Attachment 96692 Details for Bug 76876 – dmesg

dmesg

dmesg-eDP-HDMI-DP-inactive-201403-27.txt (text/plain), 127.38 KB, created by liulei on 2014-04-01 02:38:40 UTC

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Description:

Filename:

MIME Type:

Creator: liulei

Created: 2014-04-01 02:38:40 UTC

Size: 127.38 KB

patch

obsolete

>[  787.894324]  ffffffff81035052 0000000000000286 ffffffffa008de15 ffff880159b3bb10
>[  787.894326]  ffff880002d14000 000000000007f008 ffff880002d14070 0000000000000000
>[  787.894327] Call Trace:
>[  787.894333]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  787.894336]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  787.894348]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.894351]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  787.894361]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.894373]  [<ffffffffa0096732>] ? intel_wait_for_pipe_off+0xb3/0x174 [i915]
>[  787.894385]  [<ffffffffa009cc5d>] ? haswell_crtc_disable+0xe8/0x2ae [i915]
>[  787.894395]  [<ffffffffa009d3e1>] ? intel_crtc_update_dpms+0x53/0x62 [i915]
>[  787.894406]  [<ffffffffa00a173a>] ? intel_connector_dpms+0x3f/0x4a [i915]
>[  787.894410]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  787.894413]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  787.894417]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  787.894420]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  787.894423]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  787.894425]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  787.894429]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  787.894431]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  787.894434]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  787.894437]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  787.894439]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  787.894441]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  787.894444]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  787.894448]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.894452]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  787.894456]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.894457] ---[ end trace eed8878e71934ccd ]---
>[  787.896274] ------------[ cut here ]------------
>[  787.896298] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[  787.896299] Device suspended
>[  787.896313] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  787.896316] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  787.896317] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  787.896321] Workqueue: events console_callback
>[  787.896324]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3bb38
>[  787.896325]  ffffffff81035052 0000000000000286 ffffffffa008de15 ffff880159b3bb10
>[  787.896327]  ffff880002d14000 000000000007f008 ffff880002d14070 0000000000000000
>[  787.896328] Call Trace:
>[  787.896334]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  787.896337]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  787.896349]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.896352]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  787.896366]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.896379]  [<ffffffffa0096732>] ? intel_wait_for_pipe_off+0xb3/0x174 [i915]
>[  787.896392]  [<ffffffffa009cc5d>] ? haswell_crtc_disable+0xe8/0x2ae [i915]
>[  787.896405]  [<ffffffffa009d3e1>] ? intel_crtc_update_dpms+0x53/0x62 [i915]
>[  787.896418]  [<ffffffffa00a173a>] ? intel_connector_dpms+0x3f/0x4a [i915]
>[  787.896422]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  787.896426]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  787.896430]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  787.896433]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  787.896436]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  787.896439]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  787.896444]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  787.896446]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  787.896449]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  787.896451]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  787.896453]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  787.896456]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  787.896459]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  787.896463]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.896468]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  787.896471]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.896473] ---[ end trace eed8878e71934cce ]---
>[  787.898275] ------------[ cut here ]------------
>[  787.898300] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[  787.898300] Device suspended
>[  787.898314] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  787.898317] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  787.898318] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  787.898322] Workqueue: events console_callback
>[  787.898325]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3bb38
>[  787.898326]  ffffffff81035052 0000000000000286 ffffffffa008de15 ffff880159b3bb10
>[  787.898328]  ffff880002d14000 000000000007f008 ffff880002d14070 0000000000000000
>[  787.898329] Call Trace:
>[  787.898334]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  787.898338]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  787.898350]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.898352]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  787.898363]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.898374]  [<ffffffffa0096732>] ? intel_wait_for_pipe_off+0xb3/0x174 [i915]
>[  787.898385]  [<ffffffffa009cc5d>] ? haswell_crtc_disable+0xe8/0x2ae [i915]
>[  787.898395]  [<ffffffffa009d3e1>] ? intel_crtc_update_dpms+0x53/0x62 [i915]
>[  787.898406]  [<ffffffffa00a173a>] ? intel_connector_dpms+0x3f/0x4a [i915]
>[  787.898410]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  787.898414]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  787.898417]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  787.898420]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  787.898423]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  787.898425]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  787.898430]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  787.898432]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  787.898435]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  787.898437]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  787.898439]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  787.898441]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  787.898444]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  787.898448]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.898452]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  787.898455]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.898457] ---[ end trace eed8878e71934ccf ]---
>[  787.900278] ------------[ cut here ]------------
>[  787.900304] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[  787.900305] Device suspended
>[  787.900319] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  787.900322] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  787.900323] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  787.900328] Workqueue: events console_callback
>[  787.900331]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3bb38
>[  787.900332]  ffffffff81035052 0000000000000286 ffffffffa008de15 ffff880159b3bb10
>[  787.900334]  ffff880002d14000 000000000007f008 ffff880002d14070 0000000000000000
>[  787.900334] Call Trace:
>[  787.900341]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  787.900344]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  787.900357]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.900359]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  787.900369]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.900381]  [<ffffffffa0096732>] ? intel_wait_for_pipe_off+0xb3/0x174 [i915]
>[  787.900392]  [<ffffffffa009cc5d>] ? haswell_crtc_disable+0xe8/0x2ae [i915]
>[  787.900403]  [<ffffffffa009d3e1>] ? intel_crtc_update_dpms+0x53/0x62 [i915]
>[  787.900415]  [<ffffffffa00a173a>] ? intel_connector_dpms+0x3f/0x4a [i915]
>[  787.900419]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  787.900422]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  787.900426]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  787.900429]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  787.900432]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  787.900434]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  787.900439]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  787.900441]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  787.900445]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  787.900447]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  787.900449]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  787.900451]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  787.900454]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  787.900458]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.900463]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  787.900466]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.900468] ---[ end trace eed8878e71934cd0 ]---
>[  787.902276] ------------[ cut here ]------------
>[  787.902301] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[  787.902302] Device suspended
>[  787.902315] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  787.902319] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  787.902320] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  787.902324] Workqueue: events console_callback
>[  787.902326]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3bb38
>[  787.902328]  ffffffff81035052 0000000000000286 ffffffffa008de15 ffff880159b3bb10
>[  787.902330]  ffff880002d14000 000000000007f008 ffff880002d14070 0000000000000000
>[  787.902330] Call Trace:
>[  787.902336]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  787.902340]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  787.902352]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.902355]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  787.902365]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.902377]  [<ffffffffa0096732>] ? intel_wait_for_pipe_off+0xb3/0x174 [i915]
>[  787.902388]  [<ffffffffa009cc5d>] ? haswell_crtc_disable+0xe8/0x2ae [i915]
>[  787.902399]  [<ffffffffa009d3e1>] ? intel_crtc_update_dpms+0x53/0x62 [i915]
>[  787.902410]  [<ffffffffa00a173a>] ? intel_connector_dpms+0x3f/0x4a [i915]
>[  787.902414]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  787.902417]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  787.902421]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  787.902423]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  787.902426]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  787.902428]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  787.902433]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  787.902434]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  787.902438]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  787.902440]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  787.902442]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  787.902444]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  787.902447]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  787.902450]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.902455]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  787.902458]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.902460] ---[ end trace eed8878e71934cd1 ]---
>[  787.904277] ------------[ cut here ]------------
>[  787.904301] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[  787.904302] Device suspended
>[  787.904315] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  787.904318] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  787.904319] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  787.904324] Workqueue: events console_callback
>[  787.904326]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3bb38
>[  787.904328]  ffffffff81035052 0000000000000286 ffffffffa008de15 ffff880159b3bb10
>[  787.904329]  ffff880002d14000 000000000007f008 ffff880002d14070 0000000000000000
>[  787.904330] Call Trace:
>[  787.904336]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  787.904340]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  787.904352]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.904355]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  787.904365]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.904377]  [<ffffffffa0096732>] ? intel_wait_for_pipe_off+0xb3/0x174 [i915]
>[  787.904388]  [<ffffffffa009cc5d>] ? haswell_crtc_disable+0xe8/0x2ae [i915]
>[  787.904398]  [<ffffffffa009d3e1>] ? intel_crtc_update_dpms+0x53/0x62 [i915]
>[  787.904409]  [<ffffffffa00a173a>] ? intel_connector_dpms+0x3f/0x4a [i915]
>[  787.904413]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  787.904417]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  787.904420]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  787.904423]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  787.904426]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  787.904429]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  787.904433]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  787.904435]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  787.904438]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  787.904440]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  787.904442]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  787.904444]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  787.904447]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  787.904451]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.904455]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  787.904458]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.904460] ---[ end trace eed8878e71934cd2 ]---
>[  787.906279] ------------[ cut here ]------------
>[  787.906304] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[  787.906304] Device suspended
>[  787.906318] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  787.906321] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  787.906322] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  787.906326] Workqueue: events console_callback
>[  787.906329]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3bb38
>[  787.906330]  ffffffff81035052 0000000000000286 ffffffffa008de15 ffff880159b3bb10
>[  787.906332]  ffff880002d14000 000000000007f008 ffff880002d14070 0000000000000000
>[  787.906333] Call Trace:
>[  787.906339]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  787.906342]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  787.906354]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.906357]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  787.906367]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.906379]  [<ffffffffa0096732>] ? intel_wait_for_pipe_off+0xb3/0x174 [i915]
>[  787.906390]  [<ffffffffa009cc5d>] ? haswell_crtc_disable+0xe8/0x2ae [i915]
>[  787.906400]  [<ffffffffa009d3e1>] ? intel_crtc_update_dpms+0x53/0x62 [i915]
>[  787.906411]  [<ffffffffa00a173a>] ? intel_connector_dpms+0x3f/0x4a [i915]
>[  787.906415]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  787.906418]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  787.906422]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  787.906425]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  787.906428]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  787.906430]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  787.906434]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  787.906436]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  787.906439]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  787.906441]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  787.906444]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  787.906446]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  787.906449]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  787.906452]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.906457]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  787.906460]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.906462] ---[ end trace eed8878e71934cd3 ]---
>[  787.908279] ------------[ cut here ]------------
>[  787.908303] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[  787.908304] Device suspended
>[  787.908317] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  787.908320] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  787.908321] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  787.908326] Workqueue: events console_callback
>[  787.908328]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3bb38
>[  787.908330]  ffffffff81035052 0000000000000286 ffffffffa008de15 ffff880159b3bb10
>[  787.908332]  ffff880002d14000 000000000007f008 ffff880002d14070 0000000000000000
>[  787.908332] Call Trace:
>[  787.908338]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  787.908342]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  787.908354]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.908356]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  787.908366]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.908378]  [<ffffffffa0096732>] ? intel_wait_for_pipe_off+0xb3/0x174 [i915]
>[  787.908389]  [<ffffffffa009cc5d>] ? haswell_crtc_disable+0xe8/0x2ae [i915]
>[  787.908399]  [<ffffffffa009d3e1>] ? intel_crtc_update_dpms+0x53/0x62 [i915]
>[  787.908411]  [<ffffffffa00a173a>] ? intel_connector_dpms+0x3f/0x4a [i915]
>[  787.908415]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  787.908418]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  787.908422]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  787.908424]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  787.908427]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  787.908430]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  787.908434]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  787.908436]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  787.908439]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  787.908441]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  787.908443]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  787.908445]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  787.908449]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  787.908452]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.908457]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  787.908460]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.908461] ---[ end trace eed8878e71934cd4 ]---
>[  787.910279] ------------[ cut here ]------------
>[  787.910304] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[  787.910305] Device suspended
>[  787.910319] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  787.910322] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  787.910323] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  787.910327] Workqueue: events console_callback
>[  787.910330]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3bb38
>[  787.910331]  ffffffff81035052 0000000000000286 ffffffffa008de15 ffff880159b3bb10
>[  787.910333]  ffff880002d14000 000000000007f008 ffff880002d14070 0000000000000000
>[  787.910334] Call Trace:
>[  787.910340]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  787.910343]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  787.910355]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.910357]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  787.910367]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.910379]  [<ffffffffa0096732>] ? intel_wait_for_pipe_off+0xb3/0x174 [i915]
>[  787.910390]  [<ffffffffa009cc5d>] ? haswell_crtc_disable+0xe8/0x2ae [i915]
>[  787.910400]  [<ffffffffa009d3e1>] ? intel_crtc_update_dpms+0x53/0x62 [i915]
>[  787.910411]  [<ffffffffa00a173a>] ? intel_connector_dpms+0x3f/0x4a [i915]
>[  787.910415]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  787.910418]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  787.910422]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  787.910425]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  787.910428]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  787.910430]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  787.910435]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  787.910437]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  787.910440]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  787.910442]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  787.910444]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  787.910446]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  787.910449]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  787.910452]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.910457]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  787.910460]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.910462] ---[ end trace eed8878e71934cd5 ]---
>[  787.912284] ------------[ cut here ]------------
>[  787.912310] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[  787.912311] Device suspended
>[  787.912325] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  787.912329] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  787.912330] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  787.912334] Workqueue: events console_callback
>[  787.912337]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3bb38
>[  787.912338]  ffffffff81035052 0000000000000286 ffffffffa008de15 ffff880159b3bb10
>[  787.912340]  ffff880002d14000 000000000007f008 ffff880002d14070 0000000000000000
>[  787.912341] Call Trace:
>[  787.912347]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  787.912351]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  787.912363]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.912365]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  787.912375]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.912387]  [<ffffffffa0096732>] ? intel_wait_for_pipe_off+0xb3/0x174 [i915]
>[  787.912398]  [<ffffffffa009cc5d>] ? haswell_crtc_disable+0xe8/0x2ae [i915]
>[  787.912409]  [<ffffffffa009d3e1>] ? intel_crtc_update_dpms+0x53/0x62 [i915]
>[  787.912420]  [<ffffffffa00a173a>] ? intel_connector_dpms+0x3f/0x4a [i915]
>[  787.912425]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  787.912428]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  787.912432]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  787.912435]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  787.912438]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  787.912440]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  787.912445]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  787.912447]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  787.912451]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  787.912453]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  787.912455]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  787.912457]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  787.912460]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  787.912464]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.912469]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  787.912472]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.912473] ---[ end trace eed8878e71934cd6 ]---
>[  787.914284] ------------[ cut here ]------------
>[  787.914310] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[  787.914311] Device suspended
>[  787.914326] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  787.914329] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  787.914330] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  787.914335] Workqueue: events console_callback
>[  787.914338]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3bb38
>[  787.914340]  ffffffff81035052 0000000000000286 ffffffffa008de15 ffff880159b3bb10
>[  787.914341]  ffff880002d14000 000000000007f008 ffff880002d14070 0000000000000000
>[  787.914342] Call Trace:
>[  787.914349]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  787.914353]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  787.914365]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.914367]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  787.914378]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.914390]  [<ffffffffa0096732>] ? intel_wait_for_pipe_off+0xb3/0x174 [i915]
>[  787.914401]  [<ffffffffa009cc5d>] ? haswell_crtc_disable+0xe8/0x2ae [i915]
>[  787.914411]  [<ffffffffa009d3e1>] ? intel_crtc_update_dpms+0x53/0x62 [i915]
>[  787.914423]  [<ffffffffa00a173a>] ? intel_connector_dpms+0x3f/0x4a [i915]
>[  787.914427]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  787.914430]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  787.914435]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  787.914438]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  787.914442]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  787.914444]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  787.914448]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  787.914450]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  787.914453]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  787.914455]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  787.914457]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  787.914459]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  787.914463]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  787.914467]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.914471]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  787.914474]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.914476] ---[ end trace eed8878e71934cd7 ]---
>[  787.916283] ------------[ cut here ]------------
>[  787.916307] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[  787.916308] Device suspended
>[  787.916322] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  787.916325] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  787.916326] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  787.916330] Workqueue: events console_callback
>[  787.916333]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3bb38
>[  787.916334]  ffffffff81035052 0000000000000286 ffffffffa008de15 ffff880159b3bb10
>[  787.916336]  ffff880002d14000 000000000007f008 ffff880002d14070 0000000000000000
>[  787.916336] Call Trace:
>[  787.916343]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  787.916346]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  787.916358]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.916360]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  787.916370]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.916382]  [<ffffffffa0096732>] ? intel_wait_for_pipe_off+0xb3/0x174 [i915]
>[  787.916393]  [<ffffffffa009cc5d>] ? haswell_crtc_disable+0xe8/0x2ae [i915]
>[  787.916403]  [<ffffffffa009d3e1>] ? intel_crtc_update_dpms+0x53/0x62 [i915]
>[  787.916414]  [<ffffffffa00a173a>] ? intel_connector_dpms+0x3f/0x4a [i915]
>[  787.916418]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  787.916421]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  787.916425]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  787.916428]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  787.916431]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  787.916433]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  787.916437]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  787.916439]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  787.916442]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  787.916444]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  787.916446]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  787.916448]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  787.916452]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  787.916455]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.916460]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  787.916463]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.916464] ---[ end trace eed8878e71934cd8 ]---
>[  787.918283] ------------[ cut here ]------------
>[  787.918307] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[  787.918308] Device suspended
>[  787.918322] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  787.918325] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  787.918326] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  787.918330] Workqueue: events console_callback
>[  787.918333]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3bb38
>[  787.918334]  ffffffff81035052 0000000000000286 ffffffffa008de15 ffff880159b3bb10
>[  787.918336]  ffff880002d14000 000000000007f008 ffff880002d14070 0000000000000000
>[  787.918337] Call Trace:
>[  787.918343]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  787.918346]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  787.918358]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.918360]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  787.918370]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.918382]  [<ffffffffa0096732>] ? intel_wait_for_pipe_off+0xb3/0x174 [i915]
>[  787.918392]  [<ffffffffa009cc5d>] ? haswell_crtc_disable+0xe8/0x2ae [i915]
>[  787.918402]  [<ffffffffa009d3e1>] ? intel_crtc_update_dpms+0x53/0x62 [i915]
>[  787.918413]  [<ffffffffa00a173a>] ? intel_connector_dpms+0x3f/0x4a [i915]
>[  787.918417]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  787.918421]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  787.918424]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  787.918427]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  787.918430]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  787.918433]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  787.918437]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  787.918439]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  787.918442]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  787.918444]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  787.918446]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  787.918448]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  787.918451]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  787.918455]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.918459]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  787.918463]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.918464] ---[ end trace eed8878e71934cd9 ]---
>[  787.920284] ------------[ cut here ]------------
>[  787.920308] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[  787.920309] Device suspended
>[  787.920323] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  787.920326] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  787.920327] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  787.920331] Workqueue: events console_callback
>[  787.920334]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3bb38
>[  787.920335]  ffffffff81035052 0000000000000286 ffffffffa008de15 ffff880159b3bb10
>[  787.920337]  ffff880002d14000 000000000007f008 ffff880002d14070 0000000000000000
>[  787.920338] Call Trace:
>[  787.920344]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  787.920347]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  787.920359]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.920361]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  787.920372]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.920384]  [<ffffffffa0096732>] ? intel_wait_for_pipe_off+0xb3/0x174 [i915]
>[  787.920395]  [<ffffffffa009cc5d>] ? haswell_crtc_disable+0xe8/0x2ae [i915]
>[  787.920405]  [<ffffffffa009d3e1>] ? intel_crtc_update_dpms+0x53/0x62 [i915]
>[  787.920417]  [<ffffffffa00a173a>] ? intel_connector_dpms+0x3f/0x4a [i915]
>[  787.920421]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  787.920424]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  787.920428]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  787.920431]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  787.920434]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  787.920436]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  787.920441]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  787.920443]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  787.920446]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  787.920448]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  787.920450]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  787.920452]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  787.920455]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  787.920458]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.920463]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  787.920466]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.920468] ---[ end trace eed8878e71934cda ]---
>[  787.922285] ------------[ cut here ]------------
>[  787.922310] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[  787.922311] Device suspended
>[  787.922325] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  787.922328] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  787.922329] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  787.922333] Workqueue: events console_callback
>[  787.922336]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3bb38
>[  787.922337]  ffffffff81035052 0000000000000286 ffffffffa008de15 ffff880159b3bb10
>[  787.922339]  ffff880002d14000 000000000007f008 ffff880002d14070 0000000000000000
>[  787.922339] Call Trace:
>[  787.922345]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  787.922349]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  787.922361]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.922364]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  787.922378]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.922392]  [<ffffffffa0096732>] ? intel_wait_for_pipe_off+0xb3/0x174 [i915]
>[  787.922405]  [<ffffffffa009cc5d>] ? haswell_crtc_disable+0xe8/0x2ae [i915]
>[  787.922418]  [<ffffffffa009d3e1>] ? intel_crtc_update_dpms+0x53/0x62 [i915]
>[  787.922431]  [<ffffffffa00a173a>] ? intel_connector_dpms+0x3f/0x4a [i915]
>[  787.922435]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  787.922439]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  787.922443]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  787.922445]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  787.922449]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  787.922451]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  787.922456]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  787.922458]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  787.922462]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  787.922464]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  787.922466]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  787.922468]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  787.922472]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  787.922475]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.922480]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  787.922483]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.922485] ---[ end trace eed8878e71934cdb ]---
>[  787.924286] ------------[ cut here ]------------
>[  787.924311] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[  787.924311] Device suspended
>[  787.924325] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  787.924328] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  787.924329] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  787.924333] Workqueue: events console_callback
>[  787.924336]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3bb38
>[  787.924338]  ffffffff81035052 0000000000000286 ffffffffa008de15 ffff880159b3bb10
>[  787.924339]  ffff880002d14000 000000000007f008 ffff880002d14070 0000000000000000
>[  787.924340] Call Trace:
>[  787.924346]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  787.924349]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  787.924361]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.924363]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  787.924373]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.924385]  [<ffffffffa0096732>] ? intel_wait_for_pipe_off+0xb3/0x174 [i915]
>[  787.924396]  [<ffffffffa009cc5d>] ? haswell_crtc_disable+0xe8/0x2ae [i915]
>[  787.924407]  [<ffffffffa009d3e1>] ? intel_crtc_update_dpms+0x53/0x62 [i915]
>[  787.924418]  [<ffffffffa00a173a>] ? intel_connector_dpms+0x3f/0x4a [i915]
>[  787.924422]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  787.924425]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  787.924429]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  787.924432]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  787.924435]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  787.924437]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  787.924441]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  787.924443]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  787.924447]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  787.924449]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  787.924451]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  787.924453]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  787.924456]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  787.924459]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.924464]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  787.924467]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.924469] ---[ end trace eed8878e71934cdc ]---
>[  787.926289] ------------[ cut here ]------------
>[  787.926315] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[  787.926317] Device suspended
>[  787.926331] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  787.926334] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  787.926335] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  787.926340] Workqueue: events console_callback
>[  787.926342]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3bb38
>[  787.926344]  ffffffff81035052 0000000000000286 ffffffffa008de15 ffff880159b3bb10
>[  787.926346]  ffff880002d14000 000000000007f008 ffff880002d14070 0000000000000000
>[  787.926346] Call Trace:
>[  787.926353]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  787.926357]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  787.926369]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.926371]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  787.926381]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.926393]  [<ffffffffa0096732>] ? intel_wait_for_pipe_off+0xb3/0x174 [i915]
>[  787.926405]  [<ffffffffa009cc5d>] ? haswell_crtc_disable+0xe8/0x2ae [i915]
>[  787.926415]  [<ffffffffa009d3e1>] ? intel_crtc_update_dpms+0x53/0x62 [i915]
>[  787.926426]  [<ffffffffa00a173a>] ? intel_connector_dpms+0x3f/0x4a [i915]
>[  787.926430]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  787.926433]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  787.926437]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  787.926440]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  787.926444]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  787.926446]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  787.926451]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  787.926453]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  787.926456]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  787.926458]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  787.926461]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  787.926463]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  787.926467]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  787.926470]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.926474]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  787.926478]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.926479] ---[ end trace eed8878e71934cdd ]---
>[  787.926482] ------------[ cut here ]------------
>[  787.926492] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[  787.926493] Device suspended
>[  787.926503] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  787.926505] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  787.926506] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  787.926508] Workqueue: events console_callback
>[  787.926510]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3bb38
>[  787.926511]  ffffffff81035052 0000000000000286 ffffffffa008de15 ffff880159b3bb10
>[  787.926513]  ffff880002d14000 000000000007f008 ffff880002d14070 0000000000000000
>[  787.926514] Call Trace:
>[  787.926517]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  787.926519]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  787.926528]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.926529]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  787.926538]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.926548]  [<ffffffffa00966f1>] ? intel_wait_for_pipe_off+0x72/0x174 [i915]
>[  787.926558]  [<ffffffffa009cc5d>] ? haswell_crtc_disable+0xe8/0x2ae [i915]
>[  787.926567]  [<ffffffffa009d3e1>] ? intel_crtc_update_dpms+0x53/0x62 [i915]
>[  787.926577]  [<ffffffffa00a173a>] ? intel_connector_dpms+0x3f/0x4a [i915]
>[  787.926581]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  787.926584]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  787.926587]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  787.926588]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  787.926591]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  787.926593]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  787.926596]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  787.926598]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  787.926600]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  787.926602]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  787.926604]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  787.926606]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  787.926608]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  787.926611]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.926614]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  787.926617]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.926618] ---[ end trace eed8878e71934cde ]---
>[  787.926619] ------------[ cut here ]------------
>[  787.926629] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_display.c:860 haswell_crtc_disable+0xe8/0x2ae [i915]()
>[  787.926629] pipe_off wait timed out
>[  787.926640] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  787.926641] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  787.926642] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  787.926644] Workqueue: events console_callback
>[  787.926645]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3bb88
>[  787.926647]  ffffffff81035052 ffff880159b3bb98 ffffffffa009cc5d 0000000000000286
>[  787.926648]  ffff880155469000 ffff880002d14000 ffff880155b35000 0000000000000000
>[  787.926649] Call Trace:
>[  787.926652]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  787.926654]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  787.926662]  [<ffffffffa009cc5d>] ? haswell_crtc_disable+0xe8/0x2ae [i915]
>[  787.926664]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  787.926673]  [<ffffffffa009cc5d>] ? haswell_crtc_disable+0xe8/0x2ae [i915]
>[  787.926682]  [<ffffffffa009d3e1>] ? intel_crtc_update_dpms+0x53/0x62 [i915]
>[  787.926691]  [<ffffffffa00a173a>] ? intel_connector_dpms+0x3f/0x4a [i915]
>[  787.926695]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  787.926698]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  787.926700]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  787.926702]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  787.926704]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  787.926707]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  787.926709]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  787.926711]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  787.926713]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  787.926715]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  787.926717]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  787.926719]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  787.926722]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  787.926725]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.926728]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  787.926731]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.926732] ---[ end trace eed8878e71934cdf ]---
>[  787.926733] ------------[ cut here ]------------
>[  787.926743] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[  787.926744] Device suspended
>[  787.926754] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  787.926756] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  787.926757] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  787.926758] Workqueue: events console_callback
>[  787.926760]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3bb38
>[  787.926761]  ffffffff81035052 ffff880159b3bb48 ffffffffa008de15 ffff880155b352c8
>[  787.926763]  ffff880002d14000 000000000006f400 ffff880002d14070 0000000000000000
>[  787.926763] Call Trace:
>[  787.926766]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  787.926767]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  787.926775]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.926777]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  787.926786]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.926798]  [<ffffffffa00af970>] ? intel_ddi_disable_transcoder_func+0x27/0x46 [i915]
>[  787.926807]  [<ffffffffa009cc69>] ? haswell_crtc_disable+0xf4/0x2ae [i915]
>[  787.926816]  [<ffffffffa009d3e1>] ? intel_crtc_update_dpms+0x53/0x62 [i915]
>[  787.926825]  [<ffffffffa00a173a>] ? intel_connector_dpms+0x3f/0x4a [i915]
>[  787.926829]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  787.926832]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  787.926834]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  787.926836]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  787.926838]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  787.926840]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  787.926843]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  787.926845]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  787.926847]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  787.926848]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  787.926850]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  787.926852]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  787.926855]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  787.926858]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.926860]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  787.926863]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.926864] ---[ end trace eed8878e71934ce0 ]---
>[  787.926865] ------------[ cut here ]------------
>[  787.926874] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_uncore.c:47 hsw_write32+0x20/0x9b [i915]()
>[  787.926874] Device suspended
>[  787.926884] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  787.926886] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  787.926886] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  787.926888] Workqueue: events console_callback
>[  787.926890]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3bb38
>[  787.926891]  ffffffff81035052 ffff880159b3bb48 ffffffffa008e306 ffff880155b352c8
>[  787.926893]  000000000006f400 ffff880002d14000 ffff880155b35000 ffff880002d14070
>[  787.926893] Call Trace:
>[  787.926895]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  787.926897]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  787.926905]  [<ffffffffa008e306>] ? hsw_write32+0x20/0x9b [i915]
>[  787.926907]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  787.926915]  [<ffffffffa008e2e6>] ? hsw_write64+0x9b/0x9b [i915]
>[  787.926923]  [<ffffffffa008e306>] ? hsw_write32+0x20/0x9b [i915]
>[  787.926932]  [<ffffffffa009cc69>] ? haswell_crtc_disable+0xf4/0x2ae [i915]
>[  787.926940]  [<ffffffffa009d3e1>] ? intel_crtc_update_dpms+0x53/0x62 [i915]
>[  787.926950]  [<ffffffffa00a173a>] ? intel_connector_dpms+0x3f/0x4a [i915]
>[  787.926953]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  787.926956]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  787.926959]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  787.926960]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  787.926962]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  787.926964]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  787.926967]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  787.926969]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  787.926970]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  787.926972]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  787.926974]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  787.926976]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  787.926979]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  787.926982]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.926984]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  787.926987]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.926988] ---[ end trace eed8878e71934ce1 ]---
>[  787.926991] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed register before writing to 6f400
>[  787.926992] [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 6f400
>[  787.926994] ------------[ cut here ]------------
>[  787.927002] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[  787.927002] Device suspended
>[  787.927012] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  787.927014] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  787.927015] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  787.927016] Workqueue: events console_callback
>[  787.927018]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3bb18
>[  787.927019]  ffffffff81035052 0000000000000000 ffffffffa008de15 ffff880159b3bb20
>[  787.927021]  ffff880002d14000 0000000000064000 ffff880002d14070 0000000000000008
>[  787.927021] Call Trace:
>[  787.927023]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  787.927025]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  787.927033]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.927035]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  787.927043]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.927054]  [<ffffffffa00ae422>] ? intel_ddi_post_disable+0x42/0xff [i915]
>[  787.927063]  [<ffffffffa009cc9a>] ? haswell_crtc_disable+0x125/0x2ae [i915]
>[  787.927071]  [<ffffffffa009d3e1>] ? intel_crtc_update_dpms+0x53/0x62 [i915]
>[  787.927081]  [<ffffffffa00a173a>] ? intel_connector_dpms+0x3f/0x4a [i915]
>[  787.927084]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  787.927087]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  787.927089]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  787.927091]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  787.927093]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  787.927095]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  787.927098]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  787.927100]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  787.927101]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  787.927103]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  787.927105]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  787.927107]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  787.927110]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  787.927112]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.927115]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  787.927118]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.927119] ---[ end trace eed8878e71934ce2 ]---
>[  787.927120] ------------[ cut here ]------------
>[  787.927128] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_uncore.c:47 hsw_write32+0x20/0x9b [i915]()
>[  787.927128] Device suspended
>[  787.927138] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  787.927140] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  787.927140] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  787.927142] Workqueue: events console_callback
>[  787.927143]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3baf8
>[  787.927145]  ffffffff81035052 0000000000000000 ffffffffa008e306 0000000000000000
>[  787.927146]  0000000000064000 ffff880002d14000 ffff88008c54f000 ffff880002d14070
>[  787.927147] Call Trace:
>[  787.927149]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  787.927150]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  787.927158]  [<ffffffffa008e306>] ? hsw_write32+0x20/0x9b [i915]
>[  787.927160]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  787.927169]  [<ffffffffa008e306>] ? hsw_write32+0x20/0x9b [i915]
>[  787.927179]  [<ffffffffa00ae442>] ? intel_ddi_post_disable+0x62/0xff [i915]
>[  787.927188]  [<ffffffffa009cc9a>] ? haswell_crtc_disable+0x125/0x2ae [i915]
>[  787.927197]  [<ffffffffa009d3e1>] ? intel_crtc_update_dpms+0x53/0x62 [i915]
>[  787.927206]  [<ffffffffa00a173a>] ? intel_connector_dpms+0x3f/0x4a [i915]
>[  787.927210]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  787.927213]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  787.927220]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  787.927222]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  787.927224]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  787.927226]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  787.927228]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  787.927230]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  787.927232]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  787.927234]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  787.927236]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  787.927237]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  787.927240]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  787.927243]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.927246]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  787.927248]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.927249] ---[ end trace eed8878e71934ce3 ]---
>[  787.927251] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed register before writing to 64000
>[  787.927253] [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 64000
>[  787.927253] ------------[ cut here ]------------
>[  787.927262] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[  787.927262] Device suspended
>[  787.927272] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  787.927274] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  787.927274] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  787.927276] Workqueue: events console_callback
>[  787.927277]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3bb18
>[  787.927279]  ffffffff81035052 ffff880002d14000 ffffffffa008de15 ffff880159b3baf0
>[  787.927280]  ffff880002d14000 0000000000064040 ffff880002d14070 0000000000000008
>[  787.927281] Call Trace:
>[  787.927283]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  787.927284]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  787.927292]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.927294]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  787.927302]  [<ffffffffa008cf28>] ? hsw_unclaimed_reg_check.isra.8+0x28/0x38 [i915]
>[  787.927310]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.927320]  [<ffffffffa00ae461>] ? intel_ddi_post_disable+0x81/0xff [i915]
>[  787.927329]  [<ffffffffa009cc9a>] ? haswell_crtc_disable+0x125/0x2ae [i915]
>[  787.927338]  [<ffffffffa009d3e1>] ? intel_crtc_update_dpms+0x53/0x62 [i915]
>[  787.927347]  [<ffffffffa00a173a>] ? intel_connector_dpms+0x3f/0x4a [i915]
>[  787.927351]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  787.927354]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  787.927356]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  787.927358]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  787.927360]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  787.927361]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  787.927364]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  787.927366]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  787.927368]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  787.927370]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  787.927371]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  787.927373]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  787.927376]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  787.927379]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.927382]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  787.927384]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.927385] ---[ end trace eed8878e71934ce4 ]---
>[  787.927386] ------------[ cut here ]------------
>[  787.927395] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_uncore.c:47 hsw_write32+0x20/0x9b [i915]()
>[  787.927395] Device suspended
>[  787.927405] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  787.927406] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  787.927407] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  787.927408] Workqueue: events console_callback
>[  787.927410]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3baf8
>[  787.927411]  ffffffff81035052 0000000000000000 ffffffffa008e306 0000000000000000
>[  787.927413]  0000000000064040 ffff880002d14000 ffff88008c54f000 ffff880002d14070
>[  787.927413] Call Trace:
>[  787.927415]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  787.927417]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  787.927425]  [<ffffffffa008e306>] ? hsw_write32+0x20/0x9b [i915]
>[  787.927427]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  787.927435]  [<ffffffffa008e306>] ? hsw_write32+0x20/0x9b [i915]
>[  787.927445]  [<ffffffffa00ae479>] ? intel_ddi_post_disable+0x99/0xff [i915]
>[  787.927454]  [<ffffffffa009cc9a>] ? haswell_crtc_disable+0x125/0x2ae [i915]
>[  787.927463]  [<ffffffffa009d3e1>] ? intel_crtc_update_dpms+0x53/0x62 [i915]
>[  787.927472]  [<ffffffffa00a173a>] ? intel_connector_dpms+0x3f/0x4a [i915]
>[  787.927476]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  787.927479]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  787.927481]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  787.927483]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  787.927485]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  787.927486]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  787.927489]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  787.927491]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  787.927493]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  787.927495]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  787.927496]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  787.927498]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  787.927501]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  787.927504]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.927506]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  787.927509]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.927510] ---[ end trace eed8878e71934ce5 ]---
>[  787.927512] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed register before writing to 64040
>[  787.927513] [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 64040
>[  787.927515] ------------[ cut here ]------------
>[  787.927523] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[  787.927524] Device suspended
>[  787.927533] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  787.927535] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  787.927536] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  787.927537] Workqueue: events console_callback
>[  787.927539]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3bae8
>[  787.927540]  ffffffff81035052 ffff880159b3bae0 ffffffffa008de15 0000000000000000
>[  787.927542]  ffff880002d14000 0000000000064000 ffff880002d14070 0000000000064000
>[  787.927542] Call Trace:
>[  787.927544]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  787.927546]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  787.927554]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.927556]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  787.927564]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.927574]  [<ffffffffa00ae1fb>] ? intel_wait_ddi_buf_idle+0x3a/0x6b [i915]
>[  787.927583]  [<ffffffffa00ae488>] ? intel_ddi_post_disable+0xa8/0xff [i915]
>[  787.927592]  [<ffffffffa009cc9a>] ? haswell_crtc_disable+0x125/0x2ae [i915]
>[  787.927601]  [<ffffffffa009d3e1>] ? intel_crtc_update_dpms+0x53/0x62 [i915]
>[  787.927610]  [<ffffffffa00a173a>] ? intel_connector_dpms+0x3f/0x4a [i915]
>[  787.927613]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  787.927616]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  787.927619]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  787.927620]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  787.927622]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  787.927624]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  787.927627]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  787.927629]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  787.927631]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  787.927632]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  787.927634]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  787.927636]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  787.927639]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  787.927642]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.927644]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  787.927647]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.927648] ---[ end trace eed8878e71934ce6 ]---
>[  787.927650] ------------[ cut here ]------------
>[  787.927658] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[  787.927659] Device suspended
>[  787.927668] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  787.927670] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  787.927671] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  787.927672] Workqueue: events console_callback
>[  787.927674]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3b918
>[  787.927675]  ffffffff81035052 6536000000000000 ffffffffa008de15 ffff656564383837
>[  787.927677]  ffff880002d14000 00000000000c7204 ffff880002d14070 ffff880159b3bb20
>[  787.927677] Call Trace:
>[  787.927679]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  787.927681]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  787.927689]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.927690]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  787.927694]  [<ffffffff81056154>] ? local_clock+0x6/0x1e
>[  787.927702]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.927710]  [<ffffffffa008ddfe>] ? gen6_read64+0x82/0x82 [i915]
>[  787.927720]  [<ffffffffa00b1df0>] ? edp_have_panel_vdd+0x26/0x30 [i915]
>[  787.927730]  [<ffffffffa00b25a6>] ? _edp_panel_vdd_on+0x3d/0x164 [i915]
>[  787.927739]  [<ffffffffa00b2b08>] ? intel_dp_aux_ch+0x3f/0x5ab [i915]
>[  787.927742]  [<ffffffff81713af0>] ? printk+0x4f/0x54
>[  787.927751]  [<ffffffffa00b3156>] ? intel_dp_aux_transfer+0xe2/0x10f [i915]
>[  787.927755]  [<ffffffffa0046c85>] ? drm_dp_dpcd_access+0x4b/0xb2 [drm_kms_helper]
>[  787.927759]  [<ffffffffa0046cff>] ? drm_dp_dpcd_write+0x13/0x17 [drm_kms_helper]
>[  787.927768]  [<ffffffffa00b3d59>] ? intel_dp_sink_dpms+0x35/0x92 [i915]
>[  787.927778]  [<ffffffffa00ae4a6>] ? intel_ddi_post_disable+0xc6/0xff [i915]
>[  787.927787]  [<ffffffffa009cc9a>] ? haswell_crtc_disable+0x125/0x2ae [i915]
>[  787.927796]  [<ffffffffa009d3e1>] ? intel_crtc_update_dpms+0x53/0x62 [i915]
>[  787.927806]  [<ffffffffa00a173a>] ? intel_connector_dpms+0x3f/0x4a [i915]
>[  787.927809]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  787.927812]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  787.927815]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  787.927816]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  787.927818]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  787.927820]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  787.927823]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  787.927825]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  787.927827]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  787.927828]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  787.927830]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  787.927832]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  787.927835]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  787.927838]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.927841]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  787.927843]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.927844] ---[ end trace eed8878e71934ce7 ]---
>[  787.927869] ------------[ cut here ]------------
>[  787.927880] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[  787.927881] Device suspended
>[  787.927897] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  787.927899] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  787.927900] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  787.927902] Workqueue: events console_callback
>[  787.927905]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3b968
>[  787.927907]  ffffffff81035052 0000000000000000 ffffffffa008de15 0000000000000001
>[  787.927910]  ffff880002d14000 00000000000c7200 ffff880002d14070 ffff880159b3bb20
>[  787.927910] Call Trace:
>[  787.927913]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  787.927915]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  787.927926]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.927929]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  787.927940]  [<ffffffffa008de15>] ? gen6_read32+0x17/0x81 [i915]
>[  787.927950]  [<ffffffffa008ddfe>] ? gen6_read64+0x82/0x82 [i915]
>[  787.927962]  [<ffffffffa00b2194>] ? edp_have_panel_power+0x26/0x2d [i915]
>[  787.927974]  [<ffffffffa00b2b3f>] ? intel_dp_aux_ch+0x76/0x5ab [i915]
>[  787.927978]  [<ffffffff81713af0>] ? printk+0x4f/0x54
>[  787.927990]  [<ffffffffa00b3156>] ? intel_dp_aux_transfer+0xe2/0x10f [i915]
>[  787.927995]  [<ffffffffa0046c85>] ? drm_dp_dpcd_access+0x4b/0xb2 [drm_kms_helper]
>[  787.927999]  [<ffffffffa0046cff>] ? drm_dp_dpcd_write+0x13/0x17 [drm_kms_helper]
>[  787.928010]  [<ffffffffa00b3d59>] ? intel_dp_sink_dpms+0x35/0x92 [i915]
>[  787.928023]  [<ffffffffa00ae4a6>] ? intel_ddi_post_disable+0xc6/0xff [i915]
>[  787.928035]  [<ffffffffa009cc9a>] ? haswell_crtc_disable+0x125/0x2ae [i915]
>[  787.928047]  [<ffffffffa009d3e1>] ? intel_crtc_update_dpms+0x53/0x62 [i915]
>[  787.928059]  [<ffffffffa00a173a>] ? intel_connector_dpms+0x3f/0x4a [i915]
>[  787.928063]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  787.928067]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  787.928070]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  787.928073]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  787.928076]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  787.928078]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  787.928082]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  787.928084]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  787.928087]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  787.928089]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  787.928092]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  787.928095]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  787.928098]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  787.928102]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.928105]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  787.928109]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.928110] ---[ end trace eed8878e71934ce8 ]---
>[  787.938262] [drm:i915_runtime_resume], Resuming device
>[  787.940229] [drm:hsw_disable_pc8], Disabling package C8+
>[  787.976245] [drm:i915_runtime_resume], Device resumed
>[  787.976256] [drm:i915_runtime_suspend], Suspending device
>[  787.976258] [drm:hsw_enable_pc8], Enabling package C8+
>[  787.982252] ------------[ cut here ]------------
>[  787.982269] WARNING: CPU: 1 PID: 3645 at drivers/gpu/drm/i915/intel_display.c:6882 hsw_enable_pc8+0xcf/0x626 [i915]()
>[  787.982270] CRTC for pipe A enabled
>[  787.982286] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  787.982289] CPU: 1 PID: 3645 Comm: kworker/1:0 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  787.982290] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  787.982294] Workqueue: pm pm_runtime_work
>[  787.982297]  0000000000000000 0000000000000009 ffffffff81716de3 ffff88015638bc88
>[  787.982300]  ffffffff81035052 ffffc900109c4024 ffffffffa009ebcf 0000000000000000
>[  787.982302]  ffff880002d14000 ffff880155469000 ffff880155b35300 ffff880159e29098
>[  787.982303] Call Trace:
>[  787.982307]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  787.982310]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  787.982322]  [<ffffffffa009ebcf>] ? hsw_enable_pc8+0xcf/0x626 [i915]
>[  787.982325]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  787.982337]  [<ffffffffa009ebcf>] ? hsw_enable_pc8+0xcf/0x626 [i915]
>[  787.982346]  [<ffffffffa00600f3>] ? i915_runtime_suspend+0x62/0xb1 [i915]
>[  787.982350]  [<ffffffff812f8728>] ? pci_pm_runtime_suspend+0x60/0x119
>[  787.982353]  [<ffffffff81383e2e>] ? __rpm_callback+0x28/0x4c
>[  787.982355]  [<ffffffff81383e9d>] ? rpm_callback+0x4b/0x69
>[  787.982358]  [<ffffffff81384449>] ? rpm_suspend+0x2a9/0x3f9
>[  787.982361]  [<ffffffff8105ed7f>] ? __wake_up+0x35/0x46
>[  787.982364]  [<ffffffff8103c75e>] ? internal_add_timer+0xd/0x28
>[  787.982367]  [<ffffffff813850d6>] ? pm_runtime_work+0x52/0x7b
>[  787.982370]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  787.982372]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  787.982375]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  787.982379]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  787.982383]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.982386]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  787.982390]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.982391] ---[ end trace eed8878e71934ce9 ]---
>[  787.982392] ------------[ cut here ]------------
>[  787.982404] WARNING: CPU: 1 PID: 3645 at drivers/gpu/drm/i915/intel_display.c:6884 hsw_enable_pc8+0x111/0x626 [i915]()
>[  787.982404] Power well on
>[  787.982420] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  787.982423] CPU: 1 PID: 3645 Comm: kworker/1:0 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  787.982424] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  787.982426] Workqueue: pm pm_runtime_work
>[  787.982428]  0000000000000000 0000000000000009 ffffffff81716de3 ffff88015638bc88
>[  787.982431]  ffffffff81035052 ffffc900109c4024 ffffffffa009ec11 0000000000000000
>[  787.982433]  ffff880002d14000 ffff880155b352f8 ffff880155b35300 ffff880159e29098
>[  787.982434] Call Trace:
>[  787.982437]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  787.982439]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  787.982450]  [<ffffffffa009ec11>] ? hsw_enable_pc8+0x111/0x626 [i915]
>[  787.982453]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  787.982466]  [<ffffffffa008de74>] ? gen6_read32+0x76/0x81 [i915]
>[  787.982477]  [<ffffffffa009ec11>] ? hsw_enable_pc8+0x111/0x626 [i915]
>[  787.982486]  [<ffffffffa00600f3>] ? i915_runtime_suspend+0x62/0xb1 [i915]
>[  787.982490]  [<ffffffff812f8728>] ? pci_pm_runtime_suspend+0x60/0x119
>[  787.982492]  [<ffffffff81383e2e>] ? __rpm_callback+0x28/0x4c
>[  787.982495]  [<ffffffff81383e9d>] ? rpm_callback+0x4b/0x69
>[  787.982497]  [<ffffffff81384449>] ? rpm_suspend+0x2a9/0x3f9
>[  787.982500]  [<ffffffff8105ed7f>] ? __wake_up+0x35/0x46
>[  787.982502]  [<ffffffff8103c75e>] ? internal_add_timer+0xd/0x28
>[  787.982504]  [<ffffffff813850d6>] ? pm_runtime_work+0x52/0x7b
>[  787.982507]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  787.982510]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  787.982513]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  787.982516]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  787.982520]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.982523]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  787.982527]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.982528] ---[ end trace eed8878e71934cea ]---
>[  787.982530] ------------[ cut here ]------------
>[  787.982541] WARNING: CPU: 1 PID: 3645 at drivers/gpu/drm/i915/intel_display.c:6888 hsw_enable_pc8+0x1ab/0x626 [i915]()
>[  787.982541] Panel power on
>[  787.982557] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  787.982559] CPU: 1 PID: 3645 Comm: kworker/1:0 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  787.982560] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  787.982562] Workqueue: pm pm_runtime_work
>[  787.982565]  0000000000000000 0000000000000009 ffffffff81716de3 ffff88015638bc88
>[  787.982567]  ffffffff81035052 ffffc900109c4024 ffffffffa009ecab 0000000000000000
>[  787.982570]  ffff880002d14000 ffff880155b352f8 ffff880155b35300 ffff880159e29098
>[  787.982570] Call Trace:
>[  787.982573]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  787.982575]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  787.982586]  [<ffffffffa009ecab>] ? hsw_enable_pc8+0x1ab/0x626 [i915]
>[  787.982589]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  787.982601]  [<ffffffffa008de74>] ? gen6_read32+0x76/0x81 [i915]
>[  787.982612]  [<ffffffffa009ecab>] ? hsw_enable_pc8+0x1ab/0x626 [i915]
>[  787.982621]  [<ffffffffa00600f3>] ? i915_runtime_suspend+0x62/0xb1 [i915]
>[  787.982624]  [<ffffffff812f8728>] ? pci_pm_runtime_suspend+0x60/0x119
>[  787.982626]  [<ffffffff81383e2e>] ? __rpm_callback+0x28/0x4c
>[  787.982628]  [<ffffffff81383e9d>] ? rpm_callback+0x4b/0x69
>[  787.982631]  [<ffffffff81384449>] ? rpm_suspend+0x2a9/0x3f9
>[  787.982633]  [<ffffffff8105ed7f>] ? __wake_up+0x35/0x46
>[  787.982636]  [<ffffffff8103c75e>] ? internal_add_timer+0xd/0x28
>[  787.982638]  [<ffffffff813850d6>] ? pm_runtime_work+0x52/0x7b
>[  787.982641]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  787.982644]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  787.982646]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  787.982650]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  787.982654]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.982657]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  787.982660]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.982662] ---[ end trace eed8878e71934ceb ]---
>[  787.982663] ------------[ cut here ]------------
>[  787.982673] WARNING: CPU: 1 PID: 3645 at drivers/gpu/drm/i915/intel_display.c:6890 hsw_enable_pc8+0x1dc/0x626 [i915]()
>[  787.982674] CPU PWM1 enabled
>[  787.982690] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  787.982692] CPU: 1 PID: 3645 Comm: kworker/1:0 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  787.982693] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  787.982696] Workqueue: pm pm_runtime_work
>[  787.982698]  0000000000000000 0000000000000009 ffffffff81716de3 ffff88015638bc88
>[  787.982700]  ffffffff81035052 ffffc900109c4024 ffffffffa009ecdc 0000000000000000
>[  787.982703]  ffff880002d14000 ffff880155b352f8 ffff880155b35300 ffff880159e29098
>[  787.982703] Call Trace:
>[  787.982706]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  787.982709]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  787.982719]  [<ffffffffa009ecdc>] ? hsw_enable_pc8+0x1dc/0x626 [i915]
>[  787.982722]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  787.982733]  [<ffffffffa008de74>] ? gen6_read32+0x76/0x81 [i915]
>[  787.982744]  [<ffffffffa009ecdc>] ? hsw_enable_pc8+0x1dc/0x626 [i915]
>[  787.982753]  [<ffffffffa00600f3>] ? i915_runtime_suspend+0x62/0xb1 [i915]
>[  787.982756]  [<ffffffff812f8728>] ? pci_pm_runtime_suspend+0x60/0x119
>[  787.982758]  [<ffffffff81383e2e>] ? __rpm_callback+0x28/0x4c
>[  787.982760]  [<ffffffff81383e9d>] ? rpm_callback+0x4b/0x69
>[  787.982763]  [<ffffffff81384449>] ? rpm_suspend+0x2a9/0x3f9
>[  787.982765]  [<ffffffff8105ed7f>] ? __wake_up+0x35/0x46
>[  787.982768]  [<ffffffff8103c75e>] ? internal_add_timer+0xd/0x28
>[  787.982770]  [<ffffffff813850d6>] ? pm_runtime_work+0x52/0x7b
>[  787.982773]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  787.982776]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  787.982778]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  787.982782]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  787.982786]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.982789]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  787.982792]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.982793] ---[ end trace eed8878e71934cec ]---
>[  787.982795] ------------[ cut here ]------------
>[  787.982806] WARNING: CPU: 1 PID: 3645 at drivers/gpu/drm/i915/intel_display.c:6894 hsw_enable_pc8+0x23e/0x626 [i915]()
>[  787.982807] PCH PWM1 enabled
>[  787.982822] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  787.982825] CPU: 1 PID: 3645 Comm: kworker/1:0 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  787.982826] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  787.982828] Workqueue: pm pm_runtime_work
>[  787.982830]  0000000000000000 0000000000000009 ffffffff81716de3 ffff88015638bc88
>[  787.982833]  ffffffff81035052 ffffc900109c4024 ffffffffa009ed3e 0000000000000000
>[  787.982835]  ffff880002d14000 ffff880155b352f8 ffff880155b35300 ffff880159e29098
>[  787.982835] Call Trace:
>[  787.982838]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  787.982841]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  787.982851]  [<ffffffffa009ed3e>] ? hsw_enable_pc8+0x23e/0x626 [i915]
>[  787.982854]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  787.982865]  [<ffffffffa008de74>] ? gen6_read32+0x76/0x81 [i915]
>[  787.982876]  [<ffffffffa009ed3e>] ? hsw_enable_pc8+0x23e/0x626 [i915]
>[  787.982885]  [<ffffffffa00600f3>] ? i915_runtime_suspend+0x62/0xb1 [i915]
>[  787.982888]  [<ffffffff812f8728>] ? pci_pm_runtime_suspend+0x60/0x119
>[  787.982890]  [<ffffffff81383e2e>] ? __rpm_callback+0x28/0x4c
>[  787.982893]  [<ffffffff81383e9d>] ? rpm_callback+0x4b/0x69
>[  787.982895]  [<ffffffff81384449>] ? rpm_suspend+0x2a9/0x3f9
>[  787.982897]  [<ffffffff8105ed7f>] ? __wake_up+0x35/0x46
>[  787.982900]  [<ffffffff8103c75e>] ? internal_add_timer+0xd/0x28
>[  787.982902]  [<ffffffff813850d6>] ? pm_runtime_work+0x52/0x7b
>[  787.982905]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  787.982908]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  787.982910]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  787.982914]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  787.982918]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.982921]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  787.982924]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  787.982926] ---[ end trace eed8878e71934ced ]---
>[  787.986271] [drm:i915_runtime_suspend], Device suspended
>[  788.008311] [drm:i915_runtime_resume], Resuming device
>[  788.010282] [drm:hsw_disable_pc8], Disabling package C8+
>[  788.044306] [drm:i915_runtime_resume], Device resumed
>[  788.044309] [drm:_edp_panel_vdd_on], Turning eDP VDD on
>[  788.044316] [drm:_edp_panel_vdd_on], PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd000f
>[  788.044318] [drm:intel_edp_panel_off], Turn eDP power off
>[  788.044322] [drm:wait_panel_off], Wait for panel power off time
>[  788.044325] [drm:wait_panel_status], mask b0000000 value 00000000 status 80000008 control abcd0000
>[  788.099319] [drm:wait_panel_status], Wait complete
>[  788.099329] [drm:intel_update_fbc], no output, disabling
>[  788.099334] [drm:intel_connector_check_state], [CONNECTOR:10:eDP-1]
>[  788.099335] ------------[ cut here ]------------
>[  788.099351] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_display.c:4643 intel_modeset_check_state+0x88/0x60a [i915]()
>[  788.099352] wrong connector dpms state
>[  788.099364] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  788.099366] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  788.099367] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  788.099370] Workqueue: events console_callback
>[  788.099372]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3bb88
>[  788.099374]  ffffffff81035052 ffffffffa00cef50 ffffffffa00a027d 000000000000000a
>[  788.099376]  ffff880155550c00 ffff880155b35000 ffff88008c54f000 ffff880155b352a0
>[  788.099376] Call Trace:
>[  788.099380]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  788.099382]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  788.099394]  [<ffffffffa00a027d>] ? intel_modeset_check_state+0x88/0x60a [i915]
>[  788.099396]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  788.099406]  [<ffffffffa00a027d>] ? intel_modeset_check_state+0x88/0x60a [i915]
>[  788.099410]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  788.099413]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  788.099416]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  788.099418]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  788.099420]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  788.099422]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  788.099426]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  788.099427]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  788.099430]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  788.099432]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  788.099434]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  788.099436]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  788.099439]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  788.099442]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  788.099445]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  788.099448]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  788.099449] ---[ end trace eed8878e71934cee ]---
>[  788.099450] ------------[ cut here ]------------
>[  788.099459] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_display.c:4647 intel_modeset_check_state+0xcd/0x60a [i915]()
>[  788.099460] encoder->connectors_active not set
>[  788.099470] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  788.099472] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  788.099473] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  788.099475] Workqueue: events console_callback
>[  788.099476]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3bb88
>[  788.099478]  ffffffff81035052 ffffffffa00cef50 ffffffffa00a02c2 000000000000000a
>[  788.099479]  ffff880155550c00 ffff880155b35000 ffff88008c54f000 ffff880155b352a0
>[  788.099480] Call Trace:
>[  788.099482]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  788.099484]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  788.099493]  [<ffffffffa00a02c2>] ? intel_modeset_check_state+0xcd/0x60a [i915]
>[  788.099494]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  788.099503]  [<ffffffffa00a02c2>] ? intel_modeset_check_state+0xcd/0x60a [i915]
>[  788.099507]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  788.099510]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  788.099513]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  788.099514]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  788.099516]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  788.099518]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  788.099521]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  788.099523]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  788.099525]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  788.099527]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  788.099528]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  788.099530]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  788.099533]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  788.099536]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  788.099539]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  788.099541]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  788.099542] ---[ end trace eed8878e71934cef ]---
>[  788.099544] ------------[ cut here ]------------
>[  788.099552] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_display.c:4657 intel_modeset_check_state+0x159/0x60a [i915]()
>[  788.099552] crtc not active
>[  788.099562] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  788.099564] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  788.099565] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  788.099566] Workqueue: events console_callback
>[  788.099568]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3bb88
>[  788.099570]  ffffffff81035052 ffffffffa00cef50 ffffffffa00a034e 000000000000000a
>[  788.099571]  ffff880155550c00 ffff880155b35000 ffff880155469000 ffff880155b352a0
>[  788.099572] Call Trace:
>[  788.099574]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  788.099576]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  788.099584]  [<ffffffffa00a034e>] ? intel_modeset_check_state+0x159/0x60a [i915]
>[  788.099586]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  788.099597]  [<ffffffffa00aeb27>] ? intel_ddi_get_hw_state+0x7c/0x13b [i915]
>[  788.099606]  [<ffffffffa00a034e>] ? intel_modeset_check_state+0x159/0x60a [i915]
>[  788.099610]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  788.099613]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  788.099615]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  788.099617]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  788.099619]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  788.099621]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  788.099624]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  788.099625]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  788.099627]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  788.099629]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  788.099631]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  788.099633]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  788.099635]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  788.099638]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  788.099641]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  788.099644]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  788.099644] ---[ end trace eed8878e71934cf0 ]---
>[  788.099647] [drm:check_encoder_state], [ENCODER:9:TMDS-9]
>[  788.099648] ------------[ cut here ]------------
>[  788.099657] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_display.c:9738 intel_modeset_check_state+0x310/0x60a [i915]()
>[  788.099657] encoder's hw state doesn't match sw tracking (expected 0, found 1)
>[  788.099667] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  788.099669] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  788.099670] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  788.099671] Workqueue: events console_callback
>[  788.099673]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3bb88
>[  788.099674]  ffffffff81035052 ffffffffa00cef70 ffffffffa00a0505 0000000000000009
>[  788.099676]  ffff88008c54f000 ffff880155b35000 0000000000000001 ffff880155b352a0
>[  788.099676] Call Trace:
>[  788.099678]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  788.099680]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  788.099689]  [<ffffffffa00a0505>] ? intel_modeset_check_state+0x310/0x60a [i915]
>[  788.099690]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  788.099700]  [<ffffffffa00aeb27>] ? intel_ddi_get_hw_state+0x7c/0x13b [i915]
>[  788.099709]  [<ffffffffa00a0505>] ? intel_modeset_check_state+0x310/0x60a [i915]
>[  788.099713]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  788.099716]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  788.099718]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  788.099720]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  788.099722]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  788.099724]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  788.099727]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  788.099728]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  788.099730]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  788.099732]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  788.099734]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  788.099736]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  788.099738]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  788.099741]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  788.099744]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  788.099747]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  788.099747] ---[ end trace eed8878e71934cf1 ]---
>[  788.099749] [drm:check_encoder_state], [ENCODER:17:TMDS-17]
>[  788.099751] [drm:check_crtc_state], [CRTC:3]
>[  788.099757] ------------[ cut here ]------------
>[  788.099769] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_ddi.c:709 check_crtc_state+0x16e/0x83a [i915]()
>[  788.099769] bad port clock sel
>[  788.099779] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  788.099780] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  788.099781] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  788.099783] Workqueue: events console_callback
>[  788.099784]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3b8c8
>[  788.099786]  ffffffff81035052 0000000000000246 ffffffffa00949ed 0000000000000000
>[  788.099787]  ffff880155469000 ffff880155b35000 ffff880159b3b958 0000000000000001
>[  788.099788] Call Trace:
>[  788.099790]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  788.099792]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  788.099801]  [<ffffffffa00949ed>] ? check_crtc_state+0x16e/0x83a [i915]
>[  788.099803]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  788.099814]  [<ffffffffa00ae9a1>] ? intel_ddi_get_config+0x14f/0x259 [i915]
>[  788.099823]  [<ffffffffa00949ed>] ? check_crtc_state+0x16e/0x83a [i915]
>[  788.099826]  [<ffffffff812da481>] ? vsnprintf+0x70/0x419
>[  788.099837]  [<ffffffffa00a054e>] ? intel_modeset_check_state+0x359/0x60a [i915]
>[  788.099840]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  788.099843]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  788.099846]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  788.099847]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  788.099849]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  788.099851]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  788.099854]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  788.099856]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  788.099858]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  788.099859]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  788.099861]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  788.099863]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  788.099866]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  788.099869]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  788.099871]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  788.099874]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  788.099875] ---[ end trace eed8878e71934cf2 ]---
>[  788.099876] ------------[ cut here ]------------
>[  788.099885] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_display.c:9807 check_crtc_state+0x1ab/0x83a [i915]()
>[  788.099885] crtc active state doesn't match with hw state (expected 0, found 1)
>[  788.099895] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  788.099897] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  788.099897] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  788.099899] Workqueue: events console_callback
>[  788.099901]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3b8c8
>[  788.099902]  ffffffff81035052 0000000000000246 ffffffffa0094a2a 0000000000000000
>[  788.099904]  ffff880155469000 ffff880155b35000 ffff880159b3b958 0000000000000001
>[  788.099904] Call Trace:
>[  788.099906]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  788.099908]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  788.099916]  [<ffffffffa0094a2a>] ? check_crtc_state+0x1ab/0x83a [i915]
>[  788.099918]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  788.099928]  [<ffffffffa00ae9a1>] ? intel_ddi_get_config+0x14f/0x259 [i915]
>[  788.099937]  [<ffffffffa0094a2a>] ? check_crtc_state+0x1ab/0x83a [i915]
>[  788.099939]  [<ffffffff812da481>] ? vsnprintf+0x70/0x419
>[  788.099949]  [<ffffffffa00a054e>] ? intel_modeset_check_state+0x359/0x60a [i915]
>[  788.099953]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  788.099956]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  788.099958]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  788.099960]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  788.099962]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  788.099964]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  788.099967]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  788.099968]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  788.099970]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  788.099972]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  788.099974]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  788.099976]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  788.099978]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  788.099981]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  788.099984]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  788.099987]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  788.099987] ---[ end trace eed8878e71934cf3 ]---
>[  788.099990] [drm:intel_pipe_config_compare] *ERROR* mismatch in adjusted_mode.crtc_clock (expected 75600, found 0)
>[  788.099990] ------------[ cut here ]------------
>[  788.099999] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_display.c:9811 check_crtc_state+0x7f3/0x83a [i915]()
>[  788.099999] pipe state doesn't match!
>[  788.100009] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  788.100011] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  788.100011] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  788.100013] Workqueue: events console_callback
>[  788.100014]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3b8c8
>[  788.100016]  ffffffff81035052 ffff880159b3b8c0 ffffffffa0095072 0000000000000000
>[  788.100017]  ffff880155469000 ffff880155b35000 ffff880159b3b958 ffff8801554696d8
>[  788.100018] Call Trace:
>[  788.100020]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  788.100021]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  788.100030]  [<ffffffffa0095072>] ? check_crtc_state+0x7f3/0x83a [i915]
>[  788.100032]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  788.100042]  [<ffffffffa00ae9a1>] ? intel_ddi_get_config+0x14f/0x259 [i915]
>[  788.100050]  [<ffffffffa0095072>] ? check_crtc_state+0x7f3/0x83a [i915]
>[  788.100061]  [<ffffffffa00a054e>] ? intel_modeset_check_state+0x359/0x60a [i915]
>[  788.100064]  [<ffffffffa0048cc5>] ? drm_fb_helper_dpms.isra.9+0x80/0xcd [drm_kms_helper]
>[  788.100067]  [<ffffffffa0048d44>] ? drm_fb_helper_blank+0x32/0x3a [drm_kms_helper]
>[  788.100070]  [<ffffffff81307c6b>] ? fb_blank+0x51/0x84
>[  788.100071]  [<ffffffff8131241e>] ? fbcon_blank+0x119/0x230
>[  788.100073]  [<ffffffff8103cd2e>] ? lock_timer_base.isra.28+0x22/0x46
>[  788.100075]  [<ffffffff8103d07a>] ? try_to_del_timer_sync+0x46/0x51
>[  788.100078]  [<ffffffff8135f159>] ? do_blank_screen+0x184/0x24f
>[  788.100080]  [<ffffffff81361884>] ? console_callback+0xc6/0xed
>[  788.100081]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  788.100083]  [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
>[  788.100085]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  788.100087]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  788.100090]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  788.100092]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  788.100095]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  788.100098]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  788.100098] ---[ end trace eed8878e71934cf4 ]---
>[  788.100100] [drm:intel_dump_pipe_config], [CRTC:3][hw state] config for pipe A
>[  788.100101] [drm:intel_dump_pipe_config], cpu_transcoder: D
>[  788.100102] [drm:intel_dump_pipe_config], pipe bpp: 18, dithering: 0
>[  788.100104] [drm:intel_dump_pipe_config], fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[  788.100106] [drm:intel_dump_pipe_config], dp: 1, gmch_m: 2642411, gmch_n: 4194304, link_m: 146800, link_n: 524288, tu: 64
>[  788.100107] [drm:intel_dump_pipe_config], requested mode:
>[  788.100110] [drm:drm_mode_debug_printmodeline], Modeline 0:"" 0 0 1366 0 0 0 768 0 0 0 0x0 0x0
>[  788.100110] [drm:intel_dump_pipe_config], adjusted mode:
>[  788.100112] [drm:drm_mode_debug_printmodeline], Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0xa
>[  788.100115] [drm:intel_dump_crtc_timings], crtc timings: 0 1366 1404 1426 1592 768 771 777 790, type: 0x0 flags: 0xa
>[  788.100116] [drm:intel_dump_pipe_config], port clock: 0
>[  788.100117] [drm:intel_dump_pipe_config], pipe src size: 1366x768
>[  788.100118] [drm:intel_dump_pipe_config], gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[  788.100119] [drm:intel_dump_pipe_config], pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  788.100120] [drm:intel_dump_pipe_config], ips: 1
>[  788.100121] [drm:intel_dump_pipe_config], double wide: 0
>[  788.100122] [drm:intel_dump_pipe_config], [CRTC:3][sw state] config for pipe A
>[  788.100123] [drm:intel_dump_pipe_config], cpu_transcoder: D
>[  788.100124] [drm:intel_dump_pipe_config], pipe bpp: 18, dithering: 1
>[  788.100126] [drm:intel_dump_pipe_config], fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[  788.100128] [drm:intel_dump_pipe_config], dp: 1, gmch_m: 2642411, gmch_n: 4194304, link_m: 146800, link_n: 524288, tu: 64
>[  788.100128] [drm:intel_dump_pipe_config], requested mode:
>[  788.100131] [drm:drm_mode_debug_printmodeline], Modeline 0:"1366x768" 60 75600 1366 1404 1426 1592 768 771 777 790 0x48 0xa
>[  788.100132] [drm:intel_dump_pipe_config], adjusted mode:
>[  788.100134] [drm:drm_mode_debug_printmodeline], Modeline 0:"1366x768" 60 75600 1366 1404 1426 1592 768 771 777 790 0x48 0xa
>[  788.100136] [drm:intel_dump_crtc_timings], crtc timings: 75600 1366 1404 1426 1592 768 771 777 790, type: 0x48 flags: 0xa
>[  788.100137] [drm:intel_dump_pipe_config], port clock: 270000
>[  788.100138] [drm:intel_dump_pipe_config], pipe src size: 1366x768
>[  788.100139] [drm:intel_dump_pipe_config], gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[  788.100141] [drm:intel_dump_pipe_config], pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  788.100141] [drm:intel_dump_pipe_config], ips: 1
>[  788.100142] [drm:intel_dump_pipe_config], double wide: 0
>[  788.100143] [drm:check_crtc_state], [CRTC:5]
>[  788.100145] [drm:check_crtc_state], [CRTC:7]
>[  788.100150] [drm:intel_backlight_device_update_status], updating intel_backlight, brightness=765/851
>[  788.100260] [drm:asle_set_backlight], bclp = 0x800000ff
>[  788.100262] [drm:asle_set_backlight], updating opregion backlight 255/255
>[  790.326244] systemd-journald[2419]: Got invalid event from epoll.
>[  790.330432] systemd[1]: Unit systemd-journald.service entered failed state.
>[  790.332471] systemd[1]: systemd-journald.service holdoff time over, scheduling restart.
>[  790.334390] systemd[1]: Stopping Journal Service...
>[  790.335871] systemd[1]: Starting Journal Service...
>[  790.337727] systemd[1]: Started Journal Service.
>[  790.339241] systemd[1]: Starting Trigger Flushing of Journal to Persistent Storage...
>[  798.103546] [drm:i915_runtime_suspend], Suspending device
>[  798.103552] [drm:hsw_enable_pc8], Enabling package C8+
>[  798.109496] ------------[ cut here ]------------
>[  798.110910] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_display.c:6884 hsw_enable_pc8+0x111/0x626 [i915]()
>[  798.112379] Power well on
>[  798.113791] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  798.118375] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  798.119888] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  798.121363] Workqueue: pm pm_runtime_work
>[  798.122832]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3bc88
>[  798.124257]  ffffffff81035052 ffffc900109c4024 ffffffffa009ec11 0000000000000000
>[  798.125712]  ffff880002d14000 ffff880155b352f8 ffff880155b35300 ffff880159e29098
>[  798.127163] Call Trace:
>[  798.128526]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  798.129904]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  798.131294]  [<ffffffffa009ec11>] ? hsw_enable_pc8+0x111/0x626 [i915]
>[  798.132666]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  798.134097]  [<ffffffffa008de74>] ? gen6_read32+0x76/0x81 [i915]
>[  798.135476]  [<ffffffffa009ec11>] ? hsw_enable_pc8+0x111/0x626 [i915]
>[  798.136849]  [<ffffffffa00600f3>] ? i915_runtime_suspend+0x62/0xb1 [i915]
>[  798.138278]  [<ffffffff812f8728>] ? pci_pm_runtime_suspend+0x60/0x119
>[  798.139694]  [<ffffffff81383e2e>] ? __rpm_callback+0x28/0x4c
>[  798.141053]  [<ffffffff81383e9d>] ? rpm_callback+0x4b/0x69
>[  798.142413]  [<ffffffff81384449>] ? rpm_suspend+0x2a9/0x3f9
>[  798.143800]  [<ffffffff8103c75e>] ? internal_add_timer+0xd/0x28
>[  798.145137]  [<ffffffff8103cf3f>] ? mod_timer+0x125/0x13d
>[  798.146475]  [<ffffffff813850e9>] ? pm_runtime_work+0x65/0x7b
>[  798.147819]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  798.149166]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  798.150505]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  798.151893]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  798.153218]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  798.154598]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  798.155932]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  798.157316] ---[ end trace eed8878e71934cf5 ]---
>[  798.158713] ------------[ cut here ]------------
>[  798.160108] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_display.c:6890 hsw_enable_pc8+0x1dc/0x626 [i915]()
>[  798.161519] CPU PWM1 enabled
>[  798.162916] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  798.167569] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  798.169168] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  798.170832] Workqueue: pm pm_runtime_work
>[  798.172489]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3bc88
>[  798.174129]  ffffffff81035052 ffffc900109c4024 ffffffffa009ecdc 0000000000000000
>[  798.175780]  ffff880002d14000 ffff880155b352f8 ffff880155b35300 ffff880159e29098
>[  798.177430] Call Trace:
>[  798.179047]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  798.180652]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  798.182240]  [<ffffffffa009ecdc>] ? hsw_enable_pc8+0x1dc/0x626 [i915]
>[  798.183840]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  798.185324]  [<ffffffffa008de74>] ? gen6_read32+0x76/0x81 [i915]
>[  798.186817]  [<ffffffffa009ecdc>] ? hsw_enable_pc8+0x1dc/0x626 [i915]
>[  798.188559]  [<ffffffffa00600f3>] ? i915_runtime_suspend+0x62/0xb1 [i915]
>[  798.191068]  [<ffffffff812f8728>] ? pci_pm_runtime_suspend+0x60/0x119
>[  798.192514]  [<ffffffff81383e2e>] ? __rpm_callback+0x28/0x4c
>[  798.193921]  [<ffffffff81383e9d>] ? rpm_callback+0x4b/0x69
>[  798.195354]  [<ffffffff81384449>] ? rpm_suspend+0x2a9/0x3f9
>[  798.196751]  [<ffffffff8103c75e>] ? internal_add_timer+0xd/0x28
>[  798.198135]  [<ffffffff8103cf3f>] ? mod_timer+0x125/0x13d
>[  798.199441]  [<ffffffff813850e9>] ? pm_runtime_work+0x65/0x7b
>[  798.200817]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  798.202190]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  798.203598]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  798.204964]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  798.206322]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  798.207691]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  798.208981]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  798.210352] ---[ end trace eed8878e71934cf6 ]---
>[  798.211719] ------------[ cut here ]------------
>[  798.213109] WARNING: CPU: 1 PID: 718 at drivers/gpu/drm/i915/intel_display.c:6894 hsw_enable_pc8+0x23e/0x626 [i915]()
>[  798.214551] PCH PWM1 enabled
>[  798.215996] Modules linked in: dm_mod iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support pcspkr i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core snd_timer videodev snd soundcore wmi battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[  798.220659] CPU: 1 PID: 718 Comm: kworker/1:1 Tainted: G        W    3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
>[  798.222392] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS 7CCN15WW 07/24/2013
>[  798.224123] Workqueue: pm pm_runtime_work
>[  798.225788]  0000000000000000 0000000000000009 ffffffff81716de3 ffff880159b3bc88
>[  798.227483]  ffffffff81035052 ffffc900109c4024 ffffffffa009ed3e 0000000000000000
>[  798.229218]  ffff880002d14000 ffff880155b352f8 ffff880155b35300 ffff880159e29098
>[  798.230957] Call Trace:
>[  798.232635]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
>[  798.234339]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
>[  798.236023]  [<ffffffffa009ed3e>] ? hsw_enable_pc8+0x23e/0x626 [i915]
>[  798.237632]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
>[  798.239185]  [<ffffffffa008de74>] ? gen6_read32+0x76/0x81 [i915]
>[  798.240622]  [<ffffffffa009ed3e>] ? hsw_enable_pc8+0x23e/0x626 [i915]
>[  798.242142]  [<ffffffffa00600f3>] ? i915_runtime_suspend+0x62/0xb1 [i915]
>[  798.243514]  [<ffffffff812f8728>] ? pci_pm_runtime_suspend+0x60/0x119
>[  798.245017]  [<ffffffff81383e2e>] ? __rpm_callback+0x28/0x4c
>[  798.246443]  [<ffffffff81383e9d>] ? rpm_callback+0x4b/0x69
>[  798.247853]  [<ffffffff81384449>] ? rpm_suspend+0x2a9/0x3f9
>[  798.249249]  [<ffffffff8103c75e>] ? internal_add_timer+0xd/0x28
>[  798.250563]  [<ffffffff8103cf3f>] ? mod_timer+0x125/0x13d
>[  798.251937]  [<ffffffff813850e9>] ? pm_runtime_work+0x65/0x7b
>[  798.253308]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
>[  798.254681]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
>[  798.256050]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
>[  798.257423]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
>[  798.258780]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  798.260147]  [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
>[  798.261506]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
>[  798.262915] ---[ end trace eed8878e71934cf7 ]---
>[  798.267609] [drm:i915_runtime_suspend], Device suspended

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