Re: [Intel-gfx] [4.2-rc4] acpi|drm|i915: circular locking dependency: acpi_video_get_backlight_type

From: Sedat Dilek
Date: Thu Aug 13 2015 - 02:52:34 EST

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On Wed, Aug 12, 2015 at 9:26 PM, Ville SyrjÃlÃ
<ville.syrjala@xxxxxxxxxxxxxxx> wrote:
> On Mon, Aug 10, 2015 at 08:29:00PM +0200, Sedat Dilek wrote:
>> On Sat, Aug 1, 2015 at 2:23 PM, Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote:
>> > On Mon, Jul 27, 2015 at 12:33 AM, Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote:
>> >> Hi,
>> >>
>> >> this my first build of a 4.2-rcN Linux-kernel and I see this...
>> >>
>> >
>> > Just FYI:
>> >
>> > I am *not* seeing this with drm-intel-nightly from below url.
>> >
>> > Also, I plan to test Linux v4.2-rc5.
>> >
>>
>> [ CC Linus ]
>>
>> Knock Knock Knock.
>>
>> This issue still remains here (with CONFIG_DRM_I915=m)...
>>
>> [ 18.269792] ======================================================
>> [ 18.269798] [ INFO: possible circular locking dependency detected ]
>> [ 18.269805] 4.2.0-rc6-1-iniza-small #1 Not tainted
>> [ 18.269810] -------------------------------------------------------
>> [ 18.269816] modprobe/727 is trying to acquire lock:
>> [ 18.269822] (init_mutex){+.+.+.}, at: [<ffffffffa0090f2d>]
>> acpi_video_get_backlight_type+0x17/0x164 [video]
>> [ 18.269840]
>> [ 18.269840] but task is already holding lock:
>> [ 18.269848] (&(&backlight_notifier)->rwsem){++++..}, at:
>> [<ffffffff810a6519>] __blocking_notifier_call_chain+0x39/0x70
>> [ 18.269864]
>> [ 18.269864] which lock already depends on the new lock.
>> [ 18.269864]
>> [ 18.269875]
>> [ 18.269875] the existing dependency chain (in reverse order) is:
>> [ 18.269884]
>> ...
>>
>> Full dmesg log and kernel-config attached.
>>
>> Shall I add Rusty and modules/modprobe folks?
>
> Just got back from vacation and was greeted by this same lockdep splat.
>
> On a hunch I reverted
>
> commit 93a291dfaf9c328ca5a9cea1733af1a128efe890
> Author: Hans de Goede <hdegoede@xxxxxxxxxx>
> Date: Tue Jun 16 16:27:52 2015 +0200
>
> ACPI / video: Move backlight notifier to video_detect.c
>
> and the problem seems to be gone. Hans, any thoughts?
>

Reverting this commit on top of Linux v4.2-rc6 causes troubles here.

$ LC_ALL=C git revert 93a291dfaf9c328ca5a9cea1733af1
error: could not revert 93a291dfaf9c... ACPI / video: Move backlight
notifier to video_detect.c
hint: after resolving the conflicts, mark the corrected paths
hint: with 'git add <paths>' or 'git rm <paths>'
hint: and commit the result with 'git commit'

Provide a suitable patch and I test for you.

- Sedat -

>>
>> - Sedat -
>>
>> > - Sedat -
>> >
>> > [1] http://kernel.ubuntu.com/~kernel-ppa/mainline/drm-intel-nightly/2015-08-01-unstable/
>> > [2] http://kernel.ubuntu.com/~kernel-ppa/mainline/drm-intel-nightly/2015-08-01-unstable/linux-image-4.2.0-994-generic_4.2.0-994.201508010158_amd64.deb
>> >
>> >> [ 24.001043] [drm] Memory usable by graphics device = 2048M
>> >> [ 24.001118] [drm] Replacing VGA console driver
>> >> [ 24.011642] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
>> >> [ 24.011646] [drm] Driver supports precise vblank timestamp query.
>> >> [ 24.012480] vgaarb: device changed decodes:
>> >> PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem
>> >> [ 24.028005]
>> >> [ 24.028014] ======================================================
>> >> [ 24.028020] [ INFO: possible circular locking dependency detected ]
>> >> [ 24.028027] 4.2.0-rc4-1-iniza-small #1 Not tainted
>> >> [ 24.028032] -------------------------------------------------------
>> >> [ 24.028038] modprobe/740 is trying to acquire lock:
>> >> [ 24.028043] (init_mutex){+.+.+.}, at: [<ffffffffa006af2d>]
>> >> acpi_video_get_backlight_type+0x17/0x164 [video]
>> >> [ 24.028060]
>> >> [ 24.028060] but task is already holding lock:
>> >> [ 24.028068] (&(&backlight_notifier)->rwsem){++++..}, at:
>> >> [<ffffffff810a6499>] __blocking_notifier_call_chain+0x39/0x70
>> >> [ 24.028083]
>> >> [ 24.028083] which lock already depends on the new lock.
>> >> [ 24.028083]
>> >> [ 24.028095]
>> >> [ 24.028095] the existing dependency chain (in reverse order) is:
>> >> [ 24.028103]
>> >> [ 24.028103] -> #1 (&(&backlight_notifier)->rwsem){++++..}:
>> >> [ 24.028113] [<ffffffff810da56f>] lock_acquire+0xcf/0x280
>> >> [ 24.028121] [<ffffffff817d6269>] down_write+0x49/0x80
>> >> [ 24.028129] [<ffffffff810a6611>]
>> >> blocking_notifier_chain_register+0x21/0xb0
>> >> [ 24.028138] [<ffffffff814619f8>] backlight_register_notifier+0x18/0x20
>> >> [ 24.028147] [<ffffffffa006b010>]
>> >> acpi_video_get_backlight_type+0xfa/0x164 [video]
>> >> [ 24.028158] [<ffffffffa00a20e9>] 0xffffffffa00a20e9
>> >> [ 24.028164] [<ffffffff810020f8>] do_one_initcall+0x88/0x1c0
>> >> [ 24.028172] [<ffffffff817cc9d2>] do_init_module+0x61/0x1ec
>> >> [ 24.028179] [<ffffffff8111fb78>] load_module+0x2008/0x25c0
>> >> [ 24.028187] [<ffffffff81120256>] SyS_init_module+0x126/0x140
>> >> [ 24.028194] [<ffffffff817d8e32>] entry_SYSCALL_64_fastpath+0x16/0x7a
>> >> [ 24.028202]
>> >> [ 24.028202] -> #0 (init_mutex){+.+.+.}:
>> >> [ 24.028211] [<ffffffff810d989d>] __lock_acquire+0x1f5d/0x21c0
>> >> [ 24.028218] [<ffffffff810da56f>] lock_acquire+0xcf/0x280
>> >> [ 24.028225] [<ffffffff817d4275>] mutex_lock_nested+0x65/0x3c0
>> >> [ 24.028233] [<ffffffffa006af2d>]
>> >> acpi_video_get_backlight_type+0x17/0x164 [video]
>> >> [ 24.028243] [<ffffffffa006b0b2>]
>> >> acpi_video_backlight_notify+0x19/0x2f [video]
>> >> [ 24.028253] [<ffffffff810a629d>] notifier_call_chain+0x5d/0x80
>> >> [ 24.028260] [<ffffffff810a64b1>]
>> >> __blocking_notifier_call_chain+0x51/0x70
>> >> [ 24.028269] [<ffffffff810a64e6>]
>> >> blocking_notifier_call_chain+0x16/0x20
>> >> [ 24.028278] [<ffffffff81461d37>] backlight_device_register+0x197/0x240
>> >> [ 24.028286] [<ffffffffa062bb23>]
>> >> intel_backlight_register+0xb3/0x180 [i915]
>> >> [ 24.028336] [<ffffffffa05fe136>]
>> >> intel_modeset_gem_init+0x176/0x190 [i915]
>> >> [ 24.028371] [<ffffffffa0633112>] i915_driver_load+0xf12/0x14d0 [i915]
>> >> [ 24.028406] [<ffffffffa00ec861>] drm_dev_register+0xb1/0x100 [drm]
>> >> [ 24.028425] [<ffffffffa00ef62d>] drm_get_pci_dev+0x8d/0x1e0 [drm]
>> >> [ 24.028439] [<ffffffffa057e1fb>] i915_pci_probe+0x3b/0x60 [i915]
>> >> [ 24.028463] [<ffffffff814317e5>] local_pci_probe+0x45/0xa0
>> >> [ 24.028470] [<ffffffff81432bad>] pci_device_probe+0xcd/0x120
>> >> [ 24.028477] [<ffffffff8152d3a6>] driver_probe_device+0x136/0x2e0
>> >> [ 24.028485] [<ffffffff8152d5e4>] __driver_attach+0x94/0xa0
>> >> [ 24.028491] [<ffffffff8152b336>] bus_for_each_dev+0x66/0xa0
>> >> [ 24.028499] [<ffffffff8152cede>] driver_attach+0x1e/0x20
>> >> [ 24.028506] [<ffffffff8152cad8>] bus_add_driver+0x1b8/0x230
>> >> [ 24.028513] [<ffffffff8152e580>] driver_register+0x60/0xe0
>> >> [ 24.028520] [<ffffffff814310a4>] __pci_register_driver+0x64/0x70
>> >> [ 24.028527] [<ffffffffa00ef860>] drm_pci_init+0xe0/0x110 [drm]
>> >> [ 24.028540] [<ffffffffa069a0a0>] i915_init+0xa0/0xa8 [i915]
>> >> [ 24.028563] [<ffffffff810020f8>] do_one_initcall+0x88/0x1c0
>> >> [ 24.028570] [<ffffffff817cc9d2>] do_init_module+0x61/0x1ec
>> >> [ 24.028577] [<ffffffff8111fb78>] load_module+0x2008/0x25c0
>> >> [ 24.028584] [<ffffffff81120256>] SyS_init_module+0x126/0x140
>> >> [ 24.028591] [<ffffffff817d8e32>] entry_SYSCALL_64_fastpath+0x16/0x7a
>> >> [ 24.028598]
>> >> [ 24.028598] other info that might help us debug this:
>> >> [ 24.028598]
>> >> [ 24.028609] Possible unsafe locking scenario:
>> >> [ 24.028609]
>> >> [ 24.028617] CPU0 CPU1
>> >> [ 24.028622] ---- ----
>> >> [ 24.028627] lock(&(&backlight_notifier)->rwsem);
>> >> [ 24.028633] lock(init_mutex);
>> >> [ 24.028639]
>> >> lock(&(&backlight_notifier)->rwsem);
>> >> [ 24.028648] lock(init_mutex);
>> >> [ 24.028654]
>> >> [ 24.028654] *** DEADLOCK ***
>> >> [ 24.028654]
>> >> [ 24.028664] 4 locks held by modprobe/740:
>> >> [ 24.028669] #0: (&dev->mutex){......}, at: [<ffffffff8152d59b>]
>> >> __driver_attach+0x4b/0xa0
>> >> [ 24.028681] #1: (&dev->mutex){......}, at: [<ffffffff8152d5a9>]
>> >> __driver_attach+0x59/0xa0
>> >> [ 24.028693] #2: (drm_global_mutex){+.+.+.}, at:
>> >> [<ffffffffa00ec7d6>] drm_dev_register+0x26/0x100 [drm]
>> >> [ 24.028711] #3: (&(&backlight_notifier)->rwsem){++++..}, at:
>> >> [<ffffffff810a6499>] __blocking_notifier_call_chain+0x39/0x70
>> >> [ 24.028725]
>> >> [ 24.028725] stack backtrace:
>> >> [ 24.028734] CPU: 1 PID: 740 Comm: modprobe Not tainted
>> >> 4.2.0-rc4-1-iniza-small #1
>> >> [ 24.028742] Hardware name: SAMSUNG ELECTRONICS CO., LTD.
>> >> 530U3BI/530U4BI/530U4BH/530U3BI/530U4BI/530U4BH, BIOS 13XK 03/28/2013
>> >> [ 24.028753] ffffffff8269fc40 ffff8801188134b8 ffffffff817cea9b
>> >> 0000000000000011
>> >> [ 24.028763] ffffffff8269fc40 ffff880118813508 ffffffff817cbfc4
>> >> ffff8800d3a00b40
>> >> [ 24.028774] ffff880118813578 ffff8800d3a01410 0000000000000004
>> >> ffff8800d3a01410
>> >> [ 24.028784] Call Trace:
>> >> [ 24.028791] [<ffffffff817cea9b>] dump_stack+0x4c/0x65
>> >> [ 24.028797] [<ffffffff817cbfc4>] print_circular_bug+0x20b/0x21c
>> >> [ 24.028804] [<ffffffff810d989d>] __lock_acquire+0x1f5d/0x21c0
>> >> [ 24.028812] [<ffffffff810da56f>] lock_acquire+0xcf/0x280
>> >> [ 24.028819] [<ffffffffa006af2d>] ?
>> >> acpi_video_get_backlight_type+0x17/0x164 [video]
>> >> [ 24.028830] [<ffffffff817d4275>] mutex_lock_nested+0x65/0x3c0
>> >> [ 24.028837] [<ffffffffa006af2d>] ?
>> >> acpi_video_get_backlight_type+0x17/0x164 [video]
>> >> [ 24.028847] [<ffffffffa006af2d>]
>> >> acpi_video_get_backlight_type+0x17/0x164 [video]
>> >> [ 24.028857] [<ffffffffa006b0b2>]
>> >> acpi_video_backlight_notify+0x19/0x2f [video]
>> >> [ 24.028866] [<ffffffff810a629d>] notifier_call_chain+0x5d/0x80
>> >> [ 24.028873] [<ffffffff810a64b1>] __blocking_notifier_call_chain+0x51/0x70
>> >> [ 24.028880] [<ffffffff810a64e6>] blocking_notifier_call_chain+0x16/0x20
>> >> [ 24.028887] [<ffffffff81461d37>] backlight_device_register+0x197/0x240
>> >> [ 24.028920] [<ffffffffa062bb23>] intel_backlight_register+0xb3/0x180 [i915]
>> >> [ 24.028952] [<ffffffffa05fe136>] intel_modeset_gem_init+0x176/0x190 [i915]
>> >> [ 24.028984] [<ffffffffa0633112>] i915_driver_load+0xf12/0x14d0 [i915]
>> >> [ 24.028991] [<ffffffff810d73e9>] ? mark_held_locks+0x69/0x90
>> >> [ 24.028997] [<ffffffff817d5cd0>] ? __mutex_unlock_slowpath+0xc0/0x180
>> >> [ 24.029004] [<ffffffff810d73e9>] ? mark_held_locks+0x69/0x90
>> >> [ 24.029011] [<ffffffff817d84d6>] ? _raw_spin_unlock_irqrestore+0x36/0x60
>> >> [ 24.029018] [<ffffffff810d7561>] ? trace_hardirqs_on_caller+0x151/0x1e0
>> >> [ 24.029025] [<ffffffff810d75fd>] ? trace_hardirqs_on+0xd/0x10
>> >> [ 24.029039] [<ffffffffa00ec861>] drm_dev_register+0xb1/0x100 [drm]
>> >> [ 24.029052] [<ffffffffa00ef62d>] drm_get_pci_dev+0x8d/0x1e0 [drm]
>> >> [ 24.029076] [<ffffffffa057e1fb>] i915_pci_probe+0x3b/0x60 [i915]
>> >> [ 24.029082] [<ffffffff814317e5>] local_pci_probe+0x45/0xa0
>> >> [ 24.029089] [<ffffffff81432a70>] ? pci_match_device+0xe0/0x110
>> >> [ 24.029095] [<ffffffff81432bad>] pci_device_probe+0xcd/0x120
>> >> [ 24.029102] [<ffffffff8152d3a6>] driver_probe_device+0x136/0x2e0
>> >> [ 24.029109] [<ffffffff8152d5e4>] __driver_attach+0x94/0xa0
>> >> [ 24.029115] [<ffffffff8152d550>] ? driver_probe_device+0x2e0/0x2e0
>> >> [ 24.029124] [<ffffffff8152b336>] bus_for_each_dev+0x66/0xa0
>> >> [ 24.029134] [<ffffffff8152cede>] driver_attach+0x1e/0x20
>> >> [ 24.029144] [<ffffffff8152cad8>] bus_add_driver+0x1b8/0x230
>> >> [ 24.029153] [<ffffffff8152e580>] driver_register+0x60/0xe0
>> >> [ 24.029163] [<ffffffff814310a4>] __pci_register_driver+0x64/0x70
>> >> [ 24.029180] [<ffffffffa00ef860>] drm_pci_init+0xe0/0x110 [drm]
>> >> [ 24.029190] [<ffffffffa069a000>] ? 0xffffffffa069a000
>> >> [ 24.029218] [<ffffffffa069a0a0>] i915_init+0xa0/0xa8 [i915]
>> >> [ 24.029228] [<ffffffff810020f8>] do_one_initcall+0x88/0x1c0
>> >> [ 24.029238] [<ffffffff817cc999>] ? do_init_module+0x28/0x1ec
>> >> [ 24.029248] [<ffffffff817cc9d2>] do_init_module+0x61/0x1ec
>> >> [ 24.029257] [<ffffffff8111fb78>] load_module+0x2008/0x25c0
>> >> [ 24.029266] [<ffffffff8111b6c0>] ? m_show+0x1a0/0x1a0
>> >> [ 24.029278] [<ffffffff817d9a73>] ? retint_kernel+0x10/0x10
>> >> [ 24.029290] [<ffffffff81120256>] SyS_init_module+0x126/0x140
>> >> [ 24.029297] [<ffffffff817d8e32>] entry_SYSCALL_64_fastpath+0x16/0x7a
>> >> [ 24.030969] ACPI: Video Device [GFX0] (multi-head: yes rom: no post: no)
>> >> [ 24.031157] input: Video Bus as
>> >> /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input11
>> >> [ 24.031353] [drm] Initialized i915 1.6.0 20150522 for 0000:00:02.0 on minor 0
>> >> [ 24.041224] fbcon: inteldrmfb (fb0) is primary device
>> >>
>> >> Not sure which area is the root cause, so I added acpi and drm/i915 folks.
>> >>
>> >> dmesg and kernel-config are attached.
>> >> More infos?
>> >> Please let me know what you need.
>> >>
>> >> Regards,
>> >> - sed@ -
>
>> [ 0.000000] Initializing cgroup subsys cpuset
>> [ 0.000000] Initializing cgroup subsys cpu
>> [ 0.000000] Initializing cgroup subsys cpuacct
>> [ 0.000000] Linux version 4.2.0-rc6-1-iniza-small (sedat.dilek@xxxxxxxxx@fambox) (gcc version 4.9.2 (Ubuntu 4.9.2-0ubuntu1~12.04) ) #1 SMP Mon Aug 10 19:35:16 CEST 2015
>> [ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-4.2.0-rc6-1-iniza-small root=UUID=001AADA61AAD9964 loop=/ubuntu/disks/root.disk ro
>> [ 0.000000] KERNEL supported cpus:
>> [ 0.000000] Intel GenuineIntel
>> [ 0.000000] AMD AuthenticAMD
>> [ 0.000000] Centaur CentaurHauls
>> [ 0.000000] Disabled fast string operations
>> [ 0.000000] x86/fpu: xstate_offset[2]: 0240, xstate_sizes[2]: 0100
>> [ 0.000000] x86/fpu: Supporting XSAVE feature 0x01: 'x87 floating point registers'
>> [ 0.000000] x86/fpu: Supporting XSAVE feature 0x02: 'SSE registers'
>> [ 0.000000] x86/fpu: Supporting XSAVE feature 0x04: 'AVX registers'
>> [ 0.000000] x86/fpu: Enabled xstate features 0x7, context size is 0x340 bytes, using 'standard' format.
>> [ 0.000000] x86/fpu: Using 'eager' FPU context switches.
>> [ 0.000000] e820: BIOS-provided physical RAM map:
>> [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009d7ff] usable
>> [ 0.000000] BIOS-e820: [mem 0x000000000009d800-0x000000000009ffff] reserved
>> [ 0.000000] BIOS-e820: [mem 0x00000000000e0000-0x00000000000fffff] reserved
>> [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000001fffffff] usable
>> [ 0.000000] BIOS-e820: [mem 0x0000000020000000-0x00000000201fffff] reserved
>> [ 0.000000] BIOS-e820: [mem 0x0000000020200000-0x000000003fffffff] usable
>> [ 0.000000] BIOS-e820: [mem 0x0000000040000000-0x00000000401fffff] reserved
>> [ 0.000000] BIOS-e820: [mem 0x0000000040200000-0x00000000d9c9efff] usable
>> [ 0.000000] BIOS-e820: [mem 0x00000000d9c9f000-0x00000000dae7efff] reserved
>> [ 0.000000] BIOS-e820: [mem 0x00000000dae7f000-0x00000000daf9efff] ACPI NVS
>> [ 0.000000] BIOS-e820: [mem 0x00000000daf9f000-0x00000000daffefff] ACPI data
>> [ 0.000000] BIOS-e820: [mem 0x00000000dafff000-0x00000000daffffff] usable
>> [ 0.000000] BIOS-e820: [mem 0x00000000db000000-0x00000000df9fffff] reserved
>> [ 0.000000] BIOS-e820: [mem 0x00000000f8000000-0x00000000fbffffff] reserved
>> [ 0.000000] BIOS-e820: [mem 0x00000000fec00000-0x00000000fec00fff] reserved
>> [ 0.000000] BIOS-e820: [mem 0x00000000fed08000-0x00000000fed08fff] reserved
>> [ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved
>> [ 0.000000] BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed1ffff] reserved
>> [ 0.000000] BIOS-e820: [mem 0x00000000fee00000-0x00000000fee00fff] reserved
>> [ 0.000000] BIOS-e820: [mem 0x00000000ffd80000-0x00000000ffffffff] reserved
>> [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000011fdfffff] usable
>> [ 0.000000] NX (Execute Disable) protection: active
>> [ 0.000000] SMBIOS 2.6 present.
>> [ 0.000000] DMI: SAMSUNG ELECTRONICS CO., LTD. 530U3BI/530U4BI/530U4BH/530U3BI/530U4BI/530U4BH, BIOS 13XK 03/28/2013
>> [ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
>> [ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable
>> [ 0.000000] e820: last_pfn = 0x11fe00 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 base 000000000 mask F80000000 write-back
>> [ 0.000000] 1 base 080000000 mask FC0000000 write-back
>> [ 0.000000] 2 base 0C0000000 mask FE0000000 write-back
>> [ 0.000000] 3 base 0DC000000 mask FFC000000 uncachable
>> [ 0.000000] 4 base 0DB000000 mask FFF000000 uncachable
>> [ 0.000000] 5 base 100000000 mask FE0000000 write-back
>> [ 0.000000] 6 base 11FE00000 mask FFFE00000 uncachable
>> [ 0.000000] 7 base 0FFC00000 mask FFFC00000 write-protect
>> [ 0.000000] 8 disabled
>> [ 0.000000] 9 disabled
>> [ 0.000000] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WC UC- WT
>> [ 0.000000] e820: last_pfn = 0xdb000 max_arch_pfn = 0x400000000
>> [ 0.000000] found SMP MP-table at [mem 0x000f00e0-0x000f00ef] mapped at [ffff8800000f00e0]
>> [ 0.000000] Scanning 1 areas for low memory corruption
>> [ 0.000000] Base memory trampoline at [ffff880000097000] 97000 size 24576
>> [ 0.000000] reserving inaccessible SNB gfx pages
>> [ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff]
>> [ 0.000000] [mem 0x00000000-0x000fffff] page 4k
>> [ 0.000000] BRK [0x02ccd000, 0x02ccdfff] PGTABLE
>> [ 0.000000] BRK [0x02cce000, 0x02ccefff] PGTABLE
>> [ 0.000000] BRK [0x02ccf000, 0x02ccffff] PGTABLE
>> [ 0.000000] init_memory_mapping: [mem 0x11fc00000-0x11fdfffff]
>> [ 0.000000] [mem 0x11fc00000-0x11fdfffff] page 2M
>> [ 0.000000] BRK [0x02cd0000, 0x02cd0fff] PGTABLE
>> [ 0.000000] init_memory_mapping: [mem 0x100000000-0x11fbfffff]
>> [ 0.000000] [mem 0x100000000-0x11fbfffff] page 2M
>> [ 0.000000] init_memory_mapping: [mem 0xc0000000-0xd9c9efff]
>> [ 0.000000] [mem 0xc0000000-0xd9bfffff] page 2M
>> [ 0.000000] [mem 0xd9c00000-0xd9c9efff] page 4k
>> [ 0.000000] BRK [0x02cd1000, 0x02cd1fff] PGTABLE
>> [ 0.000000] BRK [0x02cd2000, 0x02cd2fff] PGTABLE
>> [ 0.000000] init_memory_mapping: [mem 0xdafff000-0xdaffffff]
>> [ 0.000000] [mem 0xdafff000-0xdaffffff] page 4k
>> [ 0.000000] init_memory_mapping: [mem 0x00100000-0x1fffffff]
>> [ 0.000000] [mem 0x00100000-0x001fffff] page 4k
>> [ 0.000000] [mem 0x00200000-0x1fffffff] page 2M
>> [ 0.000000] init_memory_mapping: [mem 0x20200000-0x3fffffff]
>> [ 0.000000] [mem 0x20200000-0x3fffffff] page 2M
>> [ 0.000000] init_memory_mapping: [mem 0x40200000-0xbfffffff]
>> [ 0.000000] [mem 0x40200000-0xbfffffff] page 2M
>> [ 0.000000] RAMDISK: [mem 0x378f8000-0x37c73fff]
>> [ 0.000000] ACPI: Early table checksum verification disabled
>> [ 0.000000] ACPI: RSDP 0x00000000000F0100 000024 (v02 SECCSD)
>> [ 0.000000] ACPI: XSDT 0x00000000DAFFE170 00008C (v01 SECCSD LH43STAR 00000002 PTEC 00000002)
>> [ 0.000000] ACPI: FACP 0x00000000DAFEF000 00010C (v05 SECCSD LH43STAR 00000002 PTL 00000002)
>> [ 0.000000] ACPI: DSDT 0x00000000DAFF2000 0083AC (v02 SECCSD SNB-CPT 00000000 INTL 20061109)
>> [ 0.000000] ACPI: FACS 0x00000000DAF47000 000040
>> [ 0.000000] ACPI: SLIC 0x00000000DAFFD000 000176 (v01 SECCSD LH43STAR 00000002 PTEC 00000001)
>> [ 0.000000] ACPI: SSDT 0x00000000DAFFB000 001068 (v01 SECCSD PtidDevc 00001000 INTL 20061109)
>> [ 0.000000] ACPI: ASF! 0x00000000DAFF1000 0000A5 (v32 SECCSD LH43STAR 00000002 PTL 00000002)
>> [ 0.000000] ACPI: HPET 0x00000000DAFEE000 000038 (v01 SECCSD LH43STAR 00000002 PTL 00000002)
>> [ 0.000000] ACPI: APIC 0x00000000DAFED000 000098 (v03 SECCSD LH43STAR 00000002 PTL 00000002)
>> [ 0.000000] ACPI: MCFG 0x00000000DAFEC000 00003C (v01 SECCSD LH43STAR 00000002 PTL 00000002)
>> [ 0.000000] ACPI: SSDT 0x00000000DAFEB000 000804 (v01 PmRef Cpu0Ist 00003000 INTL 20061109)
>> [ 0.000000] ACPI: SSDT 0x00000000DAFEA000 000996 (v01 PmRef CpuPm 00003000 INTL 20061109)
>> [ 0.000000] ACPI: UEFI 0x00000000DAFE9000 00003E (v01 SECCSD LH43STAR 00000002 PTL 00000002)
>> [ 0.000000] ACPI: UEFI 0x00000000DAFE8000 000042 (v01 PTL COMBUF 00000001 PTL 00000001)
>> [ 0.000000] ACPI: UEFI 0x00000000DAFE7000 00026A (v01 SECCSD LH43STAR 00000002 PTL 00000002)
>> [ 0.000000] ACPI: SSDT 0x00000000DAFE6000 0000D0 (v01 Iffs IffsAsl 00003000 INTL 20061109)
>> [ 0.000000] ACPI: Local APIC address 0xfee00000
>> [ 0.000000] No NUMA configuration found
>> [ 0.000000] Faking a node at [mem 0x0000000000000000-0x000000011fdfffff]
>> [ 0.000000] NODE_DATA(0) allocated [mem 0x11fdf8000-0x11fdfcfff]
>> [ 0.000000] [ffffea0000000000-ffffea00047fffff] PMD -> [ffff88011b400000-ffff88011f3fffff] on node 0
>> [ 0.000000] Zone ranges:
>> [ 0.000000] DMA [mem 0x0000000000001000-0x0000000000ffffff]
>> [ 0.000000] DMA32 [mem 0x0000000001000000-0x00000000ffffffff]
>> [ 0.000000] Normal [mem 0x0000000100000000-0x000000011fdfffff]
>> [ 0.000000] Movable zone start for each node
>> [ 0.000000] Early memory node ranges
>> [ 0.000000] node 0: [mem 0x0000000000001000-0x000000000009cfff]
>> [ 0.000000] node 0: [mem 0x0000000000100000-0x000000001fffffff]
>> [ 0.000000] node 0: [mem 0x0000000020200000-0x000000003fffffff]
>> [ 0.000000] node 0: [mem 0x0000000040200000-0x00000000d9c9efff]
>> [ 0.000000] node 0: [mem 0x00000000dafff000-0x00000000daffffff]
>> [ 0.000000] node 0: [mem 0x0000000100000000-0x000000011fdfffff]
>> [ 0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x000000011fdfffff]
>> [ 0.000000] On node 0 totalpages: 1021500
>> [ 0.000000] DMA zone: 64 pages used for memmap
>> [ 0.000000] DMA zone: 156 pages reserved
>> [ 0.000000] DMA zone: 3996 pages, LIFO batch:0
>> [ 0.000000] DMA32 zone: 13859 pages used for memmap
>> [ 0.000000] DMA32 zone: 886944 pages, LIFO batch:31
>> [ 0.000000] Normal zone: 2040 pages used for memmap
>> [ 0.000000] Normal zone: 130560 pages, LIFO batch:31
>> [ 0.000000] Reserving Intel graphics stolen memory at 0xdba00000-0xdf9fffff
>> [ 0.000000] ACPI: PM-Timer IO Port: 0x408
>> [ 0.000000] ACPI: Local APIC address 0xfee00000
>> [ 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] IOAPIC[0]: apic_id 14, version 32, address 0xfec00000, GSI 0-23
>> [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
>> [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
>> [ 0.000000] ACPI: IRQ0 used by override.
>> [ 0.000000] ACPI: IRQ9 used by override.
>> [ 0.000000] Using ACPI (MADT) for SMP configuration information
>> [ 0.000000] ACPI: HPET id: 0x8086a301 base: 0xfed00000
>> [ 0.000000] smpboot: Allowing 8 CPUs, 4 hotplug CPUs
>> [ 0.000000] PM: Registered nosave memory: [mem 0x00000000-0x00000fff]
>> [ 0.000000] PM: Registered nosave memory: [mem 0x0009d000-0x0009dfff]
>> [ 0.000000] PM: Registered nosave memory: [mem 0x0009e000-0x0009ffff]
>> [ 0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000dffff]
>> [ 0.000000] PM: Registered nosave memory: [mem 0x000e0000-0x000fffff]
>> [ 0.000000] PM: Registered nosave memory: [mem 0x20000000-0x201fffff]
>> [ 0.000000] PM: Registered nosave memory: [mem 0x40000000-0x401fffff]
>> [ 0.000000] PM: Registered nosave memory: [mem 0xd9c9f000-0xdae7efff]
>> [ 0.000000] PM: Registered nosave memory: [mem 0xdae7f000-0xdaf9efff]
>> [ 0.000000] PM: Registered nosave memory: [mem 0xdaf9f000-0xdaffefff]
>> [ 0.000000] PM: Registered nosave memory: [mem 0xdb000000-0xdf9fffff]
>> [ 0.000000] PM: Registered nosave memory: [mem 0xdfa00000-0xf7ffffff]
>> [ 0.000000] PM: Registered nosave memory: [mem 0xf8000000-0xfbffffff]
>> [ 0.000000] PM: Registered nosave memory: [mem 0xfc000000-0xfebfffff]
>> [ 0.000000] PM: Registered nosave memory: [mem 0xfec00000-0xfec00fff]
>> [ 0.000000] PM: Registered nosave memory: [mem 0xfec01000-0xfed07fff]
>> [ 0.000000] PM: Registered nosave memory: [mem 0xfed08000-0xfed08fff]
>> [ 0.000000] PM: Registered nosave memory: [mem 0xfed09000-0xfed0ffff]
>> [ 0.000000] PM: Registered nosave memory: [mem 0xfed10000-0xfed19fff]
>> [ 0.000000] PM: Registered nosave memory: [mem 0xfed1a000-0xfed1bfff]
>> [ 0.000000] PM: Registered nosave memory: [mem 0xfed1c000-0xfed1ffff]
>> [ 0.000000] PM: Registered nosave memory: [mem 0xfed20000-0xfedfffff]
>> [ 0.000000] PM: Registered nosave memory: [mem 0xfee00000-0xfee00fff]
>> [ 0.000000] PM: Registered nosave memory: [mem 0xfee01000-0xffd7ffff]
>> [ 0.000000] PM: Registered nosave memory: [mem 0xffd80000-0xffffffff]
>> [ 0.000000] e820: [mem 0xdfa00000-0xf7ffffff] available for PCI devices
>> [ 0.000000] Booting paravirtualized kernel on bare hardware
>> [ 0.000000] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645519600211568 ns
>> [ 0.000000] setup_percpu: NR_CPUS:256 nr_cpumask_bits:256 nr_cpu_ids:8 nr_node_ids:1
>> [ 0.000000] PERCPU: Embedded 34 pages/cpu @ffff88011fa00000 s100680 r8192 d30392 u262144
>> [ 0.000000] pcpu-alloc: s100680 r8192 d30392 u262144 alloc=1*2097152
>> [ 0.000000] pcpu-alloc: [0] 0 1 2 3 4 5 6 7
>> [ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total pages: 1005381
>> [ 0.000000] Policy zone: Normal
>> [ 0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.2.0-rc6-1-iniza-small root=UUID=001AADA61AAD9964 loop=/ubuntu/disks/root.disk ro
>> [ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
>> [ 0.000000] Calgary: detecting Calgary via BIOS EBDA area
>> [ 0.000000] Calgary: Unable to locate Rio Grande table in EBDA - bailing!
>> [ 0.000000] Memory: 3918756K/4086000K available (8058K kernel code, 1369K rwdata, 3456K rodata, 1428K init, 14368K bss, 167244K reserved, 0K cma-reserved)
>> [ 0.000000] Running RCU self tests
>> [ 0.000000] Hierarchical RCU implementation.
>> [ 0.000000] RCU lockdep checking is enabled.
>> [ 0.000000] Build-time adjustment of leaf fanout to 64.
>> [ 0.000000] RCU restricting CPUs from NR_CPUS=256 to nr_cpu_ids=8.
>> [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=64, nr_cpu_ids=8
>> [ 0.000000] NR_IRQS:16640 nr_irqs:488 16
>> [ 0.000000] Console: colour dummy device 80x25
>> [ 0.000000] console [tty0] enabled
>> [ 0.000000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
>> [ 0.000000] ... MAX_LOCKDEP_SUBCLASSES: 8
>> [ 0.000000] ... MAX_LOCK_DEPTH: 48
>> [ 0.000000] ... MAX_LOCKDEP_KEYS: 8191
>> [ 0.000000] ... CLASSHASH_SIZE: 4096
>> [ 0.000000] ... MAX_LOCKDEP_ENTRIES: 32768
>> [ 0.000000] ... MAX_LOCKDEP_CHAINS: 65536
>> [ 0.000000] ... CHAINHASH_SIZE: 32768
>> [ 0.000000] memory used by lock dependency info: 8159 kB
>> [ 0.000000] per task-struct memory footprint: 1920 bytes
>> [ 0.000000] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 133484882848 ns
>> [ 0.000000] hpet clockevent registered
>> [ 0.000000] tsc: Fast TSC calibration using PIT
>> [ 0.000000] tsc: Detected 1596.448 MHz processor
>> [ 0.000077] Calibrating delay loop (skipped), value calculated using timer frequency.. 3192.89 BogoMIPS (lpj=6385792)
>> [ 0.000090] pid_max: default: 32768 minimum: 301
>> [ 0.000115] ACPI: Core revision 20150619
>> [ 0.018881] ACPI: All ACPI Tables successfully acquired
>> [ 0.018997] Security Framework initialized
>> [ 0.019010] AppArmor: AppArmor initialized
>> [ 0.019015] Yama: becoming mindful.
>> [ 0.019954] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes)
>> [ 0.021291] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes)
>> [ 0.021771] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes)
>> [ 0.021793] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes)
>> [ 0.022978] Initializing cgroup subsys blkio
>> [ 0.023013] Initializing cgroup subsys memory
>> [ 0.023040] Initializing cgroup subsys devices
>> [ 0.023074] Initializing cgroup subsys freezer
>> [ 0.023106] Initializing cgroup subsys perf_event
>> [ 0.023118] Initializing cgroup subsys hugetlb
>> [ 0.023167] Disabled fast string operations
>> [ 0.023174] CPU: Physical Processor ID: 0
>> [ 0.023179] CPU: Processor Core ID: 0
>> [ 0.023189] ENERGY_PERF_BIAS: Set to 'normal', was 'performance'
>> [ 0.023195] ENERGY_PERF_BIAS: View and update with x86_energy_perf_policy(8)
>> [ 0.023203] mce: CPU supports 7 MCE banks
>> [ 0.023222] CPU0: Thermal monitoring enabled (TM1)
>> [ 0.023243] process: using mwait in idle threads
>> [ 0.023251] Last level iTLB entries: 4KB 512, 2MB 8, 4MB 8
>> [ 0.023258] Last level dTLB entries: 4KB 512, 2MB 32, 4MB 32, 1GB 0
>> [ 0.023488] Freeing SMP alternatives memory: 24K (ffffffff81ebd000 - ffffffff81ec3000)
>> [ 0.037153] ftrace: allocating 29005 entries in 114 pages
>> [ 0.053480] x2apic: IRQ remapping doesn't support X2APIC mode
>> [ 0.054112] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
>> [ 0.093783] TSC deadline timer enabled
>> [ 0.093788] smpboot: CPU0: Intel(R) Core(TM) i5-2467M CPU @ 1.60GHz (fam: 06, model: 2a, stepping: 07)
>> [ 0.093843] Performance Events: PEBS fmt1+, 16-deep LBR, SandyBridge events, full-width counters, Intel PMU driver.
>> [ 0.093887] ... version: 3
>> [ 0.093892] ... bit width: 48
>> [ 0.093897] ... generic registers: 4
>> [ 0.093902] ... value mask: 0000ffffffffffff
>> [ 0.093907] ... max period: 0000ffffffffffff
>> [ 0.093913] ... fixed-purpose events: 3
>> [ 0.093917] ... event mask: 000000070000000f
>> [ 0.095923] x86: Booting SMP configuration:
>> [ 0.095930] .... node #0, CPUs: #1
>> [ 0.096967] Disabled fast string operations
>> [ 0.099580] NMI watchdog: enabled on all CPUs, permanently consumes one hw-PMU counter.
>> [ 0.100113] #2
>> [ 0.101140] Disabled fast string operations
>> [ 0.103734] #3<6>[ 0.104768] Disabled fast string operations
>> [ 0.106933] x86: Booted up 1 node, 4 CPUs
>> [ 0.106946] smpboot: Total of 4 processors activated (12771.58 BogoMIPS)
>> [ 0.111893] devtmpfs: initialized
>> [ 0.117784] evm: security.selinux
>> [ 0.117790] evm: security.SMACK64
>> [ 0.117795] evm: security.capability
>> [ 0.117966] PM: Registering ACPI NVS region [mem 0xdae7f000-0xdaf9efff] (1179648 bytes)
>> [ 0.118320] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
>> [ 0.119908] NET: Registered protocol family 16
>> [ 0.130858] cpuidle: using governor ladder
>> [ 0.146836] cpuidle: using governor menu
>> [ 0.146966] ACPI: bus type PCI registered
>> [ 0.147247] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xf8000000-0xfbffffff] (base 0xf8000000)
>> [ 0.147258] PCI: MMCONFIG at [mem 0xf8000000-0xfbffffff] reserved in E820
>> [ 0.147272] PCI: Using configuration type 1 for base access
>> [ 0.147918] perf_event_intel: PMU erratum BJ122, BV98, HSD29 worked around, HT is on
>> [ 0.164538] ACPI: Added _OSI(Module Device)
>> [ 0.164546] ACPI: Added _OSI(Processor Device)
>> [ 0.164552] ACPI: Added _OSI(3.0 _SCP Extensions)
>> [ 0.164558] ACPI: Added _OSI(Processor Aggregator Device)
>> [ 0.176702] ACPI: Executed 1 blocks of module-level executable AML code
>> [ 0.185323] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored
>> [ 0.187155] ACPI: Dynamic OEM Table Load:
>> [ 0.187184] ACPI: SSDT 0xFFFF88011A696000 000688 (v01 PmRef Cpu0Cst 00003001 INTL 20061109)
>> [ 0.189366] ACPI: Dynamic OEM Table Load:
>> [ 0.189392] ACPI: SSDT 0xFFFF88011A6A0000 000303 (v01 PmRef ApIst 00003000 INTL 20061109)
>> [ 0.191416] ACPI: Dynamic OEM Table Load:
>> [ 0.191441] ACPI: SSDT 0xFFFF88011A697A00 000119 (v01 PmRef ApCst 00003000 INTL 20061109)
>> [ 0.194769] ACPI : EC: EC started
>> [ 0.196329] ACPI: Interpreter enabled
>> [ 0.196355] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S2_] (20150619/hwxface-580)
>> [ 0.196416] ACPI: (supports S0 S1 S3 S4 S5)
>> [ 0.196422] ACPI: Using IOAPIC for interrupt routing
>> [ 0.196499] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
>> [ 0.217685] ACPI: Power Resource [FN00] (off)
>> [ 0.218139] ACPI: Power Resource [FN01] (off)
>> [ 0.218473] ACPI: Power Resource [FN02] (off)
>> [ 0.218804] ACPI: Power Resource [FN03] (off)
>> [ 0.219156] ACPI: Power Resource [FN04] (off)
>> [ 0.221496] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-3e])
>> [ 0.221510] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI]
>> [ 0.222104] \_SB_.PCI0:_OSC invalid UUID
>> [ 0.222106] _OSC request data:1 1f 0
>> [ 0.222112] acpi PNP0A08:00: _OSC failed (AE_ERROR); disabling ASPM
>> [ 0.223052] PCI host bridge to bus 0000:00
>> [ 0.223061] pci_bus 0000:00: root bus resource [bus 00-3e]
>> [ 0.223069] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window]
>> [ 0.223077] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window]
>> [ 0.223084] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
>> [ 0.223094] pci_bus 0000:00: root bus resource [mem 0xdfa00000-0xfeafffff window]
>> [ 0.223103] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window]
>> [ 0.223165] pci 0000:00:00.0: [8086:0104] type 00 class 0x060000
>> [ 0.223548] pci 0000:00:02.0: [8086:0116] type 00 class 0x030000
>> [ 0.223574] pci 0000:00:02.0: reg 0x10: [mem 0xf0000000-0xf03fffff 64bit]
>> [ 0.223586] pci 0000:00:02.0: reg 0x18: [mem 0xe0000000-0xefffffff 64bit pref]
>> [ 0.223594] pci 0000:00:02.0: reg 0x20: [io 0x3000-0x303f]
>> [ 0.224036] pci 0000:00:16.0: [8086:1c3a] type 00 class 0x078000
>> [ 0.224097] pci 0000:00:16.0: reg 0x10: [mem 0xf0705000-0xf070500f 64bit]
>> [ 0.224213] pci 0000:00:16.0: PME# supported from D0 D3hot D3cold
>> [ 0.224555] pci 0000:00:1a.0: [8086:1c2d] type 00 class 0x0c0320
>> [ 0.224609] pci 0000:00:1a.0: reg 0x10: [mem 0xf070a000-0xf070a3ff]
>> [ 0.224745] pci 0000:00:1a.0: PME# supported from D0 D3hot D3cold
>> [ 0.225049] pci 0000:00:1b.0: [8086:1c20] type 00 class 0x040300
>> [ 0.225110] pci 0000:00:1b.0: reg 0x10: [mem 0xf0700000-0xf0703fff 64bit]
>> [ 0.225249] pci 0000:00:1b.0: PME# supported from D0 D3hot D3cold
>> [ 0.225430] pci 0000:00:1b.0: System wakeup disabled by ACPI
>> [ 0.225595] pci 0000:00:1c.0: [8086:1c10] type 01 class 0x060400
>> [ 0.225745] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold
>> [ 0.225902] pci 0000:00:1c.0: System wakeup disabled by ACPI
>> [ 0.226069] pci 0000:00:1c.3: [8086:1c16] type 01 class 0x060400
>> [ 0.226217] pci 0000:00:1c.3: PME# supported from D0 D3hot D3cold
>> [ 0.226373] pci 0000:00:1c.3: System wakeup disabled by ACPI
>> [ 0.226536] pci 0000:00:1c.4: [8086:1c18] type 01 class 0x060400
>> [ 0.226690] pci 0000:00:1c.4: PME# supported from D0 D3hot D3cold
>> [ 0.227023] pci 0000:00:1d.0: [8086:1c26] type 00 class 0x0c0320
>> [ 0.227078] pci 0000:00:1d.0: reg 0x10: [mem 0xf0709000-0xf07093ff]
>> [ 0.227213] pci 0000:00:1d.0: PME# supported from D0 D3hot D3cold
>> [ 0.227512] pci 0000:00:1f.0: [8086:1c49] type 00 class 0x060100
>> [ 0.227948] pci 0000:00:1f.2: [8086:1c03] type 00 class 0x010601
>> [ 0.228006] pci 0000:00:1f.2: reg 0x10: [io 0x3088-0x308f]
>> [ 0.228023] pci 0000:00:1f.2: reg 0x14: [io 0x3094-0x3097]
>> [ 0.228040] pci 0000:00:1f.2: reg 0x18: [io 0x3080-0x3087]
>> [ 0.228056] pci 0000:00:1f.2: reg 0x1c: [io 0x3090-0x3093]
>> [ 0.228073] pci 0000:00:1f.2: reg 0x20: [io 0x3060-0x307f]
>> [ 0.228091] pci 0000:00:1f.2: reg 0x24: [mem 0xf0708000-0xf07087ff]
>> [ 0.228156] pci 0000:00:1f.2: PME# supported from D3hot
>> [ 0.228451] pci 0000:00:1f.3: [8086:1c22] type 00 class 0x0c0500
>> [ 0.228488] pci 0000:00:1f.3: reg 0x10: [mem 0xf0704000-0xf07040ff 64bit]
>> [ 0.228535] pci 0000:00:1f.3: reg 0x20: [io 0xefa0-0xefbf]
>> [ 0.229199] pci 0000:01:00.0: [8086:0091] type 00 class 0x028000
>> [ 0.229806] pci 0000:01:00.0: reg 0x10: [mem 0xf0600000-0xf0601fff 64bit]
>> [ 0.231151] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold
>> [ 0.231376] pci 0000:01:00.0: System wakeup disabled by ACPI
>> [ 0.239181] pci 0000:00:1c.0: PCI bridge to [bus 01]
>> [ 0.239198] pci 0000:00:1c.0: bridge window [mem 0xf0600000-0xf06fffff]
>> [ 0.239412] pci 0000:02:00.0: [10ec:8168] type 00 class 0x020000
>> [ 0.239610] pci 0000:02:00.0: reg 0x10: [io 0x2000-0x20ff]
>> [ 0.239747] pci 0000:02:00.0: reg 0x18: [mem 0xf0404000-0xf0404fff 64bit pref]
>> [ 0.239832] pci 0000:02:00.0: reg 0x20: [mem 0xf0400000-0xf0403fff 64bit pref]
>> [ 0.240123] pci 0000:02:00.0: supports D1 D2
>> [ 0.240125] pci 0000:02:00.0: PME# supported from D0 D1 D2 D3hot D3cold
>> [ 0.240264] pci 0000:02:00.0: System wakeup disabled by ACPI
>> [ 0.247093] pci 0000:00:1c.3: PCI bridge to [bus 02]
>> [ 0.247105] pci 0000:00:1c.3: bridge window [io 0x2000-0x2fff]
>> [ 0.247120] pci 0000:00:1c.3: bridge window [mem 0xf0400000-0xf04fffff 64bit pref]
>> [ 0.247308] pci 0000:03:00.0: [1b21:1042] type 00 class 0x0c0330
>> [ 0.247389] pci 0000:03:00.0: reg 0x10: [mem 0xf0500000-0xf0507fff 64bit]
>> [ 0.247605] pci 0000:03:00.0: PME# supported from D3hot D3cold
>> [ 0.247878] pci 0000:00:1c.4: PCI bridge to [bus 03]
>> [ 0.247894] pci 0000:00:1c.4: bridge window [mem 0xf0500000-0xf05fffff]
>> [ 0.249944] ACPI: PCI Interrupt Link [LNKA] (IRQs 1 3 4 5 6 10 *11 12 14 15)
>> [ 0.250132] ACPI: PCI Interrupt Link [LNKB] (IRQs 1 3 4 5 6 10 11 12 14 15) *0, disabled.
>> [ 0.250309] ACPI: PCI Interrupt Link [LNKC] (IRQs 1 3 4 5 6 *10 11 12 14 15)
>> [ 0.250481] ACPI: PCI Interrupt Link [LNKD] (IRQs 1 3 4 5 6 *10 11 12 14 15)
>> [ 0.250653] ACPI: PCI Interrupt Link [LNKE] (IRQs 1 3 4 5 6 10 11 12 14 15) *9
>> [ 0.250826] ACPI: PCI Interrupt Link [LNKF] (IRQs 1 3 4 5 6 10 11 12 14 15) *0, disabled.
>> [ 0.251047] ACPI: PCI Interrupt Link [LNKG] (IRQs 1 3 4 5 6 10 *11 12 14 15)
>> [ 0.251220] ACPI: PCI Interrupt Link [LNKH] (IRQs 1 3 4 5 6 10 11 12 14 15) *9
>> [ 0.252586] ACPI: Enabled 4 GPEs in block 00 to 3F
>> [ 0.252730] ACPI : EC: GPE = 0x17, I/O: command/status = 0x66, data = 0x62
>> [ 0.253064] ACPI : EC: 0 stale EC events cleared
>> [ 0.253850] vgaarb: setting as boot device: PCI:0000:00:02.0
>> [ 0.253858] vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none
>> [ 0.253874] vgaarb: loaded
>> [ 0.253879] vgaarb: bridge control possible 0000:00:02.0
>> [ 0.254579] SCSI subsystem initialized
>> [ 0.254750] libata version 3.00 loaded.
>> [ 0.254844] ACPI: bus type USB registered
>> [ 0.254929] usbcore: registered new interface driver usbfs
>> [ 0.254970] usbcore: registered new interface driver hub
>> [ 0.255089] usbcore: registered new device driver usb
>> [ 0.255564] PCI: Using ACPI for IRQ routing
>> [ 0.259257] PCI: pci_cache_line_size set to 64 bytes
>> [ 0.259388] e820: reserve RAM buffer [mem 0x0009d800-0x0009ffff]
>> [ 0.259397] e820: reserve RAM buffer [mem 0xd9c9f000-0xdbffffff]
>> [ 0.259400] e820: reserve RAM buffer [mem 0xdb000000-0xdbffffff]
>> [ 0.259402] e820: reserve RAM buffer [mem 0x11fe00000-0x11fffffff]
>> [ 0.260193] NetLabel: Initializing
>> [ 0.260199] NetLabel: domain hash size = 128
>> [ 0.260204] NetLabel: protocols = UNLABELED CIPSOv4
>> [ 0.260264] NetLabel: unlabeled traffic allowed by default
>> [ 0.260484] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0
>> [ 0.260498] hpet0: 8 comparators, 64-bit 14.318180 MHz counter
>> [ 0.263609] clocksource: Switched to clocksource hpet
>> [ 0.304691] AppArmor: AppArmor Filesystem Enabled
>> [ 0.304963] pnp: PnP ACPI init
>> [ 0.305650] system 00:00: [io 0x0680-0x069f] has been reserved
>> [ 0.305661] system 00:00: [io 0x1000-0x100f] has been reserved
>> [ 0.305669] system 00:00: [io 0x5000-0x5003] has been reserved
>> [ 0.305676] system 00:00: [io 0xffff] has been reserved
>> [ 0.305685] system 00:00: [io 0x0400-0x0453] could not be reserved
>> [ 0.305693] system 00:00: [io 0x0458-0x047f] has been reserved
>> [ 0.305701] system 00:00: [io 0x0500-0x057f] has been reserved
>> [ 0.305708] system 00:00: [io 0x0a00-0x0a0f] has been reserved
>> [ 0.305716] system 00:00: [io 0x164e-0x164f] has been reserved
>> [ 0.305724] system 00:00: [io 0x5000-0x500f] could not be reserved
>> [ 0.305766] system 00:00: Plug and Play ACPI device, IDs PNP0c02 (active)
>> [ 0.305855] pnp 00:01: Plug and Play ACPI device, IDs PNP0b00 (active)
>> [ 0.306011] system 00:02: [io 0x0454-0x0457] has been reserved
>> [ 0.306023] system 00:02: Plug and Play ACPI device, IDs INT3f0d PNP0c02 (active)
>> [ 0.306119] pnp 00:03: Plug and Play ACPI device, IDs PNP0303 (active)
>> [ 0.306242] pnp 00:04: Plug and Play ACPI device, IDs ETD0b00 SYN0002 PNP0f13 (active)
>> [ 0.306668] system 00:05: [mem 0xfed1c000-0xfed1ffff] has been reserved
>> [ 0.306677] system 00:05: [mem 0xfed10000-0xfed17fff] has been reserved
>> [ 0.306686] system 00:05: [mem 0xfed18000-0xfed18fff] has been reserved
>> [ 0.306694] system 00:05: [mem 0xfed19000-0xfed19fff] has been reserved
>> [ 0.306702] system 00:05: [mem 0xf8000000-0xfbffffff] has been reserved
>> [ 0.306710] system 00:05: [mem 0xfed20000-0xfed3ffff] has been reserved
>> [ 0.306718] system 00:05: [mem 0xfed90000-0xfed93fff] has been reserved
>> [ 0.306726] system 00:05: [mem 0xfed45000-0xfed8ffff] has been reserved
>> [ 0.306734] system 00:05: [mem 0xff000000-0xffffffff] could not be reserved
>> [ 0.306743] system 00:05: [mem 0xfee00000-0xfeefffff] could not be reserved
>> [ 0.306754] system 00:05: Plug and Play ACPI device, IDs PNP0c02 (active)
>> [ 0.307683] system 00:06: Plug and Play ACPI device, IDs PNP0c01 (active)
>> [ 0.307739] pnp: PnP ACPI: found 7 devices
>> [ 0.319020] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
>> [ 0.319085] pci 0000:00:1c.0: PCI bridge to [bus 01]
>> [ 0.319100] pci 0000:00:1c.0: bridge window [mem 0xf0600000-0xf06fffff]
>> [ 0.319120] pci 0000:00:1c.3: PCI bridge to [bus 02]
>> [ 0.319128] pci 0000:00:1c.3: bridge window [io 0x2000-0x2fff]
>> [ 0.319146] pci 0000:00:1c.3: bridge window [mem 0xf0400000-0xf04fffff 64bit pref]
>> [ 0.319164] pci 0000:00:1c.4: PCI bridge to [bus 03]
>> [ 0.319176] pci 0000:00:1c.4: bridge window [mem 0xf0500000-0xf05fffff]
>> [ 0.319197] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window]
>> [ 0.319199] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window]
>> [ 0.319202] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window]
>> [ 0.319204] pci_bus 0000:00: resource 7 [mem 0xdfa00000-0xfeafffff window]
>> [ 0.319206] pci_bus 0000:00: resource 8 [mem 0xfed40000-0xfed44fff window]
>> [ 0.319208] pci_bus 0000:01: resource 1 [mem 0xf0600000-0xf06fffff]
>> [ 0.319210] pci_bus 0000:02: resource 0 [io 0x2000-0x2fff]
>> [ 0.319213] pci_bus 0000:02: resource 2 [mem 0xf0400000-0xf04fffff 64bit pref]
>> [ 0.319215] pci_bus 0000:03: resource 1 [mem 0xf0500000-0xf05fffff]
>> [ 0.319354] NET: Registered protocol family 2
>> [ 0.320066] TCP established hash table entries: 32768 (order: 6, 262144 bytes)
>> [ 0.320547] TCP bind hash table entries: 32768 (order: 9, 2097152 bytes)
>> [ 0.322805] TCP: Hash tables configured (established 32768 bind 32768)
>> [ 0.322963] UDP hash table entries: 2048 (order: 6, 327680 bytes)
>> [ 0.323327] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes)
>> [ 0.323945] NET: Registered protocol family 1
>> [ 0.323978] pci 0000:00:02.0: Video device with shadowed ROM
>> [ 0.325621] PCI: CLS 64 bytes, default 64
>> [ 0.325908] Trying to unpack rootfs image as initramfs...
>> [ 0.410866] Freeing initrd memory: 3568K (ffff8800378f8000 - ffff880037c74000)
>> [ 0.410888] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
>> [ 0.410896] software IO TLB [mem 0xd5c9f000-0xd9c9f000] (64MB) mapped at [ffff8800d5c9f000-ffff8800d9c9efff]
>> [ 0.411077] RAPL PMU detected, API unit is 2^-32 Joules, 3 fixed counters 163840 ms ovfl timer
>> [ 0.411087] hw unit of domain pp0-core 2^-16 Joules
>> [ 0.411092] hw unit of domain package 2^-16 Joules
>> [ 0.411098] hw unit of domain pp1-gpu 2^-16 Joules
>> [ 0.411386] microcode: CPU0 sig=0x206a7, pf=0x10, revision=0x28
>> [ 0.411410] microcode: CPU1 sig=0x206a7, pf=0x10, revision=0x28
>> [ 0.411430] microcode: CPU2 sig=0x206a7, pf=0x10, revision=0x28
>> [ 0.411454] microcode: CPU3 sig=0x206a7, pf=0x10, revision=0x28
>> [ 0.411738] microcode: Microcode Update Driver: v2.00 <tigran@xxxxxxxxxxxxxxxxxxxx>, Peter Oruba
>> [ 0.411816] Scanning for low memory corruption every 60 seconds
>> [ 0.413211] futex hash table entries: 2048 (order: 6, 262144 bytes)
>> [ 0.413377] Initialise system trusted keyring
>> [ 0.413525] audit: initializing netlink subsys (disabled)
>> [ 0.413618] audit: type=2000 audit(1439238080.400:1): initialized
>> [ 0.414717] HugeTLB registered 2 MB page size, pre-allocated 0 pages
>> [ 0.415273] VFS: Disk quotas dquot_6.6.0
>> [ 0.415422] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
>> [ 0.416380] fuse init (API version 7.23)
>> [ 0.418760] Key type asymmetric registered
>> [ 0.418788] Asymmetric key parser 'x509' registered
>> [ 0.418848] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)
>> [ 0.419014] io scheduler noop registered
>> [ 0.419025] io scheduler deadline registered (default)
>> [ 0.419070] io scheduler cfq registered
>> [ 0.419079] start plist test
>> [ 0.421511] end plist test
>> [ 0.422616] pci_hotplug: PCI Hot Plug PCI Core version: 0.5
>> [ 0.422642] pciehp: PCI Express Hot Plug Controller Driver version: 0.4
>> [ 0.422865] intel_idle: MWAIT substates: 0x21120
>> [ 0.422867] intel_idle: v0.4 model 0x2A
>> [ 0.422868] intel_idle: lapic_timer_reliable_states 0xffffffff
>> [ 0.424343] ACPI: AC Adapter [ADP1] (on-line)
>> [ 0.424599] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0D:00/input/input0
>> [ 0.424653] ACPI: Lid Switch [LID0]
>> [ 0.424799] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1
>> [ 0.424853] ACPI: Power Button [PWRB]
>> [ 0.425002] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input2
>> [ 0.425014] ACPI: Power Button [PWRF]
>> [ 0.428822] thermal LNXTHERM:00: registered as thermal_zone0
>> [ 0.428830] ACPI: Thermal Zone [TZ00] (65 C)
>> [ 0.429627] thermal LNXTHERM:01: registered as thermal_zone1
>> [ 0.429634] ACPI: Thermal Zone [TZ01] (30 C)
>> [ 0.429763] GHES: HEST is not enabled!
>> [ 0.430223] Serial: 8250/16550 driver, 32 ports, IRQ sharing enabled
>> [ 0.438570] ACPI: Battery Slot [BAT1] (battery present)
>> [ 0.439678] Linux agpgart interface v0.103
>> [ 0.448838] brd: module loaded
>> [ 0.453148] loop: module loaded
>> [ 0.457143] ahci 0000:00:1f.2: version 3.0
>> [ 0.457550] ahci 0000:00:1f.2: SSS flag set, parallel bus scan disabled
>> [ 0.471532] ahci 0000:00:1f.2: AHCI 0001.0300 32 slots 6 ports 6 Gbps 0x1b impl SATA mode
>> [ 0.471572] ahci 0000:00:1f.2: flags: 64bit ncq sntf ilck stag pm led clo pio slum part ems sxs apst
>> [ 0.497787] scsi host0: ahci
>> [ 0.498399] scsi host1: ahci
>> [ 0.498935] scsi host2: ahci
>> [ 0.499410] scsi host3: ahci
>> [ 0.499829] scsi host4: ahci
>> [ 0.500280] scsi host5: ahci
>> [ 0.500489] ata1: SATA max UDMA/133 abar m2048@0xf0708000 port 0xf0708100 irq 25
>> [ 0.500501] ata2: SATA max UDMA/133 abar m2048@0xf0708000 port 0xf0708180 irq 25
>> [ 0.500510] ata3: DUMMY
>> [ 0.500516] ata4: SATA max UDMA/133 abar m2048@0xf0708000 port 0xf0708280 irq 25
>> [ 0.500526] ata5: SATA max UDMA/133 abar m2048@0xf0708000 port 0xf0708300 irq 25
>> [ 0.500535] ata6: DUMMY
>> [ 0.502190] libphy: Fixed MDIO Bus: probed
>> [ 0.502589] tun: Universal TUN/TAP device driver, 1.6
>> [ 0.502596] tun: (C) 1999-2004 Max Krasnyansky <maxk@xxxxxxxxxxxx>
>> [ 0.502787] PPP generic driver version 2.4.2
>> [ 0.503172] xhci_hcd 0000:03:00.0: xHCI Host Controller
>> [ 0.503379] xhci_hcd 0000:03:00.0: new USB bus registered, assigned bus number 1
>> [ 0.508006] xhci_hcd 0000:03:00.0: hcc params 0x0200f180 hci version 0x96 quirks 0x00080000
>> [ 0.508863] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
>> [ 0.508871] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
>> [ 0.508881] usb usb1: Product: xHCI Host Controller
>> [ 0.508887] usb usb1: Manufacturer: Linux 4.2.0-rc6-1-iniza-small xhci-hcd
>> [ 0.508893] usb usb1: SerialNumber: 0000:03:00.0
>> [ 0.509812] hub 1-0:1.0: USB hub found
>> [ 0.509918] hub 1-0:1.0: 2 ports detected
>> [ 0.510952] xhci_hcd 0000:03:00.0: xHCI Host Controller
>> [ 0.510970] xhci_hcd 0000:03:00.0: new USB bus registered, assigned bus number 2
>> [ 0.511110] usb usb2: We don't know the algorithms for LPM for this host, disabling LPM.
>> [ 0.511233] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003
>> [ 0.511241] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
>> [ 0.511250] usb usb2: Product: xHCI Host Controller
>> [ 0.511256] usb usb2: Manufacturer: Linux 4.2.0-rc6-1-iniza-small xhci-hcd
>> [ 0.511262] usb usb2: SerialNumber: 0000:03:00.0
>> [ 0.511924] hub 2-0:1.0: USB hub found
>> [ 0.512005] hub 2-0:1.0: 2 ports detected
>> [ 0.512627] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
>> [ 0.512637] ehci-pci: EHCI PCI platform driver
>> [ 0.512992] ehci-pci 0000:00:1a.0: EHCI Host Controller
>> [ 0.513021] ehci-pci 0000:00:1a.0: new USB bus registered, assigned bus number 3
>> [ 0.513049] ehci-pci 0000:00:1a.0: debug port 2
>> [ 0.516998] ehci-pci 0000:00:1a.0: cache line size of 64 is not supported
>> [ 0.517032] ehci-pci 0000:00:1a.0: irq 16, io mem 0xf070a000
>> [ 0.527551] ehci-pci 0000:00:1a.0: USB 2.0 started, EHCI 1.00
>> [ 0.527701] usb usb3: New USB device found, idVendor=1d6b, idProduct=0002
>> [ 0.527708] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1
>> [ 0.527717] usb usb3: Product: EHCI Host Controller
>> [ 0.527723] usb usb3: Manufacturer: Linux 4.2.0-rc6-1-iniza-small ehci_hcd
>> [ 0.527730] usb usb3: SerialNumber: 0000:00:1a.0
>> [ 0.528237] hub 3-0:1.0: USB hub found
>> [ 0.528269] hub 3-0:1.0: 2 ports detected
>> [ 0.529093] ehci-pci 0000:00:1d.0: EHCI Host Controller
>> [ 0.529115] ehci-pci 0000:00:1d.0: new USB bus registered, assigned bus number 4
>> [ 0.529145] ehci-pci 0000:00:1d.0: debug port 2
>> [ 0.533067] ehci-pci 0000:00:1d.0: cache line size of 64 is not supported
>> [ 0.533095] ehci-pci 0000:00:1d.0: irq 23, io mem 0xf0709000
>> [ 0.543473] ehci-pci 0000:00:1d.0: USB 2.0 started, EHCI 1.00
>> [ 0.543643] usb usb4: New USB device found, idVendor=1d6b, idProduct=0002
>> [ 0.543651] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1
>> [ 0.543660] usb usb4: Product: EHCI Host Controller
>> [ 0.543666] usb usb4: Manufacturer: Linux 4.2.0-rc6-1-iniza-small ehci_hcd
>> [ 0.543672] usb usb4: SerialNumber: 0000:00:1d.0
>> [ 0.544119] hub 4-0:1.0: USB hub found
>> [ 0.544149] hub 4-0:1.0: 2 ports detected
>> [ 0.544598] ehci-platform: EHCI generic platform driver
>> [ 0.544636] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
>> [ 0.544657] ohci-pci: OHCI PCI platform driver
>> [ 0.544697] ohci-platform: OHCI generic platform driver
>> [ 0.544731] uhci_hcd: USB Universal Host Controller Interface driver
>> [ 0.544875] i8042: PNP: PS/2 Controller [PNP0303:PS2K,PNP0f13:EPAD] at 0x60,0x64 irq 1,12
>> [ 0.550832] serio: i8042 KBD port at 0x60,0x64 irq 1
>> [ 0.550897] serio: i8042 AUX port at 0x60,0x64 irq 12
>> [ 0.551693] mousedev: PS/2 mouse device common for all mice
>> [ 0.553017] rtc_cmos 00:01: rtc core: registered rtc_cmos as rtc0
>> [ 0.553058] rtc_cmos 00:01: alarms up to one month, y3k, 242 bytes nvram, hpet irqs
>> [ 0.553145] device-mapper: uevent: version 1.0.3
>> [ 0.553447] device-mapper: ioctl: 4.32.0-ioctl (2015-6-26) initialised: dm-devel@xxxxxxxxxx
>> [ 0.553485] Intel P-state driver initializing.
>> [ 0.554711] ledtrig-cpu: registered to indicate activity on CPUs
>> [ 0.555537] NET: Registered protocol family 10
>> [ 0.557698] NET: Registered protocol family 17
>> [ 0.557770] Key type dns_resolver registered
>> [ 0.560280] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input3
>> [ 0.561222] Loading compiled-in X.509 certificates
>> [ 0.562479] Loaded X.509 cert 'Build time autogenerated kernel key: 87846484d150bea67f9ddf31e31367f5522e8926'
>> [ 0.562527] registered taskstats version 1
>> [ 0.572486] Key type trusted registered
>> [ 0.583212] Key type encrypted registered
>> [ 0.583230] AppArmor: AppArmor sha1 policy hashing enabled
>> [ 0.583239] evm: HMAC attrs: 0x1
>> [ 0.584338] rtc_cmos 00:01: setting system clock to 2015-08-10 20:21:21 UTC (1439238081)
>> [ 0.584548] BIOS EDD facility v0.16 2004-Jun-25, 0 devices found
>> [ 0.584554] EDD information not available.
>> [ 0.819392] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
>> [ 0.820715] ata1.00: ATA-8: Hitachi HTS545050A7E380, GG2OA6C0, max UDMA/133
>> [ 0.820740] ata1.00: 976773168 sectors, multi 16: LBA48 NCQ (depth 31/32), AA
>> [ 0.822102] ata1.00: configured for UDMA/133
>> [ 0.823124] scsi 0:0:0:0: Direct-Access ATA Hitachi HTS54505 A6C0 PQ: 0 ANSI: 5
>> [ 0.824389] sd 0:0:0:0: [sda] 976773168 512-byte logical blocks: (500 GB/465 GiB)
>> [ 0.824402] sd 0:0:0:0: [sda] 4096-byte physical blocks
>> [ 0.824670] sd 0:0:0:0: [sda] Write Protect is off
>> [ 0.824680] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
>> [ 0.824810] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
>> [ 0.824811] sd 0:0:0:0: Attached scsi generic sg0 type 0
>> [ 0.839306] usb 3-1: new high-speed USB device number 2 using ehci-pci
>> [ 0.855353] usb 4-1: new high-speed USB device number 2 using ehci-pci
>> [ 0.865534] sda: sda1 sda2 sda3
>> [ 0.867291] sd 0:0:0:0: [sda] Attached SCSI disk
>> [ 0.972010] usb 3-1: New USB device found, idVendor=8087, idProduct=0024
>> [ 0.972030] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
>> [ 0.973017] hub 3-1:1.0: USB hub found
>> [ 0.973379] hub 3-1:1.0: 6 ports detected
>> [ 0.988086] usb 4-1: New USB device found, idVendor=8087, idProduct=0024
>> [ 0.988097] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
>> [ 0.988931] hub 4-1:1.0: USB hub found
>> [ 0.989119] hub 4-1:1.0: 6 ports detected
>> [ 1.143159] ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
>> [ 1.144046] ata2.00: ATA-8: SanDisk iSSD P4 16GB, SSD 9.14, max UDMA/133
>> [ 1.144071] ata2.00: 31277232 sectors, multi 1: LBA48
>> [ 1.144813] ata2.00: configured for UDMA/133
>> [ 1.145181] scsi 1:0:0:0: Direct-Access ATA SanDisk iSSD P4 9.14 PQ: 0 ANSI: 5
>> [ 1.146049] sd 1:0:0:0: [sdb] 31277232 512-byte logical blocks: (16.0 GB/14.9 GiB)
>> [ 1.146159] sd 1:0:0:0: Attached scsi generic sg1 type 0
>> [ 1.146416] sd 1:0:0:0: [sdb] Write Protect is off
>> [ 1.146425] sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00
>> [ 1.146539] sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
>> [ 1.147982] sdb: sdb1 sdb2
>> [ 1.149342] sd 1:0:0:0: [sdb] Attached SCSI disk
>> [ 1.247075] usb 3-1.4: new high-speed USB device number 3 using ehci-pci
>> [ 1.263066] usb 4-1.4: new low-speed USB device number 3 using ehci-pci
>> [ 1.362046] usb 4-1.4: New USB device found, idVendor=046d, idProduct=c00e
>> [ 1.362057] usb 4-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
>> [ 1.362066] usb 4-1.4: Product: USB-PS/2 Optical Mouse
>> [ 1.362071] usb 4-1.4: Manufacturer: Logitech
>> [ 1.407072] tsc: Refined TSC clocksource calibration: 1596.374 MHz
>> [ 1.407083] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1702c3a922f, max_idle_ns: 440795242034 ns
>> [ 1.434941] usb 4-1.5: new full-speed USB device number 4 using ehci-pci
>> [ 1.462933] ata4: SATA link down (SStatus 0 SControl 300)
>> [ 1.499860] usb 3-1.4: New USB device found, idVendor=2232, idProduct=1018
>> [ 1.499872] usb 3-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
>> [ 1.499882] usb 3-1.4: Product: WebCam SC-13HDL11431N
>> [ 1.499887] usb 3-1.4: Manufacturer: 123
>> [ 1.532074] usb 4-1.5: New USB device found, idVendor=8086, idProduct=0189
>> [ 1.532085] usb 4-1.5: New USB device strings: Mfr=0, Product=0, SerialNumber=0
>> [ 1.782705] ata5: SATA link down (SStatus 0 SControl 300)
>> [ 1.783620] Freeing unused kernel memory: 1428K (ffffffff81d58000 - ffffffff81ebd000)
>> [ 1.783630] Write protecting the kernel read-only data: 12288k
>> [ 1.784127] Freeing unused kernel memory: 124K (ffff8800017e1000 - ffff880001800000)
>> [ 1.784556] Freeing unused kernel memory: 640K (ffff880001b60000 - ffff880001c00000)
>> [ 1.824709] udevd[141]: starting version 175
>> [ 2.045062] r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded
>> [ 2.045097] r8169 0000:02:00.0: can't disable ASPM; OS doesn't have ASPM control
>> [ 2.047480] r8169 0000:02:00.0 eth0: RTL8168evl/8111evl at 0xffffc900009ae000, e8:03:9a:36:17:a9, XID 0c900800 IRQ 31
>> [ 2.047501] r8169 0000:02:00.0 eth0: jumbo features [frames: 9200 bytes, tx checksumming: ko]
>> [ 2.173844] usbcore: registered new interface driver usbhid
>> [ 2.173859] usbhid: USB HID core driver
>> [ 2.248843] input: Logitech USB-PS/2 Optical Mouse as /devices/pci0000:00/0000:00:1d.0/usb4/4-1/4-1.4/4-1.4:1.0/0003:046D:C00E.0001/input/input5
>> [ 2.249420] hid-generic 0003:046D:C00E.0001: input: USB HID v1.10 Mouse [Logitech USB-PS/2 Optical Mouse] on usb-0000:00:1d.0-1.4/input0
>> [ 2.406539] clocksource: Switched to clocksource tsc
>> [ 3.017457] EXT4-fs (loop0): mounted filesystem with ordered data mode. Opts: (null)
>> [ 3.531910] random: nonblocking pool is initialized
>> [ 4.040967] usb 3-1.2: new high-speed USB device number 4 using ehci-pci
>> [ 4.136025] usb 3-1.2: New USB device found, idVendor=12d1, idProduct=1446
>> [ 4.136036] usb 3-1.2: New USB device strings: Mfr=3, Product=2, SerialNumber=0
>> [ 4.136044] usb 3-1.2: Product: HUAWEI Mobile
>> [ 4.136049] usb 3-1.2: Manufacturer: HUAWEI Technology
>> [ 5.449277] init: ureadahead main process (427) terminated with status 5
>> [ 9.986567] Adding 262140k swap on /host/ubuntu/disks/swap.disk. Priority:-1 extents:1 across:262140k FS
>> [ 10.194584] EXT4-fs (loop0): re-mounted. Opts: errors=remount-ro
>> [ 10.393378] udevd[661]: starting version 175
>> [ 11.533343] lp: driver loaded but no devices found
>> [ 13.665906] ACPI Warning: SystemIO range 0x0000000000000428-0x000000000000042F conflicts with OpRegion 0x0000000000000400-0x000000000000047F (\PMIO) (20150619/utaddress-254)
>> [ 13.665916] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver
>> [ 13.665922] ACPI Warning: SystemIO range 0x0000000000000540-0x000000000000054F conflicts with OpRegion 0x0000000000000500-0x0000000000000563 (\GPIO) (20150619/utaddress-254)
>> [ 13.665927] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver
>> [ 13.665929] ACPI Warning: SystemIO range 0x0000000000000530-0x000000000000053F conflicts with OpRegion 0x0000000000000500-0x0000000000000563 (\GPIO) (20150619/utaddress-254)
>> [ 13.665933] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver
>> [ 13.665935] ACPI Warning: SystemIO range 0x0000000000000500-0x000000000000052F conflicts with OpRegion 0x0000000000000500-0x0000000000000563 (\GPIO) (20150619/utaddress-254)
>> [ 13.665939] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver
>> [ 13.665941] lpc_ich: Resource conflict(s) found affecting gpio_ich
>> [ 13.742870] wmi: Mapper loaded
>> [ 13.896992] samsung_laptop: detected SABI interface: SwSmi@
>> [ 14.317974] [drm] Initialized drm 1.1.0 20060810
>> [ 15.239574] Bluetooth: Core ver 2.20
>> [ 15.239659] NET: Registered protocol family 31
>> [ 15.239663] Bluetooth: HCI device and connection manager initialized
>> [ 15.239774] Bluetooth: HCI socket layer initialized
>> [ 15.239784] Bluetooth: L2CAP socket layer initialized
>> [ 15.240191] Bluetooth: SCO socket layer initialized
>> [ 15.251059] usbcore: registered new interface driver btusb
>> [ 15.366567] psmouse serio1: elantech: assuming hardware version 3 (with firmware version 0x450f00)
>> [ 15.381624] psmouse serio1: elantech: Synaptics capabilities query result 0x08, 0x17, 0x0c.
>> [ 15.396750] psmouse serio1: elantech: Elan sample query result 03, 3f, 86
>> [ 15.474665] input: ETPS/2 Elantech Touchpad as /devices/platform/i8042/serio1/input/input6
>> [ 16.514266] usb-storage 3-1.2:1.0: USB Mass Storage device detected
>> [ 16.514971] scsi host6: usb-storage 3-1.2:1.0
>> [ 16.515344] usb-storage 3-1.2:1.1: USB Mass Storage device detected
>> [ 16.515634] scsi host7: usb-storage 3-1.2:1.1
>> [ 16.515987] usbcore: registered new interface driver usb-storage
>> [ 16.652114] ppdev: user-space parallel port driver
>> [ 16.708855] cfg80211: World regulatory domain updated:
>> [ 16.708861] cfg80211: DFS Master region: unset
>> [ 16.708864] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
>> [ 16.708870] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
>> [ 16.708874] cfg80211: (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm), (N/A)
>> [ 16.708877] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm), (N/A)
>> [ 16.708880] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
>> [ 16.708884] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
>> [ 16.718812] audit: type=1400 audit(1439230897.639:2): apparmor="STATUS" operation="profile_load" name="/sbin/dhclient" pid=954 comm="apparmor_parser"
>> [ 16.718824] audit: type=1400 audit(1439230897.639:3): apparmor="STATUS" operation="profile_load" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=954 comm="apparmor_parser"
>> [ 16.718831] audit: type=1400 audit(1439230897.639:4): apparmor="STATUS" operation="profile_load" name="/usr/lib/connman/scripts/dhclient-script" pid=954 comm="apparmor_parser"
>> [ 16.719101] audit: type=1400 audit(1439230897.639:5): apparmor="STATUS" operation="profile_replace" name="/sbin/dhclient" pid=980 comm="apparmor_parser"
>> [ 16.719115] audit: type=1400 audit(1439230897.639:6): apparmor="STATUS" operation="profile_replace" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=980 comm="apparmor_parser"
>> [ 16.719126] audit: type=1400 audit(1439230897.639:7): apparmor="STATUS" operation="profile_replace" name="/usr/lib/connman/scripts/dhclient-script" pid=980 comm="apparmor_parser"
>> [ 16.719842] audit: type=1400 audit(1439230897.639:8): apparmor="STATUS" operation="profile_replace" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=954 comm="apparmor_parser"
>> [ 16.719854] audit: type=1400 audit(1439230897.639:9): apparmor="STATUS" operation="profile_replace" name="/usr/lib/connman/scripts/dhclient-script" pid=954 comm="apparmor_parser"
>> [ 16.720050] audit: type=1400 audit(1439230897.643:10): apparmor="STATUS" operation="profile_replace" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=980 comm="apparmor_parser"
>> [ 16.720061] audit: type=1400 audit(1439230897.643:11): apparmor="STATUS" operation="profile_replace" name="/usr/lib/connman/scripts/dhclient-script" pid=980 comm="apparmor_parser"
>> [ 17.230809] Linux video capture interface: v2.00
>> [ 17.514072] scsi 7:0:0:0: Direct-Access HUAWEI SD Storage 2.31 PQ: 0 ANSI: 2
>> [ 17.514136] scsi 6:0:0:0: CD-ROM HUAWEI Mass Storage 2.31 PQ: 0 ANSI: 2
>> [ 17.517436] sd 7:0:0:0: Attached scsi generic sg2 type 0
>> [ 17.519836] sd 7:0:0:0: [sdc] Attached SCSI removable disk
>> [ 17.538602] sr 6:0:0:0: [sr0] scsi-1 drive
>> [ 17.538608] cdrom: Uniform CD-ROM driver Revision: 3.20
>> [ 17.553020] Intel(R) Wireless WiFi driver for Linux
>> [ 17.553025] Copyright(c) 2003- 2015 Intel Corporation
>> [ 17.553470] iwlwifi 0000:01:00.0: can't disable ASPM; OS doesn't have ASPM control
>> [ 17.555321] sr 6:0:0:0: Attached scsi CD-ROM sr0
>> [ 17.556939] sr 6:0:0:0: Attached scsi generic sg3 type 5
>> [ 17.856201] uvcvideo: Found UVC 1.00 device WebCam SC-13HDL11431N (2232:1018)
>> [ 17.876158] input: WebCam SC-13HDL11431N as /devices/pci0000:00/0000:00:1a.0/usb3/3-1/3-1.4/3-1.4:1.0/input/input7
>> [ 17.876737] usbcore: registered new interface driver uvcvideo
>> [ 17.876742] USB Video Class driver (1.1.1)
>> [ 17.952917] init: failsafe main process (1065) killed by TERM signal
>> [ 18.150795] iwlwifi 0000:01:00.0: loaded firmware version 18.168.6.1 op_mode iwldvm
>> [ 18.246252] [drm] Memory usable by graphics device = 2048M
>> [ 18.246326] [drm] Replacing VGA console driver
>> [ 18.255139] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
>> [ 18.255142] [drm] Driver supports precise vblank timestamp query.
>> [ 18.255943] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem
>> [ 18.269783]
>> [ 18.269792] ======================================================
>> [ 18.269798] [ INFO: possible circular locking dependency detected ]
>> [ 18.269805] 4.2.0-rc6-1-iniza-small #1 Not tainted
>> [ 18.269810] -------------------------------------------------------
>> [ 18.269816] modprobe/727 is trying to acquire lock:
>> [ 18.269822] (init_mutex){+.+.+.}, at: [<ffffffffa0090f2d>] acpi_video_get_backlight_type+0x17/0x164 [video]
>> [ 18.269840]
>> [ 18.269840] but task is already holding lock:
>> [ 18.269848] (&(&backlight_notifier)->rwsem){++++..}, at: [<ffffffff810a6519>] __blocking_notifier_call_chain+0x39/0x70
>> [ 18.269864]
>> [ 18.269864] which lock already depends on the new lock.
>> [ 18.269864]
>> [ 18.269875]
>> [ 18.269875] the existing dependency chain (in reverse order) is:
>> [ 18.269884]
>> [ 18.269884] -> #1 (&(&backlight_notifier)->rwsem){++++..}:
>> [ 18.269894] [<ffffffff810da59f>] lock_acquire+0xcf/0x280
>> [ 18.269902] [<ffffffff817d6769>] down_write+0x49/0x80
>> [ 18.269910] [<ffffffff810a6691>] blocking_notifier_chain_register+0x21/0xb0
>> [ 18.269920] [<ffffffff81461ca8>] backlight_register_notifier+0x18/0x20
>> [ 18.269930] [<ffffffffa0091010>] acpi_video_get_backlight_type+0xfa/0x164 [video]
>> [ 18.269940] [<ffffffffa00a40e9>] snd_timer_reschedule+0x29/0xa0 [snd_timer]
>> [ 18.269952] [<ffffffff810020f8>] do_one_initcall+0x88/0x1c0
>> [ 18.269960] [<ffffffff817cd082>] do_init_module+0x61/0x1ec
>> [ 18.269968] [<ffffffff8111fbb8>] load_module+0x2008/0x25c0
>> [ 18.269976] [<ffffffff81120296>] SyS_init_module+0x126/0x140
>> [ 18.269983] [<ffffffff817d9332>] entry_SYSCALL_64_fastpath+0x16/0x7a
>> [ 18.269992]
>> [ 18.269992] -> #0 (init_mutex){+.+.+.}:
>> [ 18.270001] [<ffffffff810d98cd>] __lock_acquire+0x1f5d/0x21c0
>> [ 18.270008] [<ffffffff810da59f>] lock_acquire+0xcf/0x280
>> [ 18.270015] [<ffffffff817d4775>] mutex_lock_nested+0x65/0x3c0
>> [ 18.270022] [<ffffffffa0090f2d>] acpi_video_get_backlight_type+0x17/0x164 [video]
>> [ 18.270032] [<ffffffffa00910b2>] acpi_video_backlight_notify+0x19/0x2f [video]
>> [ 18.270043] [<ffffffff810a631d>] notifier_call_chain+0x5d/0x80
>> [ 18.270050] [<ffffffff810a6531>] __blocking_notifier_call_chain+0x51/0x70
>> [ 18.270060] [<ffffffff810a6566>] blocking_notifier_call_chain+0x16/0x20
>> [ 18.270069] [<ffffffff81461fe7>] backlight_device_register+0x197/0x240
>> [ 18.270077] [<ffffffffa044cb83>] intel_backlight_register+0xb3/0x180 [i915]
>> [ 18.270126] [<ffffffffa041f166>] intel_modeset_gem_init+0x176/0x190 [i915]
>> [ 18.270162] [<ffffffffa0454172>] i915_driver_load+0xf12/0x14d0 [i915]
>> [ 18.270197] [<ffffffffa00d8861>] drm_dev_register+0xb1/0x100 [drm]
>> [ 18.270216] [<ffffffffa00db62d>] drm_get_pci_dev+0x8d/0x1e0 [drm]
>> [ 18.270231] [<ffffffffa039f1fb>] i915_pci_probe+0x3b/0x60 [i915]
>> [ 18.270255] [<ffffffff81431a95>] local_pci_probe+0x45/0xa0
>> [ 18.270263] [<ffffffff81432e5d>] pci_device_probe+0xcd/0x120
>> [ 18.270271] [<ffffffff8152d6a6>] driver_probe_device+0x136/0x2e0
>> [ 18.270278] [<ffffffff8152d8e4>] __driver_attach+0x94/0xa0
>> [ 18.270285] [<ffffffff8152b636>] bus_for_each_dev+0x66/0xa0
>> [ 18.270293] [<ffffffff8152d1de>] driver_attach+0x1e/0x20
>> [ 18.270301] [<ffffffff8152cdd8>] bus_add_driver+0x1b8/0x230
>> [ 18.270309] [<ffffffff8152e880>] driver_register+0x60/0xe0
>> [ 18.270316] [<ffffffff81431354>] __pci_register_driver+0x64/0x70
>> [ 18.270323] [<ffffffffa00db860>] drm_pci_init+0xe0/0x110 [drm]
>> [ 18.270337] [<ffffffffa04bb0a0>] i915_init+0xa0/0xa8 [i915]
>> [ 18.270359] [<ffffffff810020f8>] do_one_initcall+0x88/0x1c0
>> [ 18.270367] [<ffffffff817cd082>] do_init_module+0x61/0x1ec
>> [ 18.270374] [<ffffffff8111fbb8>] load_module+0x2008/0x25c0
>> [ 18.270381] [<ffffffff81120296>] SyS_init_module+0x126/0x140
>> [ 18.270388] [<ffffffff817d9332>] entry_SYSCALL_64_fastpath+0x16/0x7a
>> [ 18.270396]
>> [ 18.270396] other info that might help us debug this:
>> [ 18.270396]
>> [ 18.270408] Possible unsafe locking scenario:
>> [ 18.270408]
>> [ 18.270416] CPU0 CPU1
>> [ 18.270421] ---- ----
>> [ 18.270426] lock(&(&backlight_notifier)->rwsem);
>> [ 18.270433] lock(init_mutex);
>> [ 18.270439] lock(&(&backlight_notifier)->rwsem);
>> [ 18.270448] lock(init_mutex);
>> [ 18.270454]
>> [ 18.270454] *** DEADLOCK ***
>> [ 18.270454]
>> [ 18.270465] 4 locks held by modprobe/727:
>> [ 18.270470] #0: (&dev->mutex){......}, at: [<ffffffff8152d89b>] __driver_attach+0x4b/0xa0
>> [ 18.270483] #1: (&dev->mutex){......}, at: [<ffffffff8152d8a9>] __driver_attach+0x59/0xa0
>> [ 18.270495] #2: (drm_global_mutex){+.+.+.}, at: [<ffffffffa00d87d6>] drm_dev_register+0x26/0x100 [drm]
>> [ 18.270514] #3: (&(&backlight_notifier)->rwsem){++++..}, at: [<ffffffff810a6519>] __blocking_notifier_call_chain+0x39/0x70
>> [ 18.270528]
>> [ 18.270528] stack backtrace:
>> [ 18.270537] CPU: 0 PID: 727 Comm: modprobe Not tainted 4.2.0-rc6-1-iniza-small #1
>> [ 18.270546] Hardware name: SAMSUNG ELECTRONICS CO., LTD. 530U3BI/530U4BI/530U4BH/530U3BI/530U4BI/530U4BH, BIOS 13XK 03/28/2013
>> [ 18.270557] ffffffff826a09c0 ffff8800c8c774b8 ffffffff817cf189 0000000000000011
>> [ 18.270568] ffffffff826a09c0 ffff8800c8c77508 ffffffff817cc674 ffff8800d40e4e40
>> [ 18.270579] ffff8800c8c77578 ffff8800d40e5710 0000000000000004 ffff8800d40e5710
>> [ 18.270590] Call Trace:
>> [ 18.270596] [<ffffffff817cf189>] dump_stack+0x4c/0x65
>> [ 18.270603] [<ffffffff817cc674>] print_circular_bug+0x20b/0x21c
>> [ 18.270611] [<ffffffff810d98cd>] __lock_acquire+0x1f5d/0x21c0
>> [ 18.270618] [<ffffffff810da59f>] lock_acquire+0xcf/0x280
>> [ 18.270626] [<ffffffffa0090f2d>] ? acpi_video_get_backlight_type+0x17/0x164 [video]
>> [ 18.270636] [<ffffffff817d4775>] mutex_lock_nested+0x65/0x3c0
>> [ 18.270644] [<ffffffffa0090f2d>] ? acpi_video_get_backlight_type+0x17/0x164 [video]
>> [ 18.270654] [<ffffffffa0090f2d>] acpi_video_get_backlight_type+0x17/0x164 [video]
>> [ 18.270665] [<ffffffffa00910b2>] acpi_video_backlight_notify+0x19/0x2f [video]
>> [ 18.270674] [<ffffffff810a631d>] notifier_call_chain+0x5d/0x80
>> [ 18.270681] [<ffffffff810a6531>] __blocking_notifier_call_chain+0x51/0x70
>> [ 18.270689] [<ffffffff810a6566>] blocking_notifier_call_chain+0x16/0x20
>> [ 18.270697] [<ffffffff81461fe7>] backlight_device_register+0x197/0x240
>> [ 18.270730] [<ffffffffa044cb83>] intel_backlight_register+0xb3/0x180 [i915]
>> [ 18.270762] [<ffffffffa041f166>] intel_modeset_gem_init+0x176/0x190 [i915]
>> [ 18.270794] [<ffffffffa0454172>] i915_driver_load+0xf12/0x14d0 [i915]
>> [ 18.270802] [<ffffffff810d7419>] ? mark_held_locks+0x69/0x90
>> [ 18.270808] [<ffffffff817d61d0>] ? __mutex_unlock_slowpath+0xc0/0x180
>> [ 18.270816] [<ffffffff810d7419>] ? mark_held_locks+0x69/0x90
>> [ 18.270823] [<ffffffff817d89d6>] ? _raw_spin_unlock_irqrestore+0x36/0x60
>> [ 18.270830] [<ffffffff810d7591>] ? trace_hardirqs_on_caller+0x151/0x1e0
>> [ 18.270838] [<ffffffff810d762d>] ? trace_hardirqs_on+0xd/0x10
>> [ 18.270852] [<ffffffffa00d8861>] drm_dev_register+0xb1/0x100 [drm]
>> [ 18.270866] [<ffffffffa00db62d>] drm_get_pci_dev+0x8d/0x1e0 [drm]
>> [ 18.270890] [<ffffffffa039f1fb>] i915_pci_probe+0x3b/0x60 [i915]
>> [ 18.270897] [<ffffffff81431a95>] local_pci_probe+0x45/0xa0
>> [ 18.270903] [<ffffffff81432d20>] ? pci_match_device+0xe0/0x110
>> [ 18.270910] [<ffffffff81432e5d>] pci_device_probe+0xcd/0x120
>> [ 18.270918] [<ffffffff8152d6a6>] driver_probe_device+0x136/0x2e0
>> [ 18.270924] [<ffffffff8152d8e4>] __driver_attach+0x94/0xa0
>> [ 18.270931] [<ffffffff8152d850>] ? driver_probe_device+0x2e0/0x2e0
>> [ 18.270938] [<ffffffff8152b636>] bus_for_each_dev+0x66/0xa0
>> [ 18.270946] [<ffffffff8152d1de>] driver_attach+0x1e/0x20
>> [ 18.270953] [<ffffffff8152cdd8>] bus_add_driver+0x1b8/0x230
>> [ 18.270960] [<ffffffff8152e880>] driver_register+0x60/0xe0
>> [ 18.270967] [<ffffffff81431354>] __pci_register_driver+0x64/0x70
>> [ 18.270980] [<ffffffffa00db860>] drm_pci_init+0xe0/0x110 [drm]
>> [ 18.270987] [<ffffffffa04bb000>] ? 0xffffffffa04bb000
>> [ 18.271008] [<ffffffffa04bb0a0>] i915_init+0xa0/0xa8 [i915]
>> [ 18.271015] [<ffffffff810020f8>] do_one_initcall+0x88/0x1c0
>> [ 18.271023] [<ffffffff817cd049>] ? do_init_module+0x28/0x1ec
>> [ 18.271030] [<ffffffff817cd082>] do_init_module+0x61/0x1ec
>> [ 18.271037] [<ffffffff8111fbb8>] load_module+0x2008/0x25c0
>> [ 18.271044] [<ffffffff8111b5a0>] ? m_show+0x1a0/0x1a0
>> [ 18.271052] [<ffffffff817d9f73>] ? retint_kernel+0x10/0x10
>> [ 18.271060] [<ffffffff81120296>] SyS_init_module+0x126/0x140
>> [ 18.271067] [<ffffffff817d9332>] entry_SYSCALL_64_fastpath+0x16/0x7a
>> [ 18.272671] ACPI: Video Device [GFX0] (multi-head: yes rom: no post: no)
>> [ 18.272855] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input8
>> [ 18.273042] [drm] Initialized i915 1.6.0 20150522 for 0000:00:02.0 on minor 0
>> [ 18.282710] fbcon: inteldrmfb (fb0) is primary device
>> [ 18.434591] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
>> [ 18.434592] Bluetooth: BNEP filters: protocol multicast
>> [ 18.434598] Bluetooth: BNEP socket layer initialized
>> [ 18.435534] Bluetooth: RFCOMM TTY layer initialized
>> [ 18.435541] Bluetooth: RFCOMM socket layer initialized
>> [ 18.435552] Bluetooth: RFCOMM ver 1.11
>> [ 18.681374] usb 3-1.2: USB disconnect, device number 4
>> [ 19.216760] Console: switching to colour frame buffer device 170x48
>> [ 19.219970] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
>> [ 19.219971] i915 0000:00:02.0: registered panic notifier
>> [ 20.250828] iwlwifi 0000:01:00.0: CONFIG_IWLWIFI_DEBUG disabled
>> [ 20.250867] iwlwifi 0000:01:00.0: CONFIG_IWLWIFI_DEBUGFS enabled
>> [ 20.250898] iwlwifi 0000:01:00.0: CONFIG_IWLWIFI_DEVICE_TRACING enabled
>> [ 20.250931] iwlwifi 0000:01:00.0: Detected Intel(R) Centrino(R) Advanced-N 6230 AGN, REV=0xB0
>> [ 20.251073] iwlwifi 0000:01:00.0: L1 Enabled - LTR Disabled
>> [ 20.396164] ieee80211 phy0: Selected rate control algorithm 'iwl-agn-rs'
>> [ 21.711882] snd_hda_codec_realtek hdaudioC0D0: autoconfig for ALC269VC: line_outs=1 (0x14/0x0/0x0/0x0/0x0) type:speaker
>> [ 21.711975] snd_hda_codec_realtek hdaudioC0D0: speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
>> [ 21.712025] snd_hda_codec_realtek hdaudioC0D0: hp_outs=1 (0x15/0x0/0x0/0x0/0x0)
>> [ 21.712062] snd_hda_codec_realtek hdaudioC0D0: mono: mono_out=0x0
>> [ 21.712096] snd_hda_codec_realtek hdaudioC0D0: inputs:
>> [ 21.712145] snd_hda_codec_realtek hdaudioC0D0: Internal Mic=0x19
>> [ 21.712183] snd_hda_codec_realtek hdaudioC0D0: Mic=0x18
>> [ 21.812212] input: HDA Intel PCH Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input9
>> [ 21.812700] input: HDA Intel PCH Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input10
>> [ 21.813043] input: HDA Intel PCH HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:1b.0/sound/card0/input11
>> [ 21.842948] audit_printk_skb: 63 callbacks suppressed
>> [ 21.842985] audit: type=1400 audit(1439230902.767:33): apparmor="STATUS" operation="profile_load" name="/usr/bin/evince" pid=1283 comm="apparmor_parser"
>> [ 21.843859] audit: type=1400 audit(1439230902.767:34): apparmor="STATUS" operation="profile_load" name="launchpad_integration" pid=1283 comm="apparmor_parser"
>> [ 21.844740] audit: type=1400 audit(1439230902.771:35): apparmor="STATUS" operation="profile_load" name="sanitized_helper" pid=1283 comm="apparmor_parser"
>> [ 21.845641] audit: type=1400 audit(1439230902.771:36): apparmor="STATUS" operation="profile_load" name="/usr/bin/evince-previewer" pid=1283 comm="apparmor_parser"
>> [ 21.846542] audit: type=1400 audit(1439230902.771:37): apparmor="STATUS" operation="profile_load" name="launchpad_integration" pid=1283 comm="apparmor_parser"
>> [ 21.847451] audit: type=1400 audit(1439230902.771:38): apparmor="STATUS" operation="profile_load" name="sanitized_helper" pid=1283 comm="apparmor_parser"
>> [ 21.848422] audit: type=1400 audit(1439230902.775:39): apparmor="STATUS" operation="profile_load" name="/usr/bin/evince-thumbnailer" pid=1283 comm="apparmor_parser"
>> [ 21.849377] audit: type=1400 audit(1439230902.775:40): apparmor="STATUS" operation="profile_load" name="sanitized_helper" pid=1283 comm="apparmor_parser"
>> [ 21.858744] audit: type=1400 audit(1439230902.783:41): apparmor="STATUS" operation="profile_replace" name="launchpad_integration" pid=1283 comm="apparmor_parser"
>> [ 21.859611] audit: type=1400 audit(1439230902.783:42): apparmor="STATUS" operation="profile_replace" name="sanitized_helper" pid=1283 comm="apparmor_parser"
>> [ 22.459901] usb 3-1.2: new high-speed USB device number 5 using ehci-pci
>> [ 22.554575] usb 3-1.2: New USB device found, idVendor=12d1, idProduct=1436
>> [ 22.555649] usb 3-1.2: New USB device strings: Mfr=4, Product=3, SerialNumber=0
>> [ 22.557297] usb 3-1.2: Product: HUAWEI Mobile
>> [ 22.559023] usb 3-1.2: Manufacturer: HUAWEI Technology
>> [ 22.563902] usb-storage 3-1.2:1.0: USB Mass Storage device detected
>> [ 22.566018] usb-storage 3-1.2:1.1: USB Mass Storage device detected
>> [ 22.568008] usb-storage 3-1.2:1.2: USB Mass Storage device detected
>> [ 22.569979] usb-storage 3-1.2:1.3: USB Mass Storage device detected
>> [ 22.571945] usb-storage 3-1.2:1.4: USB Mass Storage device detected
>> [ 22.573874] usb-storage 3-1.2:1.5: USB Mass Storage device detected
>> [ 22.576326] scsi host13: usb-storage 3-1.2:1.5
>> [ 22.578315] usb-storage 3-1.2:1.6: USB Mass Storage device detected
>> [ 22.580467] scsi host14: usb-storage 3-1.2:1.6
>> [ 22.774138] usbcore: registered new interface driver usbserial
>> [ 22.798789] cdc_ether 3-1.2:1.1 wwan0: register 'cdc_ether' at usb-0000:00:1a.0-1.2, Mobile Broadband Network Device, 02:50:f3:00:00:00
>> [ 22.800656] usbcore: registered new interface driver cdc_ether
>> [ 23.202323] usbcore: registered new interface driver option
>> [ 23.203782] usbserial: USB Serial support registered for GSM modem (1-port)
>> [ 23.205337] option 3-1.2:1.0: GSM modem (1-port) converter detected
>> [ 23.206638] usb 3-1.2: GSM modem (1-port) converter now attached to ttyUSB0
>> [ 23.207909] option 3-1.2:1.3: GSM modem (1-port) converter detected
>> [ 23.209234] usb 3-1.2: GSM modem (1-port) converter now attached to ttyUSB1
>> [ 23.210451] option 3-1.2:1.4: GSM modem (1-port) converter detected
>> [ 23.211816] usb 3-1.2: GSM modem (1-port) converter now attached to ttyUSB2
>> [ 23.576666] scsi 13:0:0:0: CD-ROM HUAWEI Mass Storage 2.31 PQ: 0 ANSI: 2
>> [ 23.580741] sr 13:0:0:0: [sr0] scsi-1 drive
>> [ 23.581991] scsi 14:0:0:0: Direct-Access HUAWEI SD Storage 2.31 PQ: 0 ANSI: 2
>> [ 23.584641] sr 13:0:0:0: Attached scsi CD-ROM sr0
>> [ 23.586672] sr 13:0:0:0: Attached scsi generic sg2 type 5
>> [ 23.588938] sd 14:0:0:0: Attached scsi generic sg3 type 0
>> [ 23.596608] sd 14:0:0:0: [sdc] Attached SCSI removable disk
>> [ 25.991485] r8169 0000:02:00.0 eth0: link down
>> [ 25.993137] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
>> [ 26.134956] snd_hda_intel 0000:00:1b.0: control 2:0:0:PCM Playback Volume:0 is already present
>> [ 26.262594] init: alsa-restore main process (1374) terminated with status 99
>> [ 65.193371] PPP BSD Compression module registered
>> [ 65.232443] PPP Deflate Compression module registered
>> [ 67.303582] usb 4-1.5: USB disconnect, device number 4
>
>
>> _______________________________________________
>> Intel-gfx mailing list
>> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
>> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
>
>
> --
> Ville SyrjÃlÃ
> Intel OTC
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