Attachment 95768 Details for Bug 76151 – dmesg

dmesg

hswm31_blackscreen.dmesg (text/plain), 126.15 KB, created by Guo Jinxian on 2014-03-14 02:52:02 UTC

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Description:

Filename:

MIME Type:

Creator: Guo Jinxian

Created: 2014-03-14 02:52:02 UTC

Size: 126.15 KB

patch

obsolete

>[   76.954655]  ffff880146528000 00000000000c510c ffff880146528070 00000000000c510c
>[   76.954657] Call Trace:
>[   76.954659]  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.954662]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.954668]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.954670]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.954677]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.954683]  [<ffffffffa00b8073>] ? gmbus_xfer_read+0x76/0x9d [i915]
>[   76.954689]  [<ffffffffa00b83f6>] ? gmbus_xfer+0x14b/0x4a3 [i915]
>[   76.954692]  [<ffffffff8161b668>] ? __i2c_transfer+0x2d/0x55
>[   76.954695]  [<ffffffff8161bd81>] ? i2c_transfer+0x53/0x7a
>[   76.954699]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.954702]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.954707]  [<ffffffffa0012d97>] ? drm_get_edid+0x79/0x240 [drm]
>[   76.954713]  [<ffffffffa006736a>] ? intel_display_power_get+0x7f/0xb6 [i915]
>[   76.954719]  [<ffffffffa00b67c4>] ? intel_hdmi_detect+0x92/0x120 [i915]
>[   76.954726]  [<ffffffffa00828ad>] ? i915_hotplug_work_func+0x211/0x2b5 [i915]
>[   76.954728]  [<ffffffff8104487b>] ? process_one_work+0x1bc/0x2ed
>[   76.954730]  [<ffffffff810427f8>] ? pwq_activate_delayed_work+0x1e/0x28
>[   76.954742]  [<ffffffff81044de9>] ? worker_thread+0x1c7/0x2bc
>[   76.954750]  [<ffffffff81044c22>] ? rescuer_thread+0x251/0x251
>[   76.954758]  [<ffffffff81049882>] ? kthread+0xc5/0xcd
>[   76.954767]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.954776]  [<ffffffff8171be7c>] ? ret_from_fork+0x7c/0xb0
>[   76.954785]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.954789] ---[ end trace 104a57d4d9227aba ]---
>[   76.954800] ------------[ cut here ]------------
>[   76.954810] WARNING: CPU: 0 PID: 723 at drivers/gpu/drm/i915/intel_uncore.c:47 hsw_write32+0x20/0x9b [i915]()
>[   76.954814] Device suspended
>[   76.954818] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.954836] CPU: 0 PID: 723 Comm: kworker/0:1 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.954837] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.954843] Workqueue: events i915_hotplug_work_func [i915]
>[   76.954844]  0000000000000000 0000000000000009 ffffffff8171193b ffff88014ab49a58
>[   76.954846]  ffffffff810331ce ffff8801501fffc0 ffffffffa008c874 0000000000000009
>[   76.954848]  00000000000c5110 ffff880146528000 ffff88009e3f2c74 ffff880146528070
>[   76.954850] Call Trace:
>[   76.954852]  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.954855]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.954861]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.954863]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.954870]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.954876]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.954882]  [<ffffffffa00b7f3b>] ? gmbus_wait_hw_status+0x8d/0x14f [i915]
>[   76.954884]  [<ffffffff8105b31b>] ? __wake_up_sync+0x7/0x7
>[   76.954890]  [<ffffffffa00b805e>] ? gmbus_xfer_read+0x61/0x9d [i915]
>[   76.954897]  [<ffffffffa00b83f6>] ? gmbus_xfer+0x14b/0x4a3 [i915]
>[   76.954899]  [<ffffffff8161b668>] ? __i2c_transfer+0x2d/0x55
>[   76.954902]  [<ffffffff8161bd81>] ? i2c_transfer+0x53/0x7a
>[   76.954913]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.954923]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.954933]  [<ffffffffa0012d97>] ? drm_get_edid+0x79/0x240 [drm]
>[   76.954945]  [<ffffffffa006736a>] ? intel_display_power_get+0x7f/0xb6 [i915]
>[   76.954952]  [<ffffffffa00b67c4>] ? intel_hdmi_detect+0x92/0x120 [i915]
>[   76.954959]  [<ffffffffa00828ad>] ? i915_hotplug_work_func+0x211/0x2b5 [i915]
>[   76.954961]  [<ffffffff8104487b>] ? process_one_work+0x1bc/0x2ed
>[   76.954963]  [<ffffffff810427f8>] ? pwq_activate_delayed_work+0x1e/0x28
>[   76.954965]  [<ffffffff81044de9>] ? worker_thread+0x1c7/0x2bc
>[   76.954971]  [<ffffffff81044c22>] ? rescuer_thread+0x251/0x251
>[   76.954973]  [<ffffffff81049882>] ? kthread+0xc5/0xcd
>[   76.954978]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.954980]  [<ffffffff8171be7c>] ? ret_from_fork+0x7c/0xb0
>[   76.954983]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.954984] ---[ end trace 104a57d4d9227abb ]---
>[   76.954991] ------------[ cut here ]------------
>[   76.954997] WARNING: CPU: 0 PID: 723 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[   76.954998] Device suspended
>[   76.954999] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.955008] CPU: 0 PID: 723 Comm: kworker/0:1 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.955010] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.955015] Workqueue: events i915_hotplug_work_func [i915]
>[   76.955016]  0000000000000000 0000000000000009 ffffffff8171193b ffff88014ab49a78
>[   76.955018]  ffffffff810331ce ffff880146528000 ffffffffa008c39a 00000000000c5110
>[   76.955020]  ffff880146528000 00000000000c5108 ffff880146528070 0000000000000800
>[   76.955022] Call Trace:
>[   76.955024]  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.955027]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.955033]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.955035]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.955042]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.955048]  [<ffffffffa00b7f71>] ? gmbus_wait_hw_status+0xc3/0x14f [i915]
>[   76.955050]  [<ffffffff8105b31b>] ? __wake_up_sync+0x7/0x7
>[   76.955056]  [<ffffffffa00b805e>] ? gmbus_xfer_read+0x61/0x9d [i915]
>[   76.955063]  [<ffffffffa00b83f6>] ? gmbus_xfer+0x14b/0x4a3 [i915]
>[   76.955065]  [<ffffffff8161b668>] ? __i2c_transfer+0x2d/0x55
>[   76.955068]  [<ffffffff8161bd81>] ? i2c_transfer+0x53/0x7a
>[   76.955072]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.955076]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.955080]  [<ffffffffa0012d97>] ? drm_get_edid+0x79/0x240 [drm]
>[   76.955086]  [<ffffffffa006736a>] ? intel_display_power_get+0x7f/0xb6 [i915]
>[   76.955093]  [<ffffffffa00b67c4>] ? intel_hdmi_detect+0x92/0x120 [i915]
>[   76.955099]  [<ffffffffa00828ad>] ? i915_hotplug_work_func+0x211/0x2b5 [i915]
>[   76.955101]  [<ffffffff8104487b>] ? process_one_work+0x1bc/0x2ed
>[   76.955104]  [<ffffffff810427f8>] ? pwq_activate_delayed_work+0x1e/0x28
>[   76.955106]  [<ffffffff81044de9>] ? worker_thread+0x1c7/0x2bc
>[   76.955108]  [<ffffffff81044c22>] ? rescuer_thread+0x251/0x251
>[   76.955110]  [<ffffffff81049882>] ? kthread+0xc5/0xcd
>[   76.955113]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.955115]  [<ffffffff8171be7c>] ? ret_from_fork+0x7c/0xb0
>[   76.955117]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.955119] ---[ end trace 104a57d4d9227abc ]---
>[   76.955126] ------------[ cut here ]------------
>[   76.955132] WARNING: CPU: 0 PID: 723 at drivers/gpu/drm/i915/intel_uncore.c:47 hsw_write32+0x20/0x9b [i915]()
>[   76.955132] Device suspended
>[   76.955133] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.955143] CPU: 0 PID: 723 Comm: kworker/0:1 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.955144] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.955150] Workqueue: events i915_hotplug_work_func [i915]
>[   76.955151]  0000000000000000 0000000000000009 ffffffff8171193b ffff88014ab49a58
>[   76.955153]  ffffffff810331ce 0000000000000002 ffffffffa008c874 0000000000000000
>[   76.955154]  00000000000c5110 ffff880146528000 0000000000000000 ffff880146528070
>[   76.955156] Call Trace:
>[   76.955158]  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.955161]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.955167]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.955170]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.955176]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.955183]  [<ffffffffa00b7fd4>] ? gmbus_wait_hw_status+0x126/0x14f [i915]
>[   76.955185]  [<ffffffff8105b31b>] ? __wake_up_sync+0x7/0x7
>[   76.955191]  [<ffffffffa00b805e>] ? gmbus_xfer_read+0x61/0x9d [i915]
>[   76.955198]  [<ffffffffa00b83f6>] ? gmbus_xfer+0x14b/0x4a3 [i915]
>[   76.955200]  [<ffffffff8161b668>] ? __i2c_transfer+0x2d/0x55
>[   76.955203]  [<ffffffff8161bd81>] ? i2c_transfer+0x53/0x7a
>[   76.955207]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.955211]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.955215]  [<ffffffffa0012d97>] ? drm_get_edid+0x79/0x240 [drm]
>[   76.955221]  [<ffffffffa006736a>] ? intel_display_power_get+0x7f/0xb6 [i915]
>[   76.955227]  [<ffffffffa00b67c4>] ? intel_hdmi_detect+0x92/0x120 [i915]
>[   76.955234]  [<ffffffffa00828ad>] ? i915_hotplug_work_func+0x211/0x2b5 [i915]
>[   76.955236]  [<ffffffff8104487b>] ? process_one_work+0x1bc/0x2ed
>[   76.955239]  [<ffffffff810427f8>] ? pwq_activate_delayed_work+0x1e/0x28
>[   76.955241]  [<ffffffff81044de9>] ? worker_thread+0x1c7/0x2bc
>[   76.955243]  [<ffffffff81044c22>] ? rescuer_thread+0x251/0x251
>[   76.955245]  [<ffffffff81049882>] ? kthread+0xc5/0xcd
>[   76.955247]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.955250]  [<ffffffff8171be7c>] ? ret_from_fork+0x7c/0xb0
>[   76.955252]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.955253] ---[ end trace 104a57d4d9227abd ]---
>[   76.955261] ------------[ cut here ]------------
>[   76.955267] WARNING: CPU: 0 PID: 723 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[   76.955268] Device suspended
>[   76.955268] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.955278] CPU: 0 PID: 723 Comm: kworker/0:1 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.955279] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.955285] Workqueue: events i915_hotplug_work_func [i915]
>[   76.955286]  0000000000000000 0000000000000009 ffffffff8171193b ffff88014ab49af8
>[   76.955288]  ffffffff810331ce 0000000000000000 ffffffffa008c39a 0000000000000292
>[   76.955290]  ffff880146528000 00000000000c510c ffff880146528070 00000000000c510c
>[   76.955292] Call Trace:
>[   76.955294]  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.955296]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.955302]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.955305]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.955311]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.955318]  [<ffffffffa00b8073>] ? gmbus_xfer_read+0x76/0x9d [i915]
>[   76.955324]  [<ffffffffa00b83f6>] ? gmbus_xfer+0x14b/0x4a3 [i915]
>[   76.955327]  [<ffffffff8161b668>] ? __i2c_transfer+0x2d/0x55
>[   76.955329]  [<ffffffff8161bd81>] ? i2c_transfer+0x53/0x7a
>[   76.955333]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.955337]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.955341]  [<ffffffffa0012d97>] ? drm_get_edid+0x79/0x240 [drm]
>[   76.955347]  [<ffffffffa006736a>] ? intel_display_power_get+0x7f/0xb6 [i915]
>[   76.955363]  [<ffffffffa00b67c4>] ? intel_hdmi_detect+0x92/0x120 [i915]
>[   76.955369]  [<ffffffffa00828ad>] ? i915_hotplug_work_func+0x211/0x2b5 [i915]
>[   76.955372]  [<ffffffff8104487b>] ? process_one_work+0x1bc/0x2ed
>[   76.955381]  [<ffffffff810427f8>] ? pwq_activate_delayed_work+0x1e/0x28
>[   76.955383]  [<ffffffff81044de9>] ? worker_thread+0x1c7/0x2bc
>[   76.955384]  [<ffffffff81044c22>] ? rescuer_thread+0x251/0x251
>[   76.955387]  [<ffffffff81049882>] ? kthread+0xc5/0xcd
>[   76.955389]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.955392]  [<ffffffff8171be7c>] ? ret_from_fork+0x7c/0xb0
>[   76.955394]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.955396] ---[ end trace 104a57d4d9227abe ]---
>[   76.955403] ------------[ cut here ]------------
>[   76.955409] WARNING: CPU: 0 PID: 723 at drivers/gpu/drm/i915/intel_uncore.c:47 hsw_write32+0x20/0x9b [i915]()
>[   76.955410] Device suspended
>[   76.955411] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.955421] CPU: 0 PID: 723 Comm: kworker/0:1 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.955422] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.955427] Workqueue: events i915_hotplug_work_func [i915]
>[   76.955428]  0000000000000000 0000000000000009 ffffffff8171193b ffff88014ab49a58
>[   76.955430]  ffffffff810331ce ffff8801501fffc0 ffffffffa008c874 0000000000000009
>[   76.955432]  00000000000c5110 ffff880146528000 ffff88009e3f2c78 ffff880146528070
>[   76.955434] Call Trace:
>[   76.955436]  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.955439]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.955445]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.955448]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.955454]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.955460]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.955466]  [<ffffffffa00b7f3b>] ? gmbus_wait_hw_status+0x8d/0x14f [i915]
>[   76.955468]  [<ffffffff8105b31b>] ? __wake_up_sync+0x7/0x7
>[   76.955475]  [<ffffffffa00b805e>] ? gmbus_xfer_read+0x61/0x9d [i915]
>[   76.955481]  [<ffffffffa00b83f6>] ? gmbus_xfer+0x14b/0x4a3 [i915]
>[   76.955484]  [<ffffffff8161b668>] ? __i2c_transfer+0x2d/0x55
>[   76.955486]  [<ffffffff8161bd81>] ? i2c_transfer+0x53/0x7a
>[   76.955490]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.955494]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.955498]  [<ffffffffa0012d97>] ? drm_get_edid+0x79/0x240 [drm]
>[   76.955504]  [<ffffffffa006736a>] ? intel_display_power_get+0x7f/0xb6 [i915]
>[   76.955511]  [<ffffffffa00b67c4>] ? intel_hdmi_detect+0x92/0x120 [i915]
>[   76.955517]  [<ffffffffa00828ad>] ? i915_hotplug_work_func+0x211/0x2b5 [i915]
>[   76.955519]  [<ffffffff8104487b>] ? process_one_work+0x1bc/0x2ed
>[   76.955522]  [<ffffffff810427f8>] ? pwq_activate_delayed_work+0x1e/0x28
>[   76.955524]  [<ffffffff81044de9>] ? worker_thread+0x1c7/0x2bc
>[   76.955526]  [<ffffffff81044c22>] ? rescuer_thread+0x251/0x251
>[   76.955528]  [<ffffffff81049882>] ? kthread+0xc5/0xcd
>[   76.955531]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.955533]  [<ffffffff8171be7c>] ? ret_from_fork+0x7c/0xb0
>[   76.955535]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.955537] ---[ end trace 104a57d4d9227abf ]---
>[   76.955544] ------------[ cut here ]------------
>[   76.955550] WARNING: CPU: 0 PID: 723 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[   76.955551] Device suspended
>[   76.955552] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.955561] CPU: 0 PID: 723 Comm: kworker/0:1 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.955562] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.955568] Workqueue: events i915_hotplug_work_func [i915]
>[   76.955569]  0000000000000000 0000000000000009 ffffffff8171193b ffff88014ab49a78
>[   76.955571]  ffffffff810331ce ffff880146528000 ffffffffa008c39a 00000000000c5110
>[   76.955573]  ffff880146528000 00000000000c5108 ffff880146528070 0000000000000800
>[   76.955575] Call Trace:
>[   76.955577]  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.955580]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.955585]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.955588]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.955594]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.955601]  [<ffffffffa00b7f71>] ? gmbus_wait_hw_status+0xc3/0x14f [i915]
>[   76.955603]  [<ffffffff8105b31b>] ? __wake_up_sync+0x7/0x7
>[   76.955609]  [<ffffffffa00b805e>] ? gmbus_xfer_read+0x61/0x9d [i915]
>[   76.955616]  [<ffffffffa00b83f6>] ? gmbus_xfer+0x14b/0x4a3 [i915]
>[   76.955618]  [<ffffffff8161b668>] ? __i2c_transfer+0x2d/0x55
>[   76.955621]  [<ffffffff8161bd81>] ? i2c_transfer+0x53/0x7a
>[   76.955625]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.955629]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.955633]  [<ffffffffa0012d97>] ? drm_get_edid+0x79/0x240 [drm]
>[   76.955639]  [<ffffffffa006736a>] ? intel_display_power_get+0x7f/0xb6 [i915]
>[   76.955645]  [<ffffffffa00b67c4>] ? intel_hdmi_detect+0x92/0x120 [i915]
>[   76.955651]  [<ffffffffa00828ad>] ? i915_hotplug_work_func+0x211/0x2b5 [i915]
>[   76.955653]  [<ffffffff8104487b>] ? process_one_work+0x1bc/0x2ed
>[   76.955656]  [<ffffffff810427f8>] ? pwq_activate_delayed_work+0x1e/0x28
>[   76.955658]  [<ffffffff81044de9>] ? worker_thread+0x1c7/0x2bc
>[   76.955660]  [<ffffffff81044c22>] ? rescuer_thread+0x251/0x251
>[   76.955662]  [<ffffffff81049882>] ? kthread+0xc5/0xcd
>[   76.955665]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.955667]  [<ffffffff8171be7c>] ? ret_from_fork+0x7c/0xb0
>[   76.955670]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.955671] ---[ end trace 104a57d4d9227ac0 ]---
>[   76.955677] ------------[ cut here ]------------
>[   76.955683] WARNING: CPU: 0 PID: 723 at drivers/gpu/drm/i915/intel_uncore.c:47 hsw_write32+0x20/0x9b [i915]()
>[   76.955684] Device suspended
>[   76.955685] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.955695] CPU: 0 PID: 723 Comm: kworker/0:1 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.955696] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.955701] Workqueue: events i915_hotplug_work_func [i915]
>[   76.955702]  0000000000000000 0000000000000009 ffffffff8171193b ffff88014ab49a58
>[   76.955704]  ffffffff810331ce 0000000000000002 ffffffffa008c874 0000000000000000
>[   76.955706]  00000000000c5110 ffff880146528000 0000000000000000 ffff880146528070
>[   76.955708] Call Trace:
>[   76.955710]  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.955713]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.955719]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.955721]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.955728]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.955754]  [<ffffffffa00b7fd4>] ? gmbus_wait_hw_status+0x126/0x14f [i915]
>[   76.955765]  [<ffffffff8105b31b>] ? __wake_up_sync+0x7/0x7
>[   76.955779]  [<ffffffffa00b805e>] ? gmbus_xfer_read+0x61/0x9d [i915]
>[   76.955795]  [<ffffffffa00b83f6>] ? gmbus_xfer+0x14b/0x4a3 [i915]
>[   76.955804]  [<ffffffff8161b668>] ? __i2c_transfer+0x2d/0x55
>[   76.955813]  [<ffffffff8161bd81>] ? i2c_transfer+0x53/0x7a
>[   76.955823]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.955833]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.955846]  [<ffffffffa0012d97>] ? drm_get_edid+0x79/0x240 [drm]
>[   76.955862]  [<ffffffffa006736a>] ? intel_display_power_get+0x7f/0xb6 [i915]
>[   76.955878]  [<ffffffffa00b67c4>] ? intel_hdmi_detect+0x92/0x120 [i915]
>[   76.955887]  [<ffffffffa00828ad>] ? i915_hotplug_work_func+0x211/0x2b5 [i915]
>[   76.955889]  [<ffffffff8104487b>] ? process_one_work+0x1bc/0x2ed
>[   76.955892]  [<ffffffff810427f8>] ? pwq_activate_delayed_work+0x1e/0x28
>[   76.955894]  [<ffffffff81044de9>] ? worker_thread+0x1c7/0x2bc
>[   76.955896]  [<ffffffff81044c22>] ? rescuer_thread+0x251/0x251
>[   76.955898]  [<ffffffff81049882>] ? kthread+0xc5/0xcd
>[   76.955901]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.955903]  [<ffffffff8171be7c>] ? ret_from_fork+0x7c/0xb0
>[   76.955905]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.955907] ---[ end trace 104a57d4d9227ac1 ]---
>[   76.955914] ------------[ cut here ]------------
>[   76.955920] WARNING: CPU: 0 PID: 723 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[   76.955920] Device suspended
>[   76.955921] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.955931] CPU: 0 PID: 723 Comm: kworker/0:1 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.955932] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.955938] Workqueue: events i915_hotplug_work_func [i915]
>[   76.955939]  0000000000000000 0000000000000009 ffffffff8171193b ffff88014ab49af8
>[   76.955941]  ffffffff810331ce 0000000000000000 ffffffffa008c39a 0000000000000292
>[   76.955943]  ffff880146528000 00000000000c510c ffff880146528070 00000000000c510c
>[   76.955945] Call Trace:
>[   76.955947]  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.955949]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.955955]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.955958]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.955970]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.955982]  [<ffffffffa00b8073>] ? gmbus_xfer_read+0x76/0x9d [i915]
>[   76.955995]  [<ffffffffa00b83f6>] ? gmbus_xfer+0x14b/0x4a3 [i915]
>[   76.956003]  [<ffffffff8161b668>] ? __i2c_transfer+0x2d/0x55
>[   76.956012]  [<ffffffff8161bd81>] ? i2c_transfer+0x53/0x7a
>[   76.956022]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.956035]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.956048]  [<ffffffffa0012d97>] ? drm_get_edid+0x79/0x240 [drm]
>[   76.956064]  [<ffffffffa006736a>] ? intel_display_power_get+0x7f/0xb6 [i915]
>[   76.956080]  [<ffffffffa00b67c4>] ? intel_hdmi_detect+0x92/0x120 [i915]
>[   76.956096]  [<ffffffffa00828ad>] ? i915_hotplug_work_func+0x211/0x2b5 [i915]
>[   76.956099]  [<ffffffff8104487b>] ? process_one_work+0x1bc/0x2ed
>[   76.956102]  [<ffffffff810427f8>] ? pwq_activate_delayed_work+0x1e/0x28
>[   76.956104]  [<ffffffff81044de9>] ? worker_thread+0x1c7/0x2bc
>[   76.956105]  [<ffffffff81044c22>] ? rescuer_thread+0x251/0x251
>[   76.956108]  [<ffffffff81049882>] ? kthread+0xc5/0xcd
>[   76.956110]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.956113]  [<ffffffff8171be7c>] ? ret_from_fork+0x7c/0xb0
>[   76.956115]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.956116] ---[ end trace 104a57d4d9227ac2 ]---
>[   76.956123] ------------[ cut here ]------------
>[   76.956129] WARNING: CPU: 0 PID: 723 at drivers/gpu/drm/i915/intel_uncore.c:47 hsw_write32+0x20/0x9b [i915]()
>[   76.956130] Device suspended
>[   76.956131] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.956141] CPU: 0 PID: 723 Comm: kworker/0:1 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.956142] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.956147] Workqueue: events i915_hotplug_work_func [i915]
>[   76.956148]  0000000000000000 0000000000000009 ffffffff8171193b ffff88014ab49a58
>[   76.956150]  ffffffff810331ce ffff8801501fffc0 ffffffffa008c874 0000000000000009
>[   76.956152]  00000000000c5110 ffff880146528000 ffff88009e3f2c7c ffff880146528070
>[   76.956154] Call Trace:
>[   76.956156]  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.956159]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.956171]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.956174]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.956180]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.956186]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.956192]  [<ffffffffa00b7f3b>] ? gmbus_wait_hw_status+0x8d/0x14f [i915]
>[   76.956194]  [<ffffffff8105b31b>] ? __wake_up_sync+0x7/0x7
>[   76.956201]  [<ffffffffa00b805e>] ? gmbus_xfer_read+0x61/0x9d [i915]
>[   76.956207]  [<ffffffffa00b83f6>] ? gmbus_xfer+0x14b/0x4a3 [i915]
>[   76.956210]  [<ffffffff8161b668>] ? __i2c_transfer+0x2d/0x55
>[   76.956212]  [<ffffffff8161bd81>] ? i2c_transfer+0x53/0x7a
>[   76.956216]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.956230]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.956245]  [<ffffffffa0012d97>] ? drm_get_edid+0x79/0x240 [drm]
>[   76.956261]  [<ffffffffa006736a>] ? intel_display_power_get+0x7f/0xb6 [i915]
>[   76.956277]  [<ffffffffa00b67c4>] ? intel_hdmi_detect+0x92/0x120 [i915]
>[   76.956293]  [<ffffffffa00828ad>] ? i915_hotplug_work_func+0x211/0x2b5 [i915]
>[   76.956305]  [<ffffffff8104487b>] ? process_one_work+0x1bc/0x2ed
>[   76.956318]  [<ffffffff810427f8>] ? pwq_activate_delayed_work+0x1e/0x28
>[   76.956331]  [<ffffffff81044de9>] ? worker_thread+0x1c7/0x2bc
>[   76.956341]  [<ffffffff81044c22>] ? rescuer_thread+0x251/0x251
>[   76.956351]  [<ffffffff81049882>] ? kthread+0xc5/0xcd
>[   76.956359]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.956363]  [<ffffffff8171be7c>] ? ret_from_fork+0x7c/0xb0
>[   76.956366]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.956368] ---[ end trace 104a57d4d9227ac3 ]---
>[   76.956376] ------------[ cut here ]------------
>[   76.956386] WARNING: CPU: 0 PID: 723 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[   76.956387] Device suspended
>[   76.956388] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.956404] CPU: 0 PID: 723 Comm: kworker/0:1 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.956406] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.956415] Workqueue: events i915_hotplug_work_func [i915]
>[   76.956417]  0000000000000000 0000000000000009 ffffffff8171193b ffff88014ab49a78
>[   76.956420]  ffffffff810331ce ffff880146528000 ffffffffa008c39a 00000000000c5110
>[   76.956431]  ffff880146528000 00000000000c5108 ffff880146528070 0000000000000800
>[   76.956434] Call Trace:
>[   76.956436]  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.956439]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.956446]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.956448]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.956455]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.956464]  [<ffffffffa00b7f71>] ? gmbus_wait_hw_status+0xc3/0x14f [i915]
>[   76.956469]  [<ffffffff8105b31b>] ? __wake_up_sync+0x7/0x7
>[   76.956476]  [<ffffffffa00b805e>] ? gmbus_xfer_read+0x61/0x9d [i915]
>[   76.956484]  [<ffffffffa00b83f6>] ? gmbus_xfer+0x14b/0x4a3 [i915]
>[   76.956487]  [<ffffffff8161b668>] ? __i2c_transfer+0x2d/0x55
>[   76.956489]  [<ffffffff8161bd81>] ? i2c_transfer+0x53/0x7a
>[   76.956493]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.956497]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.956502]  [<ffffffffa0012d97>] ? drm_get_edid+0x79/0x240 [drm]
>[   76.956508]  [<ffffffffa006736a>] ? intel_display_power_get+0x7f/0xb6 [i915]
>[   76.956514]  [<ffffffffa00b67c4>] ? intel_hdmi_detect+0x92/0x120 [i915]
>[   76.956521]  [<ffffffffa00828ad>] ? i915_hotplug_work_func+0x211/0x2b5 [i915]
>[   76.956523]  [<ffffffff8104487b>] ? process_one_work+0x1bc/0x2ed
>[   76.956526]  [<ffffffff810427f8>] ? pwq_activate_delayed_work+0x1e/0x28
>[   76.956527]  [<ffffffff81044de9>] ? worker_thread+0x1c7/0x2bc
>[   76.956529]  [<ffffffff81044c22>] ? rescuer_thread+0x251/0x251
>[   76.956532]  [<ffffffff81049882>] ? kthread+0xc5/0xcd
>[   76.956534]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.956537]  [<ffffffff8171be7c>] ? ret_from_fork+0x7c/0xb0
>[   76.956539]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.956540] ---[ end trace 104a57d4d9227ac4 ]---
>[   76.956548] ------------[ cut here ]------------
>[   76.956554] WARNING: CPU: 0 PID: 723 at drivers/gpu/drm/i915/intel_uncore.c:47 hsw_write32+0x20/0x9b [i915]()
>[   76.956555] Device suspended
>[   76.956556] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.956566] CPU: 0 PID: 723 Comm: kworker/0:1 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.956567] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.956572] Workqueue: events i915_hotplug_work_func [i915]
>[   76.956573]  0000000000000000 0000000000000009 ffffffff8171193b ffff88014ab49a58
>[   76.956575]  ffffffff810331ce 0000000000000002 ffffffffa008c874 0000000000000000
>[   76.956577]  00000000000c5110 ffff880146528000 0000000000000000 ffff880146528070
>[   76.956579] Call Trace:
>[   76.956581]  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.956584]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.956590]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.956593]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.956599]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.956606]  [<ffffffffa00b7fd4>] ? gmbus_wait_hw_status+0x126/0x14f [i915]
>[   76.956608]  [<ffffffff8105b31b>] ? __wake_up_sync+0x7/0x7
>[   76.956614]  [<ffffffffa00b805e>] ? gmbus_xfer_read+0x61/0x9d [i915]
>[   76.956621]  [<ffffffffa00b83f6>] ? gmbus_xfer+0x14b/0x4a3 [i915]
>[   76.956623]  [<ffffffff8161b668>] ? __i2c_transfer+0x2d/0x55
>[   76.956626]  [<ffffffff8161bd81>] ? i2c_transfer+0x53/0x7a
>[   76.956630]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.956634]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.956638]  [<ffffffffa0012d97>] ? drm_get_edid+0x79/0x240 [drm]
>[   76.956644]  [<ffffffffa006736a>] ? intel_display_power_get+0x7f/0xb6 [i915]
>[   76.956651]  [<ffffffffa00b67c4>] ? intel_hdmi_detect+0x92/0x120 [i915]
>[   76.956657]  [<ffffffffa00828ad>] ? i915_hotplug_work_func+0x211/0x2b5 [i915]
>[   76.956659]  [<ffffffff8104487b>] ? process_one_work+0x1bc/0x2ed
>[   76.956662]  [<ffffffff810427f8>] ? pwq_activate_delayed_work+0x1e/0x28
>[   76.956664]  [<ffffffff81044de9>] ? worker_thread+0x1c7/0x2bc
>[   76.956666]  [<ffffffff81044c22>] ? rescuer_thread+0x251/0x251
>[   76.956668]  [<ffffffff81049882>] ? kthread+0xc5/0xcd
>[   76.956671]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.956673]  [<ffffffff8171be7c>] ? ret_from_fork+0x7c/0xb0
>[   76.956675]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.956677] ---[ end trace 104a57d4d9227ac5 ]---
>[   76.956684] ------------[ cut here ]------------
>[   76.956691] WARNING: CPU: 0 PID: 723 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[   76.956691] Device suspended
>[   76.956692] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.956702] CPU: 0 PID: 723 Comm: kworker/0:1 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.956703] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.956709] Workqueue: events i915_hotplug_work_func [i915]
>[   76.956710]  0000000000000000 0000000000000009 ffffffff8171193b ffff88014ab49af8
>[   76.956712]  ffffffff810331ce 0000000000000000 ffffffffa008c39a 0000000000000292
>[   76.956714]  ffff880146528000 00000000000c510c ffff880146528070 00000000000c510c
>[   76.956716] Call Trace:
>[   76.956718]  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.956720]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.956726]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.956729]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.956735]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.956753]  [<ffffffffa00b8073>] ? gmbus_xfer_read+0x76/0x9d [i915]
>[   76.956766]  [<ffffffffa00b83f6>] ? gmbus_xfer+0x14b/0x4a3 [i915]
>[   76.956774]  [<ffffffff8161b668>] ? __i2c_transfer+0x2d/0x55
>[   76.956783]  [<ffffffff8161bd81>] ? i2c_transfer+0x53/0x7a
>[   76.956793]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.956804]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.956814]  [<ffffffffa0012d97>] ? drm_get_edid+0x79/0x240 [drm]
>[   76.956826]  [<ffffffffa006736a>] ? intel_display_power_get+0x7f/0xb6 [i915]
>[   76.956839]  [<ffffffffa00b67c4>] ? intel_hdmi_detect+0x92/0x120 [i915]
>[   76.956848]  [<ffffffffa00828ad>] ? i915_hotplug_work_func+0x211/0x2b5 [i915]
>[   76.956851]  [<ffffffff8104487b>] ? process_one_work+0x1bc/0x2ed
>[   76.956853]  [<ffffffff810427f8>] ? pwq_activate_delayed_work+0x1e/0x28
>[   76.956855]  [<ffffffff81044de9>] ? worker_thread+0x1c7/0x2bc
>[   76.956857]  [<ffffffff81044c22>] ? rescuer_thread+0x251/0x251
>[   76.956860]  [<ffffffff81049882>] ? kthread+0xc5/0xcd
>[   76.956862]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.956864]  [<ffffffff8171be7c>] ? ret_from_fork+0x7c/0xb0
>[   76.956867]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.956868] ---[ end trace 104a57d4d9227ac6 ]---
>[   76.956876] ------------[ cut here ]------------
>[   76.956882] WARNING: CPU: 0 PID: 723 at drivers/gpu/drm/i915/intel_uncore.c:47 hsw_write32+0x20/0x9b [i915]()
>[   76.956882] Device suspended
>[   76.956883] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.956893] CPU: 0 PID: 723 Comm: kworker/0:1 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.956894] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.956900] Workqueue: events i915_hotplug_work_func [i915]
>[   76.956901]  0000000000000000 0000000000000009 ffffffff8171193b ffff88014ab49a88
>[   76.956903]  ffffffff810331ce 0000000000000000 ffffffffa008c874 0000000000000009
>[   76.956905]  00000000000c5110 ffff880146528000 0000000000000001 ffff880146528070
>[   76.956907] Call Trace:
>[   76.956909]  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.956912]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.956918]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.956920]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.956923]  [<ffffffff810331d3>] ? warn_slowpath_common+0x78/0x8b
>[   76.956929]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.956932]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.956938]  [<ffffffffa00b7f3b>] ? gmbus_wait_hw_status+0x8d/0x14f [i915]
>[   76.956949]  [<ffffffff8105b31b>] ? __wake_up_sync+0x7/0x7
>[   76.956965]  [<ffffffffa00b8552>] ? gmbus_xfer+0x2a7/0x4a3 [i915]
>[   76.956978]  [<ffffffff8161b668>] ? __i2c_transfer+0x2d/0x55
>[   76.956989]  [<ffffffff8161bd81>] ? i2c_transfer+0x53/0x7a
>[   76.956994]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.956998]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.957002]  [<ffffffffa0012d97>] ? drm_get_edid+0x79/0x240 [drm]
>[   76.957008]  [<ffffffffa006736a>] ? intel_display_power_get+0x7f/0xb6 [i915]
>[   76.957014]  [<ffffffffa00b67c4>] ? intel_hdmi_detect+0x92/0x120 [i915]
>[   76.957021]  [<ffffffffa00828ad>] ? i915_hotplug_work_func+0x211/0x2b5 [i915]
>[   76.957023]  [<ffffffff8104487b>] ? process_one_work+0x1bc/0x2ed
>[   76.957025]  [<ffffffff810427f8>] ? pwq_activate_delayed_work+0x1e/0x28
>[   76.957027]  [<ffffffff81044de9>] ? worker_thread+0x1c7/0x2bc
>[   76.957039]  [<ffffffff81044c22>] ? rescuer_thread+0x251/0x251
>[   76.957045]  [<ffffffff81049882>] ? kthread+0xc5/0xcd
>[   76.957047]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.957050]  [<ffffffff8171be7c>] ? ret_from_fork+0x7c/0xb0
>[   76.957052]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.957053] ---[ end trace 104a57d4d9227ac7 ]---
>[   76.957061] ------------[ cut here ]------------
>[   76.957073] WARNING: CPU: 0 PID: 723 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[   76.957075] Device suspended
>[   76.957076] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.957088] CPU: 0 PID: 723 Comm: kworker/0:1 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.957089] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.957094] Workqueue: events i915_hotplug_work_func [i915]
>[   76.957095]  0000000000000000 0000000000000009 ffffffff8171193b ffff88014ab49aa8
>[   76.957097]  ffffffff810331ce ffff880146528000 ffffffffa008c39a 00000000000c5110
>[   76.957099]  ffff880146528000 00000000000c5108 ffff880146528070 0000000000004000
>[   76.957101] Call Trace:
>[   76.957103]  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.957106]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.957112]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.957115]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.957121]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.957127]  [<ffffffffa00b7f71>] ? gmbus_wait_hw_status+0xc3/0x14f [i915]
>[   76.957129]  [<ffffffff8105b31b>] ? __wake_up_sync+0x7/0x7
>[   76.957135]  [<ffffffffa00b8552>] ? gmbus_xfer+0x2a7/0x4a3 [i915]
>[   76.957138]  [<ffffffff8161b668>] ? __i2c_transfer+0x2d/0x55
>[   76.957140]  [<ffffffff8161bd81>] ? i2c_transfer+0x53/0x7a
>[   76.957145]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.957149]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.957153]  [<ffffffffa0012d97>] ? drm_get_edid+0x79/0x240 [drm]
>[   76.957159]  [<ffffffffa006736a>] ? intel_display_power_get+0x7f/0xb6 [i915]
>[   76.957165]  [<ffffffffa00b67c4>] ? intel_hdmi_detect+0x92/0x120 [i915]
>[   76.957172]  [<ffffffffa00828ad>] ? i915_hotplug_work_func+0x211/0x2b5 [i915]
>[   76.957174]  [<ffffffff8104487b>] ? process_one_work+0x1bc/0x2ed
>[   76.957176]  [<ffffffff810427f8>] ? pwq_activate_delayed_work+0x1e/0x28
>[   76.957178]  [<ffffffff81044de9>] ? worker_thread+0x1c7/0x2bc
>[   76.957180]  [<ffffffff81044c22>] ? rescuer_thread+0x251/0x251
>[   76.957183]  [<ffffffff81049882>] ? kthread+0xc5/0xcd
>[   76.957185]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.957187]  [<ffffffff8171be7c>] ? ret_from_fork+0x7c/0xb0
>[   76.957190]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.957191] ---[ end trace 104a57d4d9227ac8 ]---
>[   76.957198] ------------[ cut here ]------------
>[   76.957204] WARNING: CPU: 0 PID: 723 at drivers/gpu/drm/i915/intel_uncore.c:47 hsw_write32+0x20/0x9b [i915]()
>[   76.957204] Device suspended
>[   76.957205] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.957215] CPU: 0 PID: 723 Comm: kworker/0:1 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.957216] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.957221] Workqueue: events i915_hotplug_work_func [i915]
>[   76.957222]  0000000000000000 0000000000000009 ffffffff8171193b ffff88014ab49a88
>[   76.957224]  ffffffff810331ce 0000000000000002 ffffffffa008c874 0000000000000000
>[   76.957226]  00000000000c5110 ffff880146528000 0000000000000000 ffff880146528070
>[   76.957228] Call Trace:
>[   76.957230]  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.957233]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.957239]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.957242]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.957248]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.957255]  [<ffffffffa00b7fd4>] ? gmbus_wait_hw_status+0x126/0x14f [i915]
>[   76.957257]  [<ffffffff8105b31b>] ? __wake_up_sync+0x7/0x7
>[   76.957263]  [<ffffffffa00b8552>] ? gmbus_xfer+0x2a7/0x4a3 [i915]
>[   76.957266]  [<ffffffff8161b668>] ? __i2c_transfer+0x2d/0x55
>[   76.957268]  [<ffffffff8161bd81>] ? i2c_transfer+0x53/0x7a
>[   76.957272]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.957276]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.957280]  [<ffffffffa0012d97>] ? drm_get_edid+0x79/0x240 [drm]
>[   76.957286]  [<ffffffffa006736a>] ? intel_display_power_get+0x7f/0xb6 [i915]
>[   76.957293]  [<ffffffffa00b67c4>] ? intel_hdmi_detect+0x92/0x120 [i915]
>[   76.957299]  [<ffffffffa00828ad>] ? i915_hotplug_work_func+0x211/0x2b5 [i915]
>[   76.957301]  [<ffffffff8104487b>] ? process_one_work+0x1bc/0x2ed
>[   76.957304]  [<ffffffff810427f8>] ? pwq_activate_delayed_work+0x1e/0x28
>[   76.957306]  [<ffffffff81044de9>] ? worker_thread+0x1c7/0x2bc
>[   76.957307]  [<ffffffff81044c22>] ? rescuer_thread+0x251/0x251
>[   76.957310]  [<ffffffff81049882>] ? kthread+0xc5/0xcd
>[   76.957312]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.957315]  [<ffffffff8171be7c>] ? ret_from_fork+0x7c/0xb0
>[   76.957317]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.957318] ---[ end trace 104a57d4d9227ac9 ]---
>[   76.957326] ------------[ cut here ]------------
>[   76.957332] WARNING: CPU: 0 PID: 723 at drivers/gpu/drm/i915/intel_uncore.c:47 hsw_write32+0x20/0x9b [i915]()
>[   76.957333] Device suspended
>[   76.957333] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.957343] CPU: 0 PID: 723 Comm: kworker/0:1 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.957344] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.957350] Workqueue: events i915_hotplug_work_func [i915]
>[   76.957351]  0000000000000000 0000000000000009 ffffffff8171193b ffff88014ab49b08
>[   76.957353]  ffffffff810331ce 0000000000000002 ffffffffa008c874 ffffc90010a45110
>[   76.957355]  00000000000c5104 ffff880146528000 0000000000000002 ffff880146528070
>[   76.957357] Call Trace:
>[   76.957359]  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.957361]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.957367]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.957370]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.957377]  [<ffffffffa00b7fd4>] ? gmbus_wait_hw_status+0x126/0x14f [i915]
>[   76.957383]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.957389]  [<ffffffffa00b8594>] ? gmbus_xfer+0x2e9/0x4a3 [i915]
>[   76.957392]  [<ffffffff8161b668>] ? __i2c_transfer+0x2d/0x55
>[   76.957394]  [<ffffffff8161bd81>] ? i2c_transfer+0x53/0x7a
>[   76.957398]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.957402]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.957407]  [<ffffffffa0012d97>] ? drm_get_edid+0x79/0x240 [drm]
>[   76.957412]  [<ffffffffa006736a>] ? intel_display_power_get+0x7f/0xb6 [i915]
>[   76.957419]  [<ffffffffa00b67c4>] ? intel_hdmi_detect+0x92/0x120 [i915]
>[   76.957425]  [<ffffffffa00828ad>] ? i915_hotplug_work_func+0x211/0x2b5 [i915]
>[   76.957427]  [<ffffffff8104487b>] ? process_one_work+0x1bc/0x2ed
>[   76.957430]  [<ffffffff810427f8>] ? pwq_activate_delayed_work+0x1e/0x28
>[   76.957432]  [<ffffffff81044de9>] ? worker_thread+0x1c7/0x2bc
>[   76.957434]  [<ffffffff81044c22>] ? rescuer_thread+0x251/0x251
>[   76.957436]  [<ffffffff81049882>] ? kthread+0xc5/0xcd
>[   76.957439]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.957441]  [<ffffffff8171be7c>] ? ret_from_fork+0x7c/0xb0
>[   76.957443]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.957444] ---[ end trace 104a57d4d9227aca ]---
>[   76.957452] ------------[ cut here ]------------
>[   76.957458] WARNING: CPU: 0 PID: 723 at drivers/gpu/drm/i915/intel_uncore.c:47 hsw_write32+0x20/0x9b [i915]()
>[   76.957459] Device suspended
>[   76.957459] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.957469] CPU: 0 PID: 723 Comm: kworker/0:1 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.957470] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.957476] Workqueue: events i915_hotplug_work_func [i915]
>[   76.957477]  0000000000000000 0000000000000009 ffffffff8171193b ffff88014ab49a98
>[   76.957479]  ffffffff810331ce 0000000048000000 ffffffffa008c874 0000000000000009
>[   76.957481]  00000000000c5110 ffff880146528000 00000000000c5110 ffff880146528070
>[   76.957483] Call Trace:
>[   76.957485]  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.957487]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.957493]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.957496]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.957499]  [<ffffffff810331d3>] ? warn_slowpath_common+0x78/0x8b
>[   76.957504]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.957507]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.957514]  [<ffffffffa00b816d>] ? gmbus_wait_idle+0xd3/0x211 [i915]
>[   76.957520]  [<ffffffffa008c8d4>] ? hsw_write32+0x80/0x9b [i915]
>[   76.957526]  [<ffffffffa00b859c>] ? gmbus_xfer+0x2f1/0x4a3 [i915]
>[   76.957529]  [<ffffffff8161b668>] ? __i2c_transfer+0x2d/0x55
>[   76.957531]  [<ffffffff8161bd81>] ? i2c_transfer+0x53/0x7a
>[   76.957535]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.957539]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.957543]  [<ffffffffa0012d97>] ? drm_get_edid+0x79/0x240 [drm]
>[   76.957549]  [<ffffffffa006736a>] ? intel_display_power_get+0x7f/0xb6 [i915]
>[   76.957556]  [<ffffffffa00b67c4>] ? intel_hdmi_detect+0x92/0x120 [i915]
>[   76.957562]  [<ffffffffa00828ad>] ? i915_hotplug_work_func+0x211/0x2b5 [i915]
>[   76.957564]  [<ffffffff8104487b>] ? process_one_work+0x1bc/0x2ed
>[   76.957567]  [<ffffffff810427f8>] ? pwq_activate_delayed_work+0x1e/0x28
>[   76.957569]  [<ffffffff81044de9>] ? worker_thread+0x1c7/0x2bc
>[   76.957570]  [<ffffffff81044c22>] ? rescuer_thread+0x251/0x251
>[   76.957573]  [<ffffffff81049882>] ? kthread+0xc5/0xcd
>[   76.957575]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.957578]  [<ffffffff8171be7c>] ? ret_from_fork+0x7c/0xb0
>[   76.957580]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.957581] ---[ end trace 104a57d4d9227acb ]---
>[   76.957588] ------------[ cut here ]------------
>[   76.957594] WARNING: CPU: 0 PID: 723 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[   76.957595] Device suspended
>[   76.957595] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.957605] CPU: 0 PID: 723 Comm: kworker/0:1 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.957606] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.957612] Workqueue: events i915_hotplug_work_func [i915]
>[   76.957613]  0000000000000000 0000000000000009 ffffffff8171193b ffff88014ab49ab8
>[   76.957615]  ffffffff810331ce ffff880146528000 ffffffffa008c39a 00000000000c5110
>[   76.957617]  ffff880146528000 00000000000c5108 ffff880146528070 00000000000c5108
>[   76.957619] Call Trace:
>[   76.957621]  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.957623]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.957629]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.957632]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.957638]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.957645]  [<ffffffffa00b81a4>] ? gmbus_wait_idle+0x10a/0x211 [i915]
>[   76.957651]  [<ffffffffa008c8d4>] ? hsw_write32+0x80/0x9b [i915]
>[   76.957657]  [<ffffffffa00b859c>] ? gmbus_xfer+0x2f1/0x4a3 [i915]
>[   76.957660]  [<ffffffff8161b668>] ? __i2c_transfer+0x2d/0x55
>[   76.957662]  [<ffffffff8161bd81>] ? i2c_transfer+0x53/0x7a
>[   76.957666]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.957670]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.957674]  [<ffffffffa0012d97>] ? drm_get_edid+0x79/0x240 [drm]
>[   76.957680]  [<ffffffffa006736a>] ? intel_display_power_get+0x7f/0xb6 [i915]
>[   76.957687]  [<ffffffffa00b67c4>] ? intel_hdmi_detect+0x92/0x120 [i915]
>[   76.957693]  [<ffffffffa00828ad>] ? i915_hotplug_work_func+0x211/0x2b5 [i915]
>[   76.957695]  [<ffffffff8104487b>] ? process_one_work+0x1bc/0x2ed
>[   76.957698]  [<ffffffff810427f8>] ? pwq_activate_delayed_work+0x1e/0x28
>[   76.957700]  [<ffffffff81044de9>] ? worker_thread+0x1c7/0x2bc
>[   76.957701]  [<ffffffff81044c22>] ? rescuer_thread+0x251/0x251
>[   76.957704]  [<ffffffff81049882>] ? kthread+0xc5/0xcd
>[   76.957706]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.957709]  [<ffffffff8171be7c>] ? ret_from_fork+0x7c/0xb0
>[   76.957711]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.957712] ---[ end trace 104a57d4d9227acc ]---
>[   76.957720] ------------[ cut here ]------------
>[   76.957726] WARNING: CPU: 0 PID: 723 at drivers/gpu/drm/i915/intel_uncore.c:47 hsw_write32+0x20/0x9b [i915]()
>[   76.957726] Device suspended
>[   76.957727] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.957756] CPU: 0 PID: 723 Comm: kworker/0:1 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.957760] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.957769] Workqueue: events i915_hotplug_work_func [i915]
>[   76.957776]  0000000000000000 0000000000000009 ffffffff8171193b ffff88014ab49a98
>[   76.957792]  ffffffff810331ce 0000000000000002 ffffffffa008c874 0000000000000000
>[   76.957808]  00000000000c5110 ffff880146528000 00000000000c5110 ffff880146528070
>[   76.957825] Call Trace:
>[   76.957829]  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.957832]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.957838]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.957840]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.957847]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.957853]  [<ffffffffa00b8279>] ? gmbus_wait_idle+0x1df/0x211 [i915]
>[   76.957859]  [<ffffffffa008c8d4>] ? hsw_write32+0x80/0x9b [i915]
>[   76.957866]  [<ffffffffa00b859c>] ? gmbus_xfer+0x2f1/0x4a3 [i915]
>[   76.957869]  [<ffffffff8161b668>] ? __i2c_transfer+0x2d/0x55
>[   76.957871]  [<ffffffff8161bd81>] ? i2c_transfer+0x53/0x7a
>[   76.957875]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.957879]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.957883]  [<ffffffffa0012d97>] ? drm_get_edid+0x79/0x240 [drm]
>[   76.957889]  [<ffffffffa006736a>] ? intel_display_power_get+0x7f/0xb6 [i915]
>[   76.957896]  [<ffffffffa00b67c4>] ? intel_hdmi_detect+0x92/0x120 [i915]
>[   76.957902]  [<ffffffffa00828ad>] ? i915_hotplug_work_func+0x211/0x2b5 [i915]
>[   76.957904]  [<ffffffff8104487b>] ? process_one_work+0x1bc/0x2ed
>[   76.957907]  [<ffffffff810427f8>] ? pwq_activate_delayed_work+0x1e/0x28
>[   76.957909]  [<ffffffff81044de9>] ? worker_thread+0x1c7/0x2bc
>[   76.957911]  [<ffffffff81044c22>] ? rescuer_thread+0x251/0x251
>[   76.957913]  [<ffffffff81049882>] ? kthread+0xc5/0xcd
>[   76.957916]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.957918]  [<ffffffff8171be7c>] ? ret_from_fork+0x7c/0xb0
>[   76.957920]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.957922] ---[ end trace 104a57d4d9227acd ]---
>[   76.957930] ------------[ cut here ]------------
>[   76.957935] WARNING: CPU: 0 PID: 723 at drivers/gpu/drm/i915/intel_uncore.c:47 hsw_write32+0x20/0x9b [i915]()
>[   76.957936] Device suspended
>[   76.957937] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.958034] CPU: 0 PID: 723 Comm: kworker/0:1 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.958039] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.958048] Workqueue: events i915_hotplug_work_func [i915]
>[   76.958055]  0000000000000000 0000000000000009 ffffffff8171193b ffff88014ab49b08
>[   76.958058]  ffffffff810331ce ffff88014ab49b18 ffffffffa008c874 0000000000000002
>[   76.958060]  00000000000c5100 ffff880146528000 0000000000000002 ffff880146528070
>[   76.958062] Call Trace:
>[   76.958064]  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.958067]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.958073]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.958076]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.958082]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.958089]  [<ffffffffa00b85e3>] ? gmbus_xfer+0x338/0x4a3 [i915]
>[   76.958091]  [<ffffffff8161b668>] ? __i2c_transfer+0x2d/0x55
>[   76.958094]  [<ffffffff8161bd81>] ? i2c_transfer+0x53/0x7a
>[   76.958098]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.958102]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.958106]  [<ffffffffa0012d97>] ? drm_get_edid+0x79/0x240 [drm]
>[   76.958112]  [<ffffffffa006736a>] ? intel_display_power_get+0x7f/0xb6 [i915]
>[   76.958118]  [<ffffffffa00b67c4>] ? intel_hdmi_detect+0x92/0x120 [i915]
>[   76.958125]  [<ffffffffa00828ad>] ? i915_hotplug_work_func+0x211/0x2b5 [i915]
>[   76.958127]  [<ffffffff8104487b>] ? process_one_work+0x1bc/0x2ed
>[   76.958130]  [<ffffffff810427f8>] ? pwq_activate_delayed_work+0x1e/0x28
>[   76.958132]  [<ffffffff81044de9>] ? worker_thread+0x1c7/0x2bc
>[   76.958134]  [<ffffffff81044c22>] ? rescuer_thread+0x251/0x251
>[   76.958136]  [<ffffffff81049882>] ? kthread+0xc5/0xcd
>[   76.958139]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.958141]  [<ffffffff8171be7c>] ? ret_from_fork+0x7c/0xb0
>[   76.958143]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.958144] ---[ end trace 104a57d4d9227ace ]---
>[   76.958160] ------------[ cut here ]------------
>[   76.958166] WARNING: CPU: 0 PID: 723 at drivers/gpu/drm/i915/intel_uncore.c:47 hsw_write32+0x20/0x9b [i915]()
>[   76.958167] Device suspended
>[   76.958168] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.958243] CPU: 0 PID: 723 Comm: kworker/0:1 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.958245] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.958250] Workqueue: events i915_hotplug_work_func [i915]
>[   76.958251]  0000000000000000 0000000000000009 ffffffff8171193b ffff88014ab49b08
>[   76.958253]  ffffffff810331ce ffff88014ab49b18 ffffffffa008c874 0000000000000002
>[   76.958255]  00000000000c5100 ffff880146528000 0000000000000000 ffff880146528070
>[   76.958257] Call Trace:
>[   76.958260]  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.958262]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.958268]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.958271]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.958277]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.958284]  [<ffffffffa00b8326>] ? gmbus_xfer+0x7b/0x4a3 [i915]
>[   76.958286]  [<ffffffff8161b668>] ? __i2c_transfer+0x2d/0x55
>[   76.958289]  [<ffffffff8161bd81>] ? i2c_transfer+0x53/0x7a
>[   76.958293]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.958297]  [<ffffffffa0012e22>] ? drm_get_edid+0x104/0x240 [drm]
>[   76.958304]  [<ffffffffa00b67c4>] ? intel_hdmi_detect+0x92/0x120 [i915]
>[   76.958310]  [<ffffffffa00828ad>] ? i915_hotplug_work_func+0x211/0x2b5 [i915]
>[   76.958312]  [<ffffffff8104487b>] ? process_one_work+0x1bc/0x2ed
>[   76.958315]  [<ffffffff810427f8>] ? pwq_activate_delayed_work+0x1e/0x28
>[   76.958317]  [<ffffffff81044de9>] ? worker_thread+0x1c7/0x2bc
>[   76.958319]  [<ffffffff81044c22>] ? rescuer_thread+0x251/0x251
>[   76.958321]  [<ffffffff81049882>] ? kthread+0xc5/0xcd
>[   76.958335]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.958347]  [<ffffffff8171be7c>] ? ret_from_fork+0x7c/0xb0
>[   76.958359]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.958361] ---[ end trace 104a57d4d9227acf ]---
>[   76.958368] ------------[ cut here ]------------
>[   76.958374] WARNING: CPU: 0 PID: 723 at drivers/gpu/drm/i915/intel_uncore.c:47 hsw_write32+0x20/0x9b [i915]()
>[   76.958375] Device suspended
>[   76.958376] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.958386] CPU: 0 PID: 723 Comm: kworker/0:1 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.958387] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.958392] Workqueue: events i915_hotplug_work_func [i915]
>[   76.958404]  0000000000000000 0000000000000009 ffffffff8171193b ffff88014ab49ad8
>[   76.958407]  ffffffff810331ce 0000000000000000 ffffffffa008c874 0000000000000002
>[   76.958409]  00000000000c5104 ffff880146528000 ffff880149446980 ffff880146528070
>[   76.958411] Call Trace:
>[   76.958413]  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.958416]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.958429]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.958433]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.958436]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.958442]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.958449]  [<ffffffffa00b804a>] ? gmbus_xfer_read+0x4d/0x9d [i915]
>[   76.958455]  [<ffffffffa00b83f6>] ? gmbus_xfer+0x14b/0x4a3 [i915]
>[   76.958458]  [<ffffffff8161b668>] ? __i2c_transfer+0x2d/0x55
>[   76.958461]  [<ffffffff8161bd81>] ? i2c_transfer+0x53/0x7a
>[   76.958465]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.958469]  [<ffffffffa0012e22>] ? drm_get_edid+0x104/0x240 [drm]
>[   76.958476]  [<ffffffffa00b67c4>] ? intel_hdmi_detect+0x92/0x120 [i915]
>[   76.958482]  [<ffffffffa00828ad>] ? i915_hotplug_work_func+0x211/0x2b5 [i915]
>[   76.958484]  [<ffffffff8104487b>] ? process_one_work+0x1bc/0x2ed
>[   76.958487]  [<ffffffff810427f8>] ? pwq_activate_delayed_work+0x1e/0x28
>[   76.958489]  [<ffffffff81044de9>] ? worker_thread+0x1c7/0x2bc
>[   76.958490]  [<ffffffff81044c22>] ? rescuer_thread+0x251/0x251
>[   76.958493]  [<ffffffff81049882>] ? kthread+0xc5/0xcd
>[   76.958495]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.958498]  [<ffffffff8171be7c>] ? ret_from_fork+0x7c/0xb0
>[   76.958500]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.958501] ---[ end trace 104a57d4d9227ad0 ]---
>[   76.958508] ------------[ cut here ]------------
>[   76.958514] WARNING: CPU: 0 PID: 723 at drivers/gpu/drm/i915/intel_uncore.c:47 hsw_write32+0x20/0x9b [i915]()
>[   76.958515] Device suspended
>[   76.958516] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.958526] CPU: 0 PID: 723 Comm: kworker/0:1 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.958527] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.958532] Workqueue: events i915_hotplug_work_func [i915]
>[   76.958533]  0000000000000000 0000000000000009 ffffffff8171193b ffff88014ab49a58
>[   76.958535]  ffffffff810331ce 000000000000002f ffffffffa008c874 00000000468080a1
>[   76.958537]  00000000000c5110 ffff880146528000 ffff880149446980 ffff880146528070
>[   76.958539] Call Trace:
>[   76.958541]  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.958544]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.958550]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.958552]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.958559]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.958565]  [<ffffffffa00b7f3b>] ? gmbus_wait_hw_status+0x8d/0x14f [i915]
>[   76.958567]  [<ffffffff8105b31b>] ? __wake_up_sync+0x7/0x7
>[   76.958574]  [<ffffffffa00b805e>] ? gmbus_xfer_read+0x61/0x9d [i915]
>[   76.958580]  [<ffffffffa00b83f6>] ? gmbus_xfer+0x14b/0x4a3 [i915]
>[   76.958583]  [<ffffffff8161b668>] ? __i2c_transfer+0x2d/0x55
>[   76.958585]  [<ffffffff8161bd81>] ? i2c_transfer+0x53/0x7a
>[   76.958589]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.958594]  [<ffffffffa0012e22>] ? drm_get_edid+0x104/0x240 [drm]
>[   76.958600]  [<ffffffffa00b67c4>] ? intel_hdmi_detect+0x92/0x120 [i915]
>[   76.958606]  [<ffffffffa00828ad>] ? i915_hotplug_work_func+0x211/0x2b5 [i915]
>[   76.958608]  [<ffffffff8104487b>] ? process_one_work+0x1bc/0x2ed
>[   76.958611]  [<ffffffff810427f8>] ? pwq_activate_delayed_work+0x1e/0x28
>[   76.958613]  [<ffffffff81044de9>] ? worker_thread+0x1c7/0x2bc
>[   76.958615]  [<ffffffff81044c22>] ? rescuer_thread+0x251/0x251
>[   76.958617]  [<ffffffff81049882>] ? kthread+0xc5/0xcd
>[   76.958620]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.958622]  [<ffffffff8171be7c>] ? ret_from_fork+0x7c/0xb0
>[   76.958624]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.958626] ---[ end trace 104a57d4d9227ad1 ]---
>[   76.958633] ------------[ cut here ]------------
>[   76.958639] WARNING: CPU: 0 PID: 723 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[   76.958640] Device suspended
>[   76.958641] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.958650] CPU: 0 PID: 723 Comm: kworker/0:1 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.958651] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.958657] Workqueue: events i915_hotplug_work_func [i915]
>[   76.958658]  0000000000000000 0000000000000009 ffffffff8171193b ffff88014ab49a78
>[   76.958660]  ffffffff810331ce ffff880146528000 ffffffffa008c39a 00000000000c5110
>[   76.958662]  ffff880146528000 00000000000c5108 ffff880146528070 0000000000000800
>[   76.958664] Call Trace:
>[   76.958666]  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.958668]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.958674]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.958677]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.958683]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.958690]  [<ffffffffa00b7f71>] ? gmbus_wait_hw_status+0xc3/0x14f [i915]
>[   76.958691]  [<ffffffff8105b31b>] ? __wake_up_sync+0x7/0x7
>[   76.958698]  [<ffffffffa00b805e>] ? gmbus_xfer_read+0x61/0x9d [i915]
>[   76.958704]  [<ffffffffa00b83f6>] ? gmbus_xfer+0x14b/0x4a3 [i915]
>[   76.958707]  [<ffffffff8161b668>] ? __i2c_transfer+0x2d/0x55
>[   76.958709]  [<ffffffff8161bd81>] ? i2c_transfer+0x53/0x7a
>[   76.958713]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.958718]  [<ffffffffa0012e22>] ? drm_get_edid+0x104/0x240 [drm]
>[   76.958724]  [<ffffffffa00b67c4>] ? intel_hdmi_detect+0x92/0x120 [i915]
>[   76.958730]  [<ffffffffa00828ad>] ? i915_hotplug_work_func+0x211/0x2b5 [i915]
>[   76.958733]  [<ffffffff8104487b>] ? process_one_work+0x1bc/0x2ed
>[   76.958744]  [<ffffffff810427f8>] ? pwq_activate_delayed_work+0x1e/0x28
>[   76.958753]  [<ffffffff81044de9>] ? worker_thread+0x1c7/0x2bc
>[   76.958761]  [<ffffffff81044c22>] ? rescuer_thread+0x251/0x251
>[   76.958769]  [<ffffffff81049882>] ? kthread+0xc5/0xcd
>[   76.958778]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.958787]  [<ffffffff8171be7c>] ? ret_from_fork+0x7c/0xb0
>[   76.958795]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.958800] ---[ end trace 104a57d4d9227ad2 ]---
>[   76.959087] systemd-journald[3901]: Got invalid event from epoll.
>[   76.959224] ------------[ cut here ]------------
>[   76.959232] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[   76.959233] Device suspended
>[   76.959233] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.959244] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.959245] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.959246]  0000000000000000 0000000000000009 ffffffff8171193b ffff880150203dd8
>[   76.959248]  ffffffff810331ce 00000000000116c0 ffffffffa008c39a ffff8801503916c0
>[   76.959250]  ffff880146528000 000000000004400c ffff880146528070 0000000000000000
>[   76.959252] Call Trace:
>[   76.959253]  <IRQ>  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.959258]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.959264]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.959267]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.959273]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.959280]  [<ffffffffa0085e0b>] ? ironlake_irq_handler+0x33/0xbbf [i915]
>[   76.959283]  [<ffffffff8105b093>] ? __wake_up+0x35/0x46
>[   76.959286]  [<ffffffff810662f4>] ? handle_irq_event_percpu+0x25/0x114
>[   76.959288]  [<ffffffff81066411>] ? handle_irq_event+0x2e/0x4d
>[   76.959291]  [<ffffffff81068718>] ? handle_edge_irq+0xbb/0xde
>[   76.959293]  [<ffffffff8100396d>] ? handle_irq+0x15/0x20
>[   76.959295]  [<ffffffff8100361d>] ? do_IRQ+0x41/0xa6
>[   76.959297]  [<ffffffff8171706a>] ? common_interrupt+0x6a/0x6a
>[   76.959298]  <EOI>  [<ffffffff8163756b>] ? cpuidle_enter_state+0x43/0xa6
>[   76.959302]  [<ffffffff81637564>] ? cpuidle_enter_state+0x3c/0xa6
>[   76.959304]  [<ffffffff81637692>] ? cpuidle_idle_call+0xc4/0x10a
>[   76.959308]  [<ffffffff810088d1>] ? arch_cpu_idle+0x6/0x19
>[   76.959310]  [<ffffffff81065beb>] ? cpu_startup_entry+0xa7/0x124
>[   76.959313]  [<ffffffff81b5cc8e>] ? start_kernel+0x3a3/0x3ae
>[   76.959314]  [<ffffffff81b5c703>] ? repair_env_string+0x57/0x57
>[   76.959316] ---[ end trace 104a57d4d9227ad3 ]---
>[   76.959317] ------------[ cut here ]------------
>[   76.959323] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/i915/intel_uncore.c:47 hsw_write32+0x20/0x9b [i915]()
>[   76.959324] Device suspended
>[   76.959325] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.959335] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.959336] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.959337]  0000000000000000 0000000000000009 ffffffff8171193b ffff880150203db8
>[   76.959339]  ffffffff810331ce 0000000000000002 ffffffffa008c874 0000000000000000
>[   76.959341]  000000000004400c ffff880146528000 000000000000002c ffff880146528070
>[   76.959343] Call Trace:
>[   76.959343]  <IRQ>  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.959348]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.959354]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.959356]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.959363]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.959369]  [<ffffffffa0085e2a>] ? ironlake_irq_handler+0x52/0xbbf [i915]
>[   76.959372]  [<ffffffff8105b093>] ? __wake_up+0x35/0x46
>[   76.959374]  [<ffffffff810662f4>] ? handle_irq_event_percpu+0x25/0x114
>[   76.959376]  [<ffffffff81066411>] ? handle_irq_event+0x2e/0x4d
>[   76.959378]  [<ffffffff81068718>] ? handle_edge_irq+0xbb/0xde
>[   76.959380]  [<ffffffff8100396d>] ? handle_irq+0x15/0x20
>[   76.959381]  [<ffffffff8100361d>] ? do_IRQ+0x41/0xa6
>[   76.959383]  [<ffffffff8171706a>] ? common_interrupt+0x6a/0x6a
>[   76.959384]  <EOI>  [<ffffffff8163756b>] ? cpuidle_enter_state+0x43/0xa6
>[   76.959387]  [<ffffffff81637564>] ? cpuidle_enter_state+0x3c/0xa6
>[   76.959389]  [<ffffffff81637692>] ? cpuidle_idle_call+0xc4/0x10a
>[   76.959392]  [<ffffffff810088d1>] ? arch_cpu_idle+0x6/0x19
>[   76.959394]  [<ffffffff81065beb>] ? cpu_startup_entry+0xa7/0x124
>[   76.959396]  [<ffffffff81b5cc8e>] ? start_kernel+0x3a3/0x3ae
>[   76.959397]  [<ffffffff81b5c703>] ? repair_env_string+0x57/0x57
>[   76.959398] ---[ end trace 104a57d4d9227ad4 ]---
>[   76.959400] ------------[ cut here ]------------
>[   76.959406] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[   76.959407] Device suspended
>[   76.959407] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.959417] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.959418] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.959419]  0000000000000000 0000000000000009 ffffffff8171193b ffff880150203dd8
>[   76.959421]  ffffffff810331ce ffff880146528000 ffffffffa008c39a 000000000004400c
>[   76.959423]  ffff880146528000 000000000004400c ffff880146528070 0000000000000000
>[   76.959425] Call Trace:
>[   76.959426]  <IRQ>  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.959430]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.959436]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.959439]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.959445]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.959451]  [<ffffffffa0085e3a>] ? ironlake_irq_handler+0x62/0xbbf [i915]
>[   76.959454]  [<ffffffff8105b093>] ? __wake_up+0x35/0x46
>[   76.959456]  [<ffffffff810662f4>] ? handle_irq_event_percpu+0x25/0x114
>[   76.959457]  [<ffffffff81066411>] ? handle_irq_event+0x2e/0x4d
>[   76.959459]  [<ffffffff81068718>] ? handle_edge_irq+0xbb/0xde
>[   76.959461]  [<ffffffff8100396d>] ? handle_irq+0x15/0x20
>[   76.959463]  [<ffffffff8100361d>] ? do_IRQ+0x41/0xa6
>[   76.959465]  [<ffffffff8171706a>] ? common_interrupt+0x6a/0x6a
>[   76.959466]  <EOI>  [<ffffffff8163756b>] ? cpuidle_enter_state+0x43/0xa6
>[   76.959469]  [<ffffffff81637564>] ? cpuidle_enter_state+0x3c/0xa6
>[   76.959471]  [<ffffffff81637692>] ? cpuidle_idle_call+0xc4/0x10a
>[   76.959473]  [<ffffffff810088d1>] ? arch_cpu_idle+0x6/0x19
>[   76.959475]  [<ffffffff81065beb>] ? cpu_startup_entry+0xa7/0x124
>[   76.959477]  [<ffffffff81b5cc8e>] ? start_kernel+0x3a3/0x3ae
>[   76.959479]  [<ffffffff81b5c703>] ? repair_env_string+0x57/0x57
>[   76.959480] ---[ end trace 104a57d4d9227ad5 ]---
>[   76.959481] ------------[ cut here ]------------
>[   76.959487] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[   76.959488] Device suspended
>[   76.959488] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.959498] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.959499] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.959500]  0000000000000000 0000000000000009 ffffffff8171193b ffff880150203dd8
>[   76.959502]  ffffffff810331ce ffff880146528000 ffffffffa008c39a 000000000004400c
>[   76.959504]  ffff880146528000 00000000000c400c ffff880146528070 0000000000000000
>[   76.959506] Call Trace:
>[   76.959507]  <IRQ>  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.959511]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.959517]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.959520]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.959526]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.959532]  [<ffffffffa0085e65>] ? ironlake_irq_handler+0x8d/0xbbf [i915]
>[   76.959535]  [<ffffffff8105b093>] ? __wake_up+0x35/0x46
>[   76.959536]  [<ffffffff810662f4>] ? handle_irq_event_percpu+0x25/0x114
>[   76.959538]  [<ffffffff81066411>] ? handle_irq_event+0x2e/0x4d
>[   76.959540]  [<ffffffff81068718>] ? handle_edge_irq+0xbb/0xde
>[   76.959542]  [<ffffffff8100396d>] ? handle_irq+0x15/0x20
>[   76.959544]  [<ffffffff8100361d>] ? do_IRQ+0x41/0xa6
>[   76.959546]  [<ffffffff8171706a>] ? common_interrupt+0x6a/0x6a
>[   76.959547]  <EOI>  [<ffffffff8163756b>] ? cpuidle_enter_state+0x43/0xa6
>[   76.959550]  [<ffffffff81637564>] ? cpuidle_enter_state+0x3c/0xa6
>[   76.959551]  [<ffffffff81637692>] ? cpuidle_idle_call+0xc4/0x10a
>[   76.959554]  [<ffffffff810088d1>] ? arch_cpu_idle+0x6/0x19
>[   76.959556]  [<ffffffff81065beb>] ? cpu_startup_entry+0xa7/0x124
>[   76.959558]  [<ffffffff81b5cc8e>] ? start_kernel+0x3a3/0x3ae
>[   76.959559]  [<ffffffff81b5c703>] ? repair_env_string+0x57/0x57
>[   76.959560] ---[ end trace 104a57d4d9227ad6 ]---
>[   76.959563] ------------[ cut here ]------------
>[   76.959568] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/i915/intel_uncore.c:47 hsw_write32+0x20/0x9b [i915]()
>[   76.959569] Device suspended
>[   76.959570] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.959580] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.959581] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.959582]  0000000000000000 0000000000000009 ffffffff8171193b ffff880150203db8
>[   76.959584]  ffffffff810331ce 0000000000000002 ffffffffa008c874 0000000000000000
>[   76.959586]  00000000000c400c ffff880146528000 000000000000002c ffff880146528070
>[   76.959588] Call Trace:
>[   76.959589]  <IRQ>  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.959593]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.959599]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.959601]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.959608]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.959614]  [<ffffffffa0085e7e>] ? ironlake_irq_handler+0xa6/0xbbf [i915]
>[   76.959616]  [<ffffffff8105b093>] ? __wake_up+0x35/0x46
>[   76.959618]  [<ffffffff810662f4>] ? handle_irq_event_percpu+0x25/0x114
>[   76.959620]  [<ffffffff81066411>] ? handle_irq_event+0x2e/0x4d
>[   76.959622]  [<ffffffff81068718>] ? handle_edge_irq+0xbb/0xde
>[   76.959624]  [<ffffffff8100396d>] ? handle_irq+0x15/0x20
>[   76.959626]  [<ffffffff8100361d>] ? do_IRQ+0x41/0xa6
>[   76.959627]  [<ffffffff8171706a>] ? common_interrupt+0x6a/0x6a
>[   76.959628]  <EOI>  [<ffffffff8163756b>] ? cpuidle_enter_state+0x43/0xa6
>[   76.959631]  [<ffffffff81637564>] ? cpuidle_enter_state+0x3c/0xa6
>[   76.959633]  [<ffffffff81637692>] ? cpuidle_idle_call+0xc4/0x10a
>[   76.959636]  [<ffffffff810088d1>] ? arch_cpu_idle+0x6/0x19
>[   76.959637]  [<ffffffff81065beb>] ? cpu_startup_entry+0xa7/0x124
>[   76.959639]  [<ffffffff81b5cc8e>] ? start_kernel+0x3a3/0x3ae
>[   76.959641]  [<ffffffff81b5c703>] ? repair_env_string+0x57/0x57
>[   76.959642] ---[ end trace 104a57d4d9227ad7 ]---
>[   76.959644] ------------[ cut here ]------------
>[   76.959650] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[   76.959651] Device suspended
>[   76.959651] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.959661] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.959662] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.959663]  0000000000000000 0000000000000009 ffffffff8171193b ffff880150203dd8
>[   76.959665]  ffffffff810331ce ffff880146528000 ffffffffa008c39a 00000000000c400c
>[   76.959667]  ffff880146528000 00000000000c400c ffff880146528070 0000000000000000
>[   76.959669] Call Trace:
>[   76.959670]  <IRQ>  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.959674]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.959680]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.959683]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.959689]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.959695]  [<ffffffffa0085e8e>] ? ironlake_irq_handler+0xb6/0xbbf [i915]
>[   76.959697]  [<ffffffff8105b093>] ? __wake_up+0x35/0x46
>[   76.959699]  [<ffffffff810662f4>] ? handle_irq_event_percpu+0x25/0x114
>[   76.959701]  [<ffffffff81066411>] ? handle_irq_event+0x2e/0x4d
>[   76.959703]  [<ffffffff81068718>] ? handle_edge_irq+0xbb/0xde
>[   76.959705]  [<ffffffff8100396d>] ? handle_irq+0x15/0x20
>[   76.959707]  [<ffffffff8100361d>] ? do_IRQ+0x41/0xa6
>[   76.959709]  [<ffffffff8171706a>] ? common_interrupt+0x6a/0x6a
>[   76.959709]  <EOI>  [<ffffffff8163756b>] ? cpuidle_enter_state+0x43/0xa6
>[   76.959712]  [<ffffffff81637564>] ? cpuidle_enter_state+0x3c/0xa6
>[   76.959714]  [<ffffffff81637692>] ? cpuidle_idle_call+0xc4/0x10a
>[   76.959717]  [<ffffffff810088d1>] ? arch_cpu_idle+0x6/0x19
>[   76.959718]  [<ffffffff81065beb>] ? cpu_startup_entry+0xa7/0x124
>[   76.959720]  [<ffffffff81b5cc8e>] ? start_kernel+0x3a3/0x3ae
>[   76.959722]  [<ffffffff81b5c703>] ? repair_env_string+0x57/0x57
>[   76.959723] ---[ end trace 104a57d4d9227ad8 ]---
>[   76.959725] ------------[ cut here ]------------
>[   76.959731] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[   76.959731] Device suspended
>[   76.959732] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.959744] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.959749] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.959753]  0000000000000000 0000000000000009 ffffffff8171193b ffff880150203dd8
>[   76.959769]  ffffffff810331ce ffff880146528000 ffffffffa008c39a 00000000000c400c
>[   76.959785]  ffff880146528000 0000000000044018 ffff880146528070 0000000000000000
>[   76.959801] Call Trace:
>[   76.959805]  <IRQ>  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.959821]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.959832]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.959835]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.959841]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.959848]  [<ffffffffa0085ea4>] ? ironlake_irq_handler+0xcc/0xbbf [i915]
>[   76.959850]  [<ffffffff8105b093>] ? __wake_up+0x35/0x46
>[   76.959852]  [<ffffffff810662f4>] ? handle_irq_event_percpu+0x25/0x114
>[   76.959854]  [<ffffffff81066411>] ? handle_irq_event+0x2e/0x4d
>[   76.959856]  [<ffffffff81068718>] ? handle_edge_irq+0xbb/0xde
>[   76.959858]  [<ffffffff8100396d>] ? handle_irq+0x15/0x20
>[   76.959860]  [<ffffffff8100361d>] ? do_IRQ+0x41/0xa6
>[   76.959861]  [<ffffffff8171706a>] ? common_interrupt+0x6a/0x6a
>[   76.959862]  <EOI>  [<ffffffff8163756b>] ? cpuidle_enter_state+0x43/0xa6
>[   76.959865]  [<ffffffff81637564>] ? cpuidle_enter_state+0x3c/0xa6
>[   76.959867]  [<ffffffff81637692>] ? cpuidle_idle_call+0xc4/0x10a
>[   76.959869]  [<ffffffff810088d1>] ? arch_cpu_idle+0x6/0x19
>[   76.959871]  [<ffffffff81065beb>] ? cpu_startup_entry+0xa7/0x124
>[   76.959873]  [<ffffffff81b5cc8e>] ? start_kernel+0x3a3/0x3ae
>[   76.959875]  [<ffffffff81b5c703>] ? repair_env_string+0x57/0x57
>[   76.959876] ---[ end trace 104a57d4d9227ad9 ]---
>[   76.959877] ------------[ cut here ]------------
>[   76.959883] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[   76.959883] Device suspended
>[   76.959884] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.959894] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.959895] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.959896]  0000000000000000 0000000000000009 ffffffff8171193b ffff880150203dd8
>[   76.959898]  ffffffff810331ce ffff880146528000 ffffffffa008c39a 00000000000c400c
>[   76.959900]  ffff880146528000 0000000000044008 ffff880146528070 0000000000000000
>[   76.959902] Call Trace:
>[   76.959903]  <IRQ>  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.959907]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.959913]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.959915]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.959928]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.959940]  [<ffffffffa0085f21>] ? ironlake_irq_handler+0x149/0xbbf [i915]
>[   76.959949]  [<ffffffff8105b093>] ? __wake_up+0x35/0x46
>[   76.959957]  [<ffffffff810662f4>] ? handle_irq_event_percpu+0x25/0x114
>[   76.959965]  [<ffffffff81066411>] ? handle_irq_event+0x2e/0x4d
>[   76.959973]  [<ffffffff81068718>] ? handle_edge_irq+0xbb/0xde
>[   76.959981]  [<ffffffff8100396d>] ? handle_irq+0x15/0x20
>[   76.959989]  [<ffffffff8100361d>] ? do_IRQ+0x41/0xa6
>[   76.959997]  [<ffffffff8171706a>] ? common_interrupt+0x6a/0x6a
>[   76.960001]  <EOI>  [<ffffffff8163756b>] ? cpuidle_enter_state+0x43/0xa6
>[   76.960014]  [<ffffffff81637564>] ? cpuidle_enter_state+0x3c/0xa6
>[   76.960016]  [<ffffffff81637692>] ? cpuidle_idle_call+0xc4/0x10a
>[   76.960018]  [<ffffffff810088d1>] ? arch_cpu_idle+0x6/0x19
>[   76.960020]  [<ffffffff81065beb>] ? cpu_startup_entry+0xa7/0x124
>[   76.960022]  [<ffffffff81b5cc8e>] ? start_kernel+0x3a3/0x3ae
>[   76.960023]  [<ffffffff81b5c703>] ? repair_env_string+0x57/0x57
>[   76.960024] ---[ end trace 104a57d4d9227ada ]---
>[   76.960026] ------------[ cut here ]------------
>[   76.960032] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[   76.960032] Device suspended
>[   76.960033] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.960043] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.960044] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.960045]  0000000000000000 0000000000000009 ffffffff8171193b ffff880150203dd8
>[   76.960047]  ffffffff810331ce ffff880146528000 ffffffffa008c39a 00000000000c400c
>[   76.960049]  ffff880146528000 00000000000c4008 ffff880146528070 ffff880146528000
>[   76.960051] Call Trace:
>[   76.960051]  <IRQ>  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.960055]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.960061]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.960064]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.960070]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.960076]  [<ffffffffa00861d4>] ? ironlake_irq_handler+0x3fc/0xbbf [i915]
>[   76.960079]  [<ffffffff8105b093>] ? __wake_up+0x35/0x46
>[   76.960081]  [<ffffffff810662f4>] ? handle_irq_event_percpu+0x25/0x114
>[   76.960083]  [<ffffffff81066411>] ? handle_irq_event+0x2e/0x4d
>[   76.960085]  [<ffffffff81068718>] ? handle_edge_irq+0xbb/0xde
>[   76.960086]  [<ffffffff8100396d>] ? handle_irq+0x15/0x20
>[   76.960088]  [<ffffffff8100361d>] ? do_IRQ+0x41/0xa6
>[   76.960090]  [<ffffffff8171706a>] ? common_interrupt+0x6a/0x6a
>[   76.960091]  <EOI>  [<ffffffff8163756b>] ? cpuidle_enter_state+0x43/0xa6
>[   76.960098]  [<ffffffff81637564>] ? cpuidle_enter_state+0x3c/0xa6
>[   76.960106]  [<ffffffff81637692>] ? cpuidle_idle_call+0xc4/0x10a
>[   76.960115]  [<ffffffff810088d1>] ? arch_cpu_idle+0x6/0x19
>[   76.960123]  [<ffffffff81065beb>] ? cpu_startup_entry+0xa7/0x124
>[   76.960131]  [<ffffffff81b5cc8e>] ? start_kernel+0x3a3/0x3ae
>[   76.960138]  [<ffffffff81b5c703>] ? repair_env_string+0x57/0x57
>[   76.960143] ---[ end trace 104a57d4d9227adb ]---
>[   76.960155] ------------[ cut here ]------------
>[   76.960164] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/i915/intel_uncore.c:47 hsw_write32+0x20/0x9b [i915]()
>[   76.960167] Device suspended
>[   76.960168] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.960178] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.960179] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.960180]  0000000000000000 0000000000000009 ffffffff8171193b ffff880150203db8
>[   76.960182]  ffffffff810331ce 0000000000000002 ffffffffa008c874 0000000000000000
>[   76.960184]  00000000000c4008 ffff880146528000 0000000000020000 ffff880146528070
>[   76.960185] Call Trace:
>[   76.960186]  <IRQ>  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.960190]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.960196]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.960199]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.960205]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.960211]  [<ffffffffa00861f8>] ? ironlake_irq_handler+0x420/0xbbf [i915]
>[   76.960214]  [<ffffffff8105b093>] ? __wake_up+0x35/0x46
>[   76.960216]  [<ffffffff810662f4>] ? handle_irq_event_percpu+0x25/0x114
>[   76.960218]  [<ffffffff81066411>] ? handle_irq_event+0x2e/0x4d
>[   76.960220]  [<ffffffff81068718>] ? handle_edge_irq+0xbb/0xde
>[   76.960221]  [<ffffffff8100396d>] ? handle_irq+0x15/0x20
>[   76.960223]  [<ffffffff8100361d>] ? do_IRQ+0x41/0xa6
>[   76.960225]  [<ffffffff8171706a>] ? common_interrupt+0x6a/0x6a
>[   76.960226]  <EOI>  [<ffffffff8163756b>] ? cpuidle_enter_state+0x43/0xa6
>[   76.960229]  [<ffffffff81637564>] ? cpuidle_enter_state+0x3c/0xa6
>[   76.960237]  [<ffffffff81637692>] ? cpuidle_idle_call+0xc4/0x10a
>[   76.960246]  [<ffffffff810088d1>] ? arch_cpu_idle+0x6/0x19
>[   76.960253]  [<ffffffff81065beb>] ? cpu_startup_entry+0xa7/0x124
>[   76.960254]  [<ffffffff81b5cc8e>] ? start_kernel+0x3a3/0x3ae
>[   76.960256]  [<ffffffff81b5c703>] ? repair_env_string+0x57/0x57
>[   76.960257] ---[ end trace 104a57d4d9227adc ]---
>[   76.960264] ------------[ cut here ]------------
>[   76.960270] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/i915/intel_uncore.c:47 hsw_write32+0x20/0x9b [i915]()
>[   76.960271] Device suspended
>[   76.960272] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.960287] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.960288] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.960292]  0000000000000000 0000000000000009 ffffffff8171193b ffff880150203db8
>[   76.960294]  ffffffff810331ce 0000000000000002 ffffffffa008c874 0000000000000000
>[   76.960296]  0000000000044008 ffff880146528000 0000000000000001 ffff880146528070
>[   76.960298] Call Trace:
>[   76.960298]  <IRQ>  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.960302]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.960313]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.960315]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.960322]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.960328]  [<ffffffffa00868c6>] ? ironlake_irq_handler+0xaee/0xbbf [i915]
>[   76.960330]  [<ffffffff8105b093>] ? __wake_up+0x35/0x46
>[   76.960332]  [<ffffffff810662f4>] ? handle_irq_event_percpu+0x25/0x114
>[   76.960334]  [<ffffffff81066411>] ? handle_irq_event+0x2e/0x4d
>[   76.960336]  [<ffffffff81068718>] ? handle_edge_irq+0xbb/0xde
>[   76.960338]  [<ffffffff8100396d>] ? handle_irq+0x15/0x20
>[   76.960340]  [<ffffffff8100361d>] ? do_IRQ+0x41/0xa6
>[   76.960341]  [<ffffffff8171706a>] ? common_interrupt+0x6a/0x6a
>[   76.960342]  <EOI>  [<ffffffff8163756b>] ? cpuidle_enter_state+0x43/0xa6
>[   76.960345]  [<ffffffff81637564>] ? cpuidle_enter_state+0x3c/0xa6
>[   76.960347]  [<ffffffff81637692>] ? cpuidle_idle_call+0xc4/0x10a
>[   76.960350]  [<ffffffff810088d1>] ? arch_cpu_idle+0x6/0x19
>[   76.960351]  [<ffffffff81065beb>] ? cpu_startup_entry+0xa7/0x124
>[   76.960353]  [<ffffffff81b5cc8e>] ? start_kernel+0x3a3/0x3ae
>[   76.960355]  [<ffffffff81b5c703>] ? repair_env_string+0x57/0x57
>[   76.960356] ---[ end trace 104a57d4d9227add ]---
>[   76.960357] ------------[ cut here ]------------
>[   76.960363] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[   76.960364] Device suspended
>[   76.960364] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.960374] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.960375] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.960376]  0000000000000000 0000000000000009 ffffffff8171193b ffff880150203dd8
>[   76.960378]  ffffffff810331ce ffff880146528000 ffffffffa008c39a 0000000000044008
>[   76.960380]  ffff880146528000 0000000000044028 ffff880146528070 ffff880146528000
>[   76.960382] Call Trace:
>[   76.960383]  <IRQ>  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.960387]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.960393]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.960395]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.960401]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.960407]  [<ffffffffa00868e6>] ? ironlake_irq_handler+0xb0e/0xbbf [i915]
>[   76.960410]  [<ffffffff8105b093>] ? __wake_up+0x35/0x46
>[   76.960412]  [<ffffffff810662f4>] ? handle_irq_event_percpu+0x25/0x114
>[   76.960414]  [<ffffffff81066411>] ? handle_irq_event+0x2e/0x4d
>[   76.960416]  [<ffffffff81068718>] ? handle_edge_irq+0xbb/0xde
>[   76.960418]  [<ffffffff8100396d>] ? handle_irq+0x15/0x20
>[   76.960419]  [<ffffffff8100361d>] ? do_IRQ+0x41/0xa6
>[   76.960421]  [<ffffffff8171706a>] ? common_interrupt+0x6a/0x6a
>[   76.960422]  <EOI>  [<ffffffff8163756b>] ? cpuidle_enter_state+0x43/0xa6
>[   76.960425]  [<ffffffff81637564>] ? cpuidle_enter_state+0x3c/0xa6
>[   76.960427]  [<ffffffff81637692>] ? cpuidle_idle_call+0xc4/0x10a
>[   76.960429]  [<ffffffff810088d1>] ? arch_cpu_idle+0x6/0x19
>[   76.960431]  [<ffffffff81065beb>] ? cpu_startup_entry+0xa7/0x124
>[   76.960433]  [<ffffffff81b5cc8e>] ? start_kernel+0x3a3/0x3ae
>[   76.960434]  [<ffffffff81b5c703>] ? repair_env_string+0x57/0x57
>[   76.960436] ---[ end trace 104a57d4d9227ade ]---
>[   76.960437] ------------[ cut here ]------------
>[   76.960442] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/i915/intel_uncore.c:47 hsw_write32+0x20/0x9b [i915]()
>[   76.960443] Device suspended
>[   76.960444] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.960454] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.960455] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.960456]  0000000000000000 0000000000000009 ffffffff8171193b ffff880150203db8
>[   76.960457]  ffffffff810331ce 0000000000000002 ffffffffa008c874 0000000000000000
>[   76.960459]  000000000004400c ffff880146528000 0000000000000001 ffff880146528070
>[   76.960461] Call Trace:
>[   76.960462]  <IRQ>  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.960466]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.960472]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.960475]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.960481]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.960487]  [<ffffffffa008692a>] ? ironlake_irq_handler+0xb52/0xbbf [i915]
>[   76.960490]  [<ffffffff8105b093>] ? __wake_up+0x35/0x46
>[   76.960492]  [<ffffffff810662f4>] ? handle_irq_event_percpu+0x25/0x114
>[   76.960493]  [<ffffffff81066411>] ? handle_irq_event+0x2e/0x4d
>[   76.960495]  [<ffffffff81068718>] ? handle_edge_irq+0xbb/0xde
>[   76.960497]  [<ffffffff8100396d>] ? handle_irq+0x15/0x20
>[   76.960499]  [<ffffffff8100361d>] ? do_IRQ+0x41/0xa6
>[   76.960501]  [<ffffffff8171706a>] ? common_interrupt+0x6a/0x6a
>[   76.960502]  <EOI>  [<ffffffff8163756b>] ? cpuidle_enter_state+0x43/0xa6
>[   76.960504]  [<ffffffff81637564>] ? cpuidle_enter_state+0x3c/0xa6
>[   76.960506]  [<ffffffff81637692>] ? cpuidle_idle_call+0xc4/0x10a
>[   76.960509]  [<ffffffff810088d1>] ? arch_cpu_idle+0x6/0x19
>[   76.960511]  [<ffffffff81065beb>] ? cpu_startup_entry+0xa7/0x124
>[   76.960512]  [<ffffffff81b5cc8e>] ? start_kernel+0x3a3/0x3ae
>[   76.960514]  [<ffffffff81b5c703>] ? repair_env_string+0x57/0x57
>[   76.960515] ---[ end trace 104a57d4d9227adf ]---
>[   76.960516] ------------[ cut here ]------------
>[   76.960522] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[   76.960523] Device suspended
>[   76.960524] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.960533] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.960534] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.960535]  0000000000000000 0000000000000009 ffffffff8171193b ffff880150203dd8
>[   76.960537]  ffffffff810331ce ffff880146528000 ffffffffa008c39a 000000000004400c
>[   76.960539]  ffff880146528000 000000000004400c ffff880146528070 0000000000000000
>[   76.960541] Call Trace:
>[   76.960542]  <IRQ>  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.960546]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.960552]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.960554]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.960561]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.960567]  [<ffffffffa008693a>] ? ironlake_irq_handler+0xb62/0xbbf [i915]
>[   76.960569]  [<ffffffff8105b093>] ? __wake_up+0x35/0x46
>[   76.960571]  [<ffffffff810662f4>] ? handle_irq_event_percpu+0x25/0x114
>[   76.960573]  [<ffffffff81066411>] ? handle_irq_event+0x2e/0x4d
>[   76.960575]  [<ffffffff81068718>] ? handle_edge_irq+0xbb/0xde
>[   76.960577]  [<ffffffff8100396d>] ? handle_irq+0x15/0x20
>[   76.960579]  [<ffffffff8100361d>] ? do_IRQ+0x41/0xa6
>[   76.960580]  [<ffffffff8171706a>] ? common_interrupt+0x6a/0x6a
>[   76.960581]  <EOI>  [<ffffffff8163756b>] ? cpuidle_enter_state+0x43/0xa6
>[   76.960584]  [<ffffffff81637564>] ? cpuidle_enter_state+0x3c/0xa6
>[   76.960586]  [<ffffffff81637692>] ? cpuidle_idle_call+0xc4/0x10a
>[   76.960589]  [<ffffffff810088d1>] ? arch_cpu_idle+0x6/0x19
>[   76.960590]  [<ffffffff81065beb>] ? cpu_startup_entry+0xa7/0x124
>[   76.960592]  [<ffffffff81b5cc8e>] ? start_kernel+0x3a3/0x3ae
>[   76.960594]  [<ffffffff81b5c703>] ? repair_env_string+0x57/0x57
>[   76.960595] ---[ end trace 104a57d4d9227ae0 ]---
>[   76.960596] ------------[ cut here ]------------
>[   76.960602] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/i915/intel_uncore.c:47 hsw_write32+0x20/0x9b [i915]()
>[   76.960603] Device suspended
>[   76.960603] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.960613] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.960614] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.960615]  0000000000000000 0000000000000009 ffffffff8171193b ffff880150203db8
>[   76.960617]  ffffffff810331ce 0000000000000002 ffffffffa008c874 0000000000000000
>[   76.960619]  00000000000c400c ffff880146528000 0000000000000001 ffff880146528070
>[   76.960621] Call Trace:
>[   76.960621]  <IRQ>  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.960625]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.960631]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.960634]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.960640]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.960647]  [<ffffffffa0086961>] ? ironlake_irq_handler+0xb89/0xbbf [i915]
>[   76.960649]  [<ffffffff8105b093>] ? __wake_up+0x35/0x46
>[   76.960651]  [<ffffffff810662f4>] ? handle_irq_event_percpu+0x25/0x114
>[   76.960653]  [<ffffffff81066411>] ? handle_irq_event+0x2e/0x4d
>[   76.960655]  [<ffffffff81068718>] ? handle_edge_irq+0xbb/0xde
>[   76.960657]  [<ffffffff8100396d>] ? handle_irq+0x15/0x20
>[   76.960658]  [<ffffffff8100361d>] ? do_IRQ+0x41/0xa6
>[   76.960660]  [<ffffffff8171706a>] ? common_interrupt+0x6a/0x6a
>[   76.960661]  <EOI>  [<ffffffff8163756b>] ? cpuidle_enter_state+0x43/0xa6
>[   76.960664]  [<ffffffff81637564>] ? cpuidle_enter_state+0x3c/0xa6
>[   76.960666]  [<ffffffff81637692>] ? cpuidle_idle_call+0xc4/0x10a
>[   76.960669]  [<ffffffff810088d1>] ? arch_cpu_idle+0x6/0x19
>[   76.960670]  [<ffffffff81065beb>] ? cpu_startup_entry+0xa7/0x124
>[   76.960672]  [<ffffffff81b5cc8e>] ? start_kernel+0x3a3/0x3ae
>[   76.960674]  [<ffffffff81b5c703>] ? repair_env_string+0x57/0x57
>[   76.960675] ---[ end trace 104a57d4d9227ae1 ]---
>[   76.960682] ------------[ cut here ]------------
>[   76.960687] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[   76.960688] Device suspended
>[   76.960689] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.960699] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.960700] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.960701]  0000000000000000 0000000000000009 ffffffff8171193b ffff880150203dd8
>[   76.960703]  ffffffff810331ce ffff880146528000 ffffffffa008c39a 00000000000c400c
>[   76.960704]  ffff880146528000 00000000000c400c ffff880146528070 0000000000000000
>[   76.960706] Call Trace:
>[   76.960707]  <IRQ>  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.960711]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.960717]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.960720]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.960726]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.960732]  [<ffffffffa0086971>] ? ironlake_irq_handler+0xb99/0xbbf [i915]
>[   76.960735]  [<ffffffff8105b093>] ? __wake_up+0x35/0x46
>[   76.960737]  [<ffffffff810662f4>] ? handle_irq_event_percpu+0x25/0x114
>[   76.960738]  [<ffffffff81066411>] ? handle_irq_event+0x2e/0x4d
>[   76.960740]  [<ffffffff81068718>] ? handle_edge_irq+0xbb/0xde
>[   76.960742]  [<ffffffff8100396d>] ? handle_irq+0x15/0x20
>[   76.960744]  [<ffffffff8100361d>] ? do_IRQ+0x41/0xa6
>[   76.960746]  [<ffffffff8171706a>] ? common_interrupt+0x6a/0x6a
>[   76.960747]  <EOI>  [<ffffffff8163756b>] ? cpuidle_enter_state+0x43/0xa6
>[   76.960750]  [<ffffffff81637564>] ? cpuidle_enter_state+0x3c/0xa6
>[   76.960751]  [<ffffffff81637692>] ? cpuidle_idle_call+0xc4/0x10a
>[   76.960754]  [<ffffffff810088d1>] ? arch_cpu_idle+0x6/0x19
>[   76.960756]  [<ffffffff81065beb>] ? cpu_startup_entry+0xa7/0x124
>[   76.960757]  [<ffffffff81b5cc8e>] ? start_kernel+0x3a3/0x3ae
>[   76.960759]  [<ffffffff81b5c703>] ? repair_env_string+0x57/0x57
>[   76.960760] ---[ end trace 104a57d4d9227ae2 ]---
>[   76.960849] ------------[ cut here ]------------
>[   76.960856] WARNING: CPU: 0 PID: 723 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[   76.960857] Device suspended
>[   76.960857] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.960867] CPU: 0 PID: 723 Comm: kworker/0:1 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.960869] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.960875] Workqueue: events i915_hotplug_work_func [i915]
>[   76.960876]  0000000000000000 0000000000000009 ffffffff8171193b ffff88014ab49a78
>[   76.960878]  ffffffff810331ce ffff88014ab49ab0 ffffffffa008c39a 0000000000000286
>[   76.960880]  ffff880146528000 00000000000c5108 ffff880146528070 0000000000000800
>[   76.960882] Call Trace:
>[   76.960884]  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.960887]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.960893]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.960895]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.960898]  [<ffffffff81713d61>] ? schedule_timeout+0x151/0x16d
>[   76.960904]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.960911]  [<ffffffffa00b7f71>] ? gmbus_wait_hw_status+0xc3/0x14f [i915]
>[   76.960920]  [<ffffffff8105b31b>] ? __wake_up_sync+0x7/0x7
>[   76.960932]  [<ffffffffa00b805e>] ? gmbus_xfer_read+0x61/0x9d [i915]
>[   76.960945]  [<ffffffffa00b83f6>] ? gmbus_xfer+0x14b/0x4a3 [i915]
>[   76.960954]  [<ffffffff8161b668>] ? __i2c_transfer+0x2d/0x55
>[   76.960962]  [<ffffffff8161bd81>] ? i2c_transfer+0x53/0x7a
>[   76.960973]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.960983]  [<ffffffffa0012e22>] ? drm_get_edid+0x104/0x240 [drm]
>[   76.960996]  [<ffffffffa00b67c4>] ? intel_hdmi_detect+0x92/0x120 [i915]
>[   76.961009]  [<ffffffffa00828ad>] ? i915_hotplug_work_func+0x211/0x2b5 [i915]
>[   76.961017]  [<ffffffff8104487b>] ? process_one_work+0x1bc/0x2ed
>[   76.961026]  [<ffffffff810427f8>] ? pwq_activate_delayed_work+0x1e/0x28
>[   76.961029]  [<ffffffff81044de9>] ? worker_thread+0x1c7/0x2bc
>[   76.961031]  [<ffffffff81044c22>] ? rescuer_thread+0x251/0x251
>[   76.961034]  [<ffffffff81049882>] ? kthread+0xc5/0xcd
>[   76.961036]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.961039]  [<ffffffff8171be7c>] ? ret_from_fork+0x7c/0xb0
>[   76.961041]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.961043] ---[ end trace 104a57d4d9227ae3 ]---
>[   76.961044] ------------[ cut here ]------------
>[   76.961050] WARNING: CPU: 0 PID: 723 at drivers/gpu/drm/i915/intel_uncore.c:47 hsw_write32+0x20/0x9b [i915]()
>[   76.961051] Device suspended
>[   76.961052] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.961062] CPU: 0 PID: 723 Comm: kworker/0:1 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.961063] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.961069] Workqueue: events i915_hotplug_work_func [i915]
>[   76.961070]  0000000000000000 0000000000000009 ffffffff8171193b ffff88014ab49a58
>[   76.961072]  ffffffff810331ce 0000000000000002 ffffffffa008c874 0000000000000000
>[   76.961074]  00000000000c5110 ffff880146528000 0000000000000001 ffff880146528070
>[   76.961076] Call Trace:
>[   76.961081]  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.961090]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.961101]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.961103]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.961110]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.961119]  [<ffffffffa00b7fd4>] ? gmbus_wait_hw_status+0x126/0x14f [i915]
>[   76.961121]  [<ffffffff8105b31b>] ? __wake_up_sync+0x7/0x7
>[   76.961127]  [<ffffffffa00b805e>] ? gmbus_xfer_read+0x61/0x9d [i915]
>[   76.961134]  [<ffffffffa00b83f6>] ? gmbus_xfer+0x14b/0x4a3 [i915]
>[   76.961137]  [<ffffffff8161b668>] ? __i2c_transfer+0x2d/0x55
>[   76.961139]  [<ffffffff8161bd81>] ? i2c_transfer+0x53/0x7a
>[   76.961144]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.961148]  [<ffffffffa0012e22>] ? drm_get_edid+0x104/0x240 [drm]
>[   76.961155]  [<ffffffffa00b67c4>] ? intel_hdmi_detect+0x92/0x120 [i915]
>[   76.961162]  [<ffffffffa00828ad>] ? i915_hotplug_work_func+0x211/0x2b5 [i915]
>[   76.961164]  [<ffffffff8104487b>] ? process_one_work+0x1bc/0x2ed
>[   76.961166]  [<ffffffff810427f8>] ? pwq_activate_delayed_work+0x1e/0x28
>[   76.961168]  [<ffffffff81044de9>] ? worker_thread+0x1c7/0x2bc
>[   76.961170]  [<ffffffff81044c22>] ? rescuer_thread+0x251/0x251
>[   76.961173]  [<ffffffff81049882>] ? kthread+0xc5/0xcd
>[   76.961175]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.961178]  [<ffffffff8171be7c>] ? ret_from_fork+0x7c/0xb0
>[   76.961180]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.961181] ---[ end trace 104a57d4d9227ae4 ]---
>[   76.961183] ------------[ cut here ]------------
>[   76.961189] WARNING: CPU: 0 PID: 723 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[   76.961190] Device suspended
>[   76.961191] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.961200] CPU: 0 PID: 723 Comm: kworker/0:1 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.961202] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.961207] Workqueue: events i915_hotplug_work_func [i915]
>[   76.961208]  0000000000000000 0000000000000009 ffffffff8171193b ffff88014ab49af8
>[   76.961210]  ffffffff810331ce ffff880100000000 ffffffffa008c39a 0000000000000292
>[   76.961212]  ffff880146528000 00000000000c510c ffff880146528070 00000000000c510c
>[   76.961214] Call Trace:
>[   76.961216]  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.961219]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.961225]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.961227]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.961233]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.961240]  [<ffffffffa00b8073>] ? gmbus_xfer_read+0x76/0x9d [i915]
>[   76.961246]  [<ffffffffa00b83f6>] ? gmbus_xfer+0x14b/0x4a3 [i915]
>[   76.961249]  [<ffffffff8161b668>] ? __i2c_transfer+0x2d/0x55
>[   76.961251]  [<ffffffff8161bd81>] ? i2c_transfer+0x53/0x7a
>[   76.961256]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.961275]  [<ffffffffa0012e22>] ? drm_get_edid+0x104/0x240 [drm]
>[   76.961281]  [<ffffffffa00b67c4>] ? intel_hdmi_detect+0x92/0x120 [i915]
>[   76.961288]  [<ffffffffa00828ad>] ? i915_hotplug_work_func+0x211/0x2b5 [i915]
>[   76.961290]  [<ffffffff8104487b>] ? process_one_work+0x1bc/0x2ed
>[   76.961293]  [<ffffffff810427f8>] ? pwq_activate_delayed_work+0x1e/0x28
>[   76.961295]  [<ffffffff81044de9>] ? worker_thread+0x1c7/0x2bc
>[   76.961297]  [<ffffffff81044c22>] ? rescuer_thread+0x251/0x251
>[   76.961299]  [<ffffffff81049882>] ? kthread+0xc5/0xcd
>[   76.961302]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.961304]  [<ffffffff8171be7c>] ? ret_from_fork+0x7c/0xb0
>[   76.961306]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.961308] ---[ end trace 104a57d4d9227ae5 ]---
>[   76.961322] ------------[ cut here ]------------
>[   76.961328] WARNING: CPU: 0 PID: 723 at drivers/gpu/drm/i915/intel_uncore.c:47 hsw_write32+0x20/0x9b [i915]()
>[   76.961329] Device suspended
>[   76.961330] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.961340] CPU: 0 PID: 723 Comm: kworker/0:1 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.961341] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.961346] Workqueue: events i915_hotplug_work_func [i915]
>[   76.961347]  0000000000000000 0000000000000009 ffffffff8171193b ffff88014ab49a58
>[   76.961349]  ffffffff810331ce ffff8801501fffc0 ffffffffa008c874 ffff880146528000
>[   76.961351]  00000000000c5110 ffff880146528000 ffff880149446984 ffff880146528070
>[   76.961353] Call Trace:
>[   76.961355]  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.961358]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.961364]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.961367]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.961373]  [<ffffffffa008b915>] ? assert_device_not_suspended+0x17/0x34 [i915]
>[   76.961379]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.961385]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.961391]  [<ffffffffa00b7f3b>] ? gmbus_wait_hw_status+0x8d/0x14f [i915]
>[   76.961393]  [<ffffffff8105b31b>] ? __wake_up_sync+0x7/0x7
>[   76.961400]  [<ffffffffa00b805e>] ? gmbus_xfer_read+0x61/0x9d [i915]
>[   76.961406]  [<ffffffffa00b83f6>] ? gmbus_xfer+0x14b/0x4a3 [i915]
>[   76.961409]  [<ffffffff8161b668>] ? __i2c_transfer+0x2d/0x55
>[   76.961411]  [<ffffffff8161bd81>] ? i2c_transfer+0x53/0x7a
>[   76.961416]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.961420]  [<ffffffffa0012e22>] ? drm_get_edid+0x104/0x240 [drm]
>[   76.961427]  [<ffffffffa00b67c4>] ? intel_hdmi_detect+0x92/0x120 [i915]
>[   76.961433]  [<ffffffffa00828ad>] ? i915_hotplug_work_func+0x211/0x2b5 [i915]
>[   76.961436]  [<ffffffff8104487b>] ? process_one_work+0x1bc/0x2ed
>[   76.961438]  [<ffffffff810427f8>] ? pwq_activate_delayed_work+0x1e/0x28
>[   76.961440]  [<ffffffff81044de9>] ? worker_thread+0x1c7/0x2bc
>[   76.961442]  [<ffffffff81044c22>] ? rescuer_thread+0x251/0x251
>[   76.961444]  [<ffffffff81049882>] ? kthread+0xc5/0xcd
>[   76.961447]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.961449]  [<ffffffff8171be7c>] ? ret_from_fork+0x7c/0xb0
>[   76.961452]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.961453] ---[ end trace 104a57d4d9227ae6 ]---
>[   76.961455] ------------[ cut here ]------------
>[   76.961461] WARNING: CPU: 0 PID: 723 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[   76.961462] Device suspended
>[   76.961462] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.961472] CPU: 0 PID: 723 Comm: kworker/0:1 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.961473] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.961479] Workqueue: events i915_hotplug_work_func [i915]
>[   76.961480]  0000000000000000 0000000000000009 ffffffff8171193b ffff88014ab49a78
>[   76.961482]  ffffffff810331ce ffff880146528000 ffffffffa008c39a 00000000000c5110
>[   76.961484]  ffff880146528000 00000000000c5108 ffff880146528070 0000000000000800
>[   76.961486] Call Trace:
>[   76.961488]  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.961491]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.961497]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.961499]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.961512]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.961518]  [<ffffffffa00b7f71>] ? gmbus_wait_hw_status+0xc3/0x14f [i915]
>[   76.961520]  [<ffffffff8105b31b>] ? __wake_up_sync+0x7/0x7
>[   76.961527]  [<ffffffffa00b805e>] ? gmbus_xfer_read+0x61/0x9d [i915]
>[   76.961533]  [<ffffffffa00b83f6>] ? gmbus_xfer+0x14b/0x4a3 [i915]
>[   76.961548]  [<ffffffff8161b668>] ? __i2c_transfer+0x2d/0x55
>[   76.961550]  [<ffffffff8161bd81>] ? i2c_transfer+0x53/0x7a
>[   76.961555]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.961559]  [<ffffffffa0012e22>] ? drm_get_edid+0x104/0x240 [drm]
>[   76.961566]  [<ffffffffa00b67c4>] ? intel_hdmi_detect+0x92/0x120 [i915]
>[   76.961573]  [<ffffffffa00828ad>] ? i915_hotplug_work_func+0x211/0x2b5 [i915]
>[   76.961575]  [<ffffffff8104487b>] ? process_one_work+0x1bc/0x2ed
>[   76.961577]  [<ffffffff810427f8>] ? pwq_activate_delayed_work+0x1e/0x28
>[   76.961579]  [<ffffffff81044de9>] ? worker_thread+0x1c7/0x2bc
>[   76.961581]  [<ffffffff81044c22>] ? rescuer_thread+0x251/0x251
>[   76.961584]  [<ffffffff81049882>] ? kthread+0xc5/0xcd
>[   76.961586]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.961589]  [<ffffffff8171be7c>] ? ret_from_fork+0x7c/0xb0
>[   76.961591]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.961592] ---[ end trace 104a57d4d9227ae7 ]---
>[   76.961600] ------------[ cut here ]------------
>[   76.961606] WARNING: CPU: 0 PID: 723 at drivers/gpu/drm/i915/intel_uncore.c:47 hsw_write32+0x20/0x9b [i915]()
>[   76.961607] Device suspended
>[   76.961608] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.961618] CPU: 0 PID: 723 Comm: kworker/0:1 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.961619] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.961624] Workqueue: events i915_hotplug_work_func [i915]
>[   76.961625]  0000000000000000 0000000000000009 ffffffff8171193b ffff88014ab49a58
>[   76.961627]  ffffffff810331ce 0000000000000002 ffffffffa008c874 0000000000000000
>[   76.961629]  00000000000c5110 ffff880146528000 0000000000000000 ffff880146528070
>[   76.961631] Call Trace:
>[   76.961633]  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.961636]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.961642]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.961645]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.961651]  [<ffffffffa008c874>] ? hsw_write32+0x20/0x9b [i915]
>[   76.961658]  [<ffffffffa00b7fd4>] ? gmbus_wait_hw_status+0x126/0x14f [i915]
>[   76.961659]  [<ffffffff8105b31b>] ? __wake_up_sync+0x7/0x7
>[   76.961666]  [<ffffffffa00b805e>] ? gmbus_xfer_read+0x61/0x9d [i915]
>[   76.961672]  [<ffffffffa00b83f6>] ? gmbus_xfer+0x14b/0x4a3 [i915]
>[   76.961675]  [<ffffffff8161b668>] ? __i2c_transfer+0x2d/0x55
>[   76.961677]  [<ffffffff8161bd81>] ? i2c_transfer+0x53/0x7a
>[   76.961682]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.961686]  [<ffffffffa0012e22>] ? drm_get_edid+0x104/0x240 [drm]
>[   76.961693]  [<ffffffffa00b67c4>] ? intel_hdmi_detect+0x92/0x120 [i915]
>[   76.961699]  [<ffffffffa00828ad>] ? i915_hotplug_work_func+0x211/0x2b5 [i915]
>[   76.961701]  [<ffffffff8104487b>] ? process_one_work+0x1bc/0x2ed
>[   76.961704]  [<ffffffff810427f8>] ? pwq_activate_delayed_work+0x1e/0x28
>[   76.961706]  [<ffffffff81044de9>] ? worker_thread+0x1c7/0x2bc
>[   76.961708]  [<ffffffff81044c22>] ? rescuer_thread+0x251/0x251
>[   76.961710]  [<ffffffff81049882>] ? kthread+0xc5/0xcd
>[   76.961713]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.961715]  [<ffffffff8171be7c>] ? ret_from_fork+0x7c/0xb0
>[   76.961718]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.961719] ---[ end trace 104a57d4d9227ae8 ]---
>[   76.961726] ------------[ cut here ]------------
>[   76.961732] WARNING: CPU: 0 PID: 723 at drivers/gpu/drm/i915/intel_uncore.c:47 gen6_read32+0x17/0x81 [i915]()
>[   76.961732] Device suspended
>[   76.961733] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   76.961800] CPU: 0 PID: 723 Comm: kworker/0:1 Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   76.961805] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   76.961814] Workqueue: events i915_hotplug_work_func [i915]
>[   76.961821]  0000000000000000 0000000000000009 ffffffff8171193b ffff88014ab49af8
>[   76.961827]  ffffffff810331ce 0000000000000000 ffffffffa008c39a 0000000000000292
>[   76.961829]  ffff880146528000 00000000000c510c ffff880146528070 00000000000c510c
>[   76.961831] Call Trace:
>[   76.961833]  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   76.961836]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   76.961842]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.961845]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   76.961851]  [<ffffffffa008c39a>] ? gen6_read32+0x17/0x81 [i915]
>[   76.961858]  [<ffffffffa00b8073>] ? gmbus_xfer_read+0x76/0x9d [i915]
>[   76.961864]  [<ffffffffa00b83f6>] ? gmbus_xfer+0x14b/0x4a3 [i915]
>[   76.961867]  [<ffffffff8161b668>] ? __i2c_transfer+0x2d/0x55
>[   76.961870]  [<ffffffff8161bd81>] ? i2c_transfer+0x53/0x7a
>[   76.961874]  [<ffffffffa0011a66>] ? drm_do_probe_ddc_edid+0xb8/0x10e [drm]
>[   76.961878]  [<ffffffffa0012e22>] ? drm_get_edid+0x104/0x240 [drm]
>[   76.961885]  [<ffffffffa00b67c4>] ? intel_hdmi_detect+0x92/0x120 [i915]
>[   76.961898]  [<ffffffffa00828ad>] ? i915_hotplug_work_func+0x211/0x2b5 [i915]
>[   76.961906]  [<ffffffff8104487b>] ? process_one_work+0x1bc/0x2ed
>[   76.961920]  [<ffffffff810427f8>] ? pwq_activate_delayed_work+0x1e/0x28
>[   76.961928]  [<ffffffff81044de9>] ? worker_thread+0x1c7/0x2bc
>[   76.961944]  [<ffffffff81044c22>] ? rescuer_thread+0x251/0x251
>[   76.961955]  [<ffffffff81049882>] ? kthread+0xc5/0xcd
>[   76.961963]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.961970]  [<ffffffff8171be7c>] ? ret_from_fork+0x7c/0xb0
>[   76.961973]  [<ffffffff810497bd>] ? kthread_freezable_should_stop+0x40/0x40
>[   76.961974] ---[ end trace 104a57d4d9227ae9 ]---
>[   76.962797] systemd[1]: Unit systemd-journald.service entered failed state.
>[   76.962835] systemd[1]: systemd-journald.service holdoff time over, scheduling restart.
>[   76.962861] systemd[1]: Stopping Journal Service...
>[   76.962905] systemd[1]: Starting Journal Service...
>[   76.963172] systemd[1]: Started Journal Service.
>[   76.963211] systemd[1]: Starting Trigger Flushing of Journal to Persistent Storage...
>[   77.173004] [drm:intel_pipe_config_compare] *ERROR* mismatch in pch_pfit.enabled (expected 0, found 1)
>[   77.173007] ------------[ cut here ]------------
>[   77.173025] WARNING: CPU: 1 PID: 3887 at drivers/gpu/drm/i915/intel_display.c:9578 check_crtc_state+0x7f9/0x840 [i915]()
>[   77.173027] pipe state doesn't match!
>[   77.173028] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support pcspkr i2c_i801 lpc_ich snd_hda_intel mfd_core snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm
>[   77.173042] CPU: 1 PID: 3887 Comm: testdisplay Tainted: G        W    3.13.0_drm-intel-next-queued_c2831a_20140308+ #558
>[   77.173044] Hardware name: Intel Corporation Shark Bay Client platform/Basking Ridge, BIOS HSWLPTU1.86C.0137.R00.1403031632 03/03/2014
>[   77.173045]  0000000000000000 0000000000000009 ffffffff8171193b ffff8800024c78a8
>[   77.173048]  ffffffff810331ce ffff8800024c78a0 ffffffffa00933a6 0000000000000001
>[   77.173050]  ffff88014aff7000 ffff880002c98000 ffff8800024c7938 ffff88014aff76d8
>[   77.173052] Call Trace:
>[   77.173057]  [<ffffffff8171193b>] ? dump_stack+0x41/0x51
>[   77.173063]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[   77.173071]  [<ffffffffa00933a6>] ? check_crtc_state+0x7f9/0x840 [i915]
>[   77.173074]  [<ffffffff8103327e>] ? warn_slowpath_fmt+0x45/0x4a
>[   77.173083]  [<ffffffffa00acaa6>] ? intel_ddi_get_config+0x1ac/0x25f [i915]
>[   77.173090]  [<ffffffffa00933a6>] ? check_crtc_state+0x7f9/0x840 [i915]
>[   77.173100]  [<ffffffffa009e921>] ? intel_modeset_check_state+0x359/0x60d [i915]
>[   77.173108]  [<ffffffffa009ebf2>] ? intel_set_mode+0x1d/0x27 [i915]
>[   77.173116]  [<ffffffffa009f7ce>] ? intel_crtc_set_config+0x73f/0xa45 [i915]
>[   77.173123]  [<ffffffffa000c934>] ? drm_mode_set_config_internal+0x44/0xac [drm]
>[   77.173129]  [<ffffffffa000ea72>] ? drm_mode_setcrtc+0x3ea/0x49a [drm]
>[   77.173134]  [<ffffffffa0002f37>] ? drm_ioctl+0x263/0x385 [drm]
>[   77.173138]  [<ffffffff8134ec51>] ? pty_write+0x44/0x4e
>[   77.173143]  [<ffffffffa000e688>] ? drm_mode_setplane+0x317/0x317 [drm]
>[   77.173148]  [<ffffffff810e92a0>] ? do_vfs_ioctl+0x3f1/0x43a
>[   77.173150]  [<ffffffff810e9337>] ? SyS_ioctl+0x4e/0x7b
>[   77.173153]  [<ffffffff8171bf22>] ? system_call_fastpath+0x16/0x1b
>[   77.173155] ---[ end trace 104a57d4d9227aea ]---

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Attachments on bug 76151: 95768 | 95781 | 99548

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