cfbimgblt i2c_algo_bit thinkpad_acpi cfbcopyarea snd_hda_intel drm_kms_helper snd_hda_controller nvram drm snd_hda_codec xhci_pci led_class ehci_pci ac battery snd_hwdep xhci_hcd i2c_core ehci_hcd snd_pcm intel_gtt snd_timer rtc_cmos agpgart snd video usbcore soundcore evdev lpc_ich usb_common mfd_core processor thermal_sys hwmon
>[   33.689301] CPU: 0 PID: 128 Comm: kworker/u16:2 Tainted: G        W      3.18.0-00343-gfc7bddc #11
>[   33.690201] Hardware name: LENOVO 20ARS36E00/20ARS36E00, BIOS GJET78WW (2.28 ) 07/29/2014
>[   33.691085] Workqueue: i915-dp i915_digport_work_func [i915]
>[   33.691960]  0000000000000009 ffff88030ad6f548 ffffffff814d7f92 ffff88031e20e558
>[   33.692882]  ffff88030ad6f598 ffff88030ad6f588 ffffffff8104e671 ffff88030ad6f590
>[   33.693806]  ffff88030ade48c0 0000000000001000 ffff88030ade48c0 000000000000000a
>[   33.694697] Call Trace:
>[   33.695576]  [<ffffffff814d7f92>] dump_stack+0x46/0x58
>[   33.696499]  [<ffffffff8104e671>] warn_slowpath_common+0x81/0xa0
>[   33.697396]  [<ffffffff8104e6d6>] warn_slowpath_fmt+0x46/0x50
>[   33.698268]  [<ffffffffa03c9a0e>] process_single_tx_qlock+0x5ee/0x650 [drm_kms_helper]
>[   33.699173]  [<ffffffff8109a7e9>] ? __lock_acquire+0x1a99/0x21d0
>[   33.700075]  [<ffffffffa03c9be9>] ? drm_dp_queue_down_tx+0x29/0x80 [drm_kms_helper]
>[   33.700951]  [<ffffffffa03c8eb0>] ? build_allocate_payload+0x40/0x50 [drm_kms_helper]
>[   33.701826]  [<ffffffffa03c9ab2>] process_single_down_tx_qlock+0x42/0x150 [drm_kms_helper]
>[   33.702746]  [<ffffffffa03c9c2a>] drm_dp_queue_down_tx+0x6a/0x80 [drm_kms_helper]
>[   33.703647]  [<ffffffffa03cb6b1>] drm_dp_payload_send_msg.isra.13+0x81/0xe0 [drm_kms_helper]
>[   33.704531]  [<ffffffffa03cbb54>] drm_dp_update_payload_part2+0xe4/0x160 [drm_kms_helper]
>[   33.705425]  [<ffffffffa04c5ed5>] intel_mst_enable_dp+0xe5/0x110 [i915]
>[   33.706357]  [<ffffffffa04a263b>] haswell_crtc_enable+0x5eb/0xad0 [i915]
>[   33.707265]  [<ffffffffa049f562>] __intel_set_mode+0x822/0xb50 [i915]
>[   33.708147]  [<ffffffffa04a632f>] intel_crtc_set_config+0xc7f/0x1040 [i915]
>[   33.709046]  [<ffffffffa03590ed>] ? drm_modeset_lock+0x3d/0x110 [drm]
>[   33.709942]  [<ffffffffa0349f69>] drm_mode_set_config_internal+0x69/0x120 [drm]
>[   33.710817]  [<ffffffffa03d0613>] restore_fbdev_mode+0xd3/0x100 [drm_kms_helper]
>[   33.711688]  [<ffffffffa03d0663>] drm_fb_helper_restore_fbdev_mode_unlocked+0x23/0x40 [drm_kms_helper]
>[   33.712607]  [<ffffffffa03d2448>] drm_fb_helper_set_par+0x28/0x70 [drm_kms_helper]
>[   33.713502]  [<ffffffffa03d23d1>] drm_fb_helper_hotplug_event+0x91/0xe0 [drm_kms_helper]
>[   33.714382]  [<ffffffffa04b50ce>] intel_fbdev_output_poll_changed+0x1e/0x30 [i915]
>[   33.715257]  [<ffffffffa03c75db>] drm_kms_helper_hotplug_event+0x2b/0x40 [drm_kms_helper]
>[   33.716187]  [<ffffffffa04c5ad5>] intel_dp_mst_hotplug+0x15/0x20 [i915]
>[   33.717088]  [<ffffffffa03ccee1>] drm_dp_mst_handle_up_req+0x271/0x500 [drm_kms_helper]
>[   33.717974]  [<ffffffffa03cd1c3>] drm_dp_mst_hpd_irq+0x53/0x9f0 [drm_kms_helper]
>[   33.718868]  [<ffffffffa04c3a75>] intel_dp_check_mst_status+0xb5/0x250 [i915]
>[   33.719807]  [<ffffffffa04c4819>] intel_dp_hpd_pulse+0x199/0x2a0 [i915]
>[   33.720722]  [<ffffffffa046e1af>] i915_digport_work_func+0x8f/0x110 [i915]
>[   33.721616]  [<ffffffff81065fc2>] process_one_work+0x1b2/0x490
>[   33.722540]  [<ffffffff81065f51>] ? process_one_work+0x141/0x490
>[   33.723463]  [<ffffffff81066b1b>] worker_thread+0x6b/0x4a0
>[   33.724355]  [<ffffffff8109787d>] ? trace_hardirqs_on+0xd/0x10
>[   33.725245]  [<ffffffff81066ab0>] ? init_pwq+0xf0/0xf0
>[   33.726162]  [<ffffffff8106bba6>] kthread+0xf6/0x110
>[   33.727074]  [<ffffffff814de560>] ? _raw_spin_unlock_irq+0x30/0x40
>[   33.727953]  [<ffffffff8106bab0>] ? kthread_create_on_node+0x220/0x220
>[   33.728833]  [<ffffffff814defec>] ret_from_fork+0x7c/0xb0
>[   33.729735]  [<ffffffff8106bab0>] ? kthread_create_on_node+0x220/0x220
>[   33.730640] ---[ end trace 2bb04b47e83116ac ]---
>[   33.731514] [drm:process_single_tx_qlock] sideband msg failed to send
>[   33.732425] [drm:process_single_down_tx_qlock] failed to send msg in q -5
>[   33.739126] [drm:ironlake_update_primary_plane] Writing base 00191000 00000000 0 0 7680
>[   33.740555] [drm:intel_connector_check_state] [CONNECTOR:19:eDP-1]
>[   33.741739] [drm:intel_connector_check_state] [CONNECTOR:43:DP-4]
>[   33.742695] [drm:intel_connector_check_state] [CONNECTOR:64:DP-7]
>[   33.743602] [drm:check_encoder_state] [ENCODER:18:TMDS-18]
>[   33.744488] [drm:check_encoder_state] [ENCODER:26:TMDS-26]
>[   33.745374] [drm:check_encoder_state] [ENCODER:28:DP MST-28]
>[   33.746293] [drm:check_encoder_state] [ENCODER:29:DP MST-29]
>[   33.747212] [drm:check_encoder_state] [ENCODER:30:DP MST-30]
>[   33.748101] [drm:check_encoder_state] [ENCODER:33:TMDS-33]
>[   33.748994] [drm:check_encoder_state] [ENCODER:35:DP MST-35]
>[   33.749913] [drm:check_encoder_state] [ENCODER:36:DP MST-36]
>[   33.750819] [drm:check_encoder_state] [ENCODER:37:DP MST-37]
>[   33.751668] [drm:check_crtc_state] [CRTC:8]
>[   33.752549] [drm:check_crtc_state] [CRTC:12]
>[   33.753357] [drm:check_crtc_state] [CRTC:16]
>[   33.754102] [drm:check_shared_dpll_state] WRPLL 1
>[   33.754797] [drm:check_shared_dpll_state] WRPLL 2
>[   33.755484] [drm:intel_crtc_set_config] [CRTC:16] [NOFB]
>[   33.756184] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:16], mode_changed=1, fb_changed=0
>[   33.756903] [drm:intel_modeset_stage_output_state] [CONNECTOR:64:DP-7] to [NOCRTC]
>[   33.757586] [drm:intel_modeset_stage_output_state] encoder changed, full mode switch
>[   33.758270] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [CRTC:8]
>[   33.758951] [drm:intel_modeset_stage_output_state] [CONNECTOR:43:DP-4] to [CRTC:12]
>[   33.759652] [drm:intel_modeset_stage_output_state] crtc changed, full mode switch
>[   33.760355] [drm:intel_modeset_stage_output_state] crtc disabled, full mode switch
>[   33.761022] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 0, prepare: 0, disable: 4
>[   33.765763] [drm:intel_mst_disable_dp] 2
>[   33.766836] [drm:drm_dp_destroy_payload_step1] 
>[   33.773311] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.779831] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.786350] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.792912] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.799472] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.805989] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.806953] [drm:drm_dp_send_sideband_msg] failed to dpcd write 9 -5
>[   33.807861] ------------[ cut here ]------------
>[   33.808619] WARNING: CPU: 0 PID: 128 at drivers/gpu/drm/drm_dp_mst_topology.c:1259 process_single_tx_qlock+0x5ee/0x650 [drm_kms_helper]()
>[   33.809344] fail
>[   33.810008] Modules linked in: snd_hda_codec_hdmi iTCO_wdt snd_hda_codec_generic x86_pkg_temp_thermal intel_powerclamp coretemp microcode psmouse thermal i915 cfbfillrect cfbimgblt i2c_algo_bit thinkpad_acpi cfbcopyarea snd_hda_intel drm_kms_helper snd_hda_controller nvram drm snd_hda_codec xhci_pci led_class ehci_pci ac battery snd_hwdep xhci_hcd i2c_core ehci_hcd snd_pcm intel_gtt snd_timer rtc_cmos agpgart snd video usbcore soundcore evdev lpc_ich usb_common mfd_core processor thermal_sys hwmon
>[   33.812284] CPU: 0 PID: 128 Comm: kworker/u16:2 Tainted: G        W      3.18.0-00343-gfc7bddc #11
>[   33.813076] Hardware name: LENOVO 20ARS36E00/20ARS36E00, BIOS GJET78WW (2.28 ) 07/29/2014
>[   33.813880] Workqueue: i915-dp i915_digport_work_func [i915]
>[   33.814645]  0000000000000009 ffff88030ad6f568 ffffffff814d7f92 0000000000000007
>[   33.815419]  ffff88030ad6f5b8 ffff88030ad6f5a8 ffffffff8104e671 ffff88030ad6f5b0
>[   33.816218]  ffff88030ade48c0 0000000000001000 ffff88030ade48c0 0000000000000009
>[   33.817018] Call Trace:
>[   33.817773]  [<ffffffff814d7f92>] dump_stack+0x46/0x58
>[   33.818534]  [<ffffffff8104e671>] warn_slowpath_common+0x81/0xa0
>[   33.819323]  [<ffffffff8104e6d6>] warn_slowpath_fmt+0x46/0x50
>[   33.820108]  [<ffffffffa03c9a0e>] process_single_tx_qlock+0x5ee/0x650 [drm_kms_helper]
>[   33.820871]  [<ffffffff810978a1>] ? lockdep_count_forward_deps+0x21/0xd0
>[   33.821634]  [<ffffffffa03c9be9>] ? drm_dp_queue_down_tx+0x29/0x80 [drm_kms_helper]
>[   33.822443]  [<ffffffffa03c8eb0>] ? build_allocate_payload+0x40/0x50 [drm_kms_helper]
>[   33.823238]  [<ffffffffa03c9ab2>] process_single_down_tx_qlock+0x42/0x150 [drm_kms_helper]
>[   33.824019]  [<ffffffffa03c9c2a>] drm_dp_queue_down_tx+0x6a/0x80 [drm_kms_helper]
>[   33.824804]  [<ffffffffa03cb6b1>] drm_dp_payload_send_msg.isra.13+0x81/0xe0 [drm_kms_helper]
>[   33.825597]  [<ffffffffa03cb887>] drm_dp_update_payload_part1+0x177/0x360 [drm_kms_helper]
>[   33.826443]  [<ffffffffa04c61de>] intel_mst_disable_dp+0x3e/0x80 [i915]
>[   33.827269]  [<ffffffffa049e99b>] haswell_crtc_disable+0x1cb/0x3a0 [i915]
>[   33.828073]  [<ffffffffa049f5f4>] __intel_set_mode+0x8b4/0xb50 [i915]
>[   33.828876]  [<ffffffffa04a632f>] intel_crtc_set_config+0xc7f/0x1040 [i915]
>[   33.829723]  [<ffffffffa03590ed>] ? drm_modeset_lock+0x3d/0x110 [drm]
>[   33.830539]  [<ffffffffa0349f69>] drm_mode_set_config_internal+0x69/0x120 [drm]
>[   33.831337]  [<ffffffffa03d0613>] restore_fbdev_mode+0xd3/0x100 [drm_kms_helper]
>[   33.832130]  [<ffffffffa03d0663>] drm_fb_helper_restore_fbdev_mode_unlocked+0x23/0x40 [drm_kms_helper]
>[   33.832971]  [<ffffffffa03d2448>] drm_fb_helper_set_par+0x28/0x70 [drm_kms_helper]
>[   33.833796]  [<ffffffffa03d23d1>] drm_fb_helper_hotplug_event+0x91/0xe0 [drm_kms_helper]
>[   33.834616]  [<ffffffffa04b50ce>] intel_fbdev_output_poll_changed+0x1e/0x30 [i915]
>[   33.835432]  [<ffffffffa03c75db>] drm_kms_helper_hotplug_event+0x2b/0x40 [drm_kms_helper]
>[   33.836309]  [<ffffffffa04c5ad5>] intel_dp_mst_hotplug+0x15/0x20 [i915]
>[   33.837164]  [<ffffffffa03ccee1>] drm_dp_mst_handle_up_req+0x271/0x500 [drm_kms_helper]
>[   33.838016]  [<ffffffffa03cd1c3>] drm_dp_mst_hpd_irq+0x53/0x9f0 [drm_kms_helper]
>[   33.838880]  [<ffffffffa04c3a75>] intel_dp_check_mst_status+0xb5/0x250 [i915]
>[   33.839794]  [<ffffffffa04c4819>] intel_dp_hpd_pulse+0x199/0x2a0 [i915]
>[   33.840689]  [<ffffffffa046e1af>] i915_digport_work_func+0x8f/0x110 [i915]
>[   33.841566]  [<ffffffff81065fc2>] process_one_work+0x1b2/0x490
>[   33.842478]  [<ffffffff81065f51>] ? process_one_work+0x141/0x490
>[   33.843391]  [<ffffffff81066b1b>] worker_thread+0x6b/0x4a0
>[   33.844278]  [<ffffffff8109787d>] ? trace_hardirqs_on+0xd/0x10
>[   33.845174]  [<ffffffff81066ab0>] ? init_pwq+0xf0/0xf0
>[   33.846098]  [<ffffffff8106bba6>] kthread+0xf6/0x110
>[   33.847029]  [<ffffffff814de560>] ? _raw_spin_unlock_irq+0x30/0x40
>[   33.847931]  [<ffffffff8106bab0>] ? kthread_create_on_node+0x220/0x220
>[   33.848824]  [<ffffffff814defec>] ret_from_fork+0x7c/0xb0
>[   33.849733]  [<ffffffff8106bab0>] ? kthread_create_on_node+0x220/0x220
>[   33.850648] ---[ end trace 2bb04b47e83116ad ]---
>[   33.851532] [drm:process_single_tx_qlock] sideband msg failed to send
>[   33.852457] [drm:process_single_down_tx_qlock] failed to send msg in q -5
>[   33.853946] [drm:drm_dp_update_payload_part1] removing payload 0
>[   33.865735] [drm:intel_mst_post_disable_dp] 2
>[   33.867336] [drm:drm_dp_update_payload_part2] payload 0 1
>[   33.874030] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.881175] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.888089] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.895091] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.902086] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.908991] [drm:drm_dp_dpcd_access] too many retries, giving up
>[   33.910320] [drm:drm_dp_send_sideband_msg] failed to dpcd write 10 -5
>[   33.911378] ------------[ cut here ]------------
>[   33.912345] WARNING: CPU: 0 PID: 128 at drivers/gpu/drm/drm_dp_mst_topology.c:1259 process_single_tx_qlock+0x5ee/0x650 [drm_kms_helper]()
>[   33.913293] fail
>[   33.914192] Modules linked in: snd_hda_codec_hdmi iTCO_wdt snd_hda_codec_generic x86_pkg_temp_thermal intel_powerclamp coretemp microcode psmouse thermal i915 cfbfillrect cfbimgblt i2c_algo_bit thinkpad_acpi cfbcopyarea snd_hda_intel drm_kms_helper snd_hda_controller nvram drm snd_hda_codec xhci_pci led_class ehci_pci ac battery snd_hwdep xhci_hcd i2c_core ehci_hcd snd_pcm intel_gtt snd_timer rtc_cmos agpgart snd video usbcore soundcore evdev lpc_ich usb_common mfd_core processor thermal_sys hwmon
>[   33.917183] CPU: 0 PID: 128 Comm: kworker/u16:2 Tainted: G        W      3.18.0-00343-gfc7bddc #11
>[   33.918092] Hardware name: LENOVO 20ARS36E00/20ARS36E00, BIOS GJET78WW (2.28 ) 07/29/2014
>[   33.919051] Workqueue: i915-dp i915_digport_work_func [i915]
>[   33.919971]  0000000000000009 ffff88030ad6f578 ffffffff814d7f92 ffff88031e20e558
>[   33.920880]  ffff88030ad6f5c8 ffff88030ad6f5b8 ffffffff8104e671 ffff88030ad6f5c0
>[   33.921780]  ffff88030ade48c0 0000000000001000 ffff88030ade48c0 000000000000000a
>[   33.922716] Call Trace:
>[   33.923639]  [<ffffffff814d7f92>] dump_stack+0x46/0x58
>[   33.924532]  [<ffffffff8104e671>] warn_slowpath_common+0x81/0xa0
>[   33.925424]  [<ffffffff8104e6d6>] warn_slowpath_fmt+0x46/0x50
>[   33.926353]  [<ffffffffa03c9a0e>] process_single_tx_qlock+0x5ee/0x650 [drm_kms_helper]
>[   33.927277]  [<ffffffff8109a7e9>] ? __lock_acquire+0x1a99/0x21d0
>[   33.928175]  [<ffffffffa03c9be9>] ? drm_dp_queue_down_tx+0x29/0x80 [drm_kms_helper]
>[   33.929116]  [<ffffffffa03c8eb0>] ? build_allocate_payload+0x40/0x50 [drm_kms_helper]
>[   33.930035]  [<ffffffffa03c9ab2>] process_single_down_tx_qlock+0x42/0x150 [drm_kms_helper]
>[   33.930938]  [<ffffffffa03c9c2a>] drm_dp_queue_down_tx+0x6a/0x80 [drm_kms_helper]
>[   33.931839]  [<ffffffffa03cb6b1>] drm_dp_payload_send_msg.isra.13+0x81/0xe0 [drm_kms_helper]
>[   33.932785]  [<ffffffffa03cbb54>] drm_dp_update_payload_part2+0xe4/0x160 [drm_kms_helper]
>[   33.933715]  [<ffffffffa04c6131>] intel_mst_post_disable_dp+0x41/0xb0 [i915]
>[   33.934623]  [<ffffffffa049e8f7>] haswell_crtc_disable+0x127/0x3a0 [i915]
>[   33.935527]  [<ffffffffa049f5f4>] __intel_set_mode+0x8b4/0xb50 [i915]
>[   33.936470]  [<ffffffffa04a632f>] intel_crtc_set_config+0xc7f/0x1040 [i915]
>[   33.937394]  [<ffffffffa03590ed>] ? drm_modeset_lock+0x3d/0x110 [drm]
>[   33.938295]  [<ffffffffa0349f69>] drm_mode_set_config_internal+0x69/0x120 [drm]
>[   33.939235]  [<ffffffffa03d0613>] restore_fbdev_mode+0xd3/0x100 [drm_kms_helper]
>[   33.940154]  [<ffffffffa03d0663>] drm_fb_helper_restore_fbdev_mode_unlocked+0x23/0x40 [drm_kms_helper]
>[   33.941064]  [<ffffffffa03d2448>] drm_fb_helper_set_par+0x28/0x70 [drm_kms_helper]
>[   33.941965]  [<ffffffffa03d23d1>] drm_fb_helper_hotplug_event+0x91/0xe0 [drm_kms_helper]
>[   33.942915]  [<ffffffffa04b50ce>] intel_fbdev_output_poll_changed+0x1e/0x30 [i915]
>[   33.943838]  [<ffffffffa03c75db>] drm_kms_helper_hotplug_event+0x2b/0x40 [drm_kms_helper]
>[   33.944750]  [<ffffffffa04c5ad5>] intel_dp_mst_hotplug+0x15/0x20 [i915]
>[   33.945690]  [<ffffffffa03ccee1>] drm_dp_mst_handle_up_req+0x271/0x500 [drm_kms_helper]
>[   33.946612]  [<ffffffffa03cd1c3>] drm_dp_mst_hpd_irq+0x53/0x9f0 [drm_kms_helper]
>[   33.947517]  [<ffffffffa04c3a75>] intel_dp_check_mst_status+0xb5/0x250 [i915]
>[   33.948423]  [<ffffffffa04c4819>] intel_dp_hpd_pulse+0x199/0x2a0 [i915]
>[   33.949364]  [<ffffffffa046e1af>] i915_digport_work_func+0x8f/0x110 [i915]
>[   33.950282]  [<ffffffff81065fc2>] process_one_work+0x1b2/0x490
>[   33.951176]  [<ffffffff81065f51>] ? process_one_work+0x141/0x490
>[   33.952067]  [<ffffffff81066b1b>] worker_thread+0x6b/0x4a0
>[   33.952988]  [<ffffffff8109787d>] ? trace_hardirqs_on+0xd/0x10
>[   33.953909]  [<ffffffff81066ab0>] ? init_pwq+0xf0/0xf0
>[   33.954798]  [<ffffffff8106bba6>] kthread+0xf6/0x110
>[   33.955714]  [<ffffffff814de560>] ? _raw_spin_unlock_irq+0x30/0x40
>[   33.956635]  [<ffffffff8106bab0>] ? kthread_create_on_node+0x220/0x220
>[   33.957530]  [<ffffffff814defec>] ret_from_fork+0x7c/0xb0
>[   33.958437]  [<ffffffff8106bab0>] ? kthread_create_on_node+0x220/0x220
>[   33.959360] ---[ end trace 2bb04b47e83116ae ]---
>[   33.960285] [drm:process_single_tx_qlock] sideband msg failed to send
>[   33.961182] [drm:process_single_down_tx_qlock] failed to send msg in q -5
>[   33.962082] [drm:drm_dp_mst_put_payload_id] putting payload 2
>[   33.963045] [drm:intel_connector_check_state] [CONNECTOR:19:eDP-1]
>[   33.963965] [drm:intel_connector_check_state] [CONNECTOR:43:DP-4]
>[   33.964850] [drm:check_encoder_state] [ENCODER:18:TMDS-18]
>[   33.965766] [drm:check_encoder_state] [ENCODER:26:TMDS-26]
>[   33.966675] [drm:check_encoder_state] [ENCODER:28:DP MST-28]
>[   33.967556] [drm:check_encoder_state] [ENCODER:29:DP MST-29]
>[   33.968438] [drm:check_encoder_state] [ENCODER:30:DP MST-30]
>[   33.969349] [drm:check_encoder_state] [ENCODER:33:TMDS-33]
>[   33.970266] [drm:check_encoder_state] [ENCODER:35:DP MST-35]
>[   33.971153] [drm:check_encoder_state] [ENCODER:36:DP MST-36]
>[   33.972031] [drm:check_encoder_state] [ENCODER:37:DP MST-37]
>[   33.972931] [drm:check_crtc_state] [CRTC:8]
>[   33.973817] [drm:check_crtc_state] [CRTC:12]
>[   33.974646] [drm:check_crtc_state] [CRTC:16]
>[   33.975424] [drm:check_shared_dpll_state] WRPLL 1
>[   33.976188] [drm:check_shared_dpll_state] WRPLL 2
>[   33.977625] [drm:intel_dp_check_mst_status] got esi2 01 10 00
>[   33.977844] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00400000, dig 0x10101110
>[   33.977845] [drm:intel_hpd_irq_handler] digital hpd port C - short
>[   33.979745] [drm:intel_dp_check_mst_status] got esi 01 10 00
>[   33.980768] [drm:drm_dp_mst_handle_down_rep] Got MST reply with no msg ffff8803099ff300 1 2 20 22
>[   33.982168] [drm:intel_dp_check_mst_status] got esi2 01 00 00
>[   33.982895] [drm:intel_dp_check_mst_status] got esi 01 00 00
>[   33.983604] [drm:intel_dp_hpd_pulse] got hpd irq on port C - short
>[   33.984783] [drm:intel_dp_check_mst_status] got esi 01 00 00

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