Attachment 112076 Details for Bug 88281 – dmesg while error occurs

dmesg while error occurs

dmesg (text/plain), 92.59 KB, created by Hudson on 2015-01-10 21:47:10 UTC

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Creator: Hudson

Created: 2015-01-10 21:47:10 UTC

Size: 92.59 KB

patch

obsolete

>[  421.115514] sd 5:0:0:0: [sdb] Test WP failed, assume Write Enabled
>[  421.117244] sd 5:0:0:0: [sdb] Asking for cache data failed
>[  421.117252] sd 5:0:0:0: [sdb] Assuming drive cache: write through
>[  433.992042] [drm] stuck on render ring
>[  433.992054] [drm] GPU crash dump saved to /sys/class/drm/card0/error
>[  433.992057] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace.
>[  433.992061] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel
>[  433.992064] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue.
>[  433.992068] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it.
>[  433.993944] [drm:i915_set_reset_status] *ERROR* render ring hung inside bo (0xd2e8000 ctx 0) at 0xd2e9170
>[  434.504059] [drm:i915_reset] *ERROR* Failed to reset chip.
>[  439.809347] Watchdog[4008]: segfault at 0 ip b635107f sp afc8acc0 error 6 in chrome[b21ea000+5537000]
>[  443.996060] [drm:i915_gem_wait_for_error] *ERROR* Timed out waiting for the gpu reset to complete
>[  444.052045] [drm] GMBUS [i915 gmbus vga] timed out, falling back to bit banging on pin 2
>[  444.079141] ------------[ cut here ]------------
>[  444.079185] WARNING: CPU: 1 PID: 1350 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:922 assert_pll+0x73/0x80 [i915]()
>[  444.079189] PLL state assertion failure (expected on, current off)
>[  444.079191] Modules linked in: ctr ccm bnep rfcomm bluetooth binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek hid_generic hid_logitech_dj snd_usb_audio usbhid snd_usbmidi_lib hid gpio_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwl3945 iwlegacy i915 snd_seq coretemp mac80211 snd_seq_device snd_timer drm_kms_helper snd joydev serio_raw cfg80211 soundcore drm lpc_ich i2c_algo_bit video mac_hid parport_pc ppdev lp parport ums_realtek usb_storage ahci psmouse libahci sky2
>[  444.079258] CPU: 1 PID: 1350 Comm: upowerd Not tainted 3.13.0-43-generic #72-Ubuntu
>[  444.079261] Hardware name:  /, BIOS 1.06A 04/24/2008
>[  444.079263]  00000000 00000000 ec98bbe0 c1655602 ec98bc20 ec98bc10 c105699e f8cad2d0
>[  444.079273]  ec98bc3c 00000546 f8cabc24 0000039a f8c58fa3 f8c58fa3 00000001 00000001
>[  444.079283]  00000000 ec98bc28 c10569f3 00000009 ec98bc20 f8cad2d0 ec98bc3c ec98bc4c
>[  444.079292] Call Trace:
>[  444.079303]  [<c1655602>] dump_stack+0x41/0x52
>[  444.079310]  [<c105699e>] warn_slowpath_common+0x7e/0xa0
>[  444.079340]  [<f8c58fa3>] ? assert_pll+0x73/0x80 [i915]
>[  444.079369]  [<f8c58fa3>] ? assert_pll+0x73/0x80 [i915]
>[  444.079375]  [<c10569f3>] warn_slowpath_fmt+0x33/0x40
>[  444.079403]  [<f8c58fa3>] assert_pll+0x73/0x80 [i915]
>[  444.079435]  [<f8c5e66a>] intel_crtc_load_lut+0x19a/0x1b0 [i915]
>[  444.079441]  [<c12fdbbd>] ? delay_tsc+0x3d/0x70
>[  444.079470]  [<f8c5e84b>] i9xx_crtc_enable+0x1cb/0x3a0 [i915]
>[  444.079500]  [<f8c60e9c>] __intel_set_mode+0x75c/0x8b0 [i915]
>[  444.079533]  [<f8c63b43>] intel_set_mode+0x23/0x40 [i915]
>[  444.079563]  [<f8c64f10>] intel_get_load_detect_pipe+0x230/0x3a0 [i915]
>[  444.079603]  [<f8c89ea5>] intel_tv_detect+0x125/0x510 [i915]
>[  444.079614]  [<c140ba50>] ? dev_uevent_name+0x30/0x30
>[  444.079636]  [<f8b368e7>] status_show+0x37/0x70 [drm]
>[  444.079655]  [<f8b368b0>] ? dpms_show+0x70/0x70 [drm]
>[  444.079661]  [<c140ba50>] ? dev_uevent_name+0x30/0x30
>[  444.079666]  [<c140ba68>] dev_attr_show+0x18/0x40
>[  444.079671]  [<c11dbf75>] sysfs_seq_show+0xe5/0x1c0
>[  444.079678]  [<c1198dce>] seq_read+0x9e/0x360
>[  444.079683]  [<c1198d30>] ? seq_lseek+0x190/0x190
>[  444.079688]  [<c117a1d8>] vfs_read+0x78/0x140
>[  444.079693]  [<c117a949>] SyS_read+0x49/0x90
>[  444.079698]  [<c166398d>] sysenter_do_call+0x12/0x12
>[  444.079701] ---[ end trace 119e63a4df1bf18c ]---
>[  444.079757] ------------[ cut here ]------------
>[  444.079786] WARNING: CPU: 1 PID: 1350 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:922 assert_pll+0x73/0x80 [i915]()
>[  444.079789] PLL state assertion failure (expected on, current off)
>[  444.079791] Modules linked in: ctr ccm bnep rfcomm bluetooth binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek hid_generic hid_logitech_dj snd_usb_audio usbhid snd_usbmidi_lib hid gpio_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwl3945 iwlegacy i915 snd_seq coretemp mac80211 snd_seq_device snd_timer drm_kms_helper snd joydev serio_raw cfg80211 soundcore drm lpc_ich i2c_algo_bit video mac_hid parport_pc ppdev lp parport ums_realtek usb_storage ahci psmouse libahci sky2
>[  444.079850] CPU: 1 PID: 1350 Comm: upowerd Tainted: G        W     3.13.0-43-generic #72-Ubuntu
>[  444.079852] Hardware name:  /, BIOS 1.06A 04/24/2008
>[  444.079854]  00000000 00000000 ec98bbe0 c1655602 ec98bc20 ec98bc10 c105699e f8cad2d0
>[  444.079863]  ec98bc3c 00000546 f8cabc24 0000039a f8c58fa3 f8c58fa3 00000001 00000001
>[  444.079872]  00000001 ec98bc28 c10569f3 00000009 ec98bc20 f8cad2d0 ec98bc3c ec98bc4c
>[  444.079882] Call Trace:
>[  444.079887]  [<c1655602>] dump_stack+0x41/0x52
>[  444.079892]  [<c105699e>] warn_slowpath_common+0x7e/0xa0
>[  444.079922]  [<f8c58fa3>] ? assert_pll+0x73/0x80 [i915]
>[  444.079950]  [<f8c58fa3>] ? assert_pll+0x73/0x80 [i915]
>[  444.079955]  [<c10569f3>] warn_slowpath_fmt+0x33/0x40
>[  444.079984]  [<f8c58fa3>] assert_pll+0x73/0x80 [i915]
>[  444.080014]  [<f8c5992f>] intel_enable_pipe+0x6f/0x150 [i915]
>[  444.080078]  [<f8c5e86a>] i9xx_crtc_enable+0x1ea/0x3a0 [i915]
>[  444.080116]  [<f8c60e9c>] __intel_set_mode+0x75c/0x8b0 [i915]
>[  444.080149]  [<f8c63b43>] intel_set_mode+0x23/0x40 [i915]
>[  444.080187]  [<f8c64f10>] intel_get_load_detect_pipe+0x230/0x3a0 [i915]
>[  444.080232]  [<f8c89ea5>] intel_tv_detect+0x125/0x510 [i915]
>[  444.080252]  [<c140ba50>] ? dev_uevent_name+0x30/0x30
>[  444.080278]  [<f8b368e7>] status_show+0x37/0x70 [drm]
>[  444.080306]  [<f8b368b0>] ? dpms_show+0x70/0x70 [drm]
>[  444.080318]  [<c140ba50>] ? dev_uevent_name+0x30/0x30
>[  444.080323]  [<c140ba68>] dev_attr_show+0x18/0x40
>[  444.080328]  [<c11dbf75>] sysfs_seq_show+0xe5/0x1c0
>[  444.080333]  [<c1198dce>] seq_read+0x9e/0x360
>[  444.080338]  [<c1198d30>] ? seq_lseek+0x190/0x190
>[  444.080342]  [<c117a1d8>] vfs_read+0x78/0x140
>[  444.080347]  [<c117a949>] SyS_read+0x49/0x90
>[  444.080351]  [<c166398d>] sysenter_do_call+0x12/0x12
>[  444.080354] ---[ end trace 119e63a4df1bf18d ]---
>[  444.144064] ------------[ cut here ]------------
>[  444.144117] WARNING: CPU: 1 PID: 1350 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:1127 assert_pipe+0xd4/0xe0 [i915]()
>[  444.144121] pipe B assertion failure (expected on, current off)
>[  444.144123] Modules linked in: ctr ccm bnep rfcomm bluetooth binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek hid_generic hid_logitech_dj snd_usb_audio usbhid snd_usbmidi_lib hid gpio_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwl3945 iwlegacy i915 snd_seq coretemp mac80211 snd_seq_device snd_timer drm_kms_helper snd joydev serio_raw cfg80211 soundcore drm lpc_ich i2c_algo_bit video mac_hid parport_pc ppdev lp parport ums_realtek usb_storage ahci psmouse libahci sky2
>[  444.144191] CPU: 1 PID: 1350 Comm: upowerd Tainted: G        W     3.13.0-43-generic #72-Ubuntu
>[  444.144194] Hardware name:  /, BIOS 1.06A 04/24/2008
>[  444.144197]  00000000 00000000 ec98bbd8 c1655602 ec98bc18 ec98bc08 c105699e f8cad444
>[  444.144207]  ec98bc34 00000546 f8cabc24 00000467 f8c59ae4 f8c59ae4 00000001 00000042
>[  444.144216]  00000001 ec98bc20 c10569f3 00000009 ec98bc18 f8cad444 ec98bc34 ec98bc50
>[  444.144225] Call Trace:
>[  444.144237]  [<c1655602>] dump_stack+0x41/0x52
>[  444.144245]  [<c105699e>] warn_slowpath_common+0x7e/0xa0
>[  444.144275]  [<f8c59ae4>] ? assert_pipe+0xd4/0xe0 [i915]
>[  444.144303]  [<f8c59ae4>] ? assert_pipe+0xd4/0xe0 [i915]
>[  444.144309]  [<c10569f3>] warn_slowpath_fmt+0x33/0x40
>[  444.144338]  [<f8c59ae4>] assert_pipe+0xd4/0xe0 [i915]
>[  444.144369]  [<f8c5a088>] intel_enable_primary_plane+0x28/0xb0 [i915]
>[  444.144399]  [<f8c5e876>] i9xx_crtc_enable+0x1f6/0x3a0 [i915]
>[  444.144428]  [<f8c60e9c>] __intel_set_mode+0x75c/0x8b0 [i915]
>[  444.144461]  [<f8c63b43>] intel_set_mode+0x23/0x40 [i915]
>[  444.144491]  [<f8c64f10>] intel_get_load_detect_pipe+0x230/0x3a0 [i915]
>[  444.144531]  [<f8c89ea5>] intel_tv_detect+0x125/0x510 [i915]
>[  444.144542]  [<c140ba50>] ? dev_uevent_name+0x30/0x30
>[  444.144570]  [<f8b368e7>] status_show+0x37/0x70 [drm]
>[  444.144590]  [<f8b368b0>] ? dpms_show+0x70/0x70 [drm]
>[  444.144595]  [<c140ba50>] ? dev_uevent_name+0x30/0x30
>[  444.144600]  [<c140ba68>] dev_attr_show+0x18/0x40
>[  444.144606]  [<c11dbf75>] sysfs_seq_show+0xe5/0x1c0
>[  444.144613]  [<c1198dce>] seq_read+0x9e/0x360
>[  444.144619]  [<c1198d30>] ? seq_lseek+0x190/0x190
>[  444.144624]  [<c117a1d8>] vfs_read+0x78/0x140
>[  444.144628]  [<c117a949>] SyS_read+0x49/0x90
>[  444.144634]  [<c166398d>] sysenter_do_call+0x12/0x12
>[  444.144637] ---[ end trace 119e63a4df1bf18e ]---
>[  444.272048] ------------[ cut here ]------------
>[  444.272096] WARNING: CPU: 0 PID: 1350 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:9237 intel_modeset_check_state+0x5dd/0x750 [i915]()
>[  444.272107] encoder's hw state doesn't match sw tracking (expected 1, found 0)
>[  444.272110] Modules linked in: ctr ccm bnep rfcomm bluetooth binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek hid_generic hid_logitech_dj snd_usb_audio usbhid snd_usbmidi_lib hid gpio_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwl3945 iwlegacy i915 snd_seq coretemp mac80211 snd_seq_device snd_timer drm_kms_helper snd joydev serio_raw cfg80211 soundcore drm lpc_ich i2c_algo_bit video mac_hid parport_pc ppdev lp parport ums_realtek usb_storage ahci psmouse libahci sky2
>[  444.272177] CPU: 0 PID: 1350 Comm: upowerd Tainted: G        W     3.13.0-43-generic #72-Ubuntu
>[  444.272180] Hardware name:  /, BIOS 1.06A 04/24/2008
>[  444.272184]  00000000 00000000 ec98bc7c c1655602 ec98bcbc ec98bcac c105699e f8caddbc
>[  444.272193]  ec98bcd8 00000546 f8cabc24 00002415 f8c6394d f8c6394d f6a36700 ef47a9c0
>[  444.272203]  00000001 ec98bcc4 c10569f3 00000009 ec98bcbc f8caddbc ec98bcd8 ec98bd18
>[  444.272212] Call Trace:
>[  444.272223]  [<c1655602>] dump_stack+0x41/0x52
>[  444.272230]  [<c105699e>] warn_slowpath_common+0x7e/0xa0
>[  444.272261]  [<f8c6394d>] ? intel_modeset_check_state+0x5dd/0x750 [i915]
>[  444.272291]  [<f8c6394d>] ? intel_modeset_check_state+0x5dd/0x750 [i915]
>[  444.272297]  [<c10569f3>] warn_slowpath_fmt+0x33/0x40
>[  444.272327]  [<f8c6394d>] intel_modeset_check_state+0x5dd/0x750 [i915]
>[  444.272360]  [<f8c63b50>] intel_set_mode+0x30/0x40 [i915]
>[  444.272390]  [<f8c64f10>] intel_get_load_detect_pipe+0x230/0x3a0 [i915]
>[  444.272430]  [<f8c89ea5>] intel_tv_detect+0x125/0x510 [i915]
>[  444.272440]  [<c140ba50>] ? dev_uevent_name+0x30/0x30
>[  444.272463]  [<f8b368e7>] status_show+0x37/0x70 [drm]
>[  444.272483]  [<f8b368b0>] ? dpms_show+0x70/0x70 [drm]
>[  444.272488]  [<c140ba50>] ? dev_uevent_name+0x30/0x30
>[  444.272493]  [<c140ba68>] dev_attr_show+0x18/0x40
>[  444.272499]  [<c11dbf75>] sysfs_seq_show+0xe5/0x1c0
>[  444.272506]  [<c1198dce>] seq_read+0x9e/0x360
>[  444.272511]  [<c1198d30>] ? seq_lseek+0x190/0x190
>[  444.272516]  [<c117a1d8>] vfs_read+0x78/0x140
>[  444.272520]  [<c117a949>] SyS_read+0x49/0x90
>[  444.272526]  [<c166398d>] sysenter_do_call+0x12/0x12
>[  444.272529] ---[ end trace 119e63a4df1bf18f ]---
>[  444.272534] ------------[ cut here ]------------
>[  444.272563] WARNING: CPU: 0 PID: 1350 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:9237 intel_modeset_check_state+0x5dd/0x750 [i915]()
>[  444.272566] encoder's hw state doesn't match sw tracking (expected 1, found 0)
>[  444.272568] Modules linked in: ctr ccm bnep rfcomm bluetooth binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek hid_generic hid_logitech_dj snd_usb_audio usbhid snd_usbmidi_lib hid gpio_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwl3945 iwlegacy i915 snd_seq coretemp mac80211 snd_seq_device snd_timer drm_kms_helper snd joydev serio_raw cfg80211 soundcore drm lpc_ich i2c_algo_bit video mac_hid parport_pc ppdev lp parport ums_realtek usb_storage ahci psmouse libahci sky2
>[  444.272626] CPU: 0 PID: 1350 Comm: upowerd Tainted: G        W     3.13.0-43-generic #72-Ubuntu
>[  444.272629] Hardware name:  /, BIOS 1.06A 04/24/2008
>[  444.272631]  00000000 00000000 ec98bc7c c1655602 ec98bcbc ec98bcac c105699e f8caddbc
>[  444.272641]  ec98bcd8 00000546 f8cabc24 00002415 f8c6394d f8c6394d f26d0800 ef47a9c0
>[  444.272649]  00000001 ec98bcc4 c10569f3 00000009 ec98bcbc f8caddbc ec98bcd8 ec98bd18
>[  444.272658] Call Trace:
>[  444.272664]  [<c1655602>] dump_stack+0x41/0x52
>[  444.272669]  [<c105699e>] warn_slowpath_common+0x7e/0xa0
>[  444.272700]  [<f8c6394d>] ? intel_modeset_check_state+0x5dd/0x750 [i915]
>[  444.272730]  [<f8c6394d>] ? intel_modeset_check_state+0x5dd/0x750 [i915]
>[  444.272735]  [<c10569f3>] warn_slowpath_fmt+0x33/0x40
>[  444.272765]  [<f8c6394d>] intel_modeset_check_state+0x5dd/0x750 [i915]
>[  444.272797]  [<f8c63b50>] intel_set_mode+0x30/0x40 [i915]
>[  444.272827]  [<f8c64f10>] intel_get_load_detect_pipe+0x230/0x3a0 [i915]
>[  444.272865]  [<f8c89ea5>] intel_tv_detect+0x125/0x510 [i915]
>[  444.272874]  [<c140ba50>] ? dev_uevent_name+0x30/0x30
>[  444.272893]  [<f8b368e7>] status_show+0x37/0x70 [drm]
>[  444.272913]  [<f8b368b0>] ? dpms_show+0x70/0x70 [drm]
>[  444.272918]  [<c140ba50>] ? dev_uevent_name+0x30/0x30
>[  444.272923]  [<c140ba68>] dev_attr_show+0x18/0x40
>[  444.272928]  [<c11dbf75>] sysfs_seq_show+0xe5/0x1c0
>[  444.272933]  [<c1198dce>] seq_read+0x9e/0x360
>[  444.272938]  [<c1198d30>] ? seq_lseek+0x190/0x190
>[  444.272942]  [<c117a1d8>] vfs_read+0x78/0x140
>[  444.272947]  [<c117a949>] SyS_read+0x49/0x90
>[  444.272951]  [<c166398d>] sysenter_do_call+0x12/0x12
>[  444.272954] ---[ end trace 119e63a4df1bf190 ]---
>[  444.272958] ------------[ cut here ]------------
>[  444.272986] WARNING: CPU: 0 PID: 1350 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:9306 check_crtc_state+0x2e8/0x320 [i915]()
>[  444.272989] crtc active state doesn't match with hw state (expected 1, found 0)
>[  444.272992] Modules linked in: ctr ccm bnep rfcomm bluetooth binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek hid_generic hid_logitech_dj snd_usb_audio usbhid snd_usbmidi_lib hid gpio_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwl3945 iwlegacy i915 snd_seq coretemp mac80211 snd_seq_device snd_timer drm_kms_helper snd joydev serio_raw cfg80211 soundcore drm lpc_ich i2c_algo_bit video mac_hid parport_pc ppdev lp parport ums_realtek usb_storage ahci psmouse libahci sky2
>[  444.273050] CPU: 0 PID: 1350 Comm: upowerd Tainted: G        W     3.13.0-43-generic #72-Ubuntu
>[  444.273052] Hardware name:  /, BIOS 1.06A 04/24/2008
>[  444.273054]  00000000 00000000 ec98ba14 c1655602 ec98ba54 ec98ba44 c105699e f8cad004
>[  444.273063]  ec98ba70 00000546 f8cabc24 0000245a f8c56fd8 f8c56fd8 ef47a9d8 f6b01000
>[  444.273072]  ef47a9d4 ec98ba5c c10569f3 00000009 ec98ba54 f8cad004 ec98ba70 ec98bcc4
>[  444.273081] Call Trace:
>[  444.273087]  [<c1655602>] dump_stack+0x41/0x52
>[  444.273092]  [<c105699e>] warn_slowpath_common+0x7e/0xa0
>[  444.273121]  [<f8c56fd8>] ? check_crtc_state+0x2e8/0x320 [i915]
>[  444.273149]  [<f8c56fd8>] ? check_crtc_state+0x2e8/0x320 [i915]
>[  444.273155]  [<c10569f3>] warn_slowpath_fmt+0x33/0x40
>[  444.273183]  [<f8c56fd8>] check_crtc_state+0x2e8/0x320 [i915]
>[  444.273218]  [<f8c635f3>] intel_modeset_check_state+0x283/0x750 [i915]
>[  444.273250]  [<f8c63b50>] intel_set_mode+0x30/0x40 [i915]
>[  444.273280]  [<f8c64f10>] intel_get_load_detect_pipe+0x230/0x3a0 [i915]
>[  444.273317]  [<f8c89ea5>] intel_tv_detect+0x125/0x510 [i915]
>[  444.273327]  [<c140ba50>] ? dev_uevent_name+0x30/0x30
>[  444.273346]  [<f8b368e7>] status_show+0x37/0x70 [drm]
>[  444.273366]  [<f8b368b0>] ? dpms_show+0x70/0x70 [drm]
>[  444.273371]  [<c140ba50>] ? dev_uevent_name+0x30/0x30
>[  444.273376]  [<c140ba68>] dev_attr_show+0x18/0x40
>[  444.273380]  [<c11dbf75>] sysfs_seq_show+0xe5/0x1c0
>[  444.273386]  [<c1198dce>] seq_read+0x9e/0x360
>[  444.273391]  [<c1198d30>] ? seq_lseek+0x190/0x190
>[  444.273395]  [<c117a1d8>] vfs_read+0x78/0x140
>[  444.273400]  [<c117a949>] SyS_read+0x49/0x90
>[  444.273404]  [<c166398d>] sysenter_do_call+0x12/0x12
>[  444.273407] ---[ end trace 119e63a4df1bf191 ]---
>[  444.273411] ------------[ cut here ]------------
>[  444.273439] WARNING: CPU: 0 PID: 1350 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:9306 check_crtc_state+0x2e8/0x320 [i915]()
>[  444.273442] crtc active state doesn't match with hw state (expected 1, found 0)
>[  444.273444] Modules linked in: ctr ccm bnep rfcomm bluetooth binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek hid_generic hid_logitech_dj snd_usb_audio usbhid snd_usbmidi_lib hid gpio_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwl3945 iwlegacy i915 snd_seq coretemp mac80211 snd_seq_device snd_timer drm_kms_helper snd joydev serio_raw cfg80211 soundcore drm lpc_ich i2c_algo_bit video mac_hid parport_pc ppdev lp parport ums_realtek usb_storage ahci psmouse libahci sky2
>[  444.273502] CPU: 0 PID: 1350 Comm: upowerd Tainted: G        W     3.13.0-43-generic #72-Ubuntu
>[  444.273505] Hardware name:  /, BIOS 1.06A 04/24/2008
>[  444.273507]  00000000 00000000 ec98ba14 c1655602 ec98ba54 ec98ba44 c105699e f8cad004
>[  444.273516]  ec98ba70 00000546 f8cabc24 0000245a f8c56fd8 f8c56fd8 ef47a9d8 f6b06000
>[  444.273525]  ef47a9d4 ec98ba5c c10569f3 00000009 ec98ba54 f8cad004 ec98ba70 ec98bcc4
>[  444.273534] Call Trace:
>[  444.273539]  [<c1655602>] dump_stack+0x41/0x52
>[  444.273545]  [<c105699e>] warn_slowpath_common+0x7e/0xa0
>[  444.273574]  [<f8c56fd8>] ? check_crtc_state+0x2e8/0x320 [i915]
>[  444.273602]  [<f8c56fd8>] ? check_crtc_state+0x2e8/0x320 [i915]
>[  444.273607]  [<c10569f3>] warn_slowpath_fmt+0x33/0x40
>[  444.273636]  [<f8c56fd8>] check_crtc_state+0x2e8/0x320 [i915]
>[  444.273670]  [<f8c635f3>] intel_modeset_check_state+0x283/0x750 [i915]
>[  444.273702]  [<f8c63b50>] intel_set_mode+0x30/0x40 [i915]
>[  444.273732]  [<f8c64f10>] intel_get_load_detect_pipe+0x230/0x3a0 [i915]
>[  444.273770]  [<f8c89ea5>] intel_tv_detect+0x125/0x510 [i915]
>[  444.273779]  [<c140ba50>] ? dev_uevent_name+0x30/0x30
>[  444.273798]  [<f8b368e7>] status_show+0x37/0x70 [drm]
>[  444.273827]  [<f8b368b0>] ? dpms_show+0x70/0x70 [drm]
>[  444.273833]  [<c140ba50>] ? dev_uevent_name+0x30/0x30
>[  444.273837]  [<c140ba68>] dev_attr_show+0x18/0x40
>[  444.273842]  [<c11dbf75>] sysfs_seq_show+0xe5/0x1c0
>[  444.273847]  [<c1198dce>] seq_read+0x9e/0x360
>[  444.273853]  [<c1198d30>] ? seq_lseek+0x190/0x190
>[  444.273857]  [<c117a1d8>] vfs_read+0x78/0x140
>[  444.273861]  [<c117a949>] SyS_read+0x49/0x90
>[  444.273865]  [<c166398d>] sysenter_do_call+0x12/0x12
>[  444.273869] ---[ end trace 119e63a4df1bf192 ]---
>[  444.464349] ------------[ cut here ]------------
>[  444.464398] WARNING: CPU: 0 PID: 1350 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:9237 intel_modeset_check_state+0x5dd/0x750 [i915]()
>[  444.464401] encoder's hw state doesn't match sw tracking (expected 1, found 0)
>[  444.464404] Modules linked in: ctr ccm bnep rfcomm bluetooth binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek hid_generic hid_logitech_dj snd_usb_audio usbhid snd_usbmidi_lib hid gpio_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwl3945 iwlegacy i915 snd_seq coretemp mac80211 snd_seq_device snd_timer drm_kms_helper snd joydev serio_raw cfg80211 soundcore drm lpc_ich i2c_algo_bit video mac_hid parport_pc ppdev lp parport ums_realtek usb_storage ahci psmouse libahci sky2
>[  444.464472] CPU: 0 PID: 1350 Comm: upowerd Tainted: G        W     3.13.0-43-generic #72-Ubuntu
>[  444.464475] Hardware name:  /, BIOS 1.06A 04/24/2008
>[  444.464478]  00000000 00000000 ec98bcc8 c1655602 ec98bd08 ec98bcf8 c105699e f8caddbc
>[  444.464488]  ec98bd24 00000546 f8cabc24 00002415 f8c6394d f8c6394d f6a36700 ef47a9c0
>[  444.464497]  00000001 ec98bd10 c10569f3 00000009 ec98bd08 f8caddbc ec98bd24 ec98bd64
>[  444.464506] Call Trace:
>[  444.464517]  [<c1655602>] dump_stack+0x41/0x52
>[  444.464524]  [<c105699e>] warn_slowpath_common+0x7e/0xa0
>[  444.464556]  [<f8c6394d>] ? intel_modeset_check_state+0x5dd/0x750 [i915]
>[  444.464586]  [<f8c6394d>] ? intel_modeset_check_state+0x5dd/0x750 [i915]
>[  444.464591]  [<c10569f3>] warn_slowpath_fmt+0x33/0x40
>[  444.464622]  [<f8c6394d>] intel_modeset_check_state+0x5dd/0x750 [i915]
>[  444.464654]  [<f8c63b50>] intel_set_mode+0x30/0x40 [i915]
>[  444.464684]  [<f8c63c24>] intel_release_load_detect_pipe+0xc4/0xf0 [i915]
>[  444.464723]  [<f8c8a0cd>] intel_tv_detect+0x34d/0x510 [i915]
>[  444.464734]  [<c140ba50>] ? dev_uevent_name+0x30/0x30
>[  444.464757]  [<f8b368e7>] status_show+0x37/0x70 [drm]
>[  444.464776]  [<f8b368b0>] ? dpms_show+0x70/0x70 [drm]
>[  444.464782]  [<c140ba50>] ? dev_uevent_name+0x30/0x30
>[  444.464787]  [<c140ba68>] dev_attr_show+0x18/0x40
>[  444.464793]  [<c11dbf75>] sysfs_seq_show+0xe5/0x1c0
>[  444.464799]  [<c1198dce>] seq_read+0x9e/0x360
>[  444.464805]  [<c1198d30>] ? seq_lseek+0x190/0x190
>[  444.464810]  [<c117a1d8>] vfs_read+0x78/0x140
>[  444.464814]  [<c117a949>] SyS_read+0x49/0x90
>[  444.464819]  [<c166398d>] sysenter_do_call+0x12/0x12
>[  444.464822] ---[ end trace 119e63a4df1bf193 ]---
>[  444.464842] ------------[ cut here ]------------
>[  444.464870] WARNING: CPU: 0 PID: 1350 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:9306 check_crtc_state+0x2e8/0x320 [i915]()
>[  444.464873] crtc active state doesn't match with hw state (expected 1, found 0)
>[  444.464876] Modules linked in: ctr ccm bnep rfcomm bluetooth binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek hid_generic hid_logitech_dj snd_usb_audio usbhid snd_usbmidi_lib hid gpio_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwl3945 iwlegacy i915 snd_seq coretemp mac80211 snd_seq_device snd_timer drm_kms_helper snd joydev serio_raw cfg80211 soundcore drm lpc_ich i2c_algo_bit video mac_hid parport_pc ppdev lp parport ums_realtek usb_storage ahci psmouse libahci sky2
>[  444.464934] CPU: 0 PID: 1350 Comm: upowerd Tainted: G        W     3.13.0-43-generic #72-Ubuntu
>[  444.464936] Hardware name:  /, BIOS 1.06A 04/24/2008
>[  444.464939]  00000000 00000000 ec98ba60 c1655602 ec98baa0 ec98ba90 c105699e f8cad004
>[  444.464948]  ec98babc 00000546 f8cabc24 0000245a f8c56fd8 f8c56fd8 ef47a9d8 f6b01000
>[  444.464957]  ef47a9d4 ec98baa8 c10569f3 00000009 ec98baa0 f8cad004 ec98babc ec98bd10
>[  444.464965] Call Trace:
>[  444.464971]  [<c1655602>] dump_stack+0x41/0x52
>[  444.464976]  [<c105699e>] warn_slowpath_common+0x7e/0xa0
>[  444.465006]  [<f8c56fd8>] ? check_crtc_state+0x2e8/0x320 [i915]
>[  444.465034]  [<f8c56fd8>] ? check_crtc_state+0x2e8/0x320 [i915]
>[  444.465039]  [<c10569f3>] warn_slowpath_fmt+0x33/0x40
>[  444.465067]  [<f8c56fd8>] check_crtc_state+0x2e8/0x320 [i915]
>[  444.465102]  [<f8c635f3>] intel_modeset_check_state+0x283/0x750 [i915]
>[  444.465134]  [<f8c63b50>] intel_set_mode+0x30/0x40 [i915]
>[  444.465164]  [<f8c63c24>] intel_release_load_detect_pipe+0xc4/0xf0 [i915]
>[  444.465202]  [<f8c8a0cd>] intel_tv_detect+0x34d/0x510 [i915]
>[  444.465211]  [<c140ba50>] ? dev_uevent_name+0x30/0x30
>[  444.465230]  [<f8b368e7>] status_show+0x37/0x70 [drm]
>[  444.465250]  [<f8b368b0>] ? dpms_show+0x70/0x70 [drm]
>[  444.465255]  [<c140ba50>] ? dev_uevent_name+0x30/0x30
>[  444.465260]  [<c140ba68>] dev_attr_show+0x18/0x40
>[  444.465264]  [<c11dbf75>] sysfs_seq_show+0xe5/0x1c0
>[  444.465270]  [<c1198dce>] seq_read+0x9e/0x360
>[  444.465275]  [<c1198d30>] ? seq_lseek+0x190/0x190
>[  444.465279]  [<c117a1d8>] vfs_read+0x78/0x140
>[  444.465283]  [<c117a949>] SyS_read+0x49/0x90
>[  444.465288]  [<c166398d>] sysenter_do_call+0x12/0x12
>[  444.465291] ---[ end trace 119e63a4df1bf194 ]---
>[  445.538178] ------------[ cut here ]------------
>[  445.538224] WARNING: CPU: 1 PID: 1073 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:922 assert_pll+0x73/0x80 [i915]()
>[  445.538228] PLL state assertion failure (expected on, current off)
>[  445.538230] Modules linked in: ctr ccm bnep rfcomm bluetooth binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek hid_generic hid_logitech_dj snd_usb_audio usbhid snd_usbmidi_lib hid gpio_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwl3945 iwlegacy i915 snd_seq coretemp mac80211 snd_seq_device snd_timer drm_kms_helper snd joydev serio_raw cfg80211 soundcore drm lpc_ich i2c_algo_bit video mac_hid parport_pc ppdev lp parport ums_realtek usb_storage ahci psmouse libahci sky2
>[  445.538297] CPU: 1 PID: 1073 Comm: Xorg Tainted: G        W     3.13.0-43-generic #72-Ubuntu
>[  445.538300] Hardware name:  /, BIOS 1.06A 04/24/2008
>[  445.538303]  00000000 00000000 f25f1a70 c1655602 f25f1ab0 f25f1aa0 c105699e f8cad2d0
>[  445.538313]  f25f1acc 00000431 f8cabc24 0000039a f8c58fa3 f8c58fa3 00000001 00000001
>[  445.538322]  00000000 f25f1ab8 c10569f3 00000009 f25f1ab0 f8cad2d0 f25f1acc f25f1adc
>[  445.538331] Call Trace:
>[  445.538343]  [<c1655602>] dump_stack+0x41/0x52
>[  445.538350]  [<c105699e>] warn_slowpath_common+0x7e/0xa0
>[  445.538380]  [<f8c58fa3>] ? assert_pll+0x73/0x80 [i915]
>[  445.538408]  [<f8c58fa3>] ? assert_pll+0x73/0x80 [i915]
>[  445.538414]  [<c10569f3>] warn_slowpath_fmt+0x33/0x40
>[  445.538443]  [<f8c58fa3>] assert_pll+0x73/0x80 [i915]
>[  445.538474]  [<f8c5e66a>] intel_crtc_load_lut+0x19a/0x1b0 [i915]
>[  445.538502]  [<f8c56685>] ? assert_panel_unlocked+0xa5/0xb0 [i915]
>[  445.538531]  [<f8c5e84b>] i9xx_crtc_enable+0x1cb/0x3a0 [i915]
>[  445.538561]  [<f8c60e9c>] __intel_set_mode+0x75c/0x8b0 [i915]
>[  445.538594]  [<f8c63b43>] intel_set_mode+0x23/0x40 [i915]
>[  445.538624]  [<f8c64f10>] intel_get_load_detect_pipe+0x230/0x3a0 [i915]
>[  445.538663]  [<f8c89ea5>] intel_tv_detect+0x125/0x510 [i915]
>[  445.538691]  [<f8b3f97b>] ? drm_get_edid+0x2b/0x270 [drm]
>[  445.538700]  [<c12fd101>] ? vsnprintf+0x271/0x3d0
>[  445.538710]  [<f8892158>] drm_helper_probe_single_connector_modes+0x1d8/0x360 [drm_kms_helper]
>[  445.538719]  [<c165a410>] ? mutex_lock+0x10/0x28
>[  445.538742]  [<f8b3b5cd>] drm_mode_getconnector+0x32d/0x390 [drm]
>[  445.538751]  [<c103a0eb>] ? lapic_next_event+0x1b/0x20
>[  445.538772]  [<f8b3b2a0>] ? drm_mode_getcrtc+0xc0/0xc0 [drm]
>[  445.538788]  [<f8b2e792>] drm_ioctl+0x472/0x500 [drm]
>[  445.538811]  [<f8b3b2a0>] ? drm_mode_getcrtc+0xc0/0xc0 [drm]
>[  445.538819]  [<c1018be6>] ? __restore_xstate_sig+0x356/0x4f0
>[  445.538834]  [<f8b2e320>] ? drm_free_buffer+0x30/0x30 [drm]
>[  445.538840]  [<c118acb2>] do_vfs_ioctl+0x2e2/0x4d0
>[  445.538846]  [<c118af00>] SyS_ioctl+0x60/0x80
>[  445.538851]  [<c166398d>] sysenter_do_call+0x12/0x12
>[  445.538854] ---[ end trace 119e63a4df1bf195 ]---
>[  445.539035] ------------[ cut here ]------------
>[  445.539065] WARNING: CPU: 1 PID: 1073 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:922 assert_pll+0x73/0x80 [i915]()
>[  445.539068] PLL state assertion failure (expected on, current off)
>[  445.539070] Modules linked in: ctr ccm bnep rfcomm bluetooth binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek hid_generic hid_logitech_dj snd_usb_audio usbhid snd_usbmidi_lib hid gpio_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwl3945 iwlegacy i915 snd_seq coretemp mac80211 snd_seq_device snd_timer drm_kms_helper snd joydev serio_raw cfg80211 soundcore drm lpc_ich i2c_algo_bit video mac_hid parport_pc ppdev lp parport ums_realtek usb_storage ahci psmouse libahci sky2
>[  445.539130] CPU: 1 PID: 1073 Comm: Xorg Tainted: G        W     3.13.0-43-generic #72-Ubuntu
>[  445.539133] Hardware name:  /, BIOS 1.06A 04/24/2008
>[  445.539135]  00000000 00000000 f25f1a70 c1655602 f25f1ab0 f25f1aa0 c105699e f8cad2d0
>[  445.539145]  f25f1acc 00000431 f8cabc24 0000039a f8c58fa3 f8c58fa3 00000001 00000001
>[  445.539153]  00000001 f25f1ab8 c10569f3 00000009 f25f1ab0 f8cad2d0 f25f1acc f25f1adc
>[  445.539163] Call Trace:
>[  445.539169]  [<c1655602>] dump_stack+0x41/0x52
>[  445.539174]  [<c105699e>] warn_slowpath_common+0x7e/0xa0
>[  445.539203]  [<f8c58fa3>] ? assert_pll+0x73/0x80 [i915]
>[  445.539232]  [<f8c58fa3>] ? assert_pll+0x73/0x80 [i915]
>[  445.539237]  [<c10569f3>] warn_slowpath_fmt+0x33/0x40
>[  445.539266]  [<f8c58fa3>] assert_pll+0x73/0x80 [i915]
>[  445.539296]  [<f8c5992f>] intel_enable_pipe+0x6f/0x150 [i915]
>[  445.539325]  [<f8c5e86a>] i9xx_crtc_enable+0x1ea/0x3a0 [i915]
>[  445.539355]  [<f8c60e9c>] __intel_set_mode+0x75c/0x8b0 [i915]
>[  445.539387]  [<f8c63b43>] intel_set_mode+0x23/0x40 [i915]
>[  445.539417]  [<f8c64f10>] intel_get_load_detect_pipe+0x230/0x3a0 [i915]
>[  445.539455]  [<f8c89ea5>] intel_tv_detect+0x125/0x510 [i915]
>[  445.539478]  [<f8b3f97b>] ? drm_get_edid+0x2b/0x270 [drm]
>[  445.539485]  [<c12fd101>] ? vsnprintf+0x271/0x3d0
>[  445.539495]  [<f8892158>] drm_helper_probe_single_connector_modes+0x1d8/0x360 [drm_kms_helper]
>[  445.539502]  [<c165a410>] ? mutex_lock+0x10/0x28
>[  445.539525]  [<f8b3b5cd>] drm_mode_getconnector+0x32d/0x390 [drm]
>[  445.539532]  [<c103a0eb>] ? lapic_next_event+0x1b/0x20
>[  445.539553]  [<f8b3b2a0>] ? drm_mode_getcrtc+0xc0/0xc0 [drm]
>[  445.539569]  [<f8b2e792>] drm_ioctl+0x472/0x500 [drm]
>[  445.539592]  [<f8b3b2a0>] ? drm_mode_getcrtc+0xc0/0xc0 [drm]
>[  445.539599]  [<c1018be6>] ? __restore_xstate_sig+0x356/0x4f0
>[  445.539614]  [<f8b2e320>] ? drm_free_buffer+0x30/0x30 [drm]
>[  445.539620]  [<c118acb2>] do_vfs_ioctl+0x2e2/0x4d0
>[  445.539625]  [<c118af00>] SyS_ioctl+0x60/0x80
>[  445.539629]  [<c166398d>] sysenter_do_call+0x12/0x12
>[  445.539632] ---[ end trace 119e63a4df1bf196 ]---
>[  445.600060] ------------[ cut here ]------------
>[  445.600113] WARNING: CPU: 1 PID: 1073 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:1127 assert_pipe+0xd4/0xe0 [i915]()
>[  445.600117] pipe B assertion failure (expected on, current off)
>[  445.600119] Modules linked in: ctr ccm bnep rfcomm bluetooth binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek hid_generic hid_logitech_dj snd_usb_audio usbhid snd_usbmidi_lib hid gpio_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwl3945 iwlegacy i915 snd_seq coretemp mac80211 snd_seq_device snd_timer drm_kms_helper snd joydev serio_raw cfg80211 soundcore drm lpc_ich i2c_algo_bit video mac_hid parport_pc ppdev lp parport ums_realtek usb_storage ahci psmouse libahci sky2
>[  445.600188] CPU: 1 PID: 1073 Comm: Xorg Tainted: G        W     3.13.0-43-generic #72-Ubuntu
>[  445.600191] Hardware name:  /, BIOS 1.06A 04/24/2008
>[  445.600195]  00000000 00000000 f25f1a68 c1655602 f25f1aa8 f25f1a98 c105699e f8cad444
>[  445.600205]  f25f1ac4 00000431 f8cabc24 00000467 f8c59ae4 f8c59ae4 00000001 00000042
>[  445.600214]  00000001 f25f1ab0 c10569f3 00000009 f25f1aa8 f8cad444 f25f1ac4 f25f1ae0
>[  445.600223] Call Trace:
>[  445.600235]  [<c1655602>] dump_stack+0x41/0x52
>[  445.600243]  [<c105699e>] warn_slowpath_common+0x7e/0xa0
>[  445.600273]  [<f8c59ae4>] ? assert_pipe+0xd4/0xe0 [i915]
>[  445.600302]  [<f8c59ae4>] ? assert_pipe+0xd4/0xe0 [i915]
>[  445.600307]  [<c10569f3>] warn_slowpath_fmt+0x33/0x40
>[  445.600337]  [<f8c59ae4>] assert_pipe+0xd4/0xe0 [i915]
>[  445.600367]  [<f8c5a088>] intel_enable_primary_plane+0x28/0xb0 [i915]
>[  445.600397]  [<f8c5e876>] i9xx_crtc_enable+0x1f6/0x3a0 [i915]
>[  445.600427]  [<f8c60e9c>] __intel_set_mode+0x75c/0x8b0 [i915]
>[  445.600460]  [<f8c63b43>] intel_set_mode+0x23/0x40 [i915]
>[  445.600490]  [<f8c64f10>] intel_get_load_detect_pipe+0x230/0x3a0 [i915]
>[  445.600530]  [<f8c89ea5>] intel_tv_detect+0x125/0x510 [i915]
>[  445.600558]  [<f8b3f97b>] ? drm_get_edid+0x2b/0x270 [drm]
>[  445.600567]  [<c12fd101>] ? vsnprintf+0x271/0x3d0
>[  445.600578]  [<f8892158>] drm_helper_probe_single_connector_modes+0x1d8/0x360 [drm_kms_helper]
>[  445.600587]  [<c165a410>] ? mutex_lock+0x10/0x28
>[  445.600610]  [<f8b3b5cd>] drm_mode_getconnector+0x32d/0x390 [drm]
>[  445.600619]  [<c103a0eb>] ? lapic_next_event+0x1b/0x20
>[  445.600639]  [<f8b3b2a0>] ? drm_mode_getcrtc+0xc0/0xc0 [drm]
>[  445.600827]  [<f8b2e792>] drm_ioctl+0x472/0x500 [drm]
>[  445.600851]  [<f8b3b2a0>] ? drm_mode_getcrtc+0xc0/0xc0 [drm]
>[  445.600859]  [<c1018be6>] ? __restore_xstate_sig+0x356/0x4f0
>[  445.600875]  [<f8b2e320>] ? drm_free_buffer+0x30/0x30 [drm]
>[  445.600881]  [<c118acb2>] do_vfs_ioctl+0x2e2/0x4d0
>[  445.600887]  [<c118af00>] SyS_ioctl+0x60/0x80
>[  445.600892]  [<c166398d>] sysenter_do_call+0x12/0x12
>[  445.600896] ---[ end trace 119e63a4df1bf197 ]---
>[  445.728216] ------------[ cut here ]------------
>[  445.728266] WARNING: CPU: 1 PID: 1073 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:9237 intel_modeset_check_state+0x5dd/0x750 [i915]()
>[  445.728270] encoder's hw state doesn't match sw tracking (expected 1, found 0)
>[  445.728272] Modules linked in: ctr ccm bnep rfcomm bluetooth binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek hid_generic hid_logitech_dj snd_usb_audio usbhid snd_usbmidi_lib hid gpio_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwl3945 iwlegacy i915 snd_seq coretemp mac80211 snd_seq_device snd_timer drm_kms_helper snd joydev serio_raw cfg80211 soundcore drm lpc_ich i2c_algo_bit video mac_hid parport_pc ppdev lp parport ums_realtek usb_storage ahci psmouse libahci sky2
>[  445.728338] CPU: 1 PID: 1073 Comm: Xorg Tainted: G        W     3.13.0-43-generic #72-Ubuntu
>[  445.728341] Hardware name:  /, BIOS 1.06A 04/24/2008
>[  445.728344]  00000000 00000000 f25f1b0c c1655602 f25f1b4c f25f1b3c c105699e f8caddbc
>[  445.728353]  f25f1b68 00000431 f8cabc24 00002415 f8c6394d f8c6394d f6a36700 ef47a9c0
>[  445.728362]  00000001 f25f1b54 c10569f3 00000009 f25f1b4c f8caddbc f25f1b68 f25f1ba8
>[  445.728372] Call Trace:
>[  445.728383]  [<c1655602>] dump_stack+0x41/0x52
>[  445.728390]  [<c105699e>] warn_slowpath_common+0x7e/0xa0
>[  445.728422]  [<f8c6394d>] ? intel_modeset_check_state+0x5dd/0x750 [i915]
>[  445.728452]  [<f8c6394d>] ? intel_modeset_check_state+0x5dd/0x750 [i915]
>[  445.728458]  [<c10569f3>] warn_slowpath_fmt+0x33/0x40
>[  445.728488]  [<f8c6394d>] intel_modeset_check_state+0x5dd/0x750 [i915]
>[  445.728520]  [<f8c63b50>] intel_set_mode+0x30/0x40 [i915]
>[  445.728551]  [<f8c64f10>] intel_get_load_detect_pipe+0x230/0x3a0 [i915]
>[  445.728590]  [<f8c89ea5>] intel_tv_detect+0x125/0x510 [i915]
>[  445.728618]  [<f8b3f97b>] ? drm_get_edid+0x2b/0x270 [drm]
>[  445.728628]  [<c12fd101>] ? vsnprintf+0x271/0x3d0
>[  445.728638]  [<f8892158>] drm_helper_probe_single_connector_modes+0x1d8/0x360 [drm_kms_helper]
>[  445.728647]  [<c165a410>] ? mutex_lock+0x10/0x28
>[  445.728670]  [<f8b3b5cd>] drm_mode_getconnector+0x32d/0x390 [drm]
>[  445.728678]  [<c103a0eb>] ? lapic_next_event+0x1b/0x20
>[  445.728699]  [<f8b3b2a0>] ? drm_mode_getcrtc+0xc0/0xc0 [drm]
>[  445.728715]  [<f8b2e792>] drm_ioctl+0x472/0x500 [drm]
>[  445.728738]  [<f8b3b2a0>] ? drm_mode_getcrtc+0xc0/0xc0 [drm]
>[  445.728747]  [<c1018be6>] ? __restore_xstate_sig+0x356/0x4f0
>[  445.728762]  [<f8b2e320>] ? drm_free_buffer+0x30/0x30 [drm]
>[  445.728768]  [<c118acb2>] do_vfs_ioctl+0x2e2/0x4d0
>[  445.728774]  [<c118af00>] SyS_ioctl+0x60/0x80
>[  445.728779]  [<c166398d>] sysenter_do_call+0x12/0x12
>[  445.728782] ---[ end trace 119e63a4df1bf198 ]---
>[  445.728787] ------------[ cut here ]------------
>[  445.728817] WARNING: CPU: 1 PID: 1073 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:9237 intel_modeset_check_state+0x5dd/0x750 [i915]()
>[  445.728820] encoder's hw state doesn't match sw tracking (expected 1, found 0)
>[  445.728822] Modules linked in: ctr ccm bnep rfcomm bluetooth binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek hid_generic hid_logitech_dj snd_usb_audio usbhid snd_usbmidi_lib hid gpio_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwl3945 iwlegacy i915 snd_seq coretemp mac80211 snd_seq_device snd_timer drm_kms_helper snd joydev serio_raw cfg80211 soundcore drm lpc_ich i2c_algo_bit video mac_hid parport_pc ppdev lp parport ums_realtek usb_storage ahci psmouse libahci sky2
>[  445.728880] CPU: 1 PID: 1073 Comm: Xorg Tainted: G        W     3.13.0-43-generic #72-Ubuntu
>[  445.728883] Hardware name:  /, BIOS 1.06A 04/24/2008
>[  445.728885]  00000000 00000000 f25f1b0c c1655602 f25f1b4c f25f1b3c c105699e f8caddbc
>[  445.728894]  f25f1b68 00000431 f8cabc24 00002415 f8c6394d f8c6394d f26d0800 ef47a9c0
>[  445.728904]  00000001 f25f1b54 c10569f3 00000009 f25f1b4c f8caddbc f25f1b68 f25f1ba8
>[  445.728912] Call Trace:
>[  445.728918]  [<c1655602>] dump_stack+0x41/0x52
>[  445.728923]  [<c105699e>] warn_slowpath_common+0x7e/0xa0
>[  445.728954]  [<f8c6394d>] ? intel_modeset_check_state+0x5dd/0x750 [i915]
>[  445.728984]  [<f8c6394d>] ? intel_modeset_check_state+0x5dd/0x750 [i915]
>[  445.728989]  [<c10569f3>] warn_slowpath_fmt+0x33/0x40
>[  445.729019]  [<f8c6394d>] intel_modeset_check_state+0x5dd/0x750 [i915]
>[  445.729051]  [<f8c63b50>] intel_set_mode+0x30/0x40 [i915]
>[  445.729081]  [<f8c64f10>] intel_get_load_detect_pipe+0x230/0x3a0 [i915]
>[  445.729119]  [<f8c89ea5>] intel_tv_detect+0x125/0x510 [i915]
>[  445.729142]  [<f8b3f97b>] ? drm_get_edid+0x2b/0x270 [drm]
>[  445.729149]  [<c12fd101>] ? vsnprintf+0x271/0x3d0
>[  445.729158]  [<f8892158>] drm_helper_probe_single_connector_modes+0x1d8/0x360 [drm_kms_helper]
>[  445.729166]  [<c165a410>] ? mutex_lock+0x10/0x28
>[  445.729187]  [<f8b3b5cd>] drm_mode_getconnector+0x32d/0x390 [drm]
>[  445.729195]  [<c103a0eb>] ? lapic_next_event+0x1b/0x20
>[  445.729216]  [<f8b3b2a0>] ? drm_mode_getcrtc+0xc0/0xc0 [drm]
>[  445.729232]  [<f8b2e792>] drm_ioctl+0x472/0x500 [drm]
>[  445.729255]  [<f8b3b2a0>] ? drm_mode_getcrtc+0xc0/0xc0 [drm]
>[  445.729262]  [<c1018be6>] ? __restore_xstate_sig+0x356/0x4f0
>[  445.729278]  [<f8b2e320>] ? drm_free_buffer+0x30/0x30 [drm]
>[  445.729283]  [<c118acb2>] do_vfs_ioctl+0x2e2/0x4d0
>[  445.729288]  [<c118af00>] SyS_ioctl+0x60/0x80
>[  445.729292]  [<c166398d>] sysenter_do_call+0x12/0x12
>[  445.729295] ---[ end trace 119e63a4df1bf199 ]---
>[  445.729300] ------------[ cut here ]------------
>[  445.729328] WARNING: CPU: 1 PID: 1073 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:9306 check_crtc_state+0x2e8/0x320 [i915]()
>[  445.729340] crtc active state doesn't match with hw state (expected 1, found 0)
>[  445.729342] Modules linked in: ctr ccm bnep rfcomm bluetooth binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek hid_generic hid_logitech_dj snd_usb_audio usbhid snd_usbmidi_lib hid gpio_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwl3945 iwlegacy i915 snd_seq coretemp mac80211 snd_seq_device snd_timer drm_kms_helper snd joydev serio_raw cfg80211 soundcore drm lpc_ich i2c_algo_bit video mac_hid parport_pc ppdev lp parport ums_realtek usb_storage ahci psmouse libahci sky2
>[  445.729400] CPU: 1 PID: 1073 Comm: Xorg Tainted: G        W     3.13.0-43-generic #72-Ubuntu
>[  445.729402] Hardware name:  /, BIOS 1.06A 04/24/2008
>[  445.729405]  00000000 00000000 f25f18a4 c1655602 f25f18e4 f25f18d4 c105699e f8cad004
>[  445.729414]  f25f1900 00000431 f8cabc24 0000245a f8c56fd8 f8c56fd8 ef47a9d8 f6b01000
>[  445.729423]  ef47a9d4 f25f18ec c10569f3 00000009 f25f18e4 f8cad004 f25f1900 f25f1b54
>[  445.729432] Call Trace:
>[  445.729438]  [<c1655602>] dump_stack+0x41/0x52
>[  445.729443]  [<c105699e>] warn_slowpath_common+0x7e/0xa0
>[  445.729472]  [<f8c56fd8>] ? check_crtc_state+0x2e8/0x320 [i915]
>[  445.729501]  [<f8c56fd8>] ? check_crtc_state+0x2e8/0x320 [i915]
>[  445.729506]  [<c10569f3>] warn_slowpath_fmt+0x33/0x40
>[  445.729535]  [<f8c56fd8>] check_crtc_state+0x2e8/0x320 [i915]
>[  445.729569]  [<f8c635f3>] intel_modeset_check_state+0x283/0x750 [i915]
>[  445.729601]  [<f8c63b50>] intel_set_mode+0x30/0x40 [i915]
>[  445.729631]  [<f8c64f10>] intel_get_load_detect_pipe+0x230/0x3a0 [i915]
>[  445.729668]  [<f8c89ea5>] intel_tv_detect+0x125/0x510 [i915]
>[  445.729692]  [<f8b3f97b>] ? drm_get_edid+0x2b/0x270 [drm]
>[  445.729699]  [<c12fd101>] ? vsnprintf+0x271/0x3d0
>[  445.729708]  [<f8892158>] drm_helper_probe_single_connector_modes+0x1d8/0x360 [drm_kms_helper]
>[  445.729716]  [<c165a410>] ? mutex_lock+0x10/0x28
>[  445.729738]  [<f8b3b5cd>] drm_mode_getconnector+0x32d/0x390 [drm]
>[  445.729745]  [<c103a0eb>] ? lapic_next_event+0x1b/0x20
>[  445.729766]  [<f8b3b2a0>] ? drm_mode_getcrtc+0xc0/0xc0 [drm]
>[  445.729782]  [<f8b2e792>] drm_ioctl+0x472/0x500 [drm]
>[  445.729926]  [<f8b3b2a0>] ? drm_mode_getcrtc+0xc0/0xc0 [drm]
>[  445.729934]  [<c1018be6>] ? __restore_xstate_sig+0x356/0x4f0
>[  445.729950]  [<f8b2e320>] ? drm_free_buffer+0x30/0x30 [drm]
>[  445.729955]  [<c118acb2>] do_vfs_ioctl+0x2e2/0x4d0
>[  445.729960]  [<c118af00>] SyS_ioctl+0x60/0x80
>[  445.729965]  [<c166398d>] sysenter_do_call+0x12/0x12
>[  445.729968] ---[ end trace 119e63a4df1bf19a ]---
>[  445.729971] ------------[ cut here ]------------
>[  445.729999] WARNING: CPU: 1 PID: 1073 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:9306 check_crtc_state+0x2e8/0x320 [i915]()
>[  445.730002] crtc active state doesn't match with hw state (expected 1, found 0)
>[  445.730004] Modules linked in: ctr ccm bnep rfcomm bluetooth binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek hid_generic hid_logitech_dj snd_usb_audio usbhid snd_usbmidi_lib hid gpio_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwl3945 iwlegacy i915 snd_seq coretemp mac80211 snd_seq_device snd_timer drm_kms_helper snd joydev serio_raw cfg80211 soundcore drm lpc_ich i2c_algo_bit video mac_hid parport_pc ppdev lp parport ums_realtek usb_storage ahci psmouse libahci sky2
>[  445.730062] CPU: 1 PID: 1073 Comm: Xorg Tainted: G        W     3.13.0-43-generic #72-Ubuntu
>[  445.730065] Hardware name:  /, BIOS 1.06A 04/24/2008
>[  445.730067]  00000000 00000000 f25f18a4 c1655602 f25f18e4 f25f18d4 c105699e f8cad004
>[  445.730076]  f25f1900 00000431 f8cabc24 0000245a f8c56fd8 f8c56fd8 ef47a9d8 f6b06000
>[  445.730085]  ef47a9d4 f25f18ec c10569f3 00000009 f25f18e4 f8cad004 f25f1900 f25f1b54
>[  445.730094] Call Trace:
>[  445.730100]  [<c1655602>] dump_stack+0x41/0x52
>[  445.730105]  [<c105699e>] warn_slowpath_common+0x7e/0xa0
>[  445.730134]  [<f8c56fd8>] ? check_crtc_state+0x2e8/0x320 [i915]
>[  445.730163]  [<f8c56fd8>] ? check_crtc_state+0x2e8/0x320 [i915]
>[  445.730168]  [<c10569f3>] warn_slowpath_fmt+0x33/0x40
>[  445.730196]  [<f8c56fd8>] check_crtc_state+0x2e8/0x320 [i915]
>[  445.730231]  [<f8c635f3>] intel_modeset_check_state+0x283/0x750 [i915]
>[  445.730263]  [<f8c63b50>] intel_set_mode+0x30/0x40 [i915]
>[  445.730293]  [<f8c64f10>] intel_get_load_detect_pipe+0x230/0x3a0 [i915]
>[  445.730330]  [<f8c89ea5>] intel_tv_detect+0x125/0x510 [i915]
>[  445.730353]  [<f8b3f97b>] ? drm_get_edid+0x2b/0x270 [drm]
>[  445.730360]  [<c12fd101>] ? vsnprintf+0x271/0x3d0
>[  445.730369]  [<f8892158>] drm_helper_probe_single_connector_modes+0x1d8/0x360 [drm_kms_helper]
>[  445.730377]  [<c165a410>] ? mutex_lock+0x10/0x28
>[  445.730399]  [<f8b3b5cd>] drm_mode_getconnector+0x32d/0x390 [drm]
>[  445.730406]  [<c103a0eb>] ? lapic_next_event+0x1b/0x20
>[  445.730427]  [<f8b3b2a0>] ? drm_mode_getcrtc+0xc0/0xc0 [drm]
>[  445.730443]  [<f8b2e792>] drm_ioctl+0x472/0x500 [drm]
>[  445.730466]  [<f8b3b2a0>] ? drm_mode_getcrtc+0xc0/0xc0 [drm]
>[  445.730473]  [<c1018be6>] ? __restore_xstate_sig+0x356/0x4f0
>[  445.730489]  [<f8b2e320>] ? drm_free_buffer+0x30/0x30 [drm]
>[  445.730493]  [<c118acb2>] do_vfs_ioctl+0x2e2/0x4d0
>[  445.730499]  [<c118af00>] SyS_ioctl+0x60/0x80
>[  445.730503]  [<c166398d>] sysenter_do_call+0x12/0x12
>[  445.730506] ---[ end trace 119e63a4df1bf19b ]---
>[  445.920111] ------------[ cut here ]------------
>[  445.920158] WARNING: CPU: 1 PID: 1073 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:9237 intel_modeset_check_state+0x5dd/0x750 [i915]()
>[  445.920162] encoder's hw state doesn't match sw tracking (expected 1, found 0)
>[  445.920164] Modules linked in: ctr ccm bnep rfcomm bluetooth binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek hid_generic hid_logitech_dj snd_usb_audio usbhid snd_usbmidi_lib hid gpio_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwl3945 iwlegacy i915 snd_seq coretemp mac80211 snd_seq_device snd_timer drm_kms_helper snd joydev serio_raw cfg80211 soundcore drm lpc_ich i2c_algo_bit video mac_hid parport_pc ppdev lp parport ums_realtek usb_storage ahci psmouse libahci sky2
>[  445.920232] CPU: 1 PID: 1073 Comm: Xorg Tainted: G        W     3.13.0-43-generic #72-Ubuntu
>[  445.920235] Hardware name:  /, BIOS 1.06A 04/24/2008
>[  445.920238]  00000000 00000000 f25f1b58 c1655602 f25f1b98 f25f1b88 c105699e f8caddbc
>[  445.920248]  f25f1bb4 00000431 f8cabc24 00002415 f8c6394d f8c6394d f6a36700 ef47a9c0
>[  445.920257]  00000001 f25f1ba0 c10569f3 00000009 f25f1b98 f8caddbc f25f1bb4 f25f1bf4
>[  445.920266] Call Trace:
>[  445.920277]  [<c1655602>] dump_stack+0x41/0x52
>[  445.920284]  [<c105699e>] warn_slowpath_common+0x7e/0xa0
>[  445.920316]  [<f8c6394d>] ? intel_modeset_check_state+0x5dd/0x750 [i915]
>[  445.920346]  [<f8c6394d>] ? intel_modeset_check_state+0x5dd/0x750 [i915]
>[  445.920351]  [<c10569f3>] warn_slowpath_fmt+0x33/0x40
>[  445.920382]  [<f8c6394d>] intel_modeset_check_state+0x5dd/0x750 [i915]
>[  445.920414]  [<f8c63b50>] intel_set_mode+0x30/0x40 [i915]
>[  445.920444]  [<f8c63c24>] intel_release_load_detect_pipe+0xc4/0xf0 [i915]
>[  445.920484]  [<f8c8a0cd>] intel_tv_detect+0x34d/0x510 [i915]
>[  445.920493]  [<c12fd101>] ? vsnprintf+0x271/0x3d0
>[  445.920503]  [<f8892158>] drm_helper_probe_single_connector_modes+0x1d8/0x360 [drm_kms_helper]
>[  445.920512]  [<c165a410>] ? mutex_lock+0x10/0x28
>[  445.920538]  [<f8b3b5cd>] drm_mode_getconnector+0x32d/0x390 [drm]
>[  445.920547]  [<c103a0eb>] ? lapic_next_event+0x1b/0x20
>[  445.920568]  [<f8b3b2a0>] ? drm_mode_getcrtc+0xc0/0xc0 [drm]
>[  445.920721]  [<f8b2e792>] drm_ioctl+0x472/0x500 [drm]
>[  445.920745]  [<f8b3b2a0>] ? drm_mode_getcrtc+0xc0/0xc0 [drm]
>[  445.920753]  [<c1018be6>] ? __restore_xstate_sig+0x356/0x4f0
>[  445.920769]  [<f8b2e320>] ? drm_free_buffer+0x30/0x30 [drm]
>[  445.920775]  [<c118acb2>] do_vfs_ioctl+0x2e2/0x4d0
>[  445.920781]  [<c118af00>] SyS_ioctl+0x60/0x80
>[  445.920786]  [<c166398d>] sysenter_do_call+0x12/0x12
>[  445.920789] ---[ end trace 119e63a4df1bf19c ]---
>[  445.920795] ------------[ cut here ]------------
>[  445.920823] WARNING: CPU: 1 PID: 1073 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:9306 check_crtc_state+0x2e8/0x320 [i915]()
>[  445.920826] crtc active state doesn't match with hw state (expected 1, found 0)
>[  445.920829] Modules linked in: ctr ccm bnep rfcomm bluetooth binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek hid_generic hid_logitech_dj snd_usb_audio usbhid snd_usbmidi_lib hid gpio_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwl3945 iwlegacy i915 snd_seq coretemp mac80211 snd_seq_device snd_timer drm_kms_helper snd joydev serio_raw cfg80211 soundcore drm lpc_ich i2c_algo_bit video mac_hid parport_pc ppdev lp parport ums_realtek usb_storage ahci psmouse libahci sky2
>[  445.920888] CPU: 1 PID: 1073 Comm: Xorg Tainted: G        W     3.13.0-43-generic #72-Ubuntu
>[  445.920891] Hardware name:  /, BIOS 1.06A 04/24/2008
>[  445.920893]  00000000 00000000 f25f18f0 c1655602 f25f1930 f25f1920 c105699e f8cad004
>[  445.920902]  f25f194c 00000431 f8cabc24 0000245a f8c56fd8 f8c56fd8 ef47a9d8 f6b01000
>[  445.920911]  ef47a9d4 f25f1938 c10569f3 00000009 f25f1930 f8cad004 f25f194c f25f1ba0
>[  445.920920] Call Trace:
>[  445.920926]  [<c1655602>] dump_stack+0x41/0x52
>[  445.920931]  [<c105699e>] warn_slowpath_common+0x7e/0xa0
>[  445.920960]  [<f8c56fd8>] ? check_crtc_state+0x2e8/0x320 [i915]
>[  445.920988]  [<f8c56fd8>] ? check_crtc_state+0x2e8/0x320 [i915]
>[  445.920994]  [<c10569f3>] warn_slowpath_fmt+0x33/0x40
>[  445.921022]  [<f8c56fd8>] check_crtc_state+0x2e8/0x320 [i915]
>[  445.921056]  [<f8c635f3>] intel_modeset_check_state+0x283/0x750 [i915]
>[  445.921088]  [<f8c63b50>] intel_set_mode+0x30/0x40 [i915]
>[  445.921118]  [<f8c63c24>] intel_release_load_detect_pipe+0xc4/0xf0 [i915]
>[  445.921156]  [<f8c8a0cd>] intel_tv_detect+0x34d/0x510 [i915]
>[  445.921163]  [<c12fd101>] ? vsnprintf+0x271/0x3d0
>[  445.921172]  [<f8892158>] drm_helper_probe_single_connector_modes+0x1d8/0x360 [drm_kms_helper]
>[  445.921180]  [<c165a410>] ? mutex_lock+0x10/0x28
>[  445.921202]  [<f8b3b5cd>] drm_mode_getconnector+0x32d/0x390 [drm]
>[  445.921209]  [<c103a0eb>] ? lapic_next_event+0x1b/0x20
>[  445.921230]  [<f8b3b2a0>] ? drm_mode_getcrtc+0xc0/0xc0 [drm]
>[  445.921246]  [<f8b2e792>] drm_ioctl+0x472/0x500 [drm]
>[  445.921269]  [<f8b3b2a0>] ? drm_mode_getcrtc+0xc0/0xc0 [drm]
>[  445.921276]  [<c1018be6>] ? __restore_xstate_sig+0x356/0x4f0
>[  445.921292]  [<f8b2e320>] ? drm_free_buffer+0x30/0x30 [drm]
>[  445.921296]  [<c118acb2>] do_vfs_ioctl+0x2e2/0x4d0
>[  445.921302]  [<c118af00>] SyS_ioctl+0x60/0x80
>[  445.921306]  [<c166398d>] sysenter_do_call+0x12/0x12
>[  445.921309] ---[ end trace 119e63a4df1bf19d ]---
>[  445.964905] ------------[ cut here ]------------
>[  445.964954] WARNING: CPU: 1 PID: 1073 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:922 assert_pll+0x73/0x80 [i915]()
>[  445.964957] PLL state assertion failure (expected on, current off)
>[  445.964960] Modules linked in: ctr ccm bnep rfcomm bluetooth binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek hid_generic hid_logitech_dj snd_usb_audio usbhid snd_usbmidi_lib hid gpio_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwl3945 iwlegacy i915 snd_seq coretemp mac80211 snd_seq_device snd_timer drm_kms_helper snd joydev serio_raw cfg80211 soundcore drm lpc_ich i2c_algo_bit video mac_hid parport_pc ppdev lp parport ums_realtek usb_storage ahci psmouse libahci sky2
>[  445.965027] CPU: 1 PID: 1073 Comm: Xorg Tainted: G        W     3.13.0-43-generic #72-Ubuntu
>[  445.965030] Hardware name:  /, BIOS 1.06A 04/24/2008
>[  445.965033]  00000000 00000000 f25f1d60 c1655602 f25f1da0 f25f1d90 c105699e f8cad2d0
>[  445.965043]  f25f1dbc 00000431 f8cabc24 0000039a f8c58fa3 f8c58fa3 00000001 00000001
>[  445.965053]  00000000 f25f1da8 c10569f3 00000009 f25f1da0 f8cad2d0 f25f1dbc f25f1dcc
>[  445.965062] Call Trace:
>[  445.965072]  [<c1655602>] dump_stack+0x41/0x52
>[  445.965079]  [<c105699e>] warn_slowpath_common+0x7e/0xa0
>[  445.965110]  [<f8c58fa3>] ? assert_pll+0x73/0x80 [i915]
>[  445.965138]  [<f8c58fa3>] ? assert_pll+0x73/0x80 [i915]
>[  445.965144]  [<c10569f3>] warn_slowpath_fmt+0x33/0x40
>[  445.965173]  [<f8c58fa3>] assert_pll+0x73/0x80 [i915]
>[  445.965204]  [<f8c5e66a>] intel_crtc_load_lut+0x19a/0x1b0 [i915]
>[  445.965233]  [<f8c5f861>] intel_crtc_gamma_set+0x71/0x80 [i915]
>[  445.965269]  [<f8b3d908>] drm_mode_gamma_set_ioctl+0x118/0x130 [drm]
>[  445.965291]  [<f8b3d7f0>] ? drm_mode_connector_property_set_ioctl+0x40/0x40 [drm]
>[  445.965307]  [<f8b2e792>] drm_ioctl+0x472/0x500 [drm]
>[  445.965331]  [<f8b3d7f0>] ? drm_mode_connector_property_set_ioctl+0x40/0x40 [drm]
>[  445.965338]  [<c118dc8e>] ? dput+0x1e/0x150
>[  445.965344]  [<c11b3ec3>] ? fsnotify_put_event+0x53/0x90
>[  445.965348]  [<c11b3ec3>] ? fsnotify_put_event+0x53/0x90
>[  445.965352]  [<c11b3b68>] ? fsnotify+0x208/0x2d0
>[  445.965368]  [<f8b2e320>] ? drm_free_buffer+0x30/0x30 [drm]
>[  445.965374]  [<c118acb2>] do_vfs_ioctl+0x2e2/0x4d0
>[  445.965379]  [<c117beb1>] ? __sb_end_write+0x31/0x70
>[  445.965384]  [<c117a405>] ? vfs_write+0x165/0x1b0
>[  445.965389]  [<c118af00>] SyS_ioctl+0x60/0x80
>[  445.965394]  [<c166398d>] sysenter_do_call+0x12/0x12
>[  445.965398] ---[ end trace 119e63a4df1bf19e ]---
>[  446.068405] ------------[ cut here ]------------
>[  446.068449] WARNING: CPU: 1 PID: 1073 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:922 assert_pll+0x73/0x80 [i915]()
>[  446.068452] PLL state assertion failure (expected on, current off)
>[  446.068455] Modules linked in: ctr ccm bnep rfcomm bluetooth binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek hid_generic hid_logitech_dj snd_usb_audio usbhid snd_usbmidi_lib hid gpio_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwl3945 iwlegacy i915 snd_seq coretemp mac80211 snd_seq_device snd_timer drm_kms_helper snd joydev serio_raw cfg80211 soundcore drm lpc_ich i2c_algo_bit video mac_hid parport_pc ppdev lp parport ums_realtek usb_storage ahci psmouse libahci sky2
>[  446.068522] CPU: 1 PID: 1073 Comm: Xorg Tainted: G        W     3.13.0-43-generic #72-Ubuntu
>[  446.068525] Hardware name:  /, BIOS 1.06A 04/24/2008
>[  446.068528]  00000000 00000000 f25f1c14 c1655602 f25f1c54 f25f1c44 c105699e f8cad2d0
>[  446.068538]  f25f1c70 00000431 f8cabc24 0000039a f8c58fa3 f8c58fa3 00000001 00000001
>[  446.068547]  00000000 f25f1c5c c10569f3 00000009 f25f1c54 f8cad2d0 f25f1c70 f25f1c80
>[  446.068556] Call Trace:
>[  446.068567]  [<c1655602>] dump_stack+0x41/0x52
>[  446.068574]  [<c105699e>] warn_slowpath_common+0x7e/0xa0
>[  446.068604]  [<f8c58fa3>] ? assert_pll+0x73/0x80 [i915]
>[  446.068633]  [<f8c58fa3>] ? assert_pll+0x73/0x80 [i915]
>[  446.068638]  [<c10569f3>] warn_slowpath_fmt+0x33/0x40
>[  446.068667]  [<f8c58fa3>] assert_pll+0x73/0x80 [i915]
>[  446.068698]  [<f8c5e66a>] intel_crtc_load_lut+0x19a/0x1b0 [i915]
>[  446.068705]  [<c12fdbbd>] ? delay_tsc+0x3d/0x70
>[  446.068734]  [<f8c5e84b>] i9xx_crtc_enable+0x1cb/0x3a0 [i915]
>[  446.068764]  [<f8c60e9c>] __intel_set_mode+0x75c/0x8b0 [i915]
>[  446.068797]  [<f8c63b43>] intel_set_mode+0x23/0x40 [i915]
>[  446.068827]  [<f8c64391>] intel_crtc_set_config+0x741/0x920 [i915]
>[  446.068854]  [<f8b3926b>] drm_mode_set_config_internal+0x4b/0xc0 [drm]
>[  446.068877]  [<f8b3bd5f>] drm_mode_setcrtc+0xdf/0x560 [drm]
>[  446.068901]  [<f8b3bc80>] ? drm_mode_setplane+0x400/0x400 [drm]
>[  446.068917]  [<f8b2e792>] drm_ioctl+0x472/0x500 [drm]
>[  446.068941]  [<f8b3bc80>] ? drm_mode_setplane+0x400/0x400 [drm]
>[  446.068958]  [<f8b2e320>] ? drm_free_buffer+0x30/0x30 [drm]
>[  446.068964]  [<c118acb2>] do_vfs_ioctl+0x2e2/0x4d0
>[  446.068971]  [<c165fc27>] ? __do_page_fault+0x237/0x510
>[  446.068976]  [<c118af00>] SyS_ioctl+0x60/0x80
>[  446.068982]  [<c166398d>] sysenter_do_call+0x12/0x12
>[  446.068985] ---[ end trace 119e63a4df1bf19f ]---
>[  446.069044] ------------[ cut here ]------------
>[  446.069073] WARNING: CPU: 1 PID: 1073 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:922 assert_pll+0x73/0x80 [i915]()
>[  446.069076] PLL state assertion failure (expected on, current off)
>[  446.069078] Modules linked in: ctr ccm bnep rfcomm bluetooth binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek hid_generic hid_logitech_dj snd_usb_audio usbhid snd_usbmidi_lib hid gpio_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwl3945 iwlegacy i915 snd_seq coretemp mac80211 snd_seq_device snd_timer drm_kms_helper snd joydev serio_raw cfg80211 soundcore drm lpc_ich i2c_algo_bit video mac_hid parport_pc ppdev lp parport ums_realtek usb_storage ahci psmouse libahci sky2
>[  446.069138] CPU: 1 PID: 1073 Comm: Xorg Tainted: G        W     3.13.0-43-generic #72-Ubuntu
>[  446.069140] Hardware name:  /, BIOS 1.06A 04/24/2008
>[  446.069143]  00000000 00000000 f25f1c14 c1655602 f25f1c54 f25f1c44 c105699e f8cad2d0
>[  446.069152]  f25f1c70 00000431 f8cabc24 0000039a f8c58fa3 f8c58fa3 00000001 00000001
>[  446.069161]  00000001 f25f1c5c c10569f3 00000009 f25f1c54 f8cad2d0 f25f1c70 f25f1c80
>[  446.069170] Call Trace:
>[  446.069176]  [<c1655602>] dump_stack+0x41/0x52
>[  446.069181]  [<c105699e>] warn_slowpath_common+0x7e/0xa0
>[  446.069211]  [<f8c58fa3>] ? assert_pll+0x73/0x80 [i915]
>[  446.069240]  [<f8c58fa3>] ? assert_pll+0x73/0x80 [i915]
>[  446.069375]  [<c10569f3>] warn_slowpath_fmt+0x33/0x40
>[  446.069404]  [<f8c58fa3>] assert_pll+0x73/0x80 [i915]
>[  446.069434]  [<f8c5992f>] intel_enable_pipe+0x6f/0x150 [i915]
>[  446.069464]  [<f8c5e86a>] i9xx_crtc_enable+0x1ea/0x3a0 [i915]
>[  446.069494]  [<f8c60e9c>] __intel_set_mode+0x75c/0x8b0 [i915]
>[  446.069526]  [<f8c63b43>] intel_set_mode+0x23/0x40 [i915]
>[  446.069556]  [<f8c64391>] intel_crtc_set_config+0x741/0x920 [i915]
>[  446.069579]  [<f8b3926b>] drm_mode_set_config_internal+0x4b/0xc0 [drm]
>[  446.069600]  [<f8b3bd5f>] drm_mode_setcrtc+0xdf/0x560 [drm]
>[  446.069634]  [<f8b3bc80>] ? drm_mode_setplane+0x400/0x400 [drm]
>[  446.069650]  [<f8b2e792>] drm_ioctl+0x472/0x500 [drm]
>[  446.069674]  [<f8b3bc80>] ? drm_mode_setplane+0x400/0x400 [drm]
>[  446.069691]  [<f8b2e320>] ? drm_free_buffer+0x30/0x30 [drm]
>[  446.069696]  [<c118acb2>] do_vfs_ioctl+0x2e2/0x4d0
>[  446.069702]  [<c165fc27>] ? __do_page_fault+0x237/0x510
>[  446.069707]  [<c118af00>] SyS_ioctl+0x60/0x80
>[  446.069712]  [<c166398d>] sysenter_do_call+0x12/0x12
>[  446.069715] ---[ end trace 119e63a4df1bf1a0 ]---
>[  446.132055] ------------[ cut here ]------------
>[  446.132103] WARNING: CPU: 1 PID: 1073 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:1127 assert_pipe+0xd4/0xe0 [i915]()
>[  446.132107] pipe B assertion failure (expected on, current off)
>[  446.132109] Modules linked in: ctr ccm bnep rfcomm bluetooth binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek hid_generic hid_logitech_dj snd_usb_audio usbhid snd_usbmidi_lib hid gpio_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwl3945 iwlegacy i915 snd_seq coretemp mac80211 snd_seq_device snd_timer drm_kms_helper snd joydev serio_raw cfg80211 soundcore drm lpc_ich i2c_algo_bit video mac_hid parport_pc ppdev lp parport ums_realtek usb_storage ahci psmouse libahci sky2
>[  446.132184] CPU: 1 PID: 1073 Comm: Xorg Tainted: G        W     3.13.0-43-generic #72-Ubuntu
>[  446.132187] Hardware name:  /, BIOS 1.06A 04/24/2008
>[  446.132191]  00000000 00000000 f25f1c0c c1655602 f25f1c4c f25f1c3c c105699e f8cad444
>[  446.132200]  f25f1c68 00000431 f8cabc24 00000467 f8c59ae4 f8c59ae4 00000001 00000042
>[  446.132209]  00000001 f25f1c54 c10569f3 00000009 f25f1c4c f8cad444 f25f1c68 f25f1c84
>[  446.132219] Call Trace:
>[  446.132230]  [<c1655602>] dump_stack+0x41/0x52
>[  446.132237]  [<c105699e>] warn_slowpath_common+0x7e/0xa0
>[  446.132267]  [<f8c59ae4>] ? assert_pipe+0xd4/0xe0 [i915]
>[  446.132296]  [<f8c59ae4>] ? assert_pipe+0xd4/0xe0 [i915]
>[  446.132302]  [<c10569f3>] warn_slowpath_fmt+0x33/0x40
>[  446.132331]  [<f8c59ae4>] assert_pipe+0xd4/0xe0 [i915]
>[  446.132361]  [<f8c5a088>] intel_enable_primary_plane+0x28/0xb0 [i915]
>[  446.132391]  [<f8c5e876>] i9xx_crtc_enable+0x1f6/0x3a0 [i915]
>[  446.132421]  [<f8c60e9c>] __intel_set_mode+0x75c/0x8b0 [i915]
>[  446.132454]  [<f8c63b43>] intel_set_mode+0x23/0x40 [i915]
>[  446.132484]  [<f8c64391>] intel_crtc_set_config+0x741/0x920 [i915]
>[  446.132510]  [<f8b3926b>] drm_mode_set_config_internal+0x4b/0xc0 [drm]
>[  446.132532]  [<f8b3bd5f>] drm_mode_setcrtc+0xdf/0x560 [drm]
>[  446.132556]  [<f8b3bc80>] ? drm_mode_setplane+0x400/0x400 [drm]
>[  446.132573]  [<f8b2e792>] drm_ioctl+0x472/0x500 [drm]
>[  446.132596]  [<f8b3bc80>] ? drm_mode_setplane+0x400/0x400 [drm]
>[  446.132614]  [<f8b2e320>] ? drm_free_buffer+0x30/0x30 [drm]
>[  446.132620]  [<c118acb2>] do_vfs_ioctl+0x2e2/0x4d0
>[  446.132627]  [<c165fc27>] ? __do_page_fault+0x237/0x510
>[  446.132632]  [<c118af00>] SyS_ioctl+0x60/0x80
>[  446.132637]  [<c166398d>] sysenter_do_call+0x12/0x12
>[  446.132641] ---[ end trace 119e63a4df1bf1a1 ]---
>[  446.260051] ------------[ cut here ]------------
>[  446.260100] WARNING: CPU: 1 PID: 1073 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:9237 intel_modeset_check_state+0x5dd/0x750 [i915]()
>[  446.260104] encoder's hw state doesn't match sw tracking (expected 1, found 0)
>[  446.260107] Modules linked in: ctr ccm bnep rfcomm bluetooth binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek hid_generic hid_logitech_dj snd_usb_audio usbhid snd_usbmidi_lib hid gpio_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwl3945 iwlegacy i915 snd_seq coretemp mac80211 snd_seq_device snd_timer drm_kms_helper snd joydev serio_raw cfg80211 soundcore drm lpc_ich i2c_algo_bit video mac_hid parport_pc ppdev lp parport ums_realtek usb_storage ahci psmouse libahci sky2
>[  446.260176] CPU: 1 PID: 1073 Comm: Xorg Tainted: G        W     3.13.0-43-generic #72-Ubuntu
>[  446.260179] Hardware name:  /, BIOS 1.06A 04/24/2008
>[  446.260182]  00000000 00000000 f25f1cb0 c1655602 f25f1cf0 f25f1ce0 c105699e f8caddbc
>[  446.260191]  f25f1d0c 00000431 f8cabc24 00002415 f8c6394d f8c6394d f6a36700 ef47a9c0
>[  446.260201]  00000001 f25f1cf8 c10569f3 00000009 f25f1cf0 f8caddbc f25f1d0c f25f1d4c
>[  446.260210] Call Trace:
>[  446.260221]  [<c1655602>] dump_stack+0x41/0x52
>[  446.260228]  [<c105699e>] warn_slowpath_common+0x7e/0xa0
>[  446.260260]  [<f8c6394d>] ? intel_modeset_check_state+0x5dd/0x750 [i915]
>[  446.260290]  [<f8c6394d>] ? intel_modeset_check_state+0x5dd/0x750 [i915]
>[  446.260296]  [<c10569f3>] warn_slowpath_fmt+0x33/0x40
>[  446.260326]  [<f8c6394d>] intel_modeset_check_state+0x5dd/0x750 [i915]
>[  446.260358]  [<f8c63b50>] intel_set_mode+0x30/0x40 [i915]
>[  446.260389]  [<f8c64391>] intel_crtc_set_config+0x741/0x920 [i915]
>[  446.260415]  [<f8b3926b>] drm_mode_set_config_internal+0x4b/0xc0 [drm]
>[  446.260438]  [<f8b3bd5f>] drm_mode_setcrtc+0xdf/0x560 [drm]
>[  446.260461]  [<f8b3bc80>] ? drm_mode_setplane+0x400/0x400 [drm]
>[  446.260478]  [<f8b2e792>] drm_ioctl+0x472/0x500 [drm]
>[  446.260501]  [<f8b3bc80>] ? drm_mode_setplane+0x400/0x400 [drm]
>[  446.260519]  [<f8b2e320>] ? drm_free_buffer+0x30/0x30 [drm]
>[  446.260526]  [<c118acb2>] do_vfs_ioctl+0x2e2/0x4d0
>[  446.260533]  [<c165fc27>] ? __do_page_fault+0x237/0x510
>[  446.260538]  [<c118af00>] SyS_ioctl+0x60/0x80
>[  446.260543]  [<c166398d>] sysenter_do_call+0x12/0x12
>[  446.260547] ---[ end trace 119e63a4df1bf1a2 ]---
>[  446.260551] ------------[ cut here ]------------
>[  446.260581] WARNING: CPU: 1 PID: 1073 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:9237 intel_modeset_check_state+0x5dd/0x750 [i915]()
>[  446.260584] encoder's hw state doesn't match sw tracking (expected 1, found 0)
>[  446.260586] Modules linked in: ctr ccm bnep rfcomm bluetooth binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek hid_generic hid_logitech_dj snd_usb_audio usbhid snd_usbmidi_lib hid gpio_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwl3945 iwlegacy i915 snd_seq coretemp mac80211 snd_seq_device snd_timer drm_kms_helper snd joydev serio_raw cfg80211 soundcore drm lpc_ich i2c_algo_bit video mac_hid parport_pc ppdev lp parport ums_realtek usb_storage ahci psmouse libahci sky2
>[  446.260646] CPU: 1 PID: 1073 Comm: Xorg Tainted: G        W     3.13.0-43-generic #72-Ubuntu
>[  446.260648] Hardware name:  /, BIOS 1.06A 04/24/2008
>[  446.260651]  00000000 00000000 f25f1cb0 c1655602 f25f1cf0 f25f1ce0 c105699e f8caddbc
>[  446.260660]  f25f1d0c 00000431 f8cabc24 00002415 f8c6394d f8c6394d f26d0800 ef47a9c0
>[  446.260669]  00000001 f25f1cf8 c10569f3 00000009 f25f1cf0 f8caddbc f25f1d0c f25f1d4c
>[  446.260685] Call Trace:
>[  446.260692]  [<c1655602>] dump_stack+0x41/0x52
>[  446.260697]  [<c105699e>] warn_slowpath_common+0x7e/0xa0
>[  446.260728]  [<f8c6394d>] ? intel_modeset_check_state+0x5dd/0x750 [i915]
>[  446.260758]  [<f8c6394d>] ? intel_modeset_check_state+0x5dd/0x750 [i915]
>[  446.260764]  [<c10569f3>] warn_slowpath_fmt+0x33/0x40
>[  446.260794]  [<f8c6394d>] intel_modeset_check_state+0x5dd/0x750 [i915]
>[  446.260825]  [<f8c63b50>] intel_set_mode+0x30/0x40 [i915]
>[  446.260855]  [<f8c64391>] intel_crtc_set_config+0x741/0x920 [i915]
>[  446.260878]  [<f8b3926b>] drm_mode_set_config_internal+0x4b/0xc0 [drm]
>[  446.260899]  [<f8b3bd5f>] drm_mode_setcrtc+0xdf/0x560 [drm]
>[  446.260923]  [<f8b3bc80>] ? drm_mode_setplane+0x400/0x400 [drm]
>[  446.260938]  [<f8b2e792>] drm_ioctl+0x472/0x500 [drm]
>[  446.260961]  [<f8b3bc80>] ? drm_mode_setplane+0x400/0x400 [drm]
>[  446.260979]  [<f8b2e320>] ? drm_free_buffer+0x30/0x30 [drm]
>[  446.260984]  [<c118acb2>] do_vfs_ioctl+0x2e2/0x4d0
>[  446.260989]  [<c165fc27>] ? __do_page_fault+0x237/0x510
>[  446.260995]  [<c118af00>] SyS_ioctl+0x60/0x80
>[  446.260999]  [<c166398d>] sysenter_do_call+0x12/0x12
>[  446.261003] ---[ end trace 119e63a4df1bf1a3 ]---
>[  446.261008] ------------[ cut here ]------------
>[  446.261036] WARNING: CPU: 1 PID: 1073 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:9306 check_crtc_state+0x2e8/0x320 [i915]()
>[  446.261039] crtc active state doesn't match with hw state (expected 1, found 0)
>[  446.261041] Modules linked in: ctr ccm bnep rfcomm bluetooth binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek hid_generic hid_logitech_dj snd_usb_audio usbhid snd_usbmidi_lib hid gpio_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwl3945 iwlegacy i915 snd_seq coretemp mac80211 snd_seq_device snd_timer drm_kms_helper snd joydev serio_raw cfg80211 soundcore drm lpc_ich i2c_algo_bit video mac_hid parport_pc ppdev lp parport ums_realtek usb_storage ahci psmouse libahci sky2
>[  446.261100] CPU: 1 PID: 1073 Comm: Xorg Tainted: G        W     3.13.0-43-generic #72-Ubuntu
>[  446.261103] Hardware name:  /, BIOS 1.06A 04/24/2008
>[  446.261105]  00000000 00000000 f25f1a48 c1655602 f25f1a88 f25f1a78 c105699e f8cad004
>[  446.261114]  f25f1aa4 00000431 f8cabc24 0000245a f8c56fd8 f8c56fd8 ef47a9d8 f6b01000
>[  446.261123]  ef47a9d4 f25f1a90 c10569f3 00000009 f25f1a88 f8cad004 f25f1aa4 f25f1cf8
>[  446.261132] Call Trace:
>[  446.261138]  [<c1655602>] dump_stack+0x41/0x52
>[  446.261143]  [<c105699e>] warn_slowpath_common+0x7e/0xa0
>[  446.261172]  [<f8c56fd8>] ? check_crtc_state+0x2e8/0x320 [i915]
>[  446.261200]  [<f8c56fd8>] ? check_crtc_state+0x2e8/0x320 [i915]
>[  446.261206]  [<c10569f3>] warn_slowpath_fmt+0x33/0x40
>[  446.261235]  [<f8c56fd8>] check_crtc_state+0x2e8/0x320 [i915]
>[  446.261468]  [<f8c635f3>] intel_modeset_check_state+0x283/0x750 [i915]
>[  446.261501]  [<f8c63b50>] intel_set_mode+0x30/0x40 [i915]
>[  446.261532]  [<f8c64391>] intel_crtc_set_config+0x741/0x920 [i915]
>[  446.261555]  [<f8b3926b>] drm_mode_set_config_internal+0x4b/0xc0 [drm]
>[  446.261576]  [<f8b3bd5f>] drm_mode_setcrtc+0xdf/0x560 [drm]
>[  446.261600]  [<f8b3bc80>] ? drm_mode_setplane+0x400/0x400 [drm]
>[  446.261616]  [<f8b2e792>] drm_ioctl+0x472/0x500 [drm]
>[  446.261639]  [<f8b3bc80>] ? drm_mode_setplane+0x400/0x400 [drm]
>[  446.261657]  [<f8b2e320>] ? drm_free_buffer+0x30/0x30 [drm]
>[  446.261662]  [<c118acb2>] do_vfs_ioctl+0x2e2/0x4d0
>[  446.261667]  [<c165fc27>] ? __do_page_fault+0x237/0x510
>[  446.261673]  [<c118af00>] SyS_ioctl+0x60/0x80
>[  446.261677]  [<c166398d>] sysenter_do_call+0x12/0x12
>[  446.261681] ---[ end trace 119e63a4df1bf1a4 ]---
>[  446.261684] ------------[ cut here ]------------
>[  446.261713] WARNING: CPU: 1 PID: 1073 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:9306 check_crtc_state+0x2e8/0x320 [i915]()
>[  446.261716] crtc active state doesn't match with hw state (expected 1, found 0)
>[  446.261718] Modules linked in: ctr ccm bnep rfcomm bluetooth binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek hid_generic hid_logitech_dj snd_usb_audio usbhid snd_usbmidi_lib hid gpio_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwl3945 iwlegacy i915 snd_seq coretemp mac80211 snd_seq_device snd_timer drm_kms_helper snd joydev serio_raw cfg80211 soundcore drm lpc_ich i2c_algo_bit video mac_hid parport_pc ppdev lp parport ums_realtek usb_storage ahci psmouse libahci sky2
>[  446.261777] CPU: 1 PID: 1073 Comm: Xorg Tainted: G        W     3.13.0-43-generic #72-Ubuntu
>[  446.261780] Hardware name:  /, BIOS 1.06A 04/24/2008
>[  446.261782]  00000000 00000000 f25f1a48 c1655602 f25f1a88 f25f1a78 c105699e f8cad004
>[  446.261791]  f25f1aa4 00000431 f8cabc24 0000245a f8c56fd8 f8c56fd8 ef47a9d8 f6b06000
>[  446.261800]  ef47a9d4 f25f1a90 c10569f3 00000009 f25f1a88 f8cad004 f25f1aa4 f25f1cf8
>[  446.261809] Call Trace:
>[  446.261815]  [<c1655602>] dump_stack+0x41/0x52
>[  446.261821]  [<c105699e>] warn_slowpath_common+0x7e/0xa0
>[  446.261850]  [<f8c56fd8>] ? check_crtc_state+0x2e8/0x320 [i915]
>[  446.261878]  [<f8c56fd8>] ? check_crtc_state+0x2e8/0x320 [i915]
>[  446.261884]  [<c10569f3>] warn_slowpath_fmt+0x33/0x40
>[  446.261913]  [<f8c56fd8>] check_crtc_state+0x2e8/0x320 [i915]
>[  446.261947]  [<f8c635f3>] intel_modeset_check_state+0x283/0x750 [i915]
>[  446.261979]  [<f8c63b50>] intel_set_mode+0x30/0x40 [i915]
>[  446.262009]  [<f8c64391>] intel_crtc_set_config+0x741/0x920 [i915]
>[  446.262031]  [<f8b3926b>] drm_mode_set_config_internal+0x4b/0xc0 [drm]
>[  446.262052]  [<f8b3bd5f>] drm_mode_setcrtc+0xdf/0x560 [drm]
>[  446.262076]  [<f8b3bc80>] ? drm_mode_setplane+0x400/0x400 [drm]
>[  446.262092]  [<f8b2e792>] drm_ioctl+0x472/0x500 [drm]
>[  446.262115]  [<f8b3bc80>] ? drm_mode_setplane+0x400/0x400 [drm]
>[  446.262133]  [<f8b2e320>] ? drm_free_buffer+0x30/0x30 [drm]
>[  446.262138]  [<c118acb2>] do_vfs_ioctl+0x2e2/0x4d0
>[  446.262143]  [<c165fc27>] ? __do_page_fault+0x237/0x510
>[  446.262148]  [<c118af00>] SyS_ioctl+0x60/0x80
>[  446.262153]  [<c166398d>] sysenter_do_call+0x12/0x12
>[  446.262156] ---[ end trace 119e63a4df1bf1a5 ]---
>[  446.409566] ------------[ cut here ]------------
>[  446.409620] WARNING: CPU: 1 PID: 1073 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:922 assert_pll+0x73/0x80 [i915]()
>[  446.409624] PLL state assertion failure (expected on, current off)
>[  446.409626] Modules linked in: ctr ccm bnep rfcomm bluetooth binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek hid_generic hid_logitech_dj snd_usb_audio usbhid snd_usbmidi_lib hid gpio_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwl3945 iwlegacy i915 snd_seq coretemp mac80211 snd_seq_device snd_timer drm_kms_helper snd joydev serio_raw cfg80211 soundcore drm lpc_ich i2c_algo_bit video mac_hid parport_pc ppdev lp parport ums_realtek usb_storage ahci psmouse libahci sky2
>[  446.409696] CPU: 1 PID: 1073 Comm: Xorg Tainted: G        W     3.13.0-43-generic #72-Ubuntu
>[  446.409699] Hardware name:  /, BIOS 1.06A 04/24/2008
>[  446.409702]  00000000 00000000 f25f1d60 c1655602 f25f1da0 f25f1d90 c105699e f8cad2d0
>[  446.409712]  f25f1dbc 00000431 f8cabc24 0000039a f8c58fa3 f8c58fa3 00000001 00000001
>[  446.409721]  00000000 f25f1da8 c10569f3 00000009 f25f1da0 f8cad2d0 f25f1dbc f25f1dcc
>[  446.409731] Call Trace:
>[  446.409743]  [<c1655602>] dump_stack+0x41/0x52
>[  446.409752]  [<c105699e>] warn_slowpath_common+0x7e/0xa0
>[  446.409781]  [<f8c58fa3>] ? assert_pll+0x73/0x80 [i915]
>[  446.409810]  [<f8c58fa3>] ? assert_pll+0x73/0x80 [i915]
>[  446.409816]  [<c10569f3>] warn_slowpath_fmt+0x33/0x40
>[  446.409845]  [<f8c58fa3>] assert_pll+0x73/0x80 [i915]
>[  446.409876]  [<f8c5e66a>] intel_crtc_load_lut+0x19a/0x1b0 [i915]
>[  446.409905]  [<f8c5f861>] intel_crtc_gamma_set+0x71/0x80 [i915]
>[  446.409937]  [<f8b3d908>] drm_mode_gamma_set_ioctl+0x118/0x130 [drm]
>[  446.409958]  [<f8b3d7f0>] ? drm_mode_connector_property_set_ioctl+0x40/0x40 [drm]
>[  446.409975]  [<f8b2e792>] drm_ioctl+0x472/0x500 [drm]
>[  446.409999]  [<f8b3d7f0>] ? drm_mode_connector_property_set_ioctl+0x40/0x40 [drm]
>[  446.410007]  [<c10b1c7f>] ? ktime_get+0x4f/0x130
>[  446.410014]  [<c12fa5e0>] ? timerqueue_add+0x50/0xb0
>[  446.410020]  [<c1077c2e>] ? enqueue_hrtimer+0x1e/0x70
>[  446.410025]  [<c10786d8>] ? __hrtimer_start_range_ns+0x1a8/0x3f0
>[  446.410041]  [<f8b2e320>] ? drm_free_buffer+0x30/0x30 [drm]
>[  446.410250]  [<c118acb2>] do_vfs_ioctl+0x2e2/0x4d0
>[  446.410255]  [<c1078977>] ? hrtimer_start+0x27/0x30
>[  446.410260]  [<c1059de0>] ? do_setitimer+0x200/0x270
>[  446.410266]  [<c10b21a8>] ? ktime_get_ts+0x48/0x140
>[  446.410271]  [<c118af00>] SyS_ioctl+0x60/0x80
>[  446.410277]  [<c166398d>] sysenter_do_call+0x12/0x12
>[  446.410280] ---[ end trace 119e63a4df1bf1a6 ]---
>[  446.411379] ------------[ cut here ]------------
>[  446.411424] WARNING: CPU: 1 PID: 1073 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:922 assert_pll+0x73/0x80 [i915]()
>[  446.411428] PLL state assertion failure (expected on, current off)
>[  446.411430] Modules linked in: ctr ccm bnep rfcomm bluetooth binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek hid_generic hid_logitech_dj snd_usb_audio usbhid snd_usbmidi_lib hid gpio_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwl3945 iwlegacy i915 snd_seq coretemp mac80211 snd_seq_device snd_timer drm_kms_helper snd joydev serio_raw cfg80211 soundcore drm lpc_ich i2c_algo_bit video mac_hid parport_pc ppdev lp parport ums_realtek usb_storage ahci psmouse libahci sky2
>[  446.411509] CPU: 1 PID: 1073 Comm: Xorg Tainted: G        W     3.13.0-43-generic #72-Ubuntu
>[  446.411512] Hardware name:  /, BIOS 1.06A 04/24/2008
>[  446.411514]  00000000 00000000 f25f1d60 c1655602 f25f1da0 f25f1d90 c105699e f8cad2d0
>[  446.411524]  f25f1dbc 00000431 f8cabc24 0000039a f8c58fa3 f8c58fa3 00000001 00000001
>[  446.411534]  00000000 f25f1da8 c10569f3 00000009 f25f1da0 f8cad2d0 f25f1dbc f25f1dcc
>[  446.411543] Call Trace:
>[  446.411552]  [<c1655602>] dump_stack+0x41/0x52
>[  446.411560]  [<c105699e>] warn_slowpath_common+0x7e/0xa0
>[  446.411590]  [<f8c58fa3>] ? assert_pll+0x73/0x80 [i915]
>[  446.411619]  [<f8c58fa3>] ? assert_pll+0x73/0x80 [i915]
>[  446.411624]  [<c10569f3>] warn_slowpath_fmt+0x33/0x40
>[  446.411653]  [<f8c58fa3>] assert_pll+0x73/0x80 [i915]
>[  446.411684]  [<f8c5e66a>] intel_crtc_load_lut+0x19a/0x1b0 [i915]
>[  446.411714]  [<f8c5f861>] intel_crtc_gamma_set+0x71/0x80 [i915]
>[  446.411739]  [<f8b3d908>] drm_mode_gamma_set_ioctl+0x118/0x130 [drm]
>[  446.411803]  [<f8b3d7f0>] ? drm_mode_connector_property_set_ioctl+0x40/0x40 [drm]
>[  446.411819]  [<f8b2e792>] drm_ioctl+0x472/0x500 [drm]
>[  446.411842]  [<f8b3d7f0>] ? drm_mode_connector_property_set_ioctl+0x40/0x40 [drm]
>[  446.411850]  [<c10b1c7f>] ? ktime_get+0x4f/0x130
>[  446.411857]  [<c12fa5e0>] ? timerqueue_add+0x50/0xb0
>[  446.411862]  [<c1077c2e>] ? enqueue_hrtimer+0x1e/0x70
>[  446.411867]  [<c10786d8>] ? __hrtimer_start_range_ns+0x1a8/0x3f0
>[  446.411883]  [<f8b2e320>] ? drm_free_buffer+0x30/0x30 [drm]
>[  446.411889]  [<c118acb2>] do_vfs_ioctl+0x2e2/0x4d0
>[  446.411894]  [<c1078977>] ? hrtimer_start+0x27/0x30
>[  446.411899]  [<c1059de0>] ? do_setitimer+0x200/0x270
>[  446.411904]  [<c10b21a8>] ? ktime_get_ts+0x48/0x140
>[  446.411909]  [<c118af00>] SyS_ioctl+0x60/0x80
>[  446.411914]  [<c166398d>] sysenter_do_call+0x12/0x12
>[  446.411918] ---[ end trace 119e63a4df1bf1a7 ]---
>[  446.418022] ------------[ cut here ]------------
>[  446.418075] WARNING: CPU: 0 PID: 1073 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:922 assert_pll+0x73/0x80 [i915]()
>[  446.418114] PLL state assertion failure (expected on, current off)
>[  446.418116] Modules linked in: ctr ccm bnep rfcomm bluetooth binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek hid_generic hid_logitech_dj snd_usb_audio usbhid snd_usbmidi_lib hid gpio_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwl3945 iwlegacy i915 snd_seq coretemp mac80211 snd_seq_device snd_timer drm_kms_helper snd joydev serio_raw cfg80211 soundcore drm lpc_ich i2c_algo_bit video mac_hid parport_pc ppdev lp parport ums_realtek usb_storage ahci psmouse libahci sky2
>[  446.418184] CPU: 0 PID: 1073 Comm: Xorg Tainted: G        W     3.13.0-43-generic #72-Ubuntu
>[  446.418187] Hardware name:  /, BIOS 1.06A 04/24/2008
>[  446.418190]  00000000 00000000 f25f1d60 c1655602 f25f1da0 f25f1d90 c105699e f8cad2d0
>[  446.418200]  f25f1dbc 00000431 f8cabc24 0000039a f8c58fa3 f8c58fa3 00000001 00000001
>[  446.418209]  00000000 f25f1da8 c10569f3 00000009 f25f1da0 f8cad2d0 f25f1dbc f25f1dcc
>[  446.418218] Call Trace:
>[  446.418230]  [<c1655602>] dump_stack+0x41/0x52
>[  446.418237]  [<c105699e>] warn_slowpath_common+0x7e/0xa0
>[  446.418267]  [<f8c58fa3>] ? assert_pll+0x73/0x80 [i915]
>[  446.418296]  [<f8c58fa3>] ? assert_pll+0x73/0x80 [i915]
>[  446.418302]  [<c10569f3>] warn_slowpath_fmt+0x33/0x40
>[  446.418331]  [<f8c58fa3>] assert_pll+0x73/0x80 [i915]
>[  446.418362]  [<f8c5e66a>] intel_crtc_load_lut+0x19a/0x1b0 [i915]
>[  446.418391]  [<f8c5f861>] intel_crtc_gamma_set+0x71/0x80 [i915]
>[  446.418418]  [<f8b3d908>] drm_mode_gamma_set_ioctl+0x118/0x130 [drm]
>[  446.418440]  [<f8b3d7f0>] ? drm_mode_connector_property_set_ioctl+0x40/0x40 [drm]
>[  446.418456]  [<f8b2e792>] drm_ioctl+0x472/0x500 [drm]
>[  446.418479]  [<f8b3d7f0>] ? drm_mode_connector_property_set_ioctl+0x40/0x40 [drm]
>[  446.418488]  [<c10b1c7f>] ? ktime_get+0x4f/0x130
>[  446.418494]  [<c12fa5e0>] ? timerqueue_add+0x50/0xb0
>[  446.418500]  [<c1077c2e>] ? enqueue_hrtimer+0x1e/0x70
>[  446.418505]  [<c10786d8>] ? __hrtimer_start_range_ns+0x1a8/0x3f0
>[  446.418521]  [<f8b2e320>] ? drm_free_buffer+0x30/0x30 [drm]
>[  446.418527]  [<c118acb2>] do_vfs_ioctl+0x2e2/0x4d0
>[  446.418532]  [<c1078977>] ? hrtimer_start+0x27/0x30
>[  446.418537]  [<c1059de0>] ? do_setitimer+0x200/0x270
>[  446.418542]  [<c10b21a8>] ? ktime_get_ts+0x48/0x140
>[  446.418547]  [<c118af00>] SyS_ioctl+0x60/0x80
>[  446.418552]  [<c166398d>] sysenter_do_call+0x12/0x12
>[  446.418555] ---[ end trace 119e63a4df1bf1a8 ]---
>[  446.427994] ------------[ cut here ]------------
>[  446.428071] WARNING: CPU: 1 PID: 1073 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:922 assert_pll+0x73/0x80 [i915]()
>[  446.428075] PLL state assertion failure (expected on, current off)
>[  446.428078] Modules linked in: ctr ccm bnep rfcomm bluetooth binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek hid_generic hid_logitech_dj snd_usb_audio usbhid snd_usbmidi_lib hid gpio_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwl3945 iwlegacy i915 snd_seq coretemp mac80211 snd_seq_device snd_timer drm_kms_helper snd joydev serio_raw cfg80211 soundcore drm lpc_ich i2c_algo_bit video mac_hid parport_pc ppdev lp parport ums_realtek usb_storage ahci psmouse libahci sky2
>[  446.428146] CPU: 1 PID: 1073 Comm: Xorg Tainted: G        W     3.13.0-43-generic #72-Ubuntu
>[  446.428148] Hardware name:  /, BIOS 1.06A 04/24/2008
>[  446.428151]  00000000 00000000 f25f1d60 c1655602 f25f1da0 f25f1d90 c105699e f8cad2d0
>[  446.428161]  f25f1dbc 00000431 f8cabc24 0000039a f8c58fa3 f8c58fa3 00000001 00000001
>[  446.428170]  00000000 f25f1da8 c10569f3 00000009 f25f1da0 f8cad2d0 f25f1dbc f25f1dcc
>[  446.428179] Call Trace:
>[  446.428190]  [<c1655602>] dump_stack+0x41/0x52
>[  446.428198]  [<c105699e>] warn_slowpath_common+0x7e/0xa0
>[  446.428228]  [<f8c58fa3>] ? assert_pll+0x73/0x80 [i915]
>[  446.428256]  [<f8c58fa3>] ? assert_pll+0x73/0x80 [i915]
>[  446.428262]  [<c10569f3>] warn_slowpath_fmt+0x33/0x40
>[  446.428291]  [<f8c58fa3>] assert_pll+0x73/0x80 [i915]
>[  446.428322]  [<f8c5e66a>] intel_crtc_load_lut+0x19a/0x1b0 [i915]
>[  446.428351]  [<f8c5f861>] intel_crtc_gamma_set+0x71/0x80 [i915]
>[  446.428377]  [<f8b3d908>] drm_mode_gamma_set_ioctl+0x118/0x130 [drm]
>[  446.428398]  [<f8b3d7f0>] ? drm_mode_connector_property_set_ioctl+0x40/0x40 [drm]
>[  446.428415]  [<f8b2e792>] drm_ioctl+0x472/0x500 [drm]
>[  446.428438]  [<f8b3d7f0>] ? drm_mode_connector_property_set_ioctl+0x40/0x40 [drm]
>[  446.428445]  [<c10b1c7f>] ? ktime_get+0x4f/0x130
>[  446.428452]  [<c12fa5e0>] ? timerqueue_add+0x50/0xb0
>[  446.428457]  [<c1077c2e>] ? enqueue_hrtimer+0x1e/0x70
>[  446.428462]  [<c10786d8>] ? __hrtimer_start_range_ns+0x1a8/0x3f0
>[  446.428478]  [<f8b2e320>] ? drm_free_buffer+0x30/0x30 [drm]
>[  446.428484]  [<c118acb2>] do_vfs_ioctl+0x2e2/0x4d0
>[  446.428489]  [<c1078977>] ? hrtimer_start+0x27/0x30
>[  446.428494]  [<c1059de0>] ? do_setitimer+0x200/0x270
>[  446.428499]  [<c10b21a8>] ? ktime_get_ts+0x48/0x140
>[  446.428504]  [<c118af00>] SyS_ioctl+0x60/0x80
>[  446.428509]  [<c166398d>] sysenter_do_call+0x12/0x12
>[  446.428512] ---[ end trace 119e63a4df1bf1a9 ]---
>[  446.438209] ------------[ cut here ]------------
>[  446.438256] WARNING: CPU: 1 PID: 1073 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:922 assert_pll+0x73/0x80 [i915]()
>[  446.438260] PLL state assertion failure (expected on, current off)
>[  446.438263] Modules linked in: ctr ccm bnep rfcomm bluetooth binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek hid_generic hid_logitech_dj snd_usb_audio usbhid snd_usbmidi_lib hid gpio_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwl3945 iwlegacy i915 snd_seq coretemp mac80211 snd_seq_device snd_timer drm_kms_helper snd joydev serio_raw cfg80211 soundcore drm lpc_ich i2c_algo_bit video mac_hid parport_pc ppdev lp parport ums_realtek usb_storage ahci psmouse libahci sky2
>[  446.438330] CPU: 1 PID: 1073 Comm: Xorg Tainted: G        W     3.13.0-43-generic #72-Ubuntu
>[  446.438333] Hardware name:  /, BIOS 1.06A 04/24/2008
>[  446.438336]  00000000 00000000 f25f1d60 c1655602 f25f1da0 f25f1d90 c105699e f8cad2d0
>[  446.438346]  f25f1dbc 00000431 f8cabc24 0000039a f8c58fa3 f8c58fa3 00000001 00000001
>[  446.438355]  00000000 f25f1da8 c10569f3 00000009 f25f1da0 f8cad2d0 f25f1dbc f25f1dcc
>[  446.438365] Call Trace:
>[  446.438375]  [<c1655602>] dump_stack+0x41/0x52
>[  446.438382]  [<c105699e>] warn_slowpath_common+0x7e/0xa0
>[  446.438412]  [<f8c58fa3>] ? assert_pll+0x73/0x80 [i915]
>[  446.438441]  [<f8c58fa3>] ? assert_pll+0x73/0x80 [i915]
>[  446.438612]  [<c10569f3>] warn_slowpath_fmt+0x33/0x40
>[  446.438642]  [<f8c58fa3>] assert_pll+0x73/0x80 [i915]
>[  446.438673]  [<f8c5e66a>] intel_crtc_load_lut+0x19a/0x1b0 [i915]
>[  446.438702]  [<f8c5f861>] intel_crtc_gamma_set+0x71/0x80 [i915]
>[  446.438729]  [<f8b3d908>] drm_mode_gamma_set_ioctl+0x118/0x130 [drm]
>[  446.438751]  [<f8b3d7f0>] ? drm_mode_connector_property_set_ioctl+0x40/0x40 [drm]
>[  446.438767]  [<f8b2e792>] drm_ioctl+0x472/0x500 [drm]
>[  446.438791]  [<f8b3d7f0>] ? drm_mode_connector_property_set_ioctl+0x40/0x40 [drm]
>[  446.438799]  [<c10b1c7f>] ? ktime_get+0x4f/0x130
>[  446.438806]  [<c12fa5e0>] ? timerqueue_add+0x50/0xb0
>[  446.438811]  [<c1077c2e>] ? enqueue_hrtimer+0x1e/0x70
>[  446.438816]  [<c10786d8>] ? __hrtimer_start_range_ns+0x1a8/0x3f0
>[  446.438832]  [<f8b2e320>] ? drm_free_buffer+0x30/0x30 [drm]
>[  446.438839]  [<c118acb2>] do_vfs_ioctl+0x2e2/0x4d0
>[  446.438843]  [<c1078977>] ? hrtimer_start+0x27/0x30
>[  446.438848]  [<c1059de0>] ? do_setitimer+0x200/0x270
>[  446.438853]  [<c10b21a8>] ? ktime_get_ts+0x48/0x140
>[  446.438858]  [<c118af00>] SyS_ioctl+0x60/0x80
>[  446.438864]  [<c166398d>] sysenter_do_call+0x12/0x12
>[  446.438868] ---[ end trace 119e63a4df1bf1aa ]---
>[  446.439590] ------------[ cut here ]------------
>[  446.439633] WARNING: CPU: 1 PID: 1073 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:922 assert_pll+0x73/0x80 [i915]()
>[  446.439636] PLL state assertion failure (expected on, current off)
>[  446.439639] Modules linked in: ctr ccm bnep rfcomm bluetooth binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek hid_generic hid_logitech_dj snd_usb_audio usbhid snd_usbmidi_lib hid gpio_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwl3945 iwlegacy i915 snd_seq coretemp mac80211 snd_seq_device snd_timer drm_kms_helper snd joydev serio_raw cfg80211 soundcore drm lpc_ich i2c_algo_bit video mac_hid parport_pc ppdev lp parport ums_realtek usb_storage ahci psmouse libahci sky2
>[  446.439705] CPU: 1 PID: 1073 Comm: Xorg Tainted: G        W     3.13.0-43-generic #72-Ubuntu
>[  446.439708] Hardware name:  /, BIOS 1.06A 04/24/2008
>[  446.439711]  00000000 00000000 f25f1d60 c1655602 f25f1da0 f25f1d90 c105699e f8cad2d0
>[  446.439906]  f25f1dbc 00000431 f8cabc24 0000039a f8c58fa3 f8c58fa3 00000001 00000001
>[  446.439915]  00000000 f25f1da8 c10569f3 00000009 f25f1da0 f8cad2d0 f25f1dbc f25f1dcc
>[  446.439925] Call Trace:
>[  446.439935]  [<c1655602>] dump_stack+0x41/0x52
>[  446.439941]  [<c105699e>] warn_slowpath_common+0x7e/0xa0
>[  446.439972]  [<f8c58fa3>] ? assert_pll+0x73/0x80 [i915]
>[  446.440000]  [<f8c58fa3>] ? assert_pll+0x73/0x80 [i915]
>[  446.440034]  [<c10569f3>] warn_slowpath_fmt+0x33/0x40
>[  446.440063]  [<f8c58fa3>] assert_pll+0x73/0x80 [i915]
>[  446.440094]  [<f8c5e66a>] intel_crtc_load_lut+0x19a/0x1b0 [i915]
>[  446.440123]  [<f8c5f861>] intel_crtc_gamma_set+0x71/0x80 [i915]
>[  446.440148]  [<f8b3d908>] drm_mode_gamma_set_ioctl+0x118/0x130 [drm]
>[  446.440169]  [<f8b3d7f0>] ? drm_mode_connector_property_set_ioctl+0x40/0x40 [drm]
>[  446.440186]  [<f8b2e792>] drm_ioctl+0x472/0x500 [drm]
>[  446.440209]  [<f8b3d7f0>] ? drm_mode_connector_property_set_ioctl+0x40/0x40 [drm]
>[  446.440218]  [<c10b1c7f>] ? ktime_get+0x4f/0x130
>[  446.440225]  [<c12fa5e0>] ? timerqueue_add+0x50/0xb0
>[  446.440231]  [<c1077c2e>] ? enqueue_hrtimer+0x1e/0x70
>[  446.440236]  [<c10786d8>] ? __hrtimer_start_range_ns+0x1a8/0x3f0
>[  446.440252]  [<f8b2e320>] ? drm_free_buffer+0x30/0x30 [drm]
>[  446.440258]  [<c118acb2>] do_vfs_ioctl+0x2e2/0x4d0
>[  446.440262]  [<c1078977>] ? hrtimer_start+0x27/0x30
>[  446.440409]  [<c1059de0>] ? do_setitimer+0x200/0x270
>[  446.440414]  [<c10b21a8>] ? ktime_get_ts+0x48/0x140
>[  446.440419]  [<c118af00>] SyS_ioctl+0x60/0x80
>[  446.440425]  [<c166398d>] sysenter_do_call+0x12/0x12
>[  446.440428] ---[ end trace 119e63a4df1bf1ab ]---
>[  446.446793] ------------[ cut here ]------------
>[  446.446841] WARNING: CPU: 0 PID: 1073 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:922 assert_pll+0x73/0x80 [i915]()
>[  446.446845] PLL state assertion failure (expected on, current off)
>[  446.446848] Modules linked in: ctr ccm bnep rfcomm bluetooth binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek hid_generic hid_logitech_dj snd_usb_audio usbhid snd_usbmidi_lib hid gpio_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwl3945 iwlegacy i915 snd_seq coretemp mac80211 snd_seq_device snd_timer drm_kms_helper snd joydev serio_raw cfg80211 soundcore drm lpc_ich i2c_algo_bit video mac_hid parport_pc ppdev lp parport ums_realtek usb_storage ahci psmouse libahci sky2
>[  446.446916] CPU: 0 PID: 1073 Comm: Xorg Tainted: G        W     3.13.0-43-generic #72-Ubuntu
>[  446.446919] Hardware name:  /, BIOS 1.06A 04/24/2008
>[  446.446922]  00000000 00000000 f25f1d60 c1655602 f25f1da0 f25f1d90 c105699e f8cad2d0
>[  446.446932]  f25f1dbc 00000431 f8cabc24 0000039a f8c58fa3 f8c58fa3 00000001 00000001
>[  446.446941]  00000000 f25f1da8 c10569f3 00000009 f25f1da0 f8cad2d0 f25f1dbc f25f1dcc
>[  446.446951] Call Trace:
>[  446.446962]  [<c1655602>] dump_stack+0x41/0x52
>[  446.446969]  [<c105699e>] warn_slowpath_common+0x7e/0xa0
>[  446.446999]  [<f8c58fa3>] ? assert_pll+0x73/0x80 [i915]
>[  446.447027]  [<f8c58fa3>] ? assert_pll+0x73/0x80 [i915]
>[  446.447033]  [<c10569f3>] warn_slowpath_fmt+0x33/0x40
>[  446.447062]  [<f8c58fa3>] assert_pll+0x73/0x80 [i915]
>[  446.447093]  [<f8c5e66a>] intel_crtc_load_lut+0x19a/0x1b0 [i915]
>[  446.447122]  [<f8c5f861>] intel_crtc_gamma_set+0x71/0x80 [i915]
>[  446.447150]  [<f8b3d908>] drm_mode_gamma_set_ioctl+0x118/0x130 [drm]
>[  446.447172]  [<f8b3d7f0>] ? drm_mode_connector_property_set_ioctl+0x40/0x40 [drm]
>[  446.447188]  [<f8b2e792>] drm_ioctl+0x472/0x500 [drm]
>[  446.447211]  [<f8b3d7f0>] ? drm_mode_connector_property_set_ioctl+0x40/0x40 [drm]
>[  446.447219]  [<c10b1c7f>] ? ktime_get+0x4f/0x130
>[  446.447226]  [<c12fa5e0>] ? timerqueue_add+0x50/0xb0
>[  446.447231]  [<c1077c2e>] ? enqueue_hrtimer+0x1e/0x70
>[  446.447236]  [<c10786d8>] ? __hrtimer_start_range_ns+0x1a8/0x3f0
>[  446.447252]  [<f8b2e320>] ? drm_free_buffer+0x30/0x30 [drm]
>[  446.447258]  [<c118acb2>] do_vfs_ioctl+0x2e2/0x4d0
>[  446.447263]  [<c1078977>] ? hrtimer_start+0x27/0x30
>[  446.447268]  [<c1059de0>] ? do_setitimer+0x200/0x270
>[  446.447273]  [<c10b21a8>] ? ktime_get_ts+0x48/0x140
>[  446.447278]  [<c118af00>] SyS_ioctl+0x60/0x80
>[  446.447283]  [<c166398d>] sysenter_do_call+0x12/0x12
>[  446.447286] ---[ end trace 119e63a4df1bf1ac ]---
>[  473.340283] sd 5:0:0:0: [sdb] Test WP failed, assume Write Enabled
>[  473.341933] sd 5:0:0:0: [sdb] Asking for cache data failed
>[  473.341941] sd 5:0:0:0: [sdb] Assuming drive cache: write through
>[  525.567472] sd 5:0:0:0: [sdb] Test WP failed, assume Write Enabled
>[  525.569095] sd 5:0:0:0: [sdb] Asking for cache data failed
>[  525.569103] sd 5:0:0:0: [sdb] Assuming drive cache: write through
>[  529.986216] perf samples too long (2502 > 2500), lowering kernel.perf_event_max_sample_rate to 50000
>[  577.791460] sd 5:0:0:0: [sdb] Test WP failed, assume Write Enabled
>[  577.793131] sd 5:0:0:0: [sdb] Asking for cache data failed
>[  577.793140] sd 5:0:0:0: [sdb] Assuming drive cache: write through
>[  630.015256] sd 5:0:0:0: [sdb] Test WP failed, assume Write Enabled
>[  630.016869] sd 5:0:0:0: [sdb] Asking for cache data failed
>[  630.016876] sd 5:0:0:0: [sdb] Assuming drive cache: write through
>[  682.235253] sd 5:0:0:0: [sdb] Test WP failed, assume Write Enabled
>[  682.237003] sd 5:0:0:0: [sdb] Asking for cache data failed
>[  682.237009] sd 5:0:0:0: [sdb] Assuming drive cache: write through
>[  734.459135] sd 5:0:0:0: [sdb] Test WP failed, assume Write Enabled
>[  734.460760] sd 5:0:0:0: [sdb] Asking for cache data failed
>[  734.460766] sd 5:0:0:0: [sdb] Assuming drive cache: write through
>[  786.687325] sd 5:0:0:0: [sdb] Test WP failed, assume Write Enabled
>[  786.688938] sd 5:0:0:0: [sdb] Asking for cache data failed
>[  786.688945] sd 5:0:0:0: [sdb] Assuming drive cache: write through
>[  838.911448] sd 5:0:0:0: [sdb] Test WP failed, assume Write Enabled
>[  838.913200] sd 5:0:0:0: [sdb] Asking for cache data failed
>[  838.913208] sd 5:0:0:0: [sdb] Assuming drive cache: write through
>[  891.135316] sd 5:0:0:0: [sdb] Test WP failed, assume Write Enabled
>[  891.136937] sd 5:0:0:0: [sdb] Asking for cache data failed
>[  891.136946] sd 5:0:0:0: [sdb] Assuming drive cache: write through
>[  943.359109] sd 5:0:0:0: [sdb] Test WP failed, assume Write Enabled
>[  943.360724] sd 5:0:0:0: [sdb] Asking for cache data failed
>[  943.360730] sd 5:0:0:0: [sdb] Assuming drive cache: write through
>[  995.583317] sd 5:0:0:0: [sdb] Test WP failed, assume Write Enabled
>[  995.584934] sd 5:0:0:0: [sdb] Asking for cache data failed
>[  995.584940] sd 5:0:0:0: [sdb] Assuming drive cache: write through
>[ 1047.807357] sd 5:0:0:0: [sdb] Test WP failed, assume Write Enabled
>[ 1047.809004] sd 5:0:0:0: [sdb] Asking for cache data failed
>[ 1047.809014] sd 5:0:0:0: [sdb] Assuming drive cache: write through
>[ 1100.031406] sd 5:0:0:0: [sdb] Test WP failed, assume Write Enabled
>[ 1100.033022] sd 5:0:0:0: [sdb] Asking for cache data failed
>[ 1100.033031] sd 5:0:0:0: [sdb] Assuming drive cache: write through
>[ 1152.255319] sd 5:0:0:0: [sdb] Test WP failed, assume Write Enabled
>[ 1152.256938] sd 5:0:0:0: [sdb] Asking for cache data failed
>[ 1152.256945] sd 5:0:0:0: [sdb] Assuming drive cache: write through
>[ 1204.475260] sd 5:0:0:0: [sdb] Test WP failed, assume Write Enabled
>[ 1204.476872] sd 5:0:0:0: [sdb] Asking for cache data failed
>[ 1204.476881] sd 5:0:0:0: [sdb] Assuming drive cache: write through

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Attachments on bug 88281: 112075 | 112076 | 112077

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