REGRESSION: OOPS: Intel Corporation Core Processor Integrated Graphics Controller, Linux HEAD when powering off internal Laptop display on t410s and extending and rotating external screen

Daniel Vetter daniel at ffwll.ch
Tue Apr 22 01:28:34 PDT 2014


On Thu, Apr 17, 2014 at 05:06:24PM +0300, Jani Nikula wrote:
> On Thu, 17 Apr 2014, Thomas Glanzmann <thomas at glanzmann.de> wrote:
> > Hello,
> > I have t410s with an internal Intel graphic card. I have the
> > Laptop display (LVDS1) and an external HP ZR2440W Monitor connected to
> > the Display port. I pulled yesterday git head which probably contains a
> > DRI changes which lead to PANIC. Before that even with a 3.15.0-rc1+ it
> > was working.
> 
> Hi Thomas, please bisect, it's likely the quickest way to root cause
> this. (Google for "git bisect kernel" for a bunch of guides on the topic
> if you're not familiar with bisect.)

We'd also need a dmesg with drm.debug=0xe added to your kernel cmdline
line to debug these pipe config mismatch issues. The dmesg should cover
everything from boot up to the very first WARNING.
-Daniel

> 
> BR,
> Jani.
> 
> 
> >
> > The internal display is at 1440x900, the external as well, both are not
> > rotated. I want to disable the internal display, change the resolution
> > of the external display to 1920x1200 and rotate it. So I execute the
> > commands:
> >
> > xrandr --output DP1 --mode 1920x1200
> > xrandr --output LVDS1 --off
> > xrandr -o 1
> >
> > If I do that I get:
> >
> > [    0.000000] Initializing cgroup subsys cpuset
> > [    0.000000] Initializing cgroup subsys cpu
> > [    0.000000] Initializing cgroup subsys cpuacct
> > [    0.000000] Linux version 3.15.0-rc1+ (sithglan at lenovo) (gcc version 4.7.2 (Debian 4.7.2-5) ) #66 SMP Wed Apr 16 17:16:33 CEST 2014
> > [    0.000000] Command line: BOOT_IMAGE=/home/sithglan/work/linux-2.6/arch/x86/boot/bzImage root=UUID=e79cc073-026a-4671-a065-63e2391ff974 ro nomodeset intel.modeset=0
> > [    0.000000] e820: BIOS-provided physical RAM map:
> > [    0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009e7ff] usable
> > [    0.000000] BIOS-e820: [mem 0x000000000009e800-0x000000000009ffff] reserved
> > [    0.000000] BIOS-e820: [mem 0x00000000000dc000-0x00000000000fffff] reserved
> > [    0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000bb27bfff] usable
> > [    0.000000] BIOS-e820: [mem 0x00000000bb27c000-0x00000000bb281fff] reserved
> > [    0.000000] BIOS-e820: [mem 0x00000000bb282000-0x00000000bb35efff] usable
> > [    0.000000] BIOS-e820: [mem 0x00000000bb35f000-0x00000000bb370fff] reserved
> > [    0.000000] BIOS-e820: [mem 0x00000000bb371000-0x00000000bb3f1fff] ACPI NVS
> > [    0.000000] BIOS-e820: [mem 0x00000000bb3f2000-0x00000000bb40efff] reserved
> > [    0.000000] BIOS-e820: [mem 0x00000000bb40f000-0x00000000bb46efff] usable
> > [    0.000000] BIOS-e820: [mem 0x00000000bb46f000-0x00000000bb667fff] reserved
> > [    0.000000] BIOS-e820: [mem 0x00000000bb668000-0x00000000bb6e7fff] ACPI NVS
> > [    0.000000] BIOS-e820: [mem 0x00000000bb6e8000-0x00000000bb70efff] reserved
> > [    0.000000] BIOS-e820: [mem 0x00000000bb70f000-0x00000000bb716fff] usable
> > [    0.000000] BIOS-e820: [mem 0x00000000bb717000-0x00000000bb71efff] reserved
> > [    0.000000] BIOS-e820: [mem 0x00000000bb71f000-0x00000000bb76afff] usable
> > [    0.000000] BIOS-e820: [mem 0x00000000bb76b000-0x00000000bb776fff] ACPI NVS
> > [    0.000000] BIOS-e820: [mem 0x00000000bb777000-0x00000000bb779fff] ACPI data
> > [    0.000000] BIOS-e820: [mem 0x00000000bb77a000-0x00000000bb780fff] ACPI NVS
> > [    0.000000] BIOS-e820: [mem 0x00000000bb781000-0x00000000bb781fff] ACPI data
> > [    0.000000] BIOS-e820: [mem 0x00000000bb782000-0x00000000bb78afff] ACPI NVS
> > [    0.000000] BIOS-e820: [mem 0x00000000bb78b000-0x00000000bb78bfff] ACPI data
> > [    0.000000] BIOS-e820: [mem 0x00000000bb78c000-0x00000000bb79efff] ACPI NVS
> > [    0.000000] BIOS-e820: [mem 0x00000000bb79f000-0x00000000bb7fefff] ACPI data
> > [    0.000000] BIOS-e820: [mem 0x00000000bb7ff000-0x00000000bb7fffff] usable
> > [    0.000000] BIOS-e820: [mem 0x00000000bb800000-0x00000000bfffffff] reserved
> > [    0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000efffffff] reserved
> > [    0.000000] BIOS-e820: [mem 0x00000000feaff000-0x00000000feafffff] reserved
> > [    0.000000] BIOS-e820: [mem 0x00000000fec00000-0x00000000fec0ffff] reserved
> > [    0.000000] BIOS-e820: [mem 0x00000000fed00000-0x00000000fed003ff] reserved
> > [    0.000000] BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed8ffff] reserved
> > [    0.000000] BIOS-e820: [mem 0x00000000fee00000-0x00000000fee00fff] reserved
> > [    0.000000] BIOS-e820: [mem 0x00000000ff000000-0x00000000ffffffff] reserved
> > [    0.000000] BIOS-e820: [mem 0x0000000100000000-0x0000000137ffffff] usable
> > [    0.000000] NX (Execute Disable) protection: active
> > [    0.000000] SMBIOS 2.6 present.
> > [    0.000000] DMI: LENOVO 2912W1C/2912W1C, BIOS 6UET70WW (1.50 ) 10/11/2012
> > [    0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
> > [    0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable
> > [    0.000000] No AGP bridge found
> > [    0.000000] e820: last_pfn = 0x138000 max_arch_pfn = 0x400000000
> > [    0.000000] MTRR default type: uncachable
> > [    0.000000] MTRR fixed ranges enabled:
> > [    0.000000]   00000-9FFFF write-back
> > [    0.000000]   A0000-BFFFF uncachable
> > [    0.000000]   C0000-FFFFF write-protect
> > [    0.000000] MTRR variable ranges enabled:
> > [    0.000000]   0 disabled
> > [    0.000000]   1 base 000000000 mask F80000000 write-back
> > [    0.000000]   2 base 080000000 mask FC0000000 write-back
> > [    0.000000]   3 base 100000000 mask FC0000000 write-back
> > [    0.000000]   4 base 138000000 mask FF8000000 uncachable
> > [    0.000000]   5 base 0BC000000 mask FFC000000 uncachable
> > [    0.000000]   6 disabled
> > [    0.000000]   7 disabled
> > [    0.000000] x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106
> > [    0.000000] e820: update [mem 0xbc000000-0xffffffff] usable ==> reserved
> > [    0.000000] e820: last_pfn = 0xbb800 max_arch_pfn = 0x400000000
> > [    0.000000] found SMP MP-table at [mem 0x000f68e0-0x000f68ef] mapped at [ffff8800000f68e0]
> > [    0.000000] Base memory trampoline at [ffff880000098000] 98000 size 24576
> > [    0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff]
> > [    0.000000]  [mem 0x00000000-0x000fffff] page 4k
> > [    0.000000] BRK [0x01861000, 0x01861fff] PGTABLE
> > [    0.000000] BRK [0x01862000, 0x01862fff] PGTABLE
> > [    0.000000] BRK [0x01863000, 0x01863fff] PGTABLE
> > [    0.000000] init_memory_mapping: [mem 0x137e00000-0x137ffffff]
> > [    0.000000]  [mem 0x137e00000-0x137ffffff] page 2M
> > [    0.000000] BRK [0x01864000, 0x01864fff] PGTABLE
> > [    0.000000] init_memory_mapping: [mem 0x134000000-0x137dfffff]
> > [    0.000000]  [mem 0x134000000-0x137dfffff] page 2M
> > [    0.000000] init_memory_mapping: [mem 0x100000000-0x133ffffff]
> > [    0.000000]  [mem 0x100000000-0x133ffffff] page 2M
> > [    0.000000] init_memory_mapping: [mem 0x00100000-0xbb27bfff]
> > [    0.000000]  [mem 0x00100000-0x001fffff] page 4k
> > [    0.000000]  [mem 0x00200000-0xbb1fffff] page 2M
> > [    0.000000]  [mem 0xbb200000-0xbb27bfff] page 4k
> > [    0.000000] init_memory_mapping: [mem 0xbb282000-0xbb35efff]
> > [    0.000000]  [mem 0xbb282000-0xbb35efff] page 4k
> > [    0.000000] init_memory_mapping: [mem 0xbb40f000-0xbb46efff]
> > [    0.000000]  [mem 0xbb40f000-0xbb46efff] page 4k
> > [    0.000000] BRK [0x01865000, 0x01865fff] PGTABLE
> > [    0.000000] init_memory_mapping: [mem 0xbb70f000-0xbb716fff]
> > [    0.000000]  [mem 0xbb70f000-0xbb716fff] page 4k
> > [    0.000000] BRK [0x01866000, 0x01866fff] PGTABLE
> > [    0.000000] init_memory_mapping: [mem 0xbb71f000-0xbb76afff]
> > [    0.000000]  [mem 0xbb71f000-0xbb76afff] page 4k
> > [    0.000000] init_memory_mapping: [mem 0xbb7ff000-0xbb7fffff]
> > [    0.000000]  [mem 0xbb7ff000-0xbb7fffff] page 4k
> > [    0.000000] RAMDISK: [mem 0x36992000-0x374c0fff]
> > [    0.000000] ACPI: RSDP 0x00000000000F68A0 000024 (v02 LENOVO)
> > [    0.000000] ACPI: XSDT 0x00000000BB7EF1FE 00009C (v01 LENOVO TP-6U    00001500  LTP 00000000)
> > [    0.000000] ACPI: FACP 0x00000000BB7EF300 0000F4 (v04 LENOVO TP-6U    00001500 LNVO 00000001)
> > [    0.000000] ACPI BIOS Warning (bug): 32/64X length mismatch in FADT/Pm1aControlBlock: 16/32 (20140214/tbfadt-603)
> > [    0.000000] ACPI BIOS Warning (bug): Invalid length for FADT/Pm1aControlBlock: 32, using default 16 (20140214/tbfadt-684)
> > [    0.000000] ACPI: DSDT 0x00000000BB7EF6D1 00F432 (v01 LENOVO TP-6U    00001500 MSFT 03000001)
> > [    0.000000] ACPI: FACS 0x00000000BB6E7000 000040
> > [    0.000000] ACPI: SSDT 0x00000000BB7EF4B4 00021D (v01 LENOVO TP-6U    00001500 MSFT 03000001)
> > [    0.000000] ACPI: ECDT 0x00000000BB7FEB03 000052 (v01 LENOVO TP-6U    00001500 LNVO 00000001)
> > [    0.000000] ACPI: APIC 0x00000000BB7FEB55 000084 (v01 LENOVO TP-6U    00001500 LNVO 00000001)
> > [    0.000000] ACPI: MCFG 0x00000000BB7FEC11 00003C (v01 LENOVO TP-6U    00001500 LNVO 00000001)
> > [    0.000000] ACPI: HPET 0x00000000BB7FEC4D 000038 (v01 LENOVO TP-6U    00001500 LNVO 00000001)
> > [    0.000000] ACPI: ASF! 0x00000000BB7FEDBE 0000A4 (v16 LENOVO TP-6U    00001500 PTL  00000001)
> > [    0.000000] ACPI: SLIC 0x00000000BB7FEE62 000176 (v01 LENOVO TP-6U    00001500  LTP 00000000)
> > [    0.000000] ACPI: BOOT 0x00000000BB7FEFD8 000028 (v01 LENOVO TP-6U    00001500  LTP 00000001)
> > [    0.000000] ACPI: SSDT 0x00000000BB6E591A 00084B (v01 LENOVO TP-6U    00001500 INTL 20050513)
> > [    0.000000] ACPI: TCPA 0x00000000BB78B000 000032 (v02 PTL     CRESTLN 06040000      00005A52)
> > [    0.000000] ACPI: DMAR 0x00000000BB781000 0000B8 (v01 INTEL  CP_DALE  00000001 INTL 00000001)
> > [    0.000000] ACPI: SSDT 0x00000000BB779000 0009F1 (v01 PmRef  CpuPm    00003000 INTL 20060912)
> > [    0.000000] ACPI: SSDT 0x00000000BB778000 000259 (v01 PmRef  Cpu0Tst  00003000 INTL 20060912)
> > [    0.000000] ACPI: SSDT 0x00000000BB777000 00049F (v01 PmRef  ApTst    00003000 INTL 20060912)
> > [    0.000000] ACPI: Local APIC address 0xfee00000
> > [    0.000000] No NUMA configuration found
> > [    0.000000] Faking a node at [mem 0x0000000000000000-0x0000000137ffffff]
> > [    0.000000] Initmem setup node 0 [mem 0x00000000-0x137ffffff]
> > [    0.000000]   NODE_DATA [mem 0x137ff8000-0x137ffcfff]
> > [    0.000000]  [ffffea0000000000-ffffea00045fffff] PMD -> [ffff880133800000-ffff880136ffffff] on node 0
> > [    0.000000] Zone ranges:
> > [    0.000000]   DMA      [mem 0x00001000-0x00ffffff]
> > [    0.000000]   DMA32    [mem 0x01000000-0xffffffff]
> > [    0.000000]   Normal   [mem 0x100000000-0x137ffffff]
> > [    0.000000] Movable zone start for each node
> > [    0.000000] Early memory node ranges
> > [    0.000000]   node   0: [mem 0x00001000-0x0009dfff]
> > [    0.000000]   node   0: [mem 0x00100000-0xbb27bfff]
> > [    0.000000]   node   0: [mem 0xbb282000-0xbb35efff]
> > [    0.000000]   node   0: [mem 0xbb40f000-0xbb46efff]
> > [    0.000000]   node   0: [mem 0xbb70f000-0xbb716fff]
> > [    0.000000]   node   0: [mem 0xbb71f000-0xbb76afff]
> > [    0.000000]   node   0: [mem 0xbb7ff000-0xbb7fffff]
> > [    0.000000]   node   0: [mem 0x100000000-0x137ffffff]
> > [    0.000000] On node 0 totalpages: 996267
> > [    0.000000]   DMA zone: 56 pages used for memmap
> > [    0.000000]   DMA zone: 21 pages reserved
> > [    0.000000]   DMA zone: 3997 pages, LIFO batch:0
> > [    0.000000]   DMA32 zone: 10431 pages used for memmap
> > [    0.000000]   DMA32 zone: 762894 pages, LIFO batch:31
> > [    0.000000]   Normal zone: 3136 pages used for memmap
> > [    0.000000]   Normal zone: 229376 pages, LIFO batch:31
> > [    0.000000] Reserving Intel graphics stolen memory at 0xbe000000-0xbfffffff
> > [    0.000000] ACPI: PM-Timer IO Port: 0x1008
> > [    0.000000] ACPI: Local APIC address 0xfee00000
> > [    0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
> > [    0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled)
> > [    0.000000] ACPI: LAPIC (acpi_id[0x02] lapic_id[0x04] enabled)
> > [    0.000000] ACPI: LAPIC (acpi_id[0x03] lapic_id[0x05] enabled)
> > [    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: LAPIC_NMI (acpi_id[0x02] high edge lint[0x1])
> > [    0.000000] ACPI: LAPIC_NMI (acpi_id[0x03] high edge lint[0x1])
> > [    0.000000] ACPI: IOAPIC (id[0x01] address[0xfec00000] gsi_base[0])
> > [    0.000000] IOAPIC[0]: apic_id 1, version 32, address 0xfec00000, GSI 0-23
> > [    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
> > [    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
> > [    0.000000] ACPI: IRQ0 used by override.
> > [    0.000000] ACPI: IRQ2 used by override.
> > [    0.000000] ACPI: IRQ9 used by override.
> > [    0.000000] Using ACPI (MADT) for SMP configuration information
> > [    0.000000] ACPI: HPET id: 0x8086a701 base: 0xfed00000
> > [    0.000000] smpboot: Allowing 4 CPUs, 0 hotplug CPUs
> > [    0.000000] nr_irqs_gsi: 40
> > [    0.000000] PM: Registered nosave memory: [mem 0x0009e000-0x0009efff]
> > [    0.000000] PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff]
> > [    0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000dbfff]
> > [    0.000000] PM: Registered nosave memory: [mem 0x000dc000-0x000fffff]
> > [    0.000000] PM: Registered nosave memory: [mem 0xbb27c000-0xbb281fff]
> > [    0.000000] PM: Registered nosave memory: [mem 0xbb35f000-0xbb370fff]
> > [    0.000000] PM: Registered nosave memory: [mem 0xbb371000-0xbb3f1fff]
> > [    0.000000] PM: Registered nosave memory: [mem 0xbb3f2000-0xbb40efff]
> > [    0.000000] PM: Registered nosave memory: [mem 0xbb46f000-0xbb667fff]
> > [    0.000000] PM: Registered nosave memory: [mem 0xbb668000-0xbb6e7fff]
> > [    0.000000] PM: Registered nosave memory: [mem 0xbb6e8000-0xbb70efff]
> > [    0.000000] PM: Registered nosave memory: [mem 0xbb717000-0xbb71efff]
> > [    0.000000] PM: Registered nosave memory: [mem 0xbb76b000-0xbb776fff]
> > [    0.000000] PM: Registered nosave memory: [mem 0xbb777000-0xbb779fff]
> > [    0.000000] PM: Registered nosave memory: [mem 0xbb77a000-0xbb780fff]
> > [    0.000000] PM: Registered nosave memory: [mem 0xbb781000-0xbb781fff]
> > [    0.000000] PM: Registered nosave memory: [mem 0xbb782000-0xbb78afff]
> > [    0.000000] PM: Registered nosave memory: [mem 0xbb78b000-0xbb78bfff]
> > [    0.000000] PM: Registered nosave memory: [mem 0xbb78c000-0xbb79efff]
> > [    0.000000] PM: Registered nosave memory: [mem 0xbb79f000-0xbb7fefff]
> > [    0.000000] PM: Registered nosave memory: [mem 0xbb800000-0xbfffffff]
> > [    0.000000] PM: Registered nosave memory: [mem 0xc0000000-0xdfffffff]
> > [    0.000000] PM: Registered nosave memory: [mem 0xe0000000-0xefffffff]
> > [    0.000000] PM: Registered nosave memory: [mem 0xf0000000-0xfeafefff]
> > [    0.000000] PM: Registered nosave memory: [mem 0xfeaff000-0xfeafffff]
> > [    0.000000] PM: Registered nosave memory: [mem 0xfeb00000-0xfebfffff]
> > [    0.000000] PM: Registered nosave memory: [mem 0xfec00000-0xfec0ffff]
> > [    0.000000] PM: Registered nosave memory: [mem 0xfec10000-0xfecfffff]
> > [    0.000000] PM: Registered nosave memory: [mem 0xfed00000-0xfed1bfff]
> > [    0.000000] PM: Registered nosave memory: [mem 0xfed1c000-0xfed8ffff]
> > [    0.000000] PM: Registered nosave memory: [mem 0xfed90000-0xfedfffff]
> > [    0.000000] PM: Registered nosave memory: [mem 0xfee00000-0xfee00fff]
> > [    0.000000] PM: Registered nosave memory: [mem 0xfee01000-0xfeffffff]
> > [    0.000000] PM: Registered nosave memory: [mem 0xff000000-0xffffffff]
> > [    0.000000] e820: [mem 0xc0000000-0xdfffffff] available for PCI devices
> > [    0.000000] setup_percpu: NR_CPUS:512 nr_cpumask_bits:512 nr_cpu_ids:4 nr_node_ids:1
> > [    0.000000] PERCPU: Embedded 27 pages/cpu @ffff880137c00000 s80768 r8192 d21632 u524288
> > [    0.000000] pcpu-alloc: s80768 r8192 d21632 u524288 alloc=1*2097152
> > [    0.000000] pcpu-alloc: [0] 0 1 2 3 
> > [    0.000000] Built 1 zonelists in Node order, mobility grouping on.  Total pages: 982623
> > [    0.000000] Policy zone: Normal
> > [    0.000000] Kernel command line: BOOT_IMAGE=/home/sithglan/work/linux-2.6/arch/x86/boot/bzImage root=UUID=e79cc073-026a-4671-a065-63e2391ff974 ro nomodeset intel.modeset=0
> > [    0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
> > [    0.000000] Checking aperture...
> > [    0.000000] No AGP bridge found
> > [    0.000000] Calgary: detecting Calgary via BIOS EBDA area
> > [    0.000000] Calgary: Unable to locate Rio Grande table in EBDA - bailing!
> > [    0.000000] Memory: 3840812K/3985068K available (3687K kernel code, 643K rwdata, 1560K rodata, 880K init, 888K bss, 144256K reserved)
> > [    0.000000] Hierarchical RCU implementation.
> > [    0.000000] 	RCU dyntick-idle grace-period acceleration is enabled.
> > [    0.000000] 	RCU restricting CPUs from NR_CPUS=512 to nr_cpu_ids=4.
> > [    0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4
> > [    0.000000] NR_IRQS:33024 nr_irqs:712 16
> > [    0.000000] Console: colour VGA+ 80x25
> > [    0.000000] console [tty0] enabled
> > [    0.000000] hpet clockevent registered
> > [    0.000000] tsc: Fast TSC calibration using PIT
> > [    0.000000] tsc: Detected 2394.025 MHz processor
> > [    0.000002] Calibrating delay loop (skipped), value calculated using timer frequency.. 4788.05 BogoMIPS (lpj=9576100)
> > [    0.000150] pid_max: default: 32768 minimum: 301
> > [    0.000228] ACPI: Core revision 20140214
> > [    0.014498] ACPI: All ACPI Tables successfully acquired
> > [    0.021911] Security Framework initialized
> > [    0.021996] AppArmor: AppArmor disabled by boot time parameter
> > [    0.022312] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes)
> > [    0.023356] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes)
> > [    0.023853] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes)
> > [    0.023947] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes)
> > [    0.024264] Initializing cgroup subsys devices
> > [    0.024370] Initializing cgroup subsys freezer
> > [    0.024452] Initializing cgroup subsys net_cls
> > [    0.024534] Initializing cgroup subsys blkio
> > [    0.024615] Initializing cgroup subsys perf_event
> > [    0.024717] CPU: Physical Processor ID: 0
> > [    0.024797] CPU: Processor Core ID: 0
> > [    0.024879] mce: CPU supports 9 MCE banks
> > [    0.024968] CPU0: Thermal monitoring enabled (TM1)
> > [    0.025060] Last level iTLB entries: 4KB 512, 2MB 7, 4MB 7
> > [    0.025060] Last level dTLB entries: 4KB 512, 2MB 32, 4MB 32, 1GB 0
> > [    0.025060] tlb_flushall_shift: 6
> > [    0.025297] Freeing SMP alternatives memory: 12K (ffffffff8177e000 - ffffffff81781000)
> > [    0.025489] dmar: Host address width 36
> > [    0.025569] dmar: DRHD base: 0x000000fed90000 flags: 0x0
> > [    0.025659] dmar: IOMMU 0: reg_base_addr fed90000 ver 1:0 cap c9008020e30272 ecap 1000
> > [    0.025777] dmar: DRHD base: 0x000000fed91000 flags: 0x0
> > [    0.025865] dmar: IOMMU 1: reg_base_addr fed91000 ver 1:0 cap c0000020230272 ecap 1000
> > [    0.025983] dmar: DRHD base: 0x000000fed93000 flags: 0x1
> > [    0.026071] dmar: IOMMU 2: reg_base_addr fed93000 ver 1:0 cap c9008020630272 ecap 1000
> > [    0.026190] dmar: RMRR base: 0x000000bb6e9000 end: 0x000000bb6fffff
> > [    0.026278] dmar: RMRR base: 0x000000bdc00000 end: 0x000000bfffffff
> > [    0.026983] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
> > [    0.066777] smpboot: CPU0: Intel(R) Core(TM) i5 CPU       M 520  @ 2.40GHz (fam: 06, model: 25, stepping: 02)
> > [    0.172396] Performance Events: PEBS fmt1+, 16-deep LBR, Westmere events, Intel PMU driver.
> > [    0.172684] perf_event_intel: CPUID marked event: 'bus cycles' unavailable
> > [    0.172775] ... version:                3
> > [    0.172854] ... bit width:              48
> > [    0.172934] ... generic registers:      4
> > [    0.173013] ... value mask:             0000ffffffffffff
> > [    0.173097] ... max period:             000000007fffffff
> > [    0.173181] ... fixed-purpose events:   3
> > [    0.173261] ... event mask:             000000070000000f
> > [    0.173651] x86: Booting SMP configuration:
> > [    0.173733] .... node  #0, CPUs:      #1
> > [    0.187151] NMI watchdog: enabled on all CPUs, permanently consumes one hw-PMU counter.
> > [    0.187456]  #2 #3
> > [    0.214017] x86: Booted up 1 node, 4 CPUs
> > [    0.214168] smpboot: Total of 4 processors activated (19152.20 BogoMIPS)
> > [    0.216133] devtmpfs: initialized
> > [    0.221192] PM: Registering ACPI NVS region [mem 0xbb371000-0xbb3f1fff] (528384 bytes)
> > [    0.221329] PM: Registering ACPI NVS region [mem 0xbb668000-0xbb6e7fff] (524288 bytes)
> > [    0.221462] PM: Registering ACPI NVS region [mem 0xbb76b000-0xbb776fff] (49152 bytes)
> > [    0.221581] PM: Registering ACPI NVS region [mem 0xbb77a000-0xbb780fff] (28672 bytes)
> > [    0.221699] PM: Registering ACPI NVS region [mem 0xbb782000-0xbb78afff] (36864 bytes)
> > [    0.221819] PM: Registering ACPI NVS region [mem 0xbb78c000-0xbb79efff] (77824 bytes)
> > [    0.222179] regulator-dummy: no parameters
> > [    0.222335] NET: Registered protocol family 16
> > [    0.222538] cpuidle: using governor ladder
> > [    0.222619] cpuidle: using governor menu
> > [    0.222727] ACPI FADT declares the system doesn't support PCIe ASPM, so disable it
> > [    0.222843] ACPI: bus type PCI registered
> > [    0.222923] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
> > [    0.223094] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000)
> > [    0.223218] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820
> > [    0.244300] PCI: Using configuration type 1 for base access
> > [    0.245583] ACPI: Added _OSI(Module Device)
> > [    0.245665] ACPI: Added _OSI(Processor Device)
> > [    0.245746] ACPI: Added _OSI(3.0 _SCP Extensions)
> > [    0.245828] ACPI: Added _OSI(Processor Aggregator Device)
> > [    0.247117] ACPI : EC: EC description table is found, configuring boot EC
> > [    0.252015] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored
> > [    0.334937] ACPI: SSDT 0x00000000BB71AA18 00046F (v01 PmRef  Cpu0Ist  00003000 INTL 20060912)
> > [    0.335481] ACPI: Dynamic OEM Table Load:
> > [    0.335643] ACPI: SSDT 0x0000000000000000 00046F (v01 PmRef  Cpu0Ist  00003000 INTL 20060912)
> > [    0.335951] ACPI: SSDT 0x00000000BB718718 0006B2 (v01 PmRef  Cpu0Cst  00003001 INTL 20060912)
> > [    0.336576] ACPI: Dynamic OEM Table Load:
> > [    0.336739] ACPI: SSDT 0x0000000000000000 0006B2 (v01 PmRef  Cpu0Cst  00003001 INTL 20060912)
> > [    0.360788] ACPI: SSDT 0x00000000BB719A98 000303 (v01 PmRef  ApIst    00003000 INTL 20060912)
> > [    0.361393] ACPI: Dynamic OEM Table Load:
> > [    0.361555] ACPI: SSDT 0x0000000000000000 000303 (v01 PmRef  ApIst    00003000 INTL 20060912)
> > [    0.372636] ACPI: SSDT 0x00000000BB717D98 000119 (v01 PmRef  ApCst    00003000 INTL 20060912)
> > [    0.373149] ACPI: Dynamic OEM Table Load:
> > [    0.373311] ACPI: SSDT 0x0000000000000000 000119 (v01 PmRef  ApCst    00003000 INTL 20060912)
> > [    0.386210] ACPI: Interpreter enabled
> > [    0.386294] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S1_] (20140214/hwxface-580)
> > [    0.386501] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S2_] (20140214/hwxface-580)
> > [    0.386717] ACPI: (supports S0 S3 S4 S5)
> > [    0.386797] ACPI: Using IOAPIC for interrupt routing
> > [    0.386907] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
> > [    0.393326] ACPI: Power Resource [PUBS] (on)
> > [    0.394182] acpi PNP0C0A:01: ACPI dock station (docks/bays count: 1)
> > [    0.396656] acpi LNXIOBAY:00: ACPI dock station (docks/bays count: 2)
> > [    0.398960] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 7 9 10 *11)
> > [    0.399552] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 7 9 10 *11)
> > [    0.400118] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 7 9 10 11) *0, disabled.
> > [    0.400823] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 7 9 10 *11)
> > [    0.401413] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 7 9 10 *11)
> > [    0.402003] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 7 9 10 *11)
> > [    0.402571] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 7 9 10 11) *0, disabled.
> > [    0.403271] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 7 9 10 *11)
> > [    0.403791] ACPI: PCI Root Bridge [UNCR] (domain 0000 [bus ff])
> > [    0.403882] acpi PNP0A03:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI]
> > [    0.404004] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM
> > [    0.404148] PCI host bridge to bus 0000:ff
> > [    0.404229] pci_bus 0000:ff: root bus resource [bus ff]
> > [    0.404318] pci 0000:ff:00.0: [8086:2c62] type 00 class 0x060000
> > [    0.404376] pci 0000:ff:00.1: [8086:2d01] type 00 class 0x060000
> > [    0.404431] pci 0000:ff:02.0: [8086:2d10] type 00 class 0x060000
> > [    0.404481] pci 0000:ff:02.1: [8086:2d11] type 00 class 0x060000
> > [    0.404530] pci 0000:ff:02.2: [8086:2d12] type 00 class 0x060000
> > [    0.404579] pci 0000:ff:02.3: [8086:2d13] type 00 class 0x060000
> > [    0.404651] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-fe])
> > [    0.404741] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI]
> > [    0.405070] acpi PNP0A08:00: _OSC: platform does not support [PCIeCapability]
> > [    0.405257] acpi PNP0A08:00: _OSC: not requesting control; platform does not support [PCIeCapability]
> > [    0.405381] acpi PNP0A08:00: _OSC: OS requested [PCIeHotplug PME AER PCIeCapability]
> > [    0.405499] acpi PNP0A08:00: _OSC: platform willing to grant [PCIeHotplug PME AER]
> > [    0.405615] acpi PNP0A08:00: _OSC failed (AE_SUPPORT); disabling ASPM
> > [    0.405863] PCI host bridge to bus 0000:00
> > [    0.405945] pci_bus 0000:00: root bus resource [bus 00-fe]
> > [    0.406030] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7]
> > [    0.406119] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff]
> > [    0.406207] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff]
> > [    0.406298] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff]
> > [    0.406389] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff]
> > [    0.406478] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff]
> > [    0.406570] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff]
> > [    0.406665] pci 0000:00:00.0: [8086:0044] type 00 class 0x060000
> > [    0.406679] DMAR: Disabling batched IOTLB flush on Ironlake
> > [    0.406838] pci 0000:00:02.0: [8086:0046] type 00 class 0x030000
> > [    0.406848] pci 0000:00:02.0: reg 0x10: [mem 0xf2000000-0xf23fffff 64bit]
> > [    0.406854] pci 0000:00:02.0: reg 0x18: [mem 0xd0000000-0xdfffffff 64bit pref]
> > [    0.406859] pci 0000:00:02.0: reg 0x20: [io  0x1800-0x1807]
> > [    0.406975] pci 0000:00:16.0: [8086:3b64] type 00 class 0x078000
> > [    0.407004] pci 0000:00:16.0: reg 0x10: [mem 0xf2727800-0xf272780f 64bit]
> > [    0.407100] pci 0000:00:16.0: PME# supported from D0 D3hot D3cold
> > [    0.407200] pci 0000:00:19.0: [8086:10ea] type 00 class 0x020000
> > [    0.407225] pci 0000:00:19.0: reg 0x10: [mem 0xf2500000-0xf251ffff]
> > [    0.407236] pci 0000:00:19.0: reg 0x14: [mem 0xf2525000-0xf2525fff]
> > [    0.407248] pci 0000:00:19.0: reg 0x18: [io  0x1820-0x183f]
> > [    0.407334] pci 0000:00:19.0: PME# supported from D0 D3hot D3cold
> > [    0.407375] pci 0000:00:19.0: System wakeup disabled by ACPI
> > [    0.407516] pci 0000:00:1a.0: [8086:3b3c] type 00 class 0x0c0320
> > [    0.407541] pci 0000:00:1a.0: reg 0x10: [mem 0xf2728000-0xf27283ff]
> > [    0.407650] pci 0000:00:1a.0: PME# supported from D0 D3hot D3cold
> > [    0.407691] pci 0000:00:1a.0: System wakeup disabled by ACPI
> > [    0.407833] pci 0000:00:1b.0: [8086:3b57] type 00 class 0x040300
> > [    0.407855] pci 0000:00:1b.0: reg 0x10: [mem 0xf2520000-0xf2523fff 64bit]
> > [    0.407962] pci 0000:00:1b.0: PME# supported from D0 D3hot D3cold
> > [    0.408015] pci 0000:00:1b.0: System wakeup disabled by ACPI
> > [    0.408152] pci 0000:00:1c.0: [8086:3b42] type 01 class 0x060400
> > [    0.408254] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold
> > [    0.408299] pci 0000:00:1c.0: System wakeup disabled by ACPI
> > [    0.408435] pci 0000:00:1c.1: [8086:3b44] type 01 class 0x060400
> > [    0.408537] pci 0000:00:1c.1: PME# supported from D0 D3hot D3cold
> > [    0.408582] pci 0000:00:1c.1: System wakeup disabled by ACPI
> > [    0.408720] pci 0000:00:1c.3: [8086:3b48] type 01 class 0x060400
> > [    0.408826] pci 0000:00:1c.3: PME# supported from D0 D3hot D3cold
> > [    0.408872] pci 0000:00:1c.3: System wakeup disabled by ACPI
> > [    0.409017] pci 0000:00:1d.0: [8086:3b34] type 00 class 0x0c0320
> > [    0.409042] pci 0000:00:1d.0: reg 0x10: [mem 0xf2728400-0xf27287ff]
> > [    0.409150] pci 0000:00:1d.0: PME# supported from D0 D3hot D3cold
> > [    0.409191] pci 0000:00:1d.0: System wakeup disabled by ACPI
> > [    0.409327] pci 0000:00:1e.0: [8086:2448] type 01 class 0x060401
> > [    0.409465] pci 0000:00:1f.0: [8086:3b0f] type 00 class 0x060100
> > [    0.409643] pci 0000:00:1f.2: [8086:3b2f] type 00 class 0x010601
> > [    0.409670] pci 0000:00:1f.2: reg 0x10: [io  0x1860-0x1867]
> > [    0.409681] pci 0000:00:1f.2: reg 0x14: [io  0x1814-0x1817]
> > [    0.409692] pci 0000:00:1f.2: reg 0x18: [io  0x1818-0x181f]
> > [    0.409703] pci 0000:00:1f.2: reg 0x1c: [io  0x1810-0x1813]
> > [    0.409714] pci 0000:00:1f.2: reg 0x20: [io  0x1840-0x185f]
> > [    0.409725] pci 0000:00:1f.2: reg 0x24: [mem 0xf2727000-0xf27277ff]
> > [    0.409792] pci 0000:00:1f.2: PME# supported from D3hot
> > [    0.409878] pci 0000:00:1f.3: [8086:3b30] type 00 class 0x0c0500
> > [    0.409899] pci 0000:00:1f.3: reg 0x10: [mem 0xf2728800-0xf27288ff 64bit]
> > [    0.409928] pci 0000:00:1f.3: reg 0x20: [io  0x1880-0x189f]
> > [    0.410031] pci 0000:00:1f.6: [8086:3b32] type 00 class 0x118000
> > [    0.410059] pci 0000:00:1f.6: reg 0x10: [mem 0xf2526000-0xf2526fff 64bit]
> > [    0.410281] pci 0000:00:1c.0: PCI bridge to [bus 02]
> > [    0.410477] pci 0000:03:00.0: [8086:4238] type 00 class 0x028000
> > [    0.410517] pci 0000:03:00.0: reg 0x10: [mem 0xf2400000-0xf2401fff 64bit]
> > [    0.410719] pci 0000:03:00.0: PME# supported from D0 D3hot D3cold
> > [    0.416808] pci 0000:00:1c.1: PCI bridge to [bus 03]
> > [    0.416902] pci 0000:00:1c.1:   bridge window [mem 0xf2400000-0xf24fffff]
> > [    0.418109] pci 0000:05:00.0: [1180:e822] type 00 class 0x080500
> > [    0.418127] pci 0000:05:00.0: MMC controller base frequency changed to 50Mhz.
> > [    0.418287] pci 0000:05:00.0: reg 0x10: [mem 0xf1f00000-0xf1f000ff]
> > [    0.418466] pci 0000:05:00.0: supports D1 D2
> > [    0.418468] pci 0000:05:00.0: PME# supported from D0 D1 D2 D3hot D3cold
> > [    0.418618] pci 0000:05:00.1: [1180:e230] type 00 class 0x088000
> > [    0.418641] pci 0000:05:00.1: reg 0x10: [mem 0xf1f00400-0xf1f004ff]
> > [    0.418809] pci 0000:05:00.1: supports D1 D2
> > [    0.418810] pci 0000:05:00.1: PME# supported from D0 D1 D2 D3hot D3cold
> > [    0.424862] pci 0000:00:1c.3: PCI bridge to [bus 05-0c]
> > [    0.424957] pci 0000:00:1c.3:   bridge window [io  0x2000-0x2fff]
> > [    0.424962] pci 0000:00:1c.3:   bridge window [mem 0xf0000000-0xf1ffffff]
> > [    0.424970] pci 0000:00:1c.3:   bridge window [mem 0xf2800000-0xf28fffff 64bit pref]
> > [    0.425060] pci 0000:00:1e.0: PCI bridge to [bus 0e] (subtractive decode)
> > [    0.425161] pci 0000:00:1e.0:   bridge window [io  0x0000-0x0cf7] (subtractive decode)
> > [    0.425163] pci 0000:00:1e.0:   bridge window [io  0x0d00-0xffff] (subtractive decode)
> > [    0.425165] pci 0000:00:1e.0:   bridge window [mem 0x000a0000-0x000bffff] (subtractive decode)
> > [    0.425168] pci 0000:00:1e.0:   bridge window [mem 0x000d0000-0x000d3fff] (subtractive decode)
> > [    0.425170] pci 0000:00:1e.0:   bridge window [mem 0x000d4000-0x000d7fff] (subtractive decode)
> > [    0.425172] pci 0000:00:1e.0:   bridge window [mem 0x000d8000-0x000dbfff] (subtractive decode)
> > [    0.425174] pci 0000:00:1e.0:   bridge window [mem 0xc0000000-0xfebfffff] (subtractive decode)
> > [    0.426657] ACPI: Enabled 3 GPEs in block 00 to 3F
> > [    0.426887] ACPI : EC: GPE = 0x11, I/O: command/status = 0x66, data = 0x62
> > [    0.427069] vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none
> > [    0.427189] vgaarb: loaded
> > [    0.427264] vgaarb: bridge control possible 0000:00:02.0
> > [    0.427397] PCI: Using ACPI for IRQ routing
> > [    0.437523] PCI: pci_cache_line_size set to 64 bytes
> > [    0.437682] e820: reserve RAM buffer [mem 0x0009e800-0x0009ffff]
> > [    0.437685] e820: reserve RAM buffer [mem 0xbb27c000-0xbbffffff]
> > [    0.437687] e820: reserve RAM buffer [mem 0xbb35f000-0xbbffffff]
> > [    0.437690] e820: reserve RAM buffer [mem 0xbb46f000-0xbbffffff]
> > [    0.437692] e820: reserve RAM buffer [mem 0xbb717000-0xbbffffff]
> > [    0.437695] e820: reserve RAM buffer [mem 0xbb76b000-0xbbffffff]
> > [    0.437697] e820: reserve RAM buffer [mem 0xbb800000-0xbbffffff]
> > [    0.437856] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0
> > [    0.438314] hpet0: 8 comparators, 64-bit 14.318180 MHz counter
> > [    0.440426] Switched to clocksource hpet
> > [    0.442639] pnp: PnP ACPI init
> > [    0.442736] ACPI: bus type PNP registered
> > [    0.444030] system 00:00: [mem 0x00000000-0x0009ffff] could not be reserved
> > [    0.444122] system 00:00: [mem 0x000c0000-0x000c3fff] could not be reserved
> > [    0.446695] system 00:00: [mem 0x000c4000-0x000c7fff] could not be reserved
> > [    0.446787] system 00:00: [mem 0x000c8000-0x000cbfff] has been reserved
> > [    0.446876] system 00:00: [mem 0x000cc000-0x000cffff] has been reserved
> > [    0.446966] system 00:00: [mem 0x000dc000-0x000dffff] could not be reserved
> > [    0.447057] system 00:00: [mem 0x000e0000-0x000e3fff] could not be reserved
> > [    0.447148] system 00:00: [mem 0x000e4000-0x000e7fff] could not be reserved
> > [    0.447240] system 00:00: [mem 0x000e8000-0x000ebfff] could not be reserved
> > [    0.447331] system 00:00: [mem 0x000ec000-0x000effff] could not be reserved
> > [    0.447421] system 00:00: [mem 0x000f0000-0x000fffff] could not be reserved
> > [    0.447513] system 00:00: [mem 0x00100000-0xbfffffff] could not be reserved
> > [    0.447604] system 00:00: [mem 0xfec00000-0xfed3ffff] could not be reserved
> > [    0.447695] system 00:00: [mem 0xfed4c000-0xffffffff] could not be reserved
> > [    0.447787] system 00:00: Plug and Play ACPI device, IDs PNP0c01 (active)
> > [    0.448137] system 00:01: [io  0x164e-0x164f] has been reserved
> > [    0.448226] system 00:01: [io  0x1000-0x107f] could not be reserved
> > [    0.448315] system 00:01: [io  0x1180-0x11ff] has been reserved
> > [    0.448403] system 00:01: [io  0x0800-0x080f] has been reserved
> > [    0.448499] system 00:01: [io  0x15e0-0x15ef] has been reserved
> > [    0.448587] system 00:01: [io  0x1600-0x1641] has been reserved
> > [    0.448674] system 00:01: [io  0x1644-0x167f] could not be reserved
> > [    0.448763] system 00:01: [mem 0xe0000000-0xefffffff] has been reserved
> > [    0.448853] system 00:01: [mem 0xfeaff000-0xfeafffff] has been reserved
> > [    0.448943] system 00:01: [mem 0xfed1c000-0xfed1ffff] has been reserved
> > [    0.449032] system 00:01: [mem 0xfed10000-0xfed13fff] has been reserved
> > [    0.449122] system 00:01: [mem 0xfed18000-0xfed18fff] has been reserved
> > [    0.449213] system 00:01: [mem 0xfed19000-0xfed19fff] has been reserved
> > [    0.449303] system 00:01: [mem 0xfed45000-0xfed4bfff] has been reserved
> > [    0.449393] system 00:01: Plug and Play ACPI device, IDs PNP0c02 (active)
> > [    0.449453] pnp 00:02: Plug and Play ACPI device, IDs PNP0103 (active)
> > [    0.449464] pnp 00:03: [dma 4]
> > [    0.449489] pnp 00:03: Plug and Play ACPI device, IDs PNP0200 (active)
> > [    0.449521] pnp 00:04: Plug and Play ACPI device, IDs PNP0800 (active)
> > [    0.449565] pnp 00:05: Plug and Play ACPI device, IDs PNP0c04 (active)
> > [    0.449602] pnp 00:06: Plug and Play ACPI device, IDs PNP0b00 (active)
> > [    0.449640] pnp 00:07: Plug and Play ACPI device, IDs PNP0303 (active)
> > [    0.449676] pnp 00:08: Plug and Play ACPI device, IDs LEN0015 PNP0f13 (active)
> > [    0.449999] pnp 00:09: Plug and Play ACPI device, IDs SMO1200 PNP0c31 (active)
> > [    0.450883] pnp: PnP ACPI: found 10 devices
> > [    0.450964] ACPI: bus type PNP unregistered
> > [    0.458318] pci 0000:00:1c.0: PCI bridge to [bus 02]
> > [    0.458416] pci 0000:00:1c.1: PCI bridge to [bus 03]
> > [    0.458503] pci 0000:00:1c.1:   bridge window [mem 0xf2400000-0xf24fffff]
> > [    0.458602] pci 0000:00:1c.3: PCI bridge to [bus 05-0c]
> > [    0.458687] pci 0000:00:1c.3:   bridge window [io  0x2000-0x2fff]
> > [    0.458779] pci 0000:00:1c.3:   bridge window [mem 0xf0000000-0xf1ffffff]
> > [    0.458872] pci 0000:00:1c.3:   bridge window [mem 0xf2800000-0xf28fffff 64bit pref]
> > [    0.458995] pci 0000:00:1e.0: PCI bridge to [bus 0e]
> > [    0.459091] pci_bus 0000:00: resource 4 [io  0x0000-0x0cf7]
> > [    0.459093] pci_bus 0000:00: resource 5 [io  0x0d00-0xffff]
> > [    0.459096] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff]
> > [    0.459098] pci_bus 0000:00: resource 7 [mem 0x000d0000-0x000d3fff]
> > [    0.459100] pci_bus 0000:00: resource 8 [mem 0x000d4000-0x000d7fff]
> > [    0.459101] pci_bus 0000:00: resource 9 [mem 0x000d8000-0x000dbfff]
> > [    0.459104] pci_bus 0000:00: resource 10 [mem 0xc0000000-0xfebfffff]
> > [    0.459106] pci_bus 0000:03: resource 1 [mem 0xf2400000-0xf24fffff]
> > [    0.459108] pci_bus 0000:05: resource 0 [io  0x2000-0x2fff]
> > [    0.459110] pci_bus 0000:05: resource 1 [mem 0xf0000000-0xf1ffffff]
> > [    0.459112] pci_bus 0000:05: resource 2 [mem 0xf2800000-0xf28fffff 64bit pref]
> > [    0.459115] pci_bus 0000:0e: resource 4 [io  0x0000-0x0cf7]
> > [    0.459117] pci_bus 0000:0e: resource 5 [io  0x0d00-0xffff]
> > [    0.459119] pci_bus 0000:0e: resource 6 [mem 0x000a0000-0x000bffff]
> > [    0.459121] pci_bus 0000:0e: resource 7 [mem 0x000d0000-0x000d3fff]
> > [    0.459123] pci_bus 0000:0e: resource 8 [mem 0x000d4000-0x000d7fff]
> > [    0.459125] pci_bus 0000:0e: resource 9 [mem 0x000d8000-0x000dbfff]
> > [    0.459127] pci_bus 0000:0e: resource 10 [mem 0xc0000000-0xfebfffff]
> > [    0.459202] NET: Registered protocol family 2
> > [    0.459527] TCP established hash table entries: 32768 (order: 6, 262144 bytes)
> > [    0.459757] TCP bind hash table entries: 32768 (order: 7, 524288 bytes)
> > [    0.459989] TCP: Hash tables configured (established 32768 bind 32768)
> > [    0.460107] TCP: reno registered
> > [    0.460192] UDP hash table entries: 2048 (order: 4, 65536 bytes)
> > [    0.460308] UDP-Lite hash table entries: 2048 (order: 4, 65536 bytes)
> > [    0.460516] NET: Registered protocol family 1
> > [    0.460618] pci 0000:00:02.0: Boot video device
> > [    0.460970] PCI: CLS 64 bytes, default 64
> > [    0.461019] Unpacking initramfs...
> > [    0.672088] Freeing initrd memory: 11452K (ffff880036992000 - ffff8800374c1000)
> > [    0.672304] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
> > [    0.672394] software IO TLB [mem 0xb727c000-0xbb27c000] (64MB) mapped at [ffff8800b727c000-ffff8800bb27bfff]
> > [    0.672558] Simple Boot Flag at 0x35 set to 0x1
> > [    0.673220] futex hash table entries: 1024 (order: 4, 65536 bytes)
> > [    0.673339] audit: initializing netlink subsys (disabled)
> > [    0.673444] audit: type=2000 audit(1397721355.500:1): initialized
> > [    0.689119] bounce pool size: 64 pages
> > [    0.689203] HugeTLB registered 2 MB page size, pre-allocated 0 pages
> > [    0.689502] VFS: Disk quotas dquot_6.5.2
> > [    0.689600] Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
> > [    0.689750] msgmni has been set to 7523
> > [    0.690130] alg: No test for stdrng (krng)
> > [    0.690245] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252)
> > [    0.690363] io scheduler noop registered
> > [    0.690443] io scheduler deadline registered
> > [    0.690542] io scheduler cfq registered (default)
> > [    0.691097] pci_hotplug: PCI Hot Plug PCI Core version: 0.5
> > [    0.691199] pciehp: PCI Express Hot Plug Controller Driver version: 0.4
> > [    0.691323] intel_idle: MWAIT substates: 0x1120
> > [    0.691324] intel_idle: v0.4 model 0x25
> > [    0.691325] intel_idle: lapic_timer_reliable_states 0xffffffff
> > [    0.691559] GHES: HEST is not enabled!
> > [    0.691701] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
> > [    0.692341] Linux agpgart interface v0.103
> > [    0.692486] agpgart-intel 0000:00:00.0: Intel HD Graphics Chipset
> > [    0.692652] agpgart-intel 0000:00:00.0: detected gtt size: 2097152K total, 262144K mappable
> > [    0.693441] agpgart-intel 0000:00:00.0: detected 32768K stolen memory
> > [    0.693769] agpgart-intel 0000:00:00.0: AGP aperture is 256M @ 0xd0000000
> > [    0.694098] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12
> > [    0.697272] serio: i8042 KBD port at 0x60,0x64 irq 1
> > [    0.697370] serio: i8042 AUX port at 0x60,0x64 irq 12
> > [    0.697805] mousedev: PS/2 mouse device common for all mice
> > [    0.697948] rtc_cmos 00:06: RTC can wake from S4
> > [    0.698314] rtc_cmos 00:06: rtc core: registered rtc_cmos as rtc0
> > [    0.698446] rtc_cmos 00:06: alarms up to one month, y3k, 114 bytes nvram, hpet irqs
> > [    0.698580] drop_monitor: Initializing network drop monitor service
> > [    0.698731] TCP: cubic registered
> > [    0.698919] NET: Registered protocol family 10
> > [    0.699265] mip6: Mobile IPv6
> > [    0.699343] NET: Registered protocol family 17
> > [    0.699446] Key type dns_resolver registered
> > [    0.699963] registered taskstats version 1
> > [    0.700909] rtc_cmos 00:06: setting system clock to 2014-04-17 07:55:56 UTC (1397721356)
> > [    0.701162] PM: Hibernation image not present or could not be loaded.
> > [    0.702192] Freeing unused kernel memory: 880K (ffffffff816a2000 - ffffffff8177e000)
> > [    0.702311] Write protecting the kernel read-only data: 6144k
> > [    0.703557] Freeing unused kernel memory: 400K (ffff88000139c000 - ffff880001400000)
> > [    0.706366] Freeing unused kernel memory: 488K (ffff880001586000 - ffff880001600000)
> > [    0.706972] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input0
> > [    0.724045] udevd[67]: starting version 175
> > [    0.746676] sdhci: Secure Digital Host Controller Interface driver
> > [    0.746760] sdhci: Copyright(c) Pierre Ossman
> > [    0.747132] sdhci-pci 0000:05:00.0: SDHCI controller found [1180:e822] (rev 1)
> > [    0.747498] sdhci-pci 0000:05:00.0: Will use DMA mode even though HW doesn't fully claim to support it.
> > [    0.747655] mmc0: no vqmmc regulator found
> > [    0.747730] mmc0: no vmmc regulator found
> > [    0.747982] mmc0: SDHCI controller on PCI [0000:05:00.0] using DMA
> > [    0.750016] SCSI subsystem initialized
> > [    0.758195] libata version 3.00 loaded.
> > [    0.759056] ahci 0000:00:1f.2: version 3.0
> > [    0.759240] ahci 0000:00:1f.2: irq 40 for MSI/MSI-X
> > [    0.759285] ahci 0000:00:1f.2: SSS flag set, parallel bus scan disabled
> > [    0.759420] ahci 0000:00:1f.2: AHCI 0001.0300 32 slots 6 ports 3 Gbps 0x33 impl SATA mode
> > [    0.759532] ahci 0000:00:1f.2: flags: 64bit ncq sntf ilck stag pm led clo pmp pio slum part ems sxs apst 
> > [    0.765378] thermal LNXTHERM:00: registered as thermal_zone0
> > [    0.765470] ACPI: Thermal Zone [THM0] (48 C)
> > [    0.767682] pps_core: LinuxPPS API ver. 1 registered
> > [    0.767762] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti at linux.it>
> > [    0.767949] microcode: CPU0 sig=0x20652, pf=0x10, revision=0xd
> > [    0.768067] microcode: CPU0 sig=0x20652, pf=0x10, revision=0xd
> > [    0.768476] microcode: CPU0 updated to revision 0xe, date = 2013-06-26
> > [    0.768570] microcode: CPU1 sig=0x20652, pf=0x10, revision=0xd
> > [    0.768689] PTP clock support registered
> > [    0.769500] e1000e: Intel(R) PRO/1000 Network Driver - 2.3.2-k
> > [    0.769583] e1000e: Copyright(c) 1999 - 2014 Intel Corporation.
> > [    0.770801] microcode: CPU1 sig=0x20652, pf=0x10, revision=0xd
> > [    0.771154] microcode: CPU1 updated to revision 0xe, date = 2013-06-26
> > [    0.771257] microcode: CPU2 sig=0x20652, pf=0x10, revision=0xd
> > [    0.771371] microcode: CPU2 sig=0x20652, pf=0x10, revision=0xd
> > [    0.771716] microcode: CPU2 updated to revision 0xe, date = 2013-06-26
> > [    0.771810] microcode: CPU3 sig=0x20652, pf=0x10, revision=0xd
> > [    0.771924] microcode: CPU3 sig=0x20652, pf=0x10, revision=0xd
> > [    0.772281] microcode: CPU3 updated to revision 0xe, date = 2013-06-26
> > [    0.773907] microcode: Microcode Update Driver: v2.00 <tigran at aivazian.fsnet.co.uk>, Peter Oruba
> > [    0.782691] scsi0 : ahci
> > [    0.783155] scsi1 : ahci
> > [    0.783538] scsi2 : ahci
> > [    0.783912] scsi3 : ahci
> > [    0.784319] scsi4 : ahci
> > [    0.785341] scsi5 : ahci
> > [    0.785640] ata1: SATA max UDMA/133 abar m2048 at 0xf2727000 port 0xf2727100 irq 40
> > [    0.785763] ata2: SATA max UDMA/133 abar m2048 at 0xf2727000 port 0xf2727180 irq 40
> > [    0.785882] ata3: DUMMY
> > [    0.785962] ata4: DUMMY
> > [    0.786046] ata5: SATA max UDMA/133 abar m2048 at 0xf2727000 port 0xf2727300 irq 40
> > [    0.786166] ata6: SATA max UDMA/133 abar m2048 at 0xf2727000 port 0xf2727380 irq 40
> > [    0.786975] e1000e 0000:00:19.0: Interrupt Throttling Rate (ints/sec) set to dynamic conservative mode
> > [    0.787127] e1000e 0000:00:19.0: irq 41 for MSI/MSI-X
> > [    0.971516] e1000e 0000:00:19.0 eth0: (PCI Express:2.5GT/s:Width x1) 00:26:2d:fc:e4:1e
> > [    0.971642] e1000e 0000:00:19.0 eth0: Intel(R) PRO/1000 Network Connection
> > [    0.971800] e1000e 0000:00:19.0 eth0: MAC: 9, PHY: 10, PBA No: A002FF-0FF
> > [    1.277048] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
> > [    1.277578] ata1.00: ACPI cmd ef/02:00:00:00:00:a0 (SET FEATURES) succeeded
> > [    1.277585] ata1.00: ACPI cmd f5/00:00:00:00:00:a0 (SECURITY FREEZE LOCK) filtered out
> > [    1.277787] ata1.00: ACPI cmd ef/5f:00:00:00:00:a0 (SET FEATURES) succeeded
> > [    1.277792] ata1.00: ACPI cmd ef/10:03:00:00:00:a0 (SET FEATURES) filtered out
> > [    1.278163] ata1.00: ATA-8: TOSHIBA THNS128GG4BAAA-NonFDE, AGLA0203, max UDMA/100
> > [    1.278279] ata1.00: 250069680 sectors, multi 16: LBA48 
> > [    1.278840] ata1.00: ACPI cmd ef/02:00:00:00:00:a0 (SET FEATURES) succeeded
> > [    1.278846] ata1.00: ACPI cmd f5/00:00:00:00:00:a0 (SECURITY FREEZE LOCK) filtered out
> > [    1.279083] ata1.00: ACPI cmd ef/5f:00:00:00:00:a0 (SET FEATURES) succeeded
> > [    1.279088] ata1.00: ACPI cmd ef/10:03:00:00:00:a0 (SET FEATURES) filtered out
> > [    1.279446] ata1.00: configured for UDMA/100
> > [    1.279806] scsi 0:0:0:0: Direct-Access     ATA      TOSHIBA THNS128G AGLA PQ: 0 ANSI: 5
> > [    1.673280] tsc: Refined TSC clocksource calibration: 2393.999 MHz
> > [    1.773352] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
> > [    1.779127] ata2.00: ACPI cmd e3/00:1f:00:00:00:a0 (IDLE) succeeded
> > [    1.780020] ata2.00: ACPI cmd e3/00:02:00:00:00:a0 (IDLE) succeeded
> > [    1.783787] ata2.00: ATAPI: HL-DT-ST DVDRAM GU10N, MX05, max UDMA/133
> > [    1.790207] ata2.00: ACPI cmd e3/00:1f:00:00:00:a0 (IDLE) succeeded
> > [    1.791104] ata2.00: ACPI cmd e3/00:02:00:00:00:a0 (IDLE) succeeded
> > [    1.794931] ata2.00: configured for UDMA/133
> > [    1.800488] scsi 1:0:0:0: CD-ROM            HL-DT-ST DVDRAM GU10N     MX05 PQ: 0 ANSI: 5
> > [    2.125573] ata5: SATA link down (SStatus 0 SControl 300)
> > [    2.445770] ata6: SATA link down (SStatus 0 SControl 300)
> > [    2.455364] sd 0:0:0:0: [sda] 250069680 512-byte logical blocks: (128 GB/119 GiB)
> > [    2.455680] sd 0:0:0:0: [sda] Write Protect is off
> > [    2.455770] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
> > [    2.455836] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
> > [    2.456633]  sda: sda1 sda2 sda3
> > [    2.457121] sd 0:0:0:0: [sda] Attached SCSI disk
> > [    2.464896] sr0: scsi3-mmc drive: 24x/24x writer dvd-ram cd/rw xa/form2 cdda tray
> > [    2.465015] cdrom: Uniform CD-ROM driver Revision: 3.20
> > [    2.465351] sr 1:0:0:0: Attached scsi CD-ROM sr0
> > [    2.467593] sd 0:0:0:0: Attached scsi generic sg0 type 0
> > [    2.467798] sr 1:0:0:0: Attached scsi generic sg1 type 5
> > [    2.601823] EXT4-fs (sda3): mounted filesystem with ordered data mode. Opts: (null)
> > [    2.674019] Switched to clocksource tsc
> > [    2.848686] udevd[405]: starting version 175
> > [    2.913420] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0D:00/input/input2
> > [    2.914533] ACPI: Lid Switch [LID]
> > [    2.914779] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input3
> > [    2.914886] ACPI: Sleep Button [SLPB]
> > [    2.915122] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input4
> > [    2.915223] ACPI: Power Button [PWRF]
> > [    2.920487] ACPI: bus type USB registered
> > [    2.920610] usbcore: registered new interface driver usbfs
> > [    2.920703] usbcore: registered new interface driver hub
> > [    2.922668] usbcore: registered new device driver usb
> > [    2.927255] cfg80211: Calling CRDA to update world regulatory domain
> > [    2.927379] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
> > [    2.928002] ehci-pci: EHCI PCI platform driver
> > [    2.928273] ehci-pci 0000:00:1a.0: EHCI Host Controller
> > [    2.928358] ehci-pci 0000:00:1a.0: new USB bus registered, assigned bus number 1
> > [    2.928479] ehci-pci 0000:00:1a.0: debug port 2
> > [    2.932483] ehci-pci 0000:00:1a.0: cache line size of 64 is not supported
> > [    2.936391] wmi: Mapper loaded
> > [    2.937702] Intel(R) Wireless WiFi driver for Linux, in-tree:
> > [    2.937781] Copyright(c) 2003- 2014 Intel Corporation
> > [    2.938023] iwlwifi 0000:03:00.0: can't disable ASPM; OS doesn't have ASPM control
> > [    2.938188] iwlwifi 0000:03:00.0: irq 42 for MSI/MSI-X
> > [    2.939573] ehci-pci 0000:00:1a.0: irq 23, io mem 0xf2728000
> > [    2.940311] iwlwifi 0000:03:00.0: Direct firmware load failed with error -2
> > [    2.940395] iwlwifi 0000:03:00.0: Falling back to user helper
> > [    2.949999] ehci-pci 0000:00:1a.0: USB 2.0 started, EHCI 1.00
> > [    2.950142] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
> > [    2.950226] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
> > [    2.950329] usb usb1: Product: EHCI Host Controller
> > [    2.950406] usb usb1: Manufacturer: Linux 3.15.0-rc1+ ehci_hcd
> > [    2.950484] usb usb1: SerialNumber: 0000:00:1a.0
> > [    2.953452] [drm] Initialized drm 1.1.0 20060810
> > [    2.954178] hub 1-0:1.0: USB hub found
> > [    2.954303] hub 1-0:1.0: 3 ports detected
> > [    2.954783] ehci-pci 0000:00:1d.0: EHCI Host Controller
> > [    2.954896] ehci-pci 0000:00:1d.0: new USB bus registered, assigned bus number 2
> > [    2.955165] ehci-pci 0000:00:1d.0: debug port 2
> > [    2.959229] ehci-pci 0000:00:1d.0: cache line size of 64 is not supported
> > [    2.959441] ehci-pci 0000:00:1d.0: irq 19, io mem 0xf2728400
> > [    2.964701] tpm_tis 00:09: 1.2 TPM (device-id 0x0, rev-id 78)
> > [    2.970074] ehci-pci 0000:00:1d.0: USB 2.0 started, EHCI 1.00
> > [    2.970308] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002
> > [    2.970411] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
> > [    2.970525] usb usb2: Product: EHCI Host Controller
> > [    2.970650] usb usb2: Manufacturer: Linux 3.15.0-rc1+ ehci_hcd
> > [    2.970763] usb usb2: SerialNumber: 0000:00:1d.0
> > [    2.971159] hub 2-0:1.0: USB hub found
> > [    2.971280] hub 2-0:1.0: 3 ports detected
> > [    2.971677] ACPI Warning: SystemIO range 0x0000000000001028-0x000000000000102f conflicts with OpRegion 0x0000000000001000-0x000000000000107f (\_SB_.PCI0.LPC_.PMIO) (20140214/utaddress-258)
> > [    2.971927] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver
> > [    2.972251] ACPI Warning: SystemIO range 0x00000000000011c0-0x00000000000011cf conflicts with OpRegion 0x0000000000001180-0x00000000000011ff (\_SB_.PCI0.LPC_.LPIO) (20140214/utaddress-258)
> > [    2.972502] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver
> > [    2.972694] ACPI Warning: SystemIO range 0x00000000000011b0-0x00000000000011bf conflicts with OpRegion 0x0000000000001180-0x00000000000011ff (\_SB_.PCI0.LPC_.LPIO) (20140214/utaddress-258)
> > [    2.972961] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver
> > [    2.973086] ACPI Warning: SystemIO range 0x0000000000001180-0x00000000000011af conflicts with OpRegion 0x0000000000001180-0x00000000000011ff (\_SB_.PCI0.LPC_.LPIO) (20140214/utaddress-258)
> > [    2.973345] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver
> > [    2.973454] lpc_ich: Resource conflict(s) found affecting gpio_ich
> > [    2.974097] i801_smbus 0000:00:1f.3: SMBus using PCI Interrupt
> > [    2.974739] ACPI: Battery Slot [BAT0] (battery present)
> > [    2.975226] intel ips 0000:00:1f.6: CPU TDP doesn't match expected value (found 25, expected 29)
> > [    2.975481] intel ips 0000:00:1f.6: failed to get i915 symbols, graphics turbo disabled until i915 loads
> > [    2.976709] intel ips 0000:00:1f.6: IPS driver initialized, MCP temp limit 90
> > [    2.978828] ACPI: AC Adapter [AC] (on-line)
> > [    2.978960] [drm] Memory usable by graphics device = 2048M
> > [    2.994069] input: PC Speaker as /devices/platform/pcspkr/input/input6
> > [    3.001094] SSE version of gcm_enc/dec engaged.
> > [    3.017300] alg: No test for __gcm-aes-aesni (__driver-gcm-aes-aesni)
> > [    3.026084] tpm_tis 00:09: TPM is disabled/deactivated (0x6)
> > [    3.034186] i915 0000:00:02.0: irq 43 for MSI/MSI-X
> > [    3.034202] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
> > [    3.034283] [drm] Driver supports precise vblank timestamp query.
> > [    3.034453] Non-volatile memory driver v1.3
> > [    3.034818] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem
> > [    3.038943] thinkpad_acpi: ThinkPad ACPI Extras v0.25
> > [    3.039022] thinkpad_acpi: http://ibm-acpi.sf.net/
> > [    3.039095] thinkpad_acpi: ThinkPad BIOS 6UET70WW (1.50 ), EC 6UHT33WW-1.14
> > [    3.039211] thinkpad_acpi: Lenovo ThinkPad T410s, model 2912W1C
> > [    3.041463] iTCO_vendor_support: vendor-support=0
> > [    3.042266] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.11
> > [    3.042380] iTCO_wdt: Found a QS57 TCO device (Version=2, TCOBASE=0x1060)
> > [    3.042664] thinkpad_acpi: detected a 16-level brightness capable ThinkPad
> > [    3.043524] iTCO_wdt: initialized. heartbeat=30 sec (nowayout=0)
> > [    3.050347] thinkpad_acpi: radio switch found; radios are enabled
> > [    3.050368] kvm: VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL does not work properly. Using workaround
> > [    3.051031] thinkpad_acpi: This ThinkPad has standard ACPI backlight brightness control, supported by the ACPI video driver
> > [    3.051156] thinkpad_acpi: Disabling thinkpad-acpi brightness events by default...
> > [    3.054394] iwlwifi 0000:03:00.0: Direct firmware load failed with error -2
> > [    3.054510] iwlwifi 0000:03:00.0: Falling back to user helper
> > [    3.058274] thinkpad_acpi: rfkill switch tpacpi_bluetooth_sw: radio is unblocked
> > [    3.061468] thinkpad_acpi: rfkill switch tpacpi_wwan_sw: radio is unblocked
> > [    3.065291] thinkpad_acpi: Standard ACPI backlight interface available, not loading native one
> > [    3.065661] thinkpad_acpi: Console audio control enabled, mode: monitor (read only)
> > [    3.068324] input: ThinkPad Extra Buttons as /devices/platform/thinkpad_acpi/input/input7
> > [    3.111309] iwlwifi 0000:03:00.0: loaded firmware version 9.221.4.1 build 25532 op_mode iwldvm
> > [    3.112654] cfg80211: World regulatory domain updated:
> > [    3.112739] cfg80211:  DFS Master region: unset
> > [    3.112800] cfg80211:   (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
> > [    3.112994] cfg80211:   (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
> > [    3.113091] cfg80211:   (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm), (N/A)
> > [    3.113187] cfg80211:   (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm), (N/A)
> > [    3.113287] cfg80211:   (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
> > [    3.113385] cfg80211:   (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
> > [    3.128909] iwlwifi 0000:03:00.0: CONFIG_IWLWIFI_DEBUG disabled
> > [    3.128991] iwlwifi 0000:03:00.0: CONFIG_IWLWIFI_DEBUGFS disabled
> > [    3.129068] iwlwifi 0000:03:00.0: CONFIG_IWLWIFI_DEVICE_TRACING disabled
> > [    3.129156] iwlwifi 0000:03:00.0: Detected Intel(R) Centrino(R) Ultimate-N 6300 AGN, REV=0x74
> > [    3.129320] iwlwifi 0000:03:00.0: L1 Enabled; Disabling L0S
> > [    3.143169] ieee80211 phy0: Selected rate control algorithm 'iwl-agn-rs'
> > [    3.150112] [drm] GMBUS [i915 gmbus dpb] timed out, falling back to bit banging on pin 5
> > [    3.263018] fbcon: inteldrmfb (fb0) is primary device
> > [    3.266230] usb 1-1: new high-speed USB device number 2 using ehci-pci
> > [    3.398672] usb 1-1: New USB device found, idVendor=8087, idProduct=0020
> > [    3.398676] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
> > [    3.399096] hub 1-1:1.0: USB hub found
> > [    3.399247] hub 1-1:1.0: 6 ports detected
> > [    3.446632] psmouse serio1: alps: Unknown ALPS touchpad: E7=10 00 64, EC=10 00 64
> > [    3.510410] usb 2-1: new high-speed USB device number 2 using ehci-pci
> > [    3.643289] usb 2-1: New USB device found, idVendor=8087, idProduct=0020
> > [    3.643292] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
> > [    3.643779] hub 2-1:1.0: USB hub found
> > [    3.643953] hub 2-1:1.0: 8 ports detected
> > [    3.718836] usb 1-1.2: new full-speed USB device number 3 using ehci-pci
> > [    3.799535] [drm:ilk_display_irq_handler] *ERROR* Pipe A FIFO underrun
> > [    3.799541] [drm:ibx_irq_handler] *ERROR* PCH transcoder A FIFO underrun
> > [    3.809243] psmouse serio1: trackpoint: IBM TrackPoint firmware: 0x0e, buttons: 3/3
> > [    3.817580] usb 1-1.2: New USB device found, idVendor=17ef, idProduct=6047
> > [    3.817584] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
> > [    3.817587] usb 1-1.2: Product: ThinkPad Compact USB Keyboard with TrackPoint
> > [    3.817590] usb 1-1.2: Manufacturer: Lenovo
> > [    3.826720] input: TPPS/2 IBM TrackPoint as /devices/platform/i8042/serio1/input/input5
> > [    3.890895] usb 1-1.3: new full-speed USB device number 4 using ehci-pci
> > [    3.962586] [drm:intel_dp_start_link_train] *ERROR* failed to enable link training
> > [    3.965253] [drm:intel_dp_complete_link_train] *ERROR* failed to start channel equalization
> > [    3.984419] usb 1-1.3: New USB device found, idVendor=147e, idProduct=2016
> > [    3.984423] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
> > [    3.984426] usb 1-1.3: Product: Biometric Coprocessor
> > [    3.984429] usb 1-1.3: Manufacturer: UPEK
> > [    4.030699] ------------[ cut here ]------------
> > [    4.030769] WARNING: CPU: 1 PID: 484 at drivers/gpu/drm/i915/intel_display.c:9755 intel_modeset_check_state+0x308/0x5f3 [i915]()
> > [    4.030771] encoder's hw state doesn't match sw tracking (expected 1, found 0)
> > [    4.030826] Modules linked in: arc4 iwldvm mac80211 snd_hda_intel(+) snd_hda_controller snd_hda_codec snd_hwdep coretemp snd_pcm_oss snd_mixer_oss mxm_wmi snd_pcm kvm_intel iTCO_wdt iTCO_vendor_support kvm thinkpad_acpi nvram snd_seq_midi snd_seq_midi_event snd_rawmidi ghash_clmulni_intel snd_seq snd_timer snd_seq_device aesni_intel aes_x86_64 ablk_helper cryptd lrw evdev gf128mul pcspkr glue_helper psmouse serio_raw snd i915(+) tpm_tis i2c_i801 tpm soundcore drm_kms_helper intel_ips ac battery parport_pc drm parport i2c_algo_bit i2c_core video lpc_ich iwlwifi mfd_core wmi ehci_pci ehci_hcd cfg80211 usbcore rfkill usb_common acpi_cpufreq button processor ext4 crc16 jbd2 mbcache sg sd_mod sr_mod crc_t10dif cdrom crct10dif_common crc32c_intel e1000e ptp microcode pps_core ahci libahci thermal thermal_sys libata scsi_mod sdhci_pci sdhci mmc_core
> > [    4.030834] CPU: 1 PID: 484 Comm: modprobe Not tainted 3.15.0-rc1+ #66
> > [    4.030835] Hardware name: LENOVO 2912W1C/2912W1C, BIOS 6UET70WW (1.50 ) 10/11/2012
> > [    4.030840]  0000000000000000 0000000000000009 ffffffff8138d427 ffff880036c69558
> > [    4.030843]  ffffffff810395e7 0000000000000246 ffffffffa0343ad6 ffff8800b5e0c000
> > [    4.030845]  ffff8800b5222000 ffff8800b6ddf000 0000000000000000 ffff8800b6ddf320
> > [    4.030846] Call Trace:
> > [    4.030855]  [<ffffffff8138d427>] ? dump_stack+0x41/0x51
> > [    4.030861]  [<ffffffff810395e7>] ? warn_slowpath_common+0x78/0x90
> > [    4.030917]  [<ffffffffa0343ad6>] ? intel_modeset_check_state+0x308/0x5f3 [i915]
> > [    4.030920]  [<ffffffff81039697>] ? warn_slowpath_fmt+0x45/0x4a
> > [    4.030976]  [<ffffffffa0343ad6>] ? intel_modeset_check_state+0x308/0x5f3 [i915]
> > [    4.031032]  [<ffffffffa0343dde>] ? intel_set_mode+0x1d/0x27 [i915]
> > [    4.031087]  [<ffffffffa034497f>] ? intel_crtc_set_config+0x717/0xa19 [i915]
> > [    4.031092]  [<ffffffff811cb0d5>] ? ida_get_new_above+0x174/0x18e
> > [    4.031108]  [<ffffffffa02a6b62>] ? drm_mode_set_config_internal+0x48/0xc0 [drm]
> > [    4.031115]  [<ffffffffa0238c92>] ? drm_fb_helper_restore_fbdev_mode+0x8f/0xa8 [drm_kms_helper]
> > [    4.031121]  [<ffffffffa0239f48>] ? drm_fb_helper_set_par+0x44/0xfc [drm_kms_helper]
> > [    4.031125]  [<ffffffff81213913>] ? fbcon_init+0x2ff/0x408
> > [    4.031129]  [<ffffffff81262206>] ? visual_init+0xaf/0x102
> > [    4.031133]  [<ffffffff812638cd>] ? do_bind_con_driver+0x171/0x286
> > [    4.031136]  [<ffffffff81263b14>] ? do_take_over_console+0x132/0x162
> > [    4.031139]  [<ffffffff81210248>] ? do_fbcon_takeover+0x54/0x97
> > [    4.031143]  [<ffffffff81394365>] ? notifier_call_chain+0x2e/0x59
> > [    4.031148]  [<ffffffff810553af>] ? __blocking_notifier_call_chain+0x43/0x5d
> > [    4.031152]  [<ffffffff81209932>] ? register_framebuffer+0x23a/0x296
> > [    4.031159]  [<ffffffffa0239da0>] ? drm_fb_helper_initial_config+0x3ad/0x464 [drm_kms_helper]
> > [    4.031217]  [<ffffffffa033111a>] ? gen5_write32+0x39/0x60 [i915]
> > [    4.031284]  [<ffffffffa0330fb5>] ? gen5_read32+0x55/0x5f [i915]
> > [    4.031352]  [<ffffffffa033111a>] ? gen5_write32+0x39/0x60 [i915]
> > [    4.031437]  [<ffffffffa0367866>] ? i915_driver_load+0xb70/0xded [i915]
> > [    4.031446]  [<ffffffff811cc9cf>] ? kobject_uevent_env+0x486/0x4c8
> > [    4.031457]  [<ffffffff811cc9cf>] ? kobject_uevent_env+0x486/0x4c8
> > [    4.031464]  [<ffffffff8127dfe4>] ? get_device+0x10/0x1c
> > [    4.031469]  [<ffffffff8138216a>] ? klist_add_tail+0x1d/0x44
> > [    4.031474]  [<ffffffff8127f896>] ? device_add+0x4f5/0x506
> > [    4.031495]  [<ffffffffa02a50e7>] ? drm_sysfs_device_add+0xcd/0x105 [drm]
> > [    4.031497] hidraw: raw HID events driver (C) Jiri Kosina
> > [    4.031515]  [<ffffffffa02a23e6>] ? drm_dev_register+0x74/0xe6 [drm]
> > [    4.031537]  [<ffffffffa02a453e>] ? drm_get_pci_dev+0xfc/0x1b9 [drm]
> > [    4.031547]  [<ffffffff81288568>] ? __pm_runtime_resume+0x60/0x6f
> > [    4.031554]  [<ffffffff811f29e1>] ? local_pci_probe+0x35/0x7a
> > [    4.031561]  [<ffffffff81281a9c>] ? driver_probe_device+0x1b3/0x1b3
> > [    4.031565]  [<ffffffff811f2af7>] ? pci_device_probe+0xd1/0xf5
> > [    4.031573]  [<ffffffff8128197b>] ? driver_probe_device+0x92/0x1b3
> > [    4.031578]  [<ffffffff81281aef>] ? __driver_attach+0x53/0x73
> > [    4.031583]  [<ffffffff81280246>] ? bus_for_each_dev+0x4e/0x7f
> > [    4.031589]  [<ffffffff812811fc>] ? bus_add_driver+0xe7/0x1cb
> > [    4.031594]  [<ffffffff81282036>] ? driver_register+0x82/0xb5
> > [    4.031604]  [<ffffffffa03a4000>] ? 0xffffffffa03a3fff
> > [    4.031609]  [<ffffffff81000296>] ? do_one_initcall+0x78/0xfa
> > [    4.031616]  [<ffffffffa03a4000>] ? 0xffffffffa03a3fff
> > [    4.031622]  [<ffffffff81030306>] ? change_page_attr_set+0x23/0x28
> > [    4.031627]  [<ffffffff810553bb>] ? __blocking_notifier_call_chain+0x4f/0x5d
> > [    4.031636]  [<ffffffffa03a4000>] ? 0xffffffffa03a3fff
> > [    4.031642]  [<ffffffff8108cfd6>] ? load_module+0x1a7d/0x1d63
> > [    4.031646]  [<ffffffff8108a252>] ? show_initstate+0x41/0x41
> > [    4.031654]  [<ffffffff81391862>] ? page_fault+0x22/0x30
> > [    4.031660]  [<ffffffff8108d34c>] ? SyS_init_module+0x90/0x9b
> > [    4.031667]  [<ffffffff81397af5>] ? sysenter_dispatch+0x7/0x1a
> > [    4.031670] ---[ end trace 458fdb8d9de23a07 ]---
> > [    4.031727] [drm:intel_pipe_config_compare] *ERROR* mismatch in has_dp_encoder (expected 1, found 0)
> > [    4.031729] ------------[ cut here ]------------
> > [    4.031798] WARNING: CPU: 1 PID: 484 at drivers/gpu/drm/i915/intel_display.c:9828 check_crtc_state+0x7ef/0x827 [i915]()
> > [    4.031799] pipe state doesn't match!
> > [    4.031870] Modules linked in: hid arc4 iwldvm mac80211 snd_hda_intel(+) snd_hda_controller snd_hda_codec snd_hwdep coretemp snd_pcm_oss snd_mixer_oss mxm_wmi snd_pcm kvm_intel iTCO_wdt iTCO_vendor_support kvm thinkpad_acpi nvram snd_seq_midi snd_seq_midi_event snd_rawmidi ghash_clmulni_intel snd_seq snd_timer snd_seq_device aesni_intel aes_x86_64 ablk_helper cryptd lrw evdev gf128mul pcspkr glue_helper psmouse serio_raw snd i915(+) tpm_tis i2c_i801 tpm soundcore drm_kms_helper intel_ips ac battery parport_pc drm parport i2c_algo_bit i2c_core video lpc_ich iwlwifi mfd_core wmi ehci_pci ehci_hcd cfg80211 usbcore rfkill usb_common acpi_cpufreq button processor ext4 crc16 jbd2 mbcache sg sd_mod sr_mod crc_t10dif cdrom crct10dif_common crc32c_intel e1000e ptp microcode pps_core ahci libahci thermal thermal_sys libata scsi_mod sdhci_pci sdhci mmc_core
> > [    4.031881] CPU: 1 PID: 484 Comm: modprobe Tainted: G        W     3.15.0-rc1+ #66
> > [    4.031883] Hardware name: LENOVO 2912W1C/2912W1C, BIOS 6UET70WW (1.50 ) 10/11/2012
> > [    4.031888]  0000000000000000 0000000000000009 ffffffff8138d427 ffff880036c69298
> > [    4.031893]  ffffffff810395e7 ffff880036c69290 ffffffffa0338160 0000000000000000
> > [    4.031896]  ffff88003733b000 ffff8800b6ddf000 ffff880036c69328 ffff88003733b6e0
> > [    4.031897] Call Trace:
> > [    4.031904]  [<ffffffff8138d427>] ? dump_stack+0x41/0x51
> > [    4.031909]  [<ffffffff810395e7>] ? warn_slowpath_common+0x78/0x90
> > [    4.031983]  [<ffffffffa0338160>] ? check_crtc_state+0x7ef/0x827 [i915]
> > [    4.031989]  [<ffffffff81039697>] ? warn_slowpath_fmt+0x45/0x4a
> > [    4.032059]  [<ffffffffa0338160>] ? check_crtc_state+0x7ef/0x827 [i915]
> > [    4.032139]  [<ffffffffa0343b1f>] ? intel_modeset_check_state+0x351/0x5f3 [i915]
> > [    4.032211]  [<ffffffffa0343dde>] ? intel_set_mode+0x1d/0x27 [i915]
> > [    4.032268]  [<ffffffffa034497f>] ? intel_crtc_set_config+0x717/0xa19 [i915]
> > [    4.032272]  [<ffffffff811cb0d5>] ? ida_get_new_above+0x174/0x18e
> > [    4.032287]  [<ffffffffa02a6b62>] ? drm_mode_set_config_internal+0x48/0xc0 [drm]
> > [    4.032294]  [<ffffffffa0238c92>] ? drm_fb_helper_restore_fbdev_mode+0x8f/0xa8 [drm_kms_helper]
> > [    4.032300]  [<ffffffffa0239f48>] ? drm_fb_helper_set_par+0x44/0xfc [drm_kms_helper]
> > [    4.032303]  [<ffffffff81213913>] ? fbcon_init+0x2ff/0x408
> > [    4.032307]  [<ffffffff81262206>] ? visual_init+0xaf/0x102
> > [    4.032310]  [<ffffffff812638cd>] ? do_bind_con_driver+0x171/0x286
> > [    4.032313]  [<ffffffff81263b14>] ? do_take_over_console+0x132/0x162
> > [    4.032316]  [<ffffffff81210248>] ? do_fbcon_takeover+0x54/0x97
> > [    4.032319]  [<ffffffff81394365>] ? notifier_call_chain+0x2e/0x59
> > [    4.032323]  [<ffffffff810553af>] ? __blocking_notifier_call_chain+0x43/0x5d
> > [    4.032327]  [<ffffffff81209932>] ? register_framebuffer+0x23a/0x296
> > [    4.032333]  [<ffffffffa0239da0>] ? drm_fb_helper_initial_config+0x3ad/0x464 [drm_kms_helper]
> > [    4.032385]  [<ffffffffa033111a>] ? gen5_write32+0x39/0x60 [i915]
> > [    4.032436]  [<ffffffffa0330fb5>] ? gen5_read32+0x55/0x5f [i915]
> > [    4.032487]  [<ffffffffa033111a>] ? gen5_write32+0x39/0x60 [i915]
> > [    4.032549]  [<ffffffffa0367866>] ? i915_driver_load+0xb70/0xded [i915]
> > [    4.032553]  [<ffffffff811cc9cf>] ? kobject_uevent_env+0x486/0x4c8
> > [    4.032558]  [<ffffffff811cc9cf>] ? kobject_uevent_env+0x486/0x4c8
> > [    4.032563]  [<ffffffff8127dfe4>] ? get_device+0x10/0x1c
> > [    4.032566]  [<ffffffff8138216a>] ? klist_add_tail+0x1d/0x44
> > [    4.032569]  [<ffffffff8127f896>] ? device_add+0x4f5/0x506
> > [    4.032585]  [<ffffffffa02a50e7>] ? drm_sysfs_device_add+0xcd/0x105 [drm]
> > [    4.032599]  [<ffffffffa02a23e6>] ? drm_dev_register+0x74/0xe6 [drm]
> > [    4.032612]  [<ffffffffa02a453e>] ? drm_get_pci_dev+0xfc/0x1b9 [drm]
> > [    4.032616]  [<ffffffff81288568>] ? __pm_runtime_resume+0x60/0x6f
> > [    4.032620]  [<ffffffff811f29e1>] ? local_pci_probe+0x35/0x7a
> > [    4.032625]  [<ffffffff81281a9c>] ? driver_probe_device+0x1b3/0x1b3
> > [    4.032627]  [<ffffffff811f2af7>] ? pci_device_probe+0xd1/0xf5
> > [    4.032633]  [<ffffffff8128197b>] ? driver_probe_device+0x92/0x1b3
> > [    4.032637]  [<ffffffff81281aef>] ? __driver_attach+0x53/0x73
> > [    4.032641]  [<ffffffff81280246>] ? bus_for_each_dev+0x4e/0x7f
> > [    4.032645]  [<ffffffff812811fc>] ? bus_add_driver+0xe7/0x1cb
> > [    4.032650]  [<ffffffff81282036>] ? driver_register+0x82/0xb5
> > [    4.032656]  [<ffffffffa03a4000>] ? 0xffffffffa03a3fff
> > [    4.032659]  [<ffffffff81000296>] ? do_one_initcall+0x78/0xfa
> > [    4.032664]  [<ffffffffa03a4000>] ? 0xffffffffa03a3fff
> > [    4.032667]  [<ffffffff81030306>] ? change_page_attr_set+0x23/0x28
> > [    4.032670]  [<ffffffff810553bb>] ? __blocking_notifier_call_chain+0x4f/0x5d
> > [    4.032676]  [<ffffffffa03a4000>] ? 0xffffffffa03a3fff
> > [    4.032680]  [<ffffffff8108cfd6>] ? load_module+0x1a7d/0x1d63
> > [    4.032682]  [<ffffffff8108a252>] ? show_initstate+0x41/0x41
> > [    4.032688]  [<ffffffff81391862>] ? page_fault+0x22/0x30
> > [    4.032692]  [<ffffffff8108d34c>] ? SyS_init_module+0x90/0x9b
> > [    4.032697]  [<ffffffff81397af5>] ? sysenter_dispatch+0x7/0x1a
> > [    4.032699] ---[ end trace 458fdb8d9de23a08 ]---
> > [    4.040425] usbcore: registered new interface driver usbhid
> > [    4.040426] usbhid: USB HID core driver
> > [    4.042942] Console: switching to colour frame buffer device 180x56
> > [    4.045676] input: Lenovo ThinkPad Compact USB Keyboard with TrackPoint as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2/1-1.2:1.0/0003:17EF:6047.0001/input/input8
> > [    4.045931] hid-generic 0003:17EF:6047.0001: input,hidraw0: USB HID v1.00 Keyboard [Lenovo ThinkPad Compact USB Keyboard with TrackPoint] on usb-0000:00:1a.0-1.2/input0
> > [    4.046369] input: Lenovo ThinkPad Compact USB Keyboard with TrackPoint as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2/1-1.2:1.1/0003:17EF:6047.0002/input/input9
> > [    4.046641] hid-generic 0003:17EF:6047.0002: input,hiddev0,hidraw1: USB HID v1.00 Mouse [Lenovo ThinkPad Compact USB Keyboard with TrackPoint] on usb-0000:00:1a.0-1.2/input1
> > [    4.058775] usb 1-1.4: new full-speed USB device number 5 using ehci-pci
> > [    4.176862] usb 1-1.4: New USB device found, idVendor=0a5c, idProduct=217f
> > [    4.176864] usb 1-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
> > [    4.176866] usb 1-1.4: Product: Broadcom Bluetooth Device
> > [    4.176867] usb 1-1.4: Manufacturer: Broadcom Corp
> > [    4.176869] usb 1-1.4: SerialNumber: 78DD08B375C7
> > [    4.250898] usb 1-1.6: new high-speed USB device number 6 using ehci-pci
> > [    4.368990] usb 1-1.6: New USB device found, idVendor=17ef, idProduct=480d
> > [    4.368993] usb 1-1.6: New USB device strings: Mfr=1, Product=2, SerialNumber=0
> > [    4.368994] usb 1-1.6: Product: Integrated Camera
> > [    4.368996] usb 1-1.6: Manufacturer: Chicony Electronics Co., Ltd.
> > [    4.386499] random: nonblocking pool is initialized
> > [    4.391691] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
> > [    4.391693] i915 0000:00:02.0: registered panic notifier
> > [    4.400434] Bluetooth: Core ver 2.19
> > [    4.401884] NET: Registered protocol family 31
> > [    4.403352] Bluetooth: HCI device and connection manager initialized
> > [    4.404770] Bluetooth: HCI socket layer initialized
> > [    4.406610] Bluetooth: L2CAP socket layer initialized
> > [    4.408459] Bluetooth: SCO socket layer initialized
> > [    4.413267] ACPI: Video Device [VID] (multi-head: yes  rom: no  post: no)
> > [    4.420520] usbcore: registered new interface driver btusb
> > [    4.435897] acpi device:01: registered as cooling_device4
> > [    4.438496] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input10
> > [    4.441007] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0
> > [    4.443411] snd_hda_intel 0000:00:1b.0: irq 44 for MSI/MSI-X
> > [    4.451068] usb 2-1.4: new high-speed USB device number 3 using ehci-pci
> > [    4.458196] sound hdaudioC0D0: CX20585: BIOS auto-probing.
> > [    4.461103] sound hdaudioC0D0: autoconfig: line_outs=1 (0x1f/0x0/0x0/0x0/0x0) type:speaker
> > [    4.463346] sound hdaudioC0D0:    speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
> > [    4.465529] sound hdaudioC0D0:    hp_outs=2 (0x1c/0x19/0x0/0x0/0x0)
> > [    4.467755] sound hdaudioC0D0:    mono: mono_out=0x0
> > [    4.469841] sound hdaudioC0D0:    inputs:
> > [    4.471911] sound hdaudioC0D0:      Mic=0x1b
> > [    4.474029] sound hdaudioC0D0:      Internal Mic=0x23
> > [    4.476248] sound hdaudioC0D0:      Dock Mic=0x1a
> > [    4.479524] sound hdaudioC0D0: Enable sync_write for stable communication
> > [    4.490952] input: HDA Digital PCBeep as /devices/pci0000:00/0000:00:1b.0/sound/card0/hdaudioC0D0/input11
> > [    4.493522] input: HDA Intel Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input12
> > [    4.496122] input: HDA Intel Dock Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input13
> > [    4.498946] input: HDA Intel Dock Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input14
> > [    4.501598] input: HDA Intel Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input15
> > [    4.504305] input: HDA Intel HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:1b.0/sound/card0/input16
> > [    4.506522] input: HDA Intel HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:1b.0/sound/card0/input17
> > [    4.508522] input: HDA Intel HDMI/DP,pcm=8 as /devices/pci0000:00/0000:00:1b.0/sound/card0/input18
> > [    4.545309] usb 2-1.4: config 1 has an invalid interface number: 1 but max is 0
> > [    4.548355] usb 2-1.4: config 1 has no interface number 0
> > [    4.553718] usb 2-1.4: New USB device found, idVendor=05c6, idProduct=9204
> > [    4.556846] usb 2-1.4: New USB device strings: Mfr=3, Product=2, SerialNumber=0
> > [    4.559960] usb 2-1.4: Product: Qualcomm Gobi 2000
> > [    4.563057] usb 2-1.4: Manufacturer: Qualcomm Incorporated
> > [    4.778813] usbcore: registered new interface driver usbserial
> > [    4.782379] usbcore: registered new interface driver usbserial_generic
> > [    4.785739] usbserial: USB Serial support registered for generic
> > [    4.791257] usbcore: registered new interface driver qcserial
> > [    4.794453] usbserial: USB Serial support registered for Qualcomm USB modem
> > [    4.797433] qcserial 2-1.4:1.1: Qualcomm USB modem converter detected
> > [    4.800431] usb 2-1.4: Qualcomm USB modem converter now attached to ttyUSB0
> > [    6.117297] EXT4-fs (sda3): re-mounted. Opts: (null)
> > [    6.174936] EXT4-fs (sda3): re-mounted. Opts: (null)
> > [    6.203362] loop: module loaded
> > [    6.678975] fuse init (API version 7.23)
> > [    7.233038] e1000e 0000:00:19.0: irq 41 for MSI/MSI-X
> > [    7.242806] [drm:intel_dp_start_link_train] *ERROR* too many full retries, give up
> > [    7.336718] e1000e 0000:00:19.0: irq 41 for MSI/MSI-X
> > [    7.336821] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
> > [    7.338569] iwlwifi 0000:03:00.0: L1 Enabled; Disabling L0S
> > [    7.341068] iwlwifi 0000:03:00.0: Radio type=0x0-0x3-0x1
> > [    7.562838] iwlwifi 0000:03:00.0: L1 Enabled; Disabling L0S
> > [    7.565806] iwlwifi 0000:03:00.0: Radio type=0x0-0x3-0x1
> > [    7.684752] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
> > [    7.944370] RPC: Registered named UNIX socket transport module.
> > [    7.947321] RPC: Registered udp transport module.
> > [    7.950316] RPC: Registered tcp transport module.
> > [    7.953303] RPC: Registered tcp NFSv4.1 backchannel transport module.
> > [    7.961347] FS-Cache: Loaded
> > [    7.975900] FS-Cache: Netfs 'nfs' registered for caching
> > [    7.989129] Installing knfsd (copyright (C) 1996 okir at monad.swb.de).
> > [    8.177354] intel ips 0000:00:1f.6: i915 driver attached, reenabling gpu turbo
> > [    8.362065] NET: Registered protocol family 15
> > [    8.872718] NFSD: Using /var/lib/nfs/v4recovery as the NFSv4 state recovery directory
> > [    8.875552] NFSD: starting 90-second grace period (net ffffffff8167f000)
> > [    9.096132] gre: GRE over IPv4 demultiplexor driver
> > [    9.099914] openvswitch: Open vSwitch switching datapath
> > [    9.308261] ip_tables: (C) 2000-2006 Netfilter Core Team
> > [   10.084042] postgres (4460): /proc/4460/oom_adj is deprecated, please use /proc/4460/oom_score_adj instead.
> > [   10.525199] e1000e: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None
> > [   10.528759] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
> > [   13.448574] ------------[ cut here ]------------
> > [   13.448631] WARNING: CPU: 0 PID: 5212 at drivers/gpu/drm/i915/intel_display.c:860 ironlake_crtc_disable+0xd1/0x83a [i915]()
> > [   13.448633] pipe_off wait timed out
> > [   13.448635] Modules linked in: xt_tcpudp iptable_mangle xt_mark ip_tables x_tables openvswitch gre libcrc32c autofs4 deflate ctr twofish_generic twofish_x86_64_3way xts twofish_x86_64 twofish_common camellia_generic serpent_generic blowfish_generic blowfish_x86_64 blowfish_common cast5_generic cast_common des_generic cbc cmac xcbc rmd160 sha512_generic sha256_generic hmac crypto_null af_key xfrm_algo nfsd auth_rpcgss oid_registry nfs_acl nfs lockd fscache sunrpc fuse loop qcserial usb_wwan usbserial snd_hda_codec_hdmi snd_hda_codec_conexant snd_hda_codec_generic ecb btusb bluetooth hid_generic usbhid hid arc4 iwldvm mac80211 snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep coretemp snd_pcm_oss snd_mixer_oss mxm_wmi snd_pcm kvm_intel iTCO_wdt iTCO_vendor_support kvm thinkpad_acpi nvram snd_seq_midi snd_seq_midi_event snd_rawmidi ghash_clmulni_intel snd_seq snd_timer snd_seq_device aesni_intel aes_x86_64 ablk_helper cryptd lrw evdev gf128mul pcspkr glue_helper psmouse serio_raw snd i915 tpm_tis i2c_i801 tpm soundcore drm_kms_helper intel_ips ac battery parport_pc drm parport i2c_algo_bit i2c_core video lpc_ich iwlwifi mfd_core wmi ehci_pci ehci_hcd cfg80211 usbcore rfkill usb_common acpi_cpufreq button processor ext4 crc16 jbd2 mbcache sg sd_mod sr_mod crc_t10dif cdrom crct10dif_common crc32c_intel e1000e ptp microcode pps_core ahci libahci thermal thermal_sys libata scsi_mod sdhci_pci sdhci mmc_core
> > [   13.448765] CPU: 0 PID: 5212 Comm: Xorg Tainted: G        W     3.15.0-rc1+ #66
> > [   13.448767] Hardware name: LENOVO 2912W1C/2912W1C, BIOS 6UET70WW (1.50 ) 10/11/2012
> > [   13.448770]  0000000000000000 0000000000000009 ffffffff8138d427 ffff880132b25ad8
> > [   13.448774]  ffffffff810395e7 00000000fffee7fd ffffffffa033b439 0000000000000000
> > [   13.448779]  ffff8800b5e0c000 0000000000000001 ffff88003733b000 ffff8800b6ddf000
> > [   13.448783] Call Trace:
> > [   13.448793]  [<ffffffff8138d427>] ? dump_stack+0x41/0x51
> > [   13.448800]  [<ffffffff810395e7>] ? warn_slowpath_common+0x78/0x90
> > [   13.448826]  [<ffffffffa033b439>] ? ironlake_crtc_disable+0xd1/0x83a [i915]
> > [   13.448831]  [<ffffffff81039697>] ? warn_slowpath_fmt+0x45/0x4a
> > [   13.448858]  [<ffffffffa033b439>] ? ironlake_crtc_disable+0xd1/0x83a [i915]
> > [   13.448881]  [<ffffffffa0335583>] ? intel_dump_pipe_config+0x17d/0x311 [i915]
> > [   13.448905]  [<ffffffffa0330fb5>] ? gen5_read32+0x55/0x5f [i915]
> > [   13.448930]  [<ffffffffa0341c7c>] ? __intel_set_mode+0xcfc/0x1193 [i915]
> > [   13.448955]  [<ffffffffa0343dce>] ? intel_set_mode+0xd/0x27 [i915]
> > [   13.448979]  [<ffffffffa034497f>] ? intel_crtc_set_config+0x717/0xa19 [i915]
> > [   13.448997]  [<ffffffffa02a6b62>] ? drm_mode_set_config_internal+0x48/0xc0 [drm]
> > [   13.449011]  [<ffffffffa02a97c7>] ? drm_mode_setcrtc+0x3f2/0x490 [drm]
> > [   13.449025]  [<ffffffffa029dfaa>] ? drm_ioctl+0x25c/0x3a7 [drm]
> > [   13.449039]  [<ffffffffa02a93d5>] ? drm_mode_setplane+0x329/0x329 [drm]
> > [   13.449045]  [<ffffffff812c7059>] ? sock_setsockopt+0x5c5/0x5e8
> > [   13.449062]  [<ffffffffa030e361>] ? i915_compat_ioctl+0x2d/0x34 [i915]
> > [   13.449069]  [<ffffffff81147566>] ? compat_SyS_ioctl+0x1c2/0xedc
> > [   13.449076]  [<ffffffff81397af5>] ? sysenter_dispatch+0x7/0x1a
> > [   13.449079] ---[ end trace 458fdb8d9de23a09 ]---
> > [   13.594913] [drm:ibx_irq_handler] *ERROR* PCH transcoder B FIFO underrun
> > [   16.981255] e1000e: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None
> > [   20.509650] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment
> > [   20.509672] pci 0000:00:1e.0: PCI bridge to [bus 0e]
> > [   20.509705] agpgart-intel 0000:00:00.0: no hotplug settings from platform
> > [   20.509709] agpgart-intel 0000:00:00.0: using default PCI settings
> > [   20.509719] i915 0000:00:02.0: no hotplug settings from platform
> > [   20.509723] i915 0000:00:02.0: using default PCI settings
> > [   20.509732] pci 0000:00:16.0: no hotplug settings from platform
> > [   20.509736] pci 0000:00:16.0: using default PCI settings
> > [   20.509750] e1000e 0000:00:19.0: no hotplug settings from platform
> > [   20.509754] e1000e 0000:00:19.0: using default PCI settings
> > [   20.509768] ehci-pci 0000:00:1a.0: no hotplug settings from platform
> > [   20.509771] ehci-pci 0000:00:1a.0: using default PCI settings
> > [   20.509785] snd_hda_intel 0000:00:1b.0: no hotplug settings from platform
> > [   20.509792] pcieport 0000:00:1c.0: no hotplug settings from platform
> > [   20.509799] pcieport 0000:00:1c.1: no hotplug settings from platform
> > [   20.509838] iwlwifi 0000:03:00.0: no hotplug settings from platform
> > [   20.509845] pcieport 0000:00:1c.3: no hotplug settings from platform
> > [   20.509910] sdhci-pci 0000:05:00.0: no hotplug settings from platform
> > [   20.509973] pci 0000:05:00.1: no hotplug settings from platform
> > [   20.509981] ehci-pci 0000:00:1d.0: no hotplug settings from platform
> > [   20.509984] ehci-pci 0000:00:1d.0: using default PCI settings
> > [   20.509998] pci 0000:00:1e.0: no hotplug settings from platform
> > [   20.510001] pci 0000:00:1e.0: using default PCI settings
> > [   20.510020] lpc_ich 0000:00:1f.0: no hotplug settings from platform
> > [   20.510023] lpc_ich 0000:00:1f.0: using default PCI settings
> > [   20.510038] ahci 0000:00:1f.2: no hotplug settings from platform
> > [   20.510041] ahci 0000:00:1f.2: using default PCI settings
> > [   20.510055] i801_smbus 0000:00:1f.3: no hotplug settings from platform
> > [   20.510059] i801_smbus 0000:00:1f.3: using default PCI settings
> > [   20.510073] intel ips 0000:00:1f.6: no hotplug settings from platform
> > [   20.510077] intel ips 0000:00:1f.6: using default PCI settings
> > [   21.889749] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment
> > [   21.889771] pci 0000:00:1e.0: PCI bridge to [bus 0e]
> > [   21.889811] agpgart-intel 0000:00:00.0: no hotplug settings from platform
> > [   21.889818] agpgart-intel 0000:00:00.0: using default PCI settings
> > [   21.889833] i915 0000:00:02.0: no hotplug settings from platform
> > [   21.889838] i915 0000:00:02.0: using default PCI settings
> > [   21.889852] pci 0000:00:16.0: no hotplug settings from platform
> > [   21.889857] pci 0000:00:16.0: using default PCI settings
> > [   21.889876] e1000e 0000:00:19.0: no hotplug settings from platform
> > [   21.889882] e1000e 0000:00:19.0: using default PCI settings
> > [   21.889899] ehci-pci 0000:00:1a.0: no hotplug settings from platform
> > [   21.889905] ehci-pci 0000:00:1a.0: using default PCI settings
> > [   21.889924] snd_hda_intel 0000:00:1b.0: no hotplug settings from platform
> > [   21.889935] pcieport 0000:00:1c.0: no hotplug settings from platform
> > [   21.889946] pcieport 0000:00:1c.1: no hotplug settings from platform
> > [   21.889990] iwlwifi 0000:03:00.0: no hotplug settings from platform
> > [   21.890001] pcieport 0000:00:1c.3: no hotplug settings from platform
> > [   21.890072] sdhci-pci 0000:05:00.0: no hotplug settings from platform
> > [   21.890141] pci 0000:05:00.1: no hotplug settings from platform
> > [   21.890152] ehci-pci 0000:00:1d.0: no hotplug settings from platform
> > [   21.890157] ehci-pci 0000:00:1d.0: using default PCI settings
> > [   21.890176] pci 0000:00:1e.0: no hotplug settings from platform
> > [   21.890182] pci 0000:00:1e.0: using default PCI settings
> > [   21.890208] lpc_ich 0000:00:1f.0: no hotplug settings from platform
> > [   21.890214] lpc_ich 0000:00:1f.0: using default PCI settings
> > [   21.890235] ahci 0000:00:1f.2: no hotplug settings from platform
> > [   21.890241] ahci 0000:00:1f.2: using default PCI settings
> > [   21.890260] i801_smbus 0000:00:1f.3: no hotplug settings from platform
> > [   21.890266] i801_smbus 0000:00:1f.3: using default PCI settings
> > [   21.890285] intel ips 0000:00:1f.6: no hotplug settings from platform
> > [   21.890291] intel ips 0000:00:1f.6: using default PCI settings
> > [   40.524035] ------------[ cut here ]------------
> > [   40.524100] WARNING: CPU: 3 PID: 5212 at drivers/gpu/drm/i915/intel_display.c:860 ironlake_crtc_disable+0xd1/0x83a [i915]()
> > [   40.524104] pipe_off wait timed out
> > [   40.524106] Modules linked in: xt_tcpudp iptable_mangle xt_mark ip_tables x_tables openvswitch gre libcrc32c autofs4 deflate ctr twofish_generic twofish_x86_64_3way xts twofish_x86_64 twofish_common camellia_generic serpent_generic blowfish_generic blowfish_x86_64 blowfish_common cast5_generic cast_common des_generic cbc cmac xcbc rmd160 sha512_generic sha256_generic hmac crypto_null af_key xfrm_algo nfsd auth_rpcgss oid_registry nfs_acl nfs lockd fscache sunrpc fuse loop qcserial usb_wwan usbserial snd_hda_codec_hdmi snd_hda_codec_conexant snd_hda_codec_generic ecb btusb bluetooth hid_generic usbhid hid arc4 iwldvm mac80211 snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep coretemp snd_pcm_oss snd_mixer_oss mxm_wmi snd_pcm kvm_intel iTCO_wdt iTCO_vendor_support kvm thinkpad_acpi nvram snd_seq_midi snd_seq_midi_event snd_rawmidi ghash_clmulni_intel snd_seq snd_timer snd_seq_device aesni_intel aes_x86_64 ablk_helper cryptd lrw evdev gf128mul pcspkr glue_helper psmouse serio_raw snd i915 tpm_tis i2c_i801 tpm soundcore drm_kms_helper intel_ips ac battery parport_pc drm parport i2c_algo_bit i2c_core video lpc_ich iwlwifi mfd_core wmi ehci_pci ehci_hcd cfg80211 usbcore rfkill usb_common acpi_cpufreq button processor ext4 crc16 jbd2 mbcache sg sd_mod sr_mod crc_t10dif cdrom crct10dif_common crc32c_intel e1000e ptp microcode pps_core ahci libahci thermal thermal_sys libata scsi_mod sdhci_pci sdhci mmc_core
> > [   40.524258] CPU: 3 PID: 5212 Comm: Xorg Tainted: G        W     3.15.0-rc1+ #66
> > [   40.524261] Hardware name: LENOVO 2912W1C/2912W1C, BIOS 6UET70WW (1.50 ) 10/11/2012
> > [   40.524264]  0000000000000000 0000000000000009 ffffffff8138d427 ffff880132b25ad8
> > [   40.524270]  ffffffff810395e7 00000000ffff026a ffffffffa033b439 0000000000000000
> > [   40.524275]  ffff8800b5e0c000 0000000000000001 ffff88003733b000 ffff8800b6ddf000
> > [   40.524280] Call Trace:
> > [   40.524290]  [<ffffffff8138d427>] ? dump_stack+0x41/0x51
> > [   40.524298]  [<ffffffff810395e7>] ? warn_slowpath_common+0x78/0x90
> > [   40.524331]  [<ffffffffa033b439>] ? ironlake_crtc_disable+0xd1/0x83a [i915]
> > [   40.524336]  [<ffffffff81039697>] ? warn_slowpath_fmt+0x45/0x4a
> > [   40.524369]  [<ffffffffa033b439>] ? ironlake_crtc_disable+0xd1/0x83a [i915]
> > [   40.524398]  [<ffffffffa0335583>] ? intel_dump_pipe_config+0x17d/0x311 [i915]
> > [   40.524426]  [<ffffffffa0330fb5>] ? gen5_read32+0x55/0x5f [i915]
> > [   40.524457]  [<ffffffffa0341c7c>] ? __intel_set_mode+0xcfc/0x1193 [i915]
> > [   40.524487]  [<ffffffffa0343dce>] ? intel_set_mode+0xd/0x27 [i915]
> > [   40.524517]  [<ffffffffa034497f>] ? intel_crtc_set_config+0x717/0xa19 [i915]
> > [   40.524537]  [<ffffffffa02a6b62>] ? drm_mode_set_config_internal+0x48/0xc0 [drm]
> > [   40.524555]  [<ffffffffa02a97c7>] ? drm_mode_setcrtc+0x3f2/0x490 [drm]
> > [   40.524572]  [<ffffffffa029dfaa>] ? drm_ioctl+0x25c/0x3a7 [drm]
> > [   40.524590]  [<ffffffffa02a93d5>] ? drm_mode_setplane+0x329/0x329 [drm]
> > [   40.524596]  [<ffffffff81053f74>] ? enqueue_hrtimer+0x36/0x6d
> > [   40.524617]  [<ffffffffa030e361>] ? i915_compat_ioctl+0x2d/0x34 [i915]
> > [   40.524624]  [<ffffffff81147566>] ? compat_SyS_ioctl+0x1c2/0xedc
> > [   40.524630]  [<ffffffff81007e37>] ? read_tsc+0x5/0x14
> > [   40.524636]  [<ffffffff81051055>] ? posix_ktime_get_ts+0x9/0xd
> > [   40.524641]  [<ffffffff81051cb5>] ? SyS_clock_gettime+0x34/0x52
> > [   40.524646]  [<ffffffff81002797>] ? math_state_restore+0xc3/0xe2
> > [   40.524653]  [<ffffffff81397af5>] ? sysenter_dispatch+0x7/0x1a
> > [   40.524656] ---[ end trace 458fdb8d9de23a0a ]---
> > [   40.662236] [drm:ibx_irq_handler] *ERROR* PCH transcoder B FIFO underrun
> > [   72.155793] ------------[ cut here ]------------
> > [   72.155847] WARNING: CPU: 0 PID: 5212 at drivers/gpu/drm/i915/intel_display.c:860 ironlake_crtc_disable+0xd1/0x83a [i915]()
> > [   72.155849] pipe_off wait timed out
> > [   72.155852] Modules linked in: xt_tcpudp iptable_mangle xt_mark ip_tables x_tables openvswitch gre libcrc32c autofs4 deflate ctr twofish_generic twofish_x86_64_3way xts twofish_x86_64 twofish_common camellia_generic serpent_generic blowfish_generic blowfish_x86_64 blowfish_common cast5_generic cast_common des_generic cbc cmac xcbc rmd160 sha512_generic sha256_generic hmac crypto_null af_key xfrm_algo nfsd auth_rpcgss oid_registry nfs_acl nfs lockd fscache sunrpc fuse loop qcserial usb_wwan usbserial snd_hda_codec_hdmi snd_hda_codec_conexant snd_hda_codec_generic ecb btusb bluetooth hid_generic usbhid hid arc4 iwldvm mac80211 snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep coretemp snd_pcm_oss snd_mixer_oss mxm_wmi snd_pcm kvm_intel iTCO_wdt iTCO_vendor_support kvm thinkpad_acpi nvram snd_seq_midi snd_seq_midi_event snd_rawmidi ghash_clmulni_intel snd_seq snd_timer snd_seq_device aesni_intel aes_x86_64 ablk_helper cryptd lrw evdev gf128mul pcspkr glue_helper psmouse serio_raw snd i915 tpm_tis i2c_i801 tpm soundcore drm_kms_helper intel_ips ac battery parport_pc drm parport i2c_algo_bit i2c_core video lpc_ich iwlwifi mfd_core wmi ehci_pci ehci_hcd cfg80211 usbcore rfkill usb_common acpi_cpufreq button processor ext4 crc16 jbd2 mbcache sg sd_mod sr_mod crc_t10dif cdrom crct10dif_common crc32c_intel e1000e ptp microcode pps_core ahci libahci thermal thermal_sys libata scsi_mod sdhci_pci sdhci mmc_core
> > [   72.155978] CPU: 0 PID: 5212 Comm: Xorg Tainted: G        W     3.15.0-rc1+ #66
> > [   72.155981] Hardware name: LENOVO 2912W1C/2912W1C, BIOS 6UET70WW (1.50 ) 10/11/2012
> > [   72.155983]  0000000000000000 0000000000000009 ffffffff8138d427 ffff880132b25c78
> > [   72.155988]  ffffffff810395e7 00000000ffff214d ffffffffa033b439 0000000000000000
> > [   72.155992]  ffff8800b5e0c000 0000000000000001 ffff88003733b000 ffff8800b6ddf000
> > [   72.155997] Call Trace:
> > [   72.156006]  [<ffffffff8138d427>] ? dump_stack+0x41/0x51
> > [   72.156013]  [<ffffffff810395e7>] ? warn_slowpath_common+0x78/0x90
> > [   72.156040]  [<ffffffffa033b439>] ? ironlake_crtc_disable+0xd1/0x83a [i915]
> > [   72.156044]  [<ffffffff81039697>] ? warn_slowpath_fmt+0x45/0x4a
> > [   72.156071]  [<ffffffffa033b439>] ? ironlake_crtc_disable+0xd1/0x83a [i915]
> > [   72.156096]  [<ffffffffa0340b66>] ? intel_crtc_update_dpms+0x53/0x62 [i915]
> > [   72.156120]  [<ffffffffa0344cc0>] ? intel_connector_dpms+0x3f/0x4a [i915]
> > [   72.156136]  [<ffffffffa02aa8da>] ? drm_mode_obj_set_property_ioctl+0x159/0x1e3 [drm]
> > [   72.156152]  [<ffffffffa02aa990>] ? drm_mode_connector_property_set_ioctl+0x2c/0x31 [drm]
> > [   72.156164]  [<ffffffffa029dfaa>] ? drm_ioctl+0x25c/0x3a7 [drm]
> > [   72.156178]  [<ffffffffa02aa964>] ? drm_mode_obj_set_property_ioctl+0x1e3/0x1e3 [drm]
> > [   72.156184]  [<ffffffff8110c671>] ? do_sync_read+0x4b/0x6e
> > [   72.156201]  [<ffffffffa030e361>] ? i915_compat_ioctl+0x2d/0x34 [i915]
> > [   72.156207]  [<ffffffff81147566>] ? compat_SyS_ioctl+0x1c2/0xedc
> > [   72.156212]  [<ffffffff81007e37>] ? read_tsc+0x5/0x14
> > [   72.156217]  [<ffffffff81051055>] ? posix_ktime_get_ts+0x9/0xd
> > [   72.156222]  [<ffffffff81051cb5>] ? SyS_clock_gettime+0x34/0x52
> > [   72.156226]  [<ffffffff81002797>] ? math_state_restore+0xc3/0xe2
> > [   72.156231]  [<ffffffff81397af5>] ? sysenter_dispatch+0x7/0x1a
> > [   72.156234] ---[ end trace 458fdb8d9de23a0b ]---
> > [   78.094586] [drm:ibx_irq_handler] *ERROR* PCH transcoder B FIFO underrun
> >
> > Here are some more informations about the system:
> >
> > (lenovo) [~] lspci
> > 00:00.0 Host bridge: Intel Corporation Core Processor DRAM Controller (rev 02)
> > 00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 02)
> > 00:16.0 Communication controller: Intel Corporation 5 Series/3400 Series Chipset HECI Controller (rev 06)
> > 00:19.0 Ethernet controller: Intel Corporation 82577LM Gigabit Network Connection (rev 06)
> > 00:1a.0 USB controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 06)
> > 00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio (rev 06)
> > 00:1c.0 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 1 (rev 06)
> > 00:1c.1 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 2 (rev 06)
> > 00:1c.3 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 4 (rev 06)
> > 00:1d.0 USB controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 06)
> > 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev a6)
> > 00:1f.0 ISA bridge: Intel Corporation 5 Series/3400 Series Chipset LPC Interface Controller (rev 06)
> > 00:1f.2 SATA controller: Intel Corporation 5 Series/3400 Series Chipset 6 port SATA AHCI Controller (rev 06)
> > 00:1f.3 SMBus: Intel Corporation 5 Series/3400 Series Chipset SMBus Controller (rev 06)
> > 00:1f.6 Signal processing controller: Intel Corporation 5 Series/3400 Series Chipset Thermal Subsystem (rev 06)
> > 03:00.0 Network controller: Intel Corporation Centrino Ultimate-N 6300 (rev 35)
> > 05:00.0 SD Host controller: Ricoh Co Ltd MMC/SD Host Controller (rev 01)
> > 05:00.1 System peripheral: Ricoh Co Ltd R5U2xx (R5U230 / R5U231 / R5U241) [Memory Stick Host Controller] (rev 01)
> > ff:00.0 Host bridge: Intel Corporation Core Processor QuickPath Architecture Generic Non-core Registers (rev 02)
> > ff:00.1 Host bridge: Intel Corporation Core Processor QuickPath Architecture System Address Decoder (rev 02)
> > ff:02.0 Host bridge: Intel Corporation Core Processor QPI Link 0 (rev 02)
> > ff:02.1 Host bridge: Intel Corporation Core Processor QPI Physical 0 (rev 02)
> > ff:02.2 Host bridge: Intel Corporation Core Processor Reserved (rev 02)
> > ff:02.3 Host bridge: Intel Corporation Core Processor Reserved (rev 02)
> > (lenovo) [~] lspci -n
> > 00:00.0 0600: 8086:0044 (rev 02)
> > 00:02.0 0300: 8086:0046 (rev 02)
> > 00:16.0 0780: 8086:3b64 (rev 06)
> > 00:19.0 0200: 8086:10ea (rev 06)
> > 00:1a.0 0c03: 8086:3b3c (rev 06)
> > 00:1b.0 0403: 8086:3b57 (rev 06)
> > 00:1c.0 0604: 8086:3b42 (rev 06)
> > 00:1c.1 0604: 8086:3b44 (rev 06)
> > 00:1c.3 0604: 8086:3b48 (rev 06)
> > 00:1d.0 0c03: 8086:3b34 (rev 06)
> > 00:1e.0 0604: 8086:2448 (rev a6)
> > 00:1f.0 0601: 8086:3b0f (rev 06)
> > 00:1f.2 0106: 8086:3b2f (rev 06)
> > 00:1f.3 0c05: 8086:3b30 (rev 06)
> > 00:1f.6 1180: 8086:3b32 (rev 06)
> > 03:00.0 0280: 8086:4238 (rev 35)
> > 05:00.0 0805: 1180:e822 (rev 01)
> > 05:00.1 0880: 1180:e230 (rev 01)
> > ff:00.0 0600: 8086:2c62 (rev 02)
> > ff:00.1 0600: 8086:2d01 (rev 02)
> > ff:02.0 0600: 8086:2d10 (rev 02)
> > ff:02.1 0600: 8086:2d11 (rev 02)
> > ff:02.2 0600: 8086:2d12 (rev 02)
> > ff:02.3 0600: 8086:2d13 (rev 02)
> >
> > This is where I wanted to get (and get with an older kernel):
> >
> > (lenovo) [~] xrandr
> > Screen 0: minimum 320 x 200, current 1200 x 1920, maximum 8192 x 8192
> > LVDS1 connected (normal left inverted right x axis y axis)
> >    1440x900       60.0 +   59.9     50.0
> >    1360x768       59.8     60.0
> >    1152x864       60.0
> >    1024x768       60.0
> >    800x600        60.3     56.2
> >    640x480        59.9
> > VGA1 disconnected (normal left inverted right x axis y axis)
> > HDMI1 disconnected (normal left inverted right x axis y axis)
> > DP1 connected 1200x1920+0+0 left (normal left inverted right x axis y axis) 518mm x 324mm
> >    1920x1200      60.0*+
> >    1920x1080      50.0     60.0     25.0     30.0
> >    1600x1200      60.0
> >    1680x1050      60.0
> >    1400x1050      60.0
> >    1280x1024      60.0
> >    1440x900       59.9
> >    1280x960       60.0
> >    1360x768       60.0
> >    1280x800       59.8
> >    1280x768       59.9
> >    1280x720       50.0     60.0
> >    1024x768       60.0
> >    1440x480       30.0
> >    800x600        60.3     56.2
> >    720x576        50.0
> >    848x480        60.0
> >    720x480        59.9
> >    640x480        60.0     59.9     59.9
> > HDMI2 disconnected (normal left inverted right x axis y axis)
> > HDMI3 disconnected (normal left inverted right x axis y axis)
> > DP2 disconnected (normal left inverted right x axis y axis)
> > DP3 disconnected (normal left inverted right x axis y axis)
> >
> > Cheers,
> >         Thomas
> 
> -- 
> Jani Nikula, Intel Open Source Technology Center

-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch


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