Bug 75321

Summary:	[drm:ironlake_disable_pch_transcoder] ERROR failed to disable transcoder B (trace)
Product:	Drivers	Reporter:	George Shuklin (george.shuklin)
Component:	Video(DRI - Intel)	Assignee:	Todd Previte (tprevite)
Status:	RESOLVED INSUFFICIENT_DATA
Severity:	low	CC:	daniel, intel-gfx-bugs
Priority:	P1
Hardware:	i386
OS:	Linux
Kernel Version:	3.13.0-24-generic	Subsystem:
Regression:	Yes	Bisected commit-id:

Description George Shuklin 2014-05-02 15:57:10 UTC

I acidentially unplug my display-port monitor from power and linux suddenly freeze for some time. It unfreeze lately, here trace:

(hid messages here because monitor was USB switch):

[18748.738486] hid-generic 0003:04F2:0402.0002: can't reset device, 0000:00:1d.0-1.1.2/input1, status -71
[18748.742364] kye 0003:0458:5010.0005: can't reset device, 0000:00:1d.0-1.1.1.2/input0, status -71
[18748.742482] usb 2-1.1: clear tt 2 (0060) error -71
[18748.743362] hid-generic 0003:09DA:C10A.0003: can't reset device, 0000:00:1d.0-1.1.3/input0, status -71
[18748.746362] usb 2-1.1.1: clear tt 1 (00a0) error -71
[18748.746489] hid-generic 0003:04F2:0402.0001: can't reset device, 0000:00:1d.0-1.1.2/input0, status -71
[18748.747362] usb 2-1.1: clear tt 3 (0070) error -71
[18748.751773] usb 2-1.1: clear tt 2 (0060) error -71
[18748.755742] hid-generic 0003:04F2:0402.0002: can't reset device, 0000:00:1d.0-1.1.2/input1, status -71
[18748.758364] kye 0003:0458:5010.0005: can't reset device, 0000:00:1d.0-1.1.1.2/input0, status -71
[18748.759362] hid-generic 0003:09DA:C10A.0003: can't reset device, 0000:00:1d.0-1.1.3/input0, status -71
[18748.759733] usb 2-1.1: clear tt 2 (0060) error -71
[18748.762501] usb 2-1.1.1: clear tt 1 (00a0) error -71
[18748.763398] hid-generic 0003:041E:30D3.0004: can't reset device, 0000:00:1d.0-1.1.1.3/input3, status -71
[18748.763774] hid-generic 0003:04F2:0402.0001: can't reset device, 0000:00:1d.0-1.1.2/input0, status -71
[18748.763993] usb 2-1.1: clear tt 3 (0070) error -71
[18748.768253] usb 2-1.1: clear tt 2 (0060) error -71
[18748.768267] usb 2-1.1.1: clear tt 1 (0090) error -71
[18748.768291] kye 0003:0458:5010.0005: can't reset device, 0000:00:1d.0-1.1.1.2/input0, status -71
[18748.772267] usb 2-1.1.1: clear tt 1 (00a0) error -71
[18748.772291] hid-generic 0003:04F2:0402.0002: can't reset device, 0000:00:1d.0-1.1.2/input1, status -71
[18748.775393] hid-generic 0003:09DA:C10A.0003: can't reset device, 0000:00:1d.0-1.1.3/input0, status -71
[18748.776286] kye 0003:0458:5010.0005: can't reset device, 0000:00:1d.0-1.1.1.2/input0, status -71
[18748.776296] usb 2-1.1: clear tt 2 (0060) error -71
[18748.794025] hid-generic 0003:04F2:0402.0001: can't reset device, 0000:00:1d.0-1.1.2/input0, status -71
[18748.794037] usb 2-1.1.1: clear tt 1 (00a0) error -71
[18748.794054] usb 2-1.1: clear tt 3 (0070) error -71
[18748.798033] hid-generic 0003:09DA:C10A.0003: can't reset device, 0000:00:1d.0-1.1.3/input0, status -71
[18748.798038] kye 0003:0458:5010.0005: can't reset device, 0000:00:1d.0-1.1.1.2/input0, status -71
[18748.798041] usb 2-1.1: clear tt 2 (0060) error -71
[18748.802071] usb 2-1.1.1: clear tt 1 (00a0) error -71
[18748.802076] hid-generic 0003:04F2:0402.0002: can't reset device, 0000:00:1d.0-1.1.2/input1, status -71
[18748.802760] usb 2-1.1: clear tt 3 (0070) error -71
[18748.807017] usb 2-1.1: clear tt 2 (0060) error -71
[18748.811020] hid-generic 0003:04F2:0402.0001: can't reset device, 0000:00:1d.0-1.1.2/input0, status -71
[18748.815045] usb 2-1.1: clear tt 2 (0060) error -71
[18748.815089] kye 0003:0458:5010.0005: can't reset device, 0000:00:1d.0-1.1.1.2/input0, status -71
[18748.815401] hid-generic 0003:09DA:C10A.0003: can't reset device, 0000:00:1d.0-1.1.3/input0, status -71
[18748.819022] hid-generic 0003:04F2:0402.0001: can't reset device, 0000:00:1d.0-1.1.2/input0, status -71
[18748.819129] usb 2-1.1.1: clear tt 1 (00a0) error -71
[18748.819384] usb 2-1.1: clear tt 3 (0070) error -71
[18748.823759] usb 2-1.1: clear tt 2 (0060) error -71
[18748.827460] hid-generic 0003:041E:30D3.0004: can't reset device, 0000:00:1d.0-1.1.1.3/input3, status -71
[18748.827803] hid-generic 0003:04F2:0402.0002: can't reset device, 0000:00:1d.0-1.1.2/input1, status -71
[18748.830401] kye 0003:0458:5010.0005: can't reset device, 0000:00:1d.0-1.1.1.2/input0, status -71
[18748.831513] hid-generic 0003:09DA:C10A.0003: can't reset device, 0000:00:1d.0-1.1.3/input0, status -71
[18748.831521] usb 2-1.1.1: clear tt 1 (0090) error -71
[18748.831796] usb 2-1.1: clear tt 2 (0060) error -71
[18748.835792] hid-generic 0003:04F2:0402.0001: can't reset device, 0000:00:1d.0-1.1.2/input0, status -71
[18748.836013] usb 2-1.1.1: clear tt 1 (00a0) error -71
[18748.836263] usb 2-1.1: clear tt 3 (0070) error -71
[18748.840519] usb 2-1.1: clear tt 2 (0060) error -71
[18748.844526] hid-generic 0003:04F2:0402.0002: can't reset device, 0000:00:1d.0-1.1.2/input1, status -71
[18748.846398] kye 0003:0458:5010.0005: can't reset device, 0000:00:1d.0-1.1.1.2/input0, status -71
[18748.847390] hid-generic 0003:09DA:C10A.0003: can't reset device, 0000:00:1d.0-1.1.3/input0, status -71
[18748.848509] usb 2-1.1: clear tt 2 (0060) error -71
[18748.850391] usb 2-1.1.1: clear tt 1 (00a0) error -71
[18748.852526] hid-generic 0003:04F2:0402.0001: can't reset device, 0000:00:1d.0-1.1.2/input0, status -71
[18748.852761] usb 2-1.1: clear tt 3 (0070) error -71
[18748.857999] usb 2-1.1: clear tt 2 (0060) error -71
[18748.862091] hid-generic 0003:04F2:0402.0002: can't reset device, 0000:00:1d.0-1.1.2/input1, status -71
[18748.862406] kye 0003:0458:5010.0005: can't reset device, 0000:00:1d.0-1.1.1.2/input0, status -71
[18748.863416] hid-generic 0003:09DA:C10A.0003: can't reset device, 0000:00:1d.0-1.1.3/input0, status -71
[18748.866154] usb 2-1.1: clear tt 2 (0060) error -71
[18748.866391] usb 2-1.1.1: clear tt 1 (00a0) error -71
[18748.870204] hid-generic 0003:04F2:0402.0001: can't reset device, 0000:00:1d.0-1.1.2/input0, status -71
[18748.870397] usb 2-1.1: clear tt 3 (0070) error -71
[18748.874664] usb 2-1.1: clear tt 2 (0060) error -71
[18748.878406] kye 0003:0458:5010.0005: can't reset device, 0000:00:1d.0-1.1.1.2/input0, status -71
[18748.878651] hid-generic 0003:04F2:0402.0002: can't reset device, 0000:00:1d.0-1.1.2/input1, status -71
[18748.879394] hid-generic 0003:09DA:C10A.0003: can't reset device, 0000:00:1d.0-1.1.3/input0, status -71
[18748.882394] usb 2-1.1.1: clear tt 1 (00a0) error -71
[18748.882639] usb 2-1.1: clear tt 2 (0060) error -71
[18748.886896] usb 2-1.1: clear tt 3 (0070) error -71
[18748.889402] hid-generic 0003:04F2:0402.0001: can't reset device, 0000:00:1d.0-1.1.2/input0, status -71
[18748.891402] hid-generic 0003:041E:30D3.0004: can't reset device, 0000:00:1d.0-1.1.1.3/input3, status -71
[18748.893397] usb 2-1.1: clear tt 2 (0060) error -71
[18748.894404] kye 0003:0458:5010.0005: can't reset device, 0000:00:1d.0-1.1.1.2/input0, status -71
[18748.895405] hid-generic 0003:09DA:C10A.0003: can't reset device, 0000:00:1d.0-1.1.3/input0, status -71
[18748.895410] usb 2-1.1.1: clear tt 1 (0090) error -71
[18748.898419] hid-generic 0003:04F2:0402.0002: can't reset device, 0000:00:1d.0-1.1.2/input1, status -71
[18748.899404] usb 2-1.1: clear tt 3 (0070) error -71
[18748.899901] usb 2-1.1.1: clear tt 1 (00a0) error -71
[18748.903651] usb 2-1.1: clear tt 2 (0060) error -71
[18748.907660] hid-generic 0003:04F2:0402.0001: can't reset device, 0000:00:1d.0-1.1.2/input0, status -71
[18748.910418] kye 0003:0458:5010.0005: can't reset device, 0000:00:1d.0-1.1.1.2/input0, status -71
[18748.911425] hid-generic 0003:09DA:C10A.0003: can't reset device, 0000:00:1d.0-1.1.3/input0, status -71
[18748.911647] usb 2-1.1: clear tt 2 (0060) error -71
[18748.914399] usb 2-1.1.1: clear tt 1 (00a0) error -71
[18748.915653] hid-generic 0003:04F2:0402.0002: can't reset device, 0000:00:1d.0-1.1.2/input1, status -71
[18748.915899] usb 2-1.1: clear tt 3 (0070) error -71
[18748.918414] ------------[ cut here ]------------
[18748.918457] WARNING: CPU: 3 PID: 1300 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:9226 intel_modeset_check_state+0x5dd/0x750 [i915]()
[18748.918460] encoder's hw state doesn't match sw tracking (expected 1, found 0)
[18748.918462] Modules linked in: ctr ccm pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) snd_usb_audio snd_usbmidi_lib snd_hwdep snd_rawmidi snd_seq_device hid_kye snd_pcm snd_page_alloc snd_timer wacom joydev arc4 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp iwldvm kvm_intel kvm mac80211 crc32_pclmul uvcvideo aesni_intel aes_i586 videobuf2_vmalloc xts videobuf2_memops lrw videobuf2_core videodev gf128mul ablk_helper iwlwifi btusb psmouse cryptd bnep rfcomm thinkpad_acpi serio_raw mei_me bluetooth cfg80211 lpc_ich mei nvram snd binfmt_misc parport_pc soundcore ppdev mac_hid lp parport btrfs xor raid6_pq libcrc32c usb_storage hid_generic usbhid hid mmc_block i915 e1000e i2c_algo_bit sdhci_pci drm_kms_helper ahci ptp libahci sdhci pps_core drm wmi video
[18748.918520] CPU: 3 PID: 1300 Comm: Xorg Tainted: GF          O 3.13.0-24-generic #46-Ubuntu
[18748.918522] Hardware name: LENOVO 4298R86/4298R86, BIOS 8DET56WW (1.26 ) 12/01/2011
[18748.918524]  00000000 00000000 eac81cb4 c164b873 eac81cf4 eac81ce4 c10567ee f8e9cbdc
[18748.918531]  eac81d10 00000514 f8e9aa44 0000240a f8e535ed f8e535ed f656a000 f65681c0
[18748.918538]  00000001 eac81cfc c1056843 00000009 eac81cf4 f8e9cbdc eac81d10 eac81d50
[18748.918544] Call Trace:
[18748.918552]  [<c164b873>] dump_stack+0x41/0x52
[18748.918558]  [<c10567ee>] warn_slowpath_common+0x7e/0xa0
[18748.918582]  [<f8e535ed>] ? intel_modeset_check_state+0x5dd/0x750 [i915]
[18748.918602]  [<f8e535ed>] ? intel_modeset_check_state+0x5dd/0x750 [i915]
[18748.918607]  [<c1056843>] warn_slowpath_fmt+0x33/0x40
[18748.918627]  [<f8e535ed>] intel_modeset_check_state+0x5dd/0x750 [i915]
[18748.918650]  [<f8e537f0>] intel_set_mode+0x30/0x40 [i915]
[18748.918669]  [<f8e54031>] intel_crtc_set_config+0x741/0x920 [i915]
[18748.918693]  [<f8c4f20b>] drm_mode_set_config_internal+0x4b/0xc0 [drm]
[18748.918709]  [<f8c4f480>] drm_framebuffer_remove+0xb0/0x100 [drm]
[18748.918723]  [<f8c4f2b9>] ? __drm_framebuffer_unreference+0x39/0x60 [drm]
[18748.918740]  [<f8c52b90>] drm_mode_rmfb+0xb0/0xe0 [drm]
[18748.918755]  [<f8c52ae0>] ? drm_mode_addfb2+0x7a0/0x7a0 [drm]
[18748.918769]  [<f8c44792>] drm_ioctl+0x472/0x500 [drm]
[18748.918786]  [<f8c52ae0>] ? drm_mode_addfb2+0x7a0/0x7a0 [drm]
[18748.918793]  [<c113fc0a>] ? vma_interval_tree_insert+0x6a/0x80
[18748.918797]  [<c1148f30>] ? __vma_link_file+0x40/0x70
[18748.918801]  [<c11496c2>] ? vma_link+0x62/0xb0
[18748.918805]  [<c114b70c>] ? mmap_region+0x15c/0x530
[18748.918818]  [<f8c44320>] ? drm_free_buffer+0x30/0x30 [drm]
[18748.918822]  [<c1187182>] do_vfs_ioctl+0x2e2/0x4d0
[18748.918826]  [<c114bd76>] ? do_mmap_pgoff+0x296/0x350
[18748.918831]  [<c126cdff>] ? security_mmap_file+0x3f/0x80
[18748.918835]  [<c11396db>] ? vm_mmap_pgoff+0x7b/0xa0
[18748.918839]  [<c11873d0>] SyS_ioctl+0x60/0x80
[18748.918843]  [<c1659b4d>] sysenter_do_call+0x12/0x28
[18748.918846] ---[ end trace d18d0437dd2292f4 ]---
[18748.918864] [drm:intel_pipe_config_compare] *ERROR* mismatch in has_dp_encoder (expected 1, found 0)
[18748.918866] ------------[ cut here ]------------
[18748.918886] WARNING: CPU: 3 PID: 1300 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:9299 check_crtc_state+0x221/0x320 [i915]()
[18748.918888] pipe state doesn't match!
[18748.918889] Modules linked in: ctr ccm pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) snd_usb_audio snd_usbmidi_lib snd_hwdep snd_rawmidi snd_seq_device hid_kye snd_pcm snd_page_alloc snd_timer wacom joydev arc4 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp iwldvm kvm_intel kvm mac80211 crc32_pclmul uvcvideo aesni_intel aes_i586 videobuf2_vmalloc xts videobuf2_memops lrw videobuf2_core videodev gf128mul ablk_helper iwlwifi btusb psmouse cryptd bnep rfcomm thinkpad_acpi serio_raw mei_me bluetooth cfg80211 lpc_ich mei nvram snd binfmt_misc parport_pc soundcore ppdev mac_hid lp parport btrfs xor raid6_pq libcrc32c usb_storage hid_generic usbhid hid mmc_block i915 e1000e i2c_algo_bit sdhci_pci drm_kms_helper ahci ptp libahci sdhci pps_core drm wmi video
[18748.918942] CPU: 3 PID: 1300 Comm: Xorg Tainted: GF       W  O 3.13.0-24-generic #46-Ubuntu
[18748.918944] Hardware name: LENOVO 4298R86/4298R86, BIOS 8DET56WW (1.26 ) 12/01/2011
[18748.918946]  00000000 00000000 eac81a4c c164b873 eac81a8c eac81a7c c10567ee f8ea4950
[18748.918952]  eac81aa8 00000514 f8e9aa44 00002453 f8e46bb1 f8e46bb1 f65681d8 f6e84000
[18748.918959]  f6e8464c eac81a94 c1056843 00000009 eac81a8c f8ea4950 eac81aa8 eac81cfc
[18748.918966] Call Trace:
[18748.918969]  [<c164b873>] dump_stack+0x41/0x52
[18748.918974]  [<c10567ee>] warn_slowpath_common+0x7e/0xa0
[18748.918995]  [<f8e46bb1>] ? check_crtc_state+0x221/0x320 [i915]
[18748.919014]  [<f8e46bb1>] ? check_crtc_state+0x221/0x320 [i915]
[18748.919018]  [<c1056843>] warn_slowpath_fmt+0x33/0x40
[18748.919038]  [<f8e46bb1>] check_crtc_state+0x221/0x320 [i915]
[18748.919039] kye 0003:0458:5010.0005: can't reset device, 0000:00:1d.0-1.1.1.2/input0, status -71
[18748.919065]  [<f8e53293>] intel_modeset_check_state+0x283/0x750 [i915]
[18748.919087]  [<f8e537f0>] intel_set_mode+0x30/0x40 [i915]
[18748.919106]  [<f8e54031>] intel_crtc_set_config+0x741/0x920 [i915]
[18748.919125]  [<f8c4f20b>] drm_mode_set_config_internal+0x4b/0xc0 [drm]
[18748.919140]  [<f8c4f480>] drm_framebuffer_remove+0xb0/0x100 [drm]
[18748.919154]  [<f8c4f2b9>] ? __drm_framebuffer_unreference+0x39/0x60 [drm]
[18748.919169]  [<f8c52b90>] drm_mode_rmfb+0xb0/0xe0 [drm]
[18748.919183]  [<f8c52ae0>] ? drm_mode_addfb2+0x7a0/0x7a0 [drm]
[18748.919196]  [<f8c44792>] drm_ioctl+0x472/0x500 [drm]
[18748.919212]  [<f8c52ae0>] ? drm_mode_addfb2+0x7a0/0x7a0 [drm]
[18748.919218]  [<c113fc0a>] ? vma_interval_tree_insert+0x6a/0x80
[18748.919222]  [<c1148f30>] ? __vma_link_file+0x40/0x70
[18748.919226]  [<c11496c2>] ? vma_link+0x62/0xb0
[18748.919230]  [<c114b70c>] ? mmap_region+0x15c/0x530
[18748.919241]  [<f8c44320>] ? drm_free_buffer+0x30/0x30 [drm]
[18748.919245]  [<c1187182>] do_vfs_ioctl+0x2e2/0x4d0
[18748.919249]  [<c114bd76>] ? do_mmap_pgoff+0x296/0x350
[18748.919252]  [<c126cdff>] ? security_mmap_file+0x3f/0x80
[18748.919256]  [<c11396db>] ? vm_mmap_pgoff+0x7b/0xa0
[18748.919259]  [<c11873d0>] SyS_ioctl+0x60/0x80
[18748.919264]  [<c1659b4d>] sysenter_do_call+0x12/0x28
[18748.919266] ---[ end trace d18d0437dd2292f5 ]---
[18748.920156] usb 2-1.1: clear tt 2 (0060) error -71
[18748.921794] ------------[ cut here ]------------
[18748.921817] WARNING: CPU: 2 PID: 1300 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_dp.c:2747 intel_dp_link_down+0x1a0/0x1d0 [i915]()
[18748.921818] Modules linked in: ctr ccm pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) snd_usb_audio snd_usbmidi_lib snd_hwdep snd_rawmidi snd_seq_device hid_kye snd_pcm snd_page_alloc snd_timer wacom joydev arc4 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp iwldvm kvm_intel kvm mac80211 crc32_pclmul uvcvideo aesni_intel aes_i586 videobuf2_vmalloc xts videobuf2_memops lrw videobuf2_core videodev gf128mul ablk_helper iwlwifi btusb psmouse cryptd bnep rfcomm thinkpad_acpi serio_raw mei_me bluetooth cfg80211 lpc_ich mei nvram snd binfmt_misc parport_pc soundcore ppdev mac_hid lp parport btrfs xor raid6_pq libcrc32c usb_storage hid_generic usbhid hid mmc_block i915 e1000e i2c_algo_bit sdhci_pci drm_kms_helper ahci ptp libahci sdhci pps_core drm wmi video
[18748.921857] CPU: 2 PID: 1300 Comm: Xorg Tainted: GF       W  O 3.13.0-24-generic #46-Ubuntu
[18748.921858] Hardware name: LENOVO 4298R86/4298R86, BIOS 8DET56WW (1.26 ) 12/01/2011
[18748.921859]  00000000 00000000 eac81c08 c164b873 00000000 eac81c38 c10567ee c1826ffc
[18748.921864]  00000002 00000514 f8e9e3dc 00000abb f8e5f950 f8e5f950 f656a078 f6580000
[18748.921868]  f6568000 eac81c48 c10568b2 00000009 00000000 eac81c78 f8e5f950 f6568000
[18748.921873] Call Trace:
[18748.921876]  [<c164b873>] dump_stack+0x41/0x52
[18748.921880]  [<c10567ee>] warn_slowpath_common+0x7e/0xa0
[18748.921895]  [<f8e5f950>] ? intel_dp_link_down+0x1a0/0x1d0 [i915]
[18748.921907]  [<f8e5f950>] ? intel_dp_link_down+0x1a0/0x1d0 [i915]
[18748.921910]  [<c10568b2>] warn_slowpath_null+0x22/0x30
[18748.921922]  [<f8e5f950>] intel_dp_link_down+0x1a0/0x1d0 [i915]
[18748.921936]  [<f8e637e9>] ? intel_dp_sink_dpms+0x99/0xa0 [i915]
[18748.921949]  [<f8e63847>] intel_disable_dp+0x57/0x60 [i915]
[18748.921982]  [<f8e4a298>] ironlake_crtc_disable+0x148/0x860 [i915]
[18748.921995]  [<c1162ca4>] ? __kmalloc+0x124/0x160
[18748.922019]  [<f8e5066b>] __intel_set_mode+0x28b/0x8b0 [i915]
[18748.922045]  [<f8e537e3>] intel_set_mode+0x23/0x40 [i915]
[18748.922070]  [<f8e54031>] intel_crtc_set_config+0x741/0x920 [i915]
[18748.922097]  [<f8c4f20b>] drm_mode_set_config_internal+0x4b/0xc0 [drm]
[18748.922119]  [<f8c4f480>] drm_framebuffer_remove+0xb0/0x100 [drm]
[18748.922141]  [<f8c4f2b9>] ? __drm_framebuffer_unreference+0x39/0x60 [drm]
[18748.922163]  [<f8c52b90>] drm_mode_rmfb+0xb0/0xe0 [drm]
[18748.922184]  [<f8c52ae0>] ? drm_mode_addfb2+0x7a0/0x7a0 [drm]
[18748.922198]  [<f8c44792>] drm_ioctl+0x472/0x500 [drm]
[18748.922217]  [<f8c52ae0>] ? drm_mode_addfb2+0x7a0/0x7a0 [drm]
[18748.922223]  [<c113fc0a>] ? vma_interval_tree_insert+0x6a/0x80
[18748.922227]  [<c1148f30>] ? __vma_link_file+0x40/0x70
[18748.922231]  [<c11496c2>] ? vma_link+0x62/0xb0
[18748.922235]  [<c114b70c>] ? mmap_region+0x15c/0x530
[18748.922249]  [<f8c44320>] ? drm_free_buffer+0x30/0x30 [drm]
[18748.922253]  [<c1187182>] do_vfs_ioctl+0x2e2/0x4d0
[18748.922257]  [<c114bd76>] ? do_mmap_pgoff+0x296/0x350
[18748.922261]  [<c126cdff>] ? security_mmap_file+0x3f/0x80
[18748.922265]  [<c11396db>] ? vm_mmap_pgoff+0x7b/0xa0
[18748.922269]  [<c11873d0>] SyS_ioctl+0x60/0x80
[18748.922273]  [<c1659b4d>] sysenter_do_call+0x12/0x28
[18748.922276] ---[ end trace d18d0437dd2292f6 ]---
[18748.923029] usb 2-1.1.1: clear tt 1 (00a0) error -71
[18748.924158] hid-generic 0003:04F2:0402.0001: can't reset device, 0000:00:1d.0-1.1.2/input0, status -71
[18748.927409] hid-generic 0003:09DA:C10A.0003: can't reset device, 0000:00:1d.0-1.1.3/input0, status -71
[18748.928352] usb 2-1.1: clear tt 2 (0060) error -71
[18748.932421] usb 2-1.1: clear tt 3 (0070) error -71
[18748.932438] hid-generic 0003:04F2:0402.0002: can't reset device, 0000:00:1d.0-1.1.2/input1, status -71
[18748.934456] kye 0003:0458:5010.0005: can't reset device, 0000:00:1d.0-1.1.1.2/input0, status -71
[18748.936702] usb 2-1.1: clear tt 2 (0060) error -71
[18748.938441] usb 2-1.1.1: clear tt 1 (00a0) error -71
[18748.940808] hid-generic 0003:04F2:0402.0001: can't reset device, 0000:00:1d.0-1.1.2/input0, status -71
[18748.943417] hid-generic 0003:09DA:C10A.0003: can't reset device, 0000:00:1d.0-1.1.3/input0, status -71
[18748.944785] usb 2-1.1: clear tt 2 (0060) error -71
[18748.946660] usb 2-1.1: USB disconnect, device number 3
[18748.946664] usb 2-1.1.1: USB disconnect, device number 5
[18748.946667] usb 2-1.1.1.1: USB disconnect, device number 8
[18748.947292] usb 2-1.1.1.2: USB disconnect, device number 10
[18748.948790] hid-generic 0003:04F2:0402.0002: can't reset device, 0000:00:1d.0-1.1.2/input1, status -71
[18748.948909] cannot submit urb (err = -19)
[18748.949037] usb 2-1.1: clear tt 3 (0070) error -71
[18748.950306] kye 0003:0458:5010.0005: can't reset device, 0000:00:1d.0-1.1.1.2/input0, status -71
[18748.955040] cannot submit urb (err = -19)
[18748.961041] cannot submit urb (err = -19)
[18748.994310] usb 2-1.1.1.3: USB disconnect, device number 9
[18749.034327] usb 2-1.1.2: USB disconnect, device number 6
[18749.150155] usb 2-1.1.3: USB disconnect, device number 7
[18754.955570] mce: [Hardware Error]: Machine check events logged
[18761.893989] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment
[18761.894008] pci 0000:00:00.0: no hotplug settings from platform
[18761.894011] pci 0000:00:00.0: using default PCI settings
[18761.894021] i915 0000:00:02.0: no hotplug settings from platform
[18761.894023] i915 0000:00:02.0: using default PCI settings
[18761.894031] mei_me 0000:00:16.0: no hotplug settings from platform
[18761.894034] mei_me 0000:00:16.0: using default PCI settings
[18761.894045] e1000e 0000:00:19.0: no hotplug settings from platform
[18761.894048] e1000e 0000:00:19.0: using default PCI settings
[18761.894059] ehci-pci 0000:00:1a.0: no hotplug settings from platform
[18761.894062] ehci-pci 0000:00:1a.0: using default PCI settings
[18761.894073] pci 0000:00:1b.0: no hotplug settings from platform
[18761.894078] pcieport 0000:00:1c.0: no hotplug settings from platform
[18761.894083] pcieport 0000:00:1c.1: no hotplug settings from platform
[18761.894096] iwlwifi 0000:03:00.0: no hotplug settings from platform
[18761.894101] pcieport 0000:00:1c.4: no hotplug settings from platform
[18761.894257] sdhci-pci 0000:0d:00.0: no hotplug settings from platform
[18761.894264] ehci-pci 0000:00:1d.0: no hotplug settings from platform
[18761.894267] ehci-pci 0000:00:1d.0: using default PCI settings
[18761.894283] lpc_ich 0000:00:1f.0: no hotplug settings from platform
[18761.894287] lpc_ich 0000:00:1f.0: using default PCI settings
[18761.894303] ahci 0000:00:1f.2: no hotplug settings from platform
[18761.894307] ahci 0000:00:1f.2: using default PCI settings
[18761.894320] pci 0000:00:1f.3: no hotplug settings from platform
[18761.894323] pci 0000:00:1f.3: using default PCI settings
[18770.251633] [drm:intel_dp_start_link_train] *ERROR* failed to enable link training
[18770.254390] [drm:intel_dp_complete_link_train] *ERROR* failed to start channel equalization
[18770.287728] [drm:cpt_verify_modeset] *ERROR* mode set failed: pipe B stuck
[18770.351795] ------------[ cut here ]------------
[18770.351840] WARNING: CPU: 2 PID: 1300 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:9226 intel_modeset_check_state+0x5dd/0x750 [i915]()
[18770.351842] encoder's hw state doesn't match sw tracking (expected 1, found 0)
[18770.351882] Modules linked in: ctr ccm pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) snd_usb_audio snd_usbmidi_lib snd_hwdep snd_rawmidi snd_seq_device hid_kye snd_pcm snd_page_alloc snd_timer wacom joydev arc4 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp iwldvm kvm_intel kvm mac80211 crc32_pclmul uvcvideo aesni_intel aes_i586 videobuf2_vmalloc xts videobuf2_memops lrw videobuf2_core videodev gf128mul ablk_helper iwlwifi btusb psmouse cryptd bnep rfcomm thinkpad_acpi serio_raw mei_me bluetooth cfg80211 lpc_ich mei nvram snd binfmt_misc parport_pc soundcore ppdev mac_hid lp parport btrfs xor raid6_pq libcrc32c usb_storage hid_generic usbhid hid mmc_block i915 e1000e i2c_algo_bit sdhci_pci drm_kms_helper ahci ptp libahci sdhci pps_core drm wmi video
[18770.351887] CPU: 2 PID: 1300 Comm: Xorg Tainted: GF       W  O 3.13.0-24-generic #46-Ubuntu
[18770.351888] Hardware name: LENOVO 4298R86/4298R86, BIOS 8DET56WW (1.26 ) 12/01/2011
[18770.351895]  00000000 00000000 eac81af0 c164b873 eac81b30 eac81b20 c10567ee f8e9cbdc
[18770.351899]  eac81b4c 00000514 f8e9aa44 0000240a f8e535ed f8e535ed f656a000 f65681c0
[18770.351904]  00000001 eac81b38 c1056843 00000009 eac81b30 f8e9cbdc eac81b4c eac81b8c
[18770.351904] Call Trace:
[18770.351912]  [<c164b873>] dump_stack+0x41/0x52
[18770.351918]  [<c10567ee>] warn_slowpath_common+0x7e/0xa0
[18770.351945]  [<f8e535ed>] ? intel_modeset_check_state+0x5dd/0x750 [i915]
[18770.351965]  [<f8e535ed>] ? intel_modeset_check_state+0x5dd/0x750 [i915]
[18770.351969]  [<c1056843>] warn_slowpath_fmt+0x33/0x40
[18770.351990]  [<f8e535ed>] intel_modeset_check_state+0x5dd/0x750 [i915]
[18770.352015]  [<f8e537f0>] intel_set_mode+0x30/0x40 [i915]
[18770.352034]  [<f8e54031>] intel_crtc_set_config+0x741/0x920 [i915]
[18770.352061]  [<f8c4f20b>] drm_mode_set_config_internal+0x4b/0xc0 [drm]
[18770.352070]  [<f8be591d>] drm_fb_helper_set_par+0x4d/0x730 [drm_kms_helper]
[18770.352074]  [<c134be7d>] fb_set_var+0x1bd/0x410
[18770.352079]  [<c13578de>] fbcon_blank+0x1ee/0x2e0
[18770.352086]  [<c13d6786>] do_unblank_screen+0xa6/0x1c0
[18770.352089]  [<c13cda21>] complete_change_console+0x51/0xe0
[18770.352091]  [<c13cea5f>] vt_ioctl+0xfaf/0x1080
[18770.352103]  [<c11afa25>] ? send_to_group+0x125/0x1f0
[18770.352105]  [<c13cdab0>] ? complete_change_console+0xe0/0xe0
[18770.352109]  [<c13c3a43>] tty_ioctl+0x233/0xa20
[18770.352112]  [<c11b0053>] ? fsnotify_put_event+0x53/0x90
[18770.352116]  [<c11b0053>] ? fsnotify_put_event+0x53/0x90
[18770.352119]  [<c11afcf8>] ? fsnotify+0x208/0x2d0
[18770.352122]  [<c13c3810>] ? no_tty+0x30/0x30
[18770.352126]  [<c1187182>] do_vfs_ioctl+0x2e2/0x4d0
[18770.352129]  [<c12f9600>] ? lockref_put_or_lock+0x20/0x30
[18770.352132]  [<c11783f1>] ? __sb_end_write+0x31/0x70
[18770.352137]  [<c1176945>] ? vfs_write+0x165/0x1b0
[18770.352140]  [<c11873d0>] SyS_ioctl+0x60/0x80
[18770.352144]  [<c1659b4d>] sysenter_do_call+0x12/0x28
[18770.352146] ---[ end trace d18d0437dd2292f7 ]---
[18770.352178] [drm:intel_pipe_config_compare] *ERROR* mismatch in has_dp_encoder (expected 1, found 0)
[18770.352178] ------------[ cut here ]------------
[18770.352200] WARNING: CPU: 2 PID: 1300 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:9299 check_crtc_state+0x221/0x320 [i915]()
[18770.352200] pipe state doesn't match!
[18770.352235] Modules linked in: ctr ccm pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) snd_usb_audio snd_usbmidi_lib snd_hwdep snd_rawmidi snd_seq_device hid_kye snd_pcm snd_page_alloc snd_timer wacom joydev arc4 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp iwldvm kvm_intel kvm mac80211 crc32_pclmul uvcvideo aesni_intel aes_i586 videobuf2_vmalloc xts videobuf2_memops lrw videobuf2_core videodev gf128mul ablk_helper iwlwifi btusb psmouse cryptd bnep rfcomm thinkpad_acpi serio_raw mei_me bluetooth cfg80211 lpc_ich mei nvram snd binfmt_misc parport_pc soundcore ppdev mac_hid lp parport btrfs xor raid6_pq libcrc32c usb_storage hid_generic usbhid hid mmc_block i915 e1000e i2c_algo_bit sdhci_pci drm_kms_helper ahci ptp libahci sdhci pps_core drm wmi video
[18770.352237] CPU: 2 PID: 1300 Comm: Xorg Tainted: GF       W  O 3.13.0-24-generic #46-Ubuntu
[18770.352238] Hardware name: LENOVO 4298R86/4298R86, BIOS 8DET56WW (1.26 ) 12/01/2011
[18770.352243]  00000000 00000000 eac81888 c164b873 eac818c8 eac818b8 c10567ee f8ea4950
[18770.352247]  eac818e4 00000514 f8e9aa44 00002453 f8e46bb1 f8e46bb1 f65681d8 f6e84000
[18770.352252]  f6e8464c eac818d0 c1056843 00000009 eac818c8 f8ea4950 eac818e4 eac81b38
[18770.352252] Call Trace:
[18770.352256]  [<c164b873>] dump_stack+0x41/0x52
[18770.352259]  [<c10567ee>] warn_slowpath_common+0x7e/0xa0
[18770.352282]  [<f8e46bb1>] ? check_crtc_state+0x221/0x320 [i915]
[18770.352301]  [<f8e46bb1>] ? check_crtc_state+0x221/0x320 [i915]
[18770.352304]  [<c1056843>] warn_slowpath_fmt+0x33/0x40
[18770.352324]  [<f8e46bb1>] check_crtc_state+0x221/0x320 [i915]
[18770.352352]  [<f8e53293>] intel_modeset_check_state+0x283/0x750 [i915]
[18770.352377]  [<f8e537f0>] intel_set_mode+0x30/0x40 [i915]
[18770.352396]  [<f8e54031>] intel_crtc_set_config+0x741/0x920 [i915]
[18770.352420]  [<f8c4f20b>] drm_mode_set_config_internal+0x4b/0xc0 [drm]
[18770.352427]  [<f8be591d>] drm_fb_helper_set_par+0x4d/0x730 [drm_kms_helper]
[18770.352431]  [<c134be7d>] fb_set_var+0x1bd/0x410
[18770.352435]  [<c13578de>] fbcon_blank+0x1ee/0x2e0
[18770.352440]  [<c13d6786>] do_unblank_screen+0xa6/0x1c0
[18770.352443]  [<c13cda21>] complete_change_console+0x51/0xe0
[18770.352446]  [<c13cea5f>] vt_ioctl+0xfaf/0x1080
[18770.352455]  [<c11afa25>] ? send_to_group+0x125/0x1f0
[18770.352457]  [<c13cdab0>] ? complete_change_console+0xe0/0xe0
[18770.352460]  [<c13c3a43>] tty_ioctl+0x233/0xa20
[18770.352464]  [<c11b0053>] ? fsnotify_put_event+0x53/0x90
[18770.352467]  [<c11b0053>] ? fsnotify_put_event+0x53/0x90
[18770.352471]  [<c11afcf8>] ? fsnotify+0x208/0x2d0
[18770.352474]  [<c13c3810>] ? no_tty+0x30/0x30
[18770.352476]  [<c1187182>] do_vfs_ioctl+0x2e2/0x4d0
[18770.352479]  [<c12f9600>] ? lockref_put_or_lock+0x20/0x30
[18770.352482]  [<c11783f1>] ? __sb_end_write+0x31/0x70
[18770.352485]  [<c1176945>] ? vfs_write+0x165/0x1b0
[18770.352488]  [<c11873d0>] SyS_ioctl+0x60/0x80
[18770.352492]  [<c1659b4d>] sysenter_do_call+0x12/0x28
[18770.352493] ---[ end trace d18d0437dd2292f8 ]---
[18770.571849] ------------[ cut here ]------------
[18770.571919] WARNING: CPU: 2 PID: 1300 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:9226 intel_modeset_check_state+0x5dd/0x750 [i915]()
[18770.571921] encoder's hw state doesn't match sw tracking (expected 1, found 0)
[18770.571992] Modules linked in: ctr ccm pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) snd_usb_audio snd_usbmidi_lib snd_hwdep snd_rawmidi snd_seq_device hid_kye snd_pcm snd_page_alloc snd_timer wacom joydev arc4 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp iwldvm kvm_intel kvm mac80211 crc32_pclmul uvcvideo aesni_intel aes_i586 videobuf2_vmalloc xts videobuf2_memops lrw videobuf2_core videodev gf128mul ablk_helper iwlwifi btusb psmouse cryptd bnep rfcomm thinkpad_acpi serio_raw mei_me bluetooth cfg80211 lpc_ich mei nvram snd binfmt_misc parport_pc soundcore ppdev mac_hid lp parport btrfs xor raid6_pq libcrc32c usb_storage hid_generic usbhid hid mmc_block i915 e1000e i2c_algo_bit sdhci_pci drm_kms_helper ahci ptp libahci sdhci pps_core drm wmi video
[18770.571999] CPU: 2 PID: 1300 Comm: Xorg Tainted: GF       W  O 3.13.0-24-generic #46-Ubuntu
[18770.572001] Hardware name: LENOVO 4298R86/4298R86, BIOS 8DET56WW (1.26 ) 12/01/2011
[18770.572012]  00000000 00000000 eac81aa0 c164b873 eac81ae0 eac81ad0 c10567ee f8e9cbdc
[18770.572020]  eac81afc 00000514 f8e9aa44 0000240a f8e535ed f8e535ed f656a000 f65681c0
[18770.572028]  00000001 eac81ae8 c1056843 00000009 eac81ae0 f8e9cbdc eac81afc eac81b3c
[18770.572029] Call Trace:
[18770.572040]  [<c164b873>] dump_stack+0x41/0x52
[18770.572050]  [<c10567ee>] warn_slowpath_common+0x7e/0xa0
[18770.572097]  [<f8e535ed>] ? intel_modeset_check_state+0x5dd/0x750 [i915]
[18770.572132]  [<f8e535ed>] ? intel_modeset_check_state+0x5dd/0x750 [i915]
[18770.572140]  [<c1056843>] warn_slowpath_fmt+0x33/0x40
[18770.572176]  [<f8e535ed>] intel_modeset_check_state+0x5dd/0x750 [i915]
[18770.572220]  [<f8e537f0>] intel_set_mode+0x30/0x40 [i915]
[18770.572254]  [<f8e54031>] intel_crtc_set_config+0x741/0x920 [i915]
[18770.572300]  [<f8c4f20b>] drm_mode_set_config_internal+0x4b/0xc0 [drm]
[18770.572315]  [<f8be591d>] drm_fb_helper_set_par+0x4d/0x730 [drm_kms_helper]
[18770.572345]  [<f8c4e23d>] ? drm_modeset_unlock_all+0x3d/0x50 [drm]
[18770.572358]  [<f8be58b7>] drm_fb_helper_hotplug_event+0xf7/0x110 [drm_kms_helper]
[18770.572377]  [<f8be595b>] drm_fb_helper_set_par+0x8b/0x730 [drm_kms_helper]
[18770.572384]  [<c134be7d>] fb_set_var+0x1bd/0x410
[18770.572392]  [<c13578de>] fbcon_blank+0x1ee/0x2e0
[18770.572403]  [<c13d6786>] do_unblank_screen+0xa6/0x1c0
[18770.572408]  [<c13cda21>] complete_change_console+0x51/0xe0
[18770.572413]  [<c13cea5f>] vt_ioctl+0xfaf/0x1080
[18770.572430]  [<c11afa25>] ? send_to_group+0x125/0x1f0
[18770.572435]  [<c13cdab0>] ? complete_change_console+0xe0/0xe0
[18770.572440]  [<c13c3a43>] tty_ioctl+0x233/0xa20
[18770.572447]  [<c11b0053>] ? fsnotify_put_event+0x53/0x90
[18770.572453]  [<c11b0053>] ? fsnotify_put_event+0x53/0x90
[18770.572459]  [<c11afcf8>] ? fsnotify+0x208/0x2d0
[18770.572464]  [<c13c3810>] ? no_tty+0x30/0x30
[18770.572469]  [<c1187182>] do_vfs_ioctl+0x2e2/0x4d0
[18770.572474]  [<c12f9600>] ? lockref_put_or_lock+0x20/0x30
[18770.572479]  [<c11783f1>] ? __sb_end_write+0x31/0x70
[18770.572487]  [<c1176945>] ? vfs_write+0x165/0x1b0
[18770.572492]  [<c11873d0>] SyS_ioctl+0x60/0x80
[18770.572498]  [<c1659b4d>] sysenter_do_call+0x12/0x28
[18770.572502] ---[ end trace d18d0437dd2292f9 ]---
[18770.572546] [drm:intel_pipe_config_compare] *ERROR* mismatch in has_dp_encoder (expected 1, found 0)
[18770.572547] ------------[ cut here ]------------
[18770.572586] WARNING: CPU: 2 PID: 1300 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:9299 check_crtc_state+0x221/0x320 [i915]()
[18770.572587] pipe state doesn't match!
[18770.572649] Modules linked in: ctr ccm pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) snd_usb_audio snd_usbmidi_lib snd_hwdep snd_rawmidi snd_seq_device hid_kye snd_pcm snd_page_alloc snd_timer wacom joydev arc4 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp iwldvm kvm_intel kvm mac80211 crc32_pclmul uvcvideo aesni_intel aes_i586 videobuf2_vmalloc xts videobuf2_memops lrw videobuf2_core videodev gf128mul ablk_helper iwlwifi btusb psmouse cryptd bnep rfcomm thinkpad_acpi serio_raw mei_me bluetooth cfg80211 lpc_ich mei nvram snd binfmt_misc parport_pc soundcore ppdev mac_hid lp parport btrfs xor raid6_pq libcrc32c usb_storage hid_generic usbhid hid mmc_block i915 e1000e i2c_algo_bit sdhci_pci drm_kms_helper ahci ptp libahci sdhci pps_core drm wmi video
[18770.572653] CPU: 2 PID: 1300 Comm: Xorg Tainted: GF       W  O 3.13.0-24-generic #46-Ubuntu
[18770.572654] Hardware name: LENOVO 4298R86/4298R86, BIOS 8DET56WW (1.26 ) 12/01/2011
[18770.572663]  00000000 00000000 eac81838 c164b873 eac81878 eac81868 c10567ee f8ea4950
[18770.572671]  eac81894 00000514 f8e9aa44 00002453 f8e46bb1 f8e46bb1 f65681d8 f6e84000
[18770.572679]  f6e8464c eac81880 c1056843 00000009 eac81878 f8ea4950 eac81894 eac81ae8
[18770.572680] Call Trace:
[18770.572686]  [<c164b873>] dump_stack+0x41/0x52
[18770.572692]  [<c10567ee>] warn_slowpath_common+0x7e/0xa0
[18770.572740]  [<f8e46bb1>] ? check_crtc_state+0x221/0x320 [i915]
[18770.572791]  [<f8e46bb1>] ? check_crtc_state+0x221/0x320 [i915]
[18770.572800]  [<c1056843>] warn_slowpath_fmt+0x33/0x40
[18770.572836]  [<f8e46bb1>] check_crtc_state+0x221/0x320 [i915]
[18770.572884]  [<f8e53293>] intel_modeset_check_state+0x283/0x750 [i915]
[18770.572929]  [<f8e537f0>] intel_set_mode+0x30/0x40 [i915]
[18770.572962]  [<f8e54031>] intel_crtc_set_config+0x741/0x920 [i915]
[18770.573004]  [<f8c4f20b>] drm_mode_set_config_internal+0x4b/0xc0 [drm]
[18770.573016]  [<f8be591d>] drm_fb_helper_set_par+0x4d/0x730 [drm_kms_helper]
[18770.573046]  [<f8c4e23d>] ? drm_modeset_unlock_all+0x3d/0x50 [drm]
[18770.573058]  [<f8be58b7>] drm_fb_helper_hotplug_event+0xf7/0x110 [drm_kms_helper]
[18770.573077]  [<f8be595b>] drm_fb_helper_set_par+0x8b/0x730 [drm_kms_helper]
[18770.573082]  [<c134be7d>] fb_set_var+0x1bd/0x410
[18770.573090]  [<c13578de>] fbcon_blank+0x1ee/0x2e0
[18770.573100]  [<c13d6786>] do_unblank_screen+0xa6/0x1c0
[18770.573105]  [<c13cda21>] complete_change_console+0x51/0xe0
[18770.573109]  [<c13cea5f>] vt_ioctl+0xfaf/0x1080
[18770.573125]  [<c11afa25>] ? send_to_group+0x125/0x1f0
[18770.573129]  [<c13cdab0>] ? complete_change_console+0xe0/0xe0
[18770.573134]  [<c13c3a43>] tty_ioctl+0x233/0xa20
[18770.573140]  [<c11b0053>] ? fsnotify_put_event+0x53/0x90
[18770.573146]  [<c11b0053>] ? fsnotify_put_event+0x53/0x90
[18770.573153]  [<c11afcf8>] ? fsnotify+0x208/0x2d0
[18770.573158]  [<c13c3810>] ? no_tty+0x30/0x30
[18770.573162]  [<c1187182>] do_vfs_ioctl+0x2e2/0x4d0
[18770.573167]  [<c12f9600>] ? lockref_put_or_lock+0x20/0x30
[18770.573172]  [<c11783f1>] ? __sb_end_write+0x31/0x70
[18770.573178]  [<c1176945>] ? vfs_write+0x165/0x1b0
[18770.573183]  [<c11873d0>] SyS_ioctl+0x60/0x80
[18770.573189]  [<c1659b4d>] sysenter_do_call+0x12/0x28
[18770.573193] ---[ end trace d18d0437dd2292fa ]---
[18770.575879] ------------[ cut here ]------------
[18770.575958] WARNING: CPU: 0 PID: 1300 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_dp.c:2747 intel_dp_link_down+0x1a0/0x1d0 [i915]()
[18770.576043] Modules linked in: ctr ccm pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) snd_usb_audio snd_usbmidi_lib snd_hwdep snd_rawmidi snd_seq_device hid_kye snd_pcm snd_page_alloc snd_timer wacom joydev arc4 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp iwldvm kvm_intel kvm mac80211 crc32_pclmul uvcvideo aesni_intel aes_i586 videobuf2_vmalloc xts videobuf2_memops lrw videobuf2_core videodev gf128mul ablk_helper iwlwifi btusb psmouse cryptd bnep rfcomm thinkpad_acpi serio_raw mei_me bluetooth cfg80211 lpc_ich mei nvram snd binfmt_misc parport_pc soundcore ppdev mac_hid lp parport btrfs xor raid6_pq libcrc32c usb_storage hid_generic usbhid hid mmc_block i915 e1000e i2c_algo_bit sdhci_pci drm_kms_helper ahci ptp libahci sdhci pps_core drm wmi video
[18770.576050] CPU: 0 PID: 1300 Comm: Xorg Tainted: GF       W  O 3.13.0-24-generic #46-Ubuntu
[18770.576052] Hardware name: LENOVO 4298R86/4298R86, BIOS 8DET56WW (1.26 ) 12/01/2011
[18770.576062]  00000000 00000000 eac819f4 c164b873 00000000 eac81a24 c10567ee c1826ffc
[18770.576069]  00000000 00000514 f8e9e3dc 00000abb f8e5f950 f8e5f950 f656a078 f6580000
[18770.576077]  f6568000 eac81a34 c10568b2 00000009 00000000 eac81a64 f8e5f950 f6568000
[18770.576078] Call Trace:
[18770.576088]  [<c164b873>] dump_stack+0x41/0x52
[18770.576097]  [<c10567ee>] warn_slowpath_common+0x7e/0xa0
[18770.576144]  [<f8e5f950>] ? intel_dp_link_down+0x1a0/0x1d0 [i915]
[18770.576181]  [<f8e5f950>] ? intel_dp_link_down+0x1a0/0x1d0 [i915]
[18770.576189]  [<c10568b2>] warn_slowpath_null+0x22/0x30
[18770.576223]  [<f8e5f950>] intel_dp_link_down+0x1a0/0x1d0 [i915]
[18770.576261]  [<f8e637e9>] ? intel_dp_sink_dpms+0x99/0xa0 [i915]
[18770.576297]  [<f8e63847>] intel_disable_dp+0x57/0x60 [i915]
[18770.576336]  [<f8e4a298>] ironlake_crtc_disable+0x148/0x860 [i915]
[18770.576373]  [<f8e4697d>] ? intel_dump_pipe_config.isra.43+0x3bd/0x3d0 [i915]
[18770.576420]  [<f8e50ae0>] __intel_set_mode+0x700/0x8b0 [i915]
[18770.576467]  [<f8e537e3>] intel_set_mode+0x23/0x40 [i915]
[18770.576503]  [<f8e54031>] intel_crtc_set_config+0x741/0x920 [i915]
[18770.576548]  [<f8c4f20b>] drm_mode_set_config_internal+0x4b/0xc0 [drm]
[18770.576563]  [<f8be591d>] drm_fb_helper_set_par+0x4d/0x730 [drm_kms_helper]
[18770.576594]  [<f8c4e23d>] ? drm_modeset_unlock_all+0x3d/0x50 [drm]
[18770.576607]  [<f8be58b7>] drm_fb_helper_hotplug_event+0xf7/0x110 [drm_kms_helper]
[18770.576626]  [<f8be595b>] drm_fb_helper_set_par+0x8b/0x730 [drm_kms_helper]
[18770.576633]  [<c134be7d>] fb_set_var+0x1bd/0x410
[18770.576641]  [<c13578de>] fbcon_blank+0x1ee/0x2e0
[18770.576651]  [<c13d6786>] do_unblank_screen+0xa6/0x1c0
[18770.576657]  [<c13cda21>] complete_change_console+0x51/0xe0
[18770.576661]  [<c13cea5f>] vt_ioctl+0xfaf/0x1080
[18770.576678]  [<c11afa25>] ? send_to_group+0x125/0x1f0
[18770.576682]  [<c13cdab0>] ? complete_change_console+0xe0/0xe0
[18770.576687]  [<c13c3a43>] tty_ioctl+0x233/0xa20
[18770.576694]  [<c11b0053>] ? fsnotify_put_event+0x53/0x90
[18770.576700]  [<c11b0053>] ? fsnotify_put_event+0x53/0x90
[18770.576706]  [<c11afcf8>] ? fsnotify+0x208/0x2d0
[18770.576712]  [<c13c3810>] ? no_tty+0x30/0x30
[18770.576717]  [<c1187182>] do_vfs_ioctl+0x2e2/0x4d0
[18770.576721]  [<c12f9600>] ? lockref_put_or_lock+0x20/0x30
[18770.576726]  [<c11783f1>] ? __sb_end_write+0x31/0x70
[18770.576733]  [<c1176945>] ? vfs_write+0x165/0x1b0
[18770.576738]  [<c11873d0>] SyS_ioctl+0x60/0x80
[18770.576745]  [<c1659b4d>] sysenter_do_call+0x12/0x28
[18770.576749] ---[ end trace d18d0437dd2292fb ]---
[18770.751860] ------------[ cut here ]------------
[18770.751932] WARNING: CPU: 0 PID: 1300 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:851 intel_wait_for_pipe_off+0x19b/0x1b0 [i915]()
[18770.751933] pipe_off wait timed out
[18770.752005] Modules linked in: ctr ccm pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) snd_usb_audio snd_usbmidi_lib snd_hwdep snd_rawmidi snd_seq_device hid_kye snd_pcm snd_page_alloc snd_timer wacom joydev arc4 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp iwldvm kvm_intel kvm mac80211 crc32_pclmul uvcvideo aesni_intel aes_i586 videobuf2_vmalloc xts videobuf2_memops lrw videobuf2_core videodev gf128mul ablk_helper iwlwifi btusb psmouse cryptd bnep rfcomm thinkpad_acpi serio_raw mei_me bluetooth cfg80211 lpc_ich mei nvram snd binfmt_misc parport_pc soundcore ppdev mac_hid lp parport btrfs xor raid6_pq libcrc32c usb_storage hid_generic usbhid hid mmc_block i915 e1000e i2c_algo_bit sdhci_pci drm_kms_helper ahci ptp libahci sdhci pps_core drm wmi video
[18770.752012] CPU: 0 PID: 1300 Comm: Xorg Tainted: GF       W  O 3.13.0-24-generic #46-Ubuntu
[18770.752014] Hardware name: LENOVO 4298R86/4298R86, BIOS 8DET56WW (1.26 ) 12/01/2011
[18770.752026]  00000000 00000000 eac819f8 c164b873 eac81a38 eac81a28 c10567ee f8ea4aaf
[18770.752034]  eac81a54 00000514 f8e9aa44 00000353 f8e48a8b f8e48a8b f6580000 00071008
[18770.752042]  004670f5 eac81a40 c1056843 00000009 eac81a38 f8ea4aaf eac81a54 eac81a60
[18770.752044] Call Trace:
[18770.752056]  [<c164b873>] dump_stack+0x41/0x52
[18770.752067]  [<c10567ee>] warn_slowpath_common+0x7e/0xa0
[18770.752115]  [<f8e48a8b>] ? intel_wait_for_pipe_off+0x19b/0x1b0 [i915]
[18770.752150]  [<f8e48a8b>] ? intel_wait_for_pipe_off+0x19b/0x1b0 [i915]
[18770.752157]  [<c1056843>] warn_slowpath_fmt+0x33/0x40
[18770.752193]  [<f8e48a8b>] intel_wait_for_pipe_off+0x19b/0x1b0 [i915]
[18770.752233]  [<f8e48b2e>] intel_disable_pipe+0x8e/0xa0 [i915]
[18770.752269]  [<f8e4a209>] ironlake_crtc_disable+0xb9/0x860 [i915]
[18770.752305]  [<f8e4697d>] ? intel_dump_pipe_config.isra.43+0x3bd/0x3d0 [i915]
[18770.752353]  [<f8e50ae0>] __intel_set_mode+0x700/0x8b0 [i915]
[18770.752404]  [<f8e537e3>] intel_set_mode+0x23/0x40 [i915]
[18770.752441]  [<f8e54031>] intel_crtc_set_config+0x741/0x920 [i915]
[18770.752494]  [<f8c4f20b>] drm_mode_set_config_internal+0x4b/0xc0 [drm]
[18770.752510]  [<f8be591d>] drm_fb_helper_set_par+0x4d/0x730 [drm_kms_helper]
[18770.752542]  [<f8c4e23d>] ? drm_modeset_unlock_all+0x3d/0x50 [drm]
[18770.752555]  [<f8be58b7>] drm_fb_helper_hotplug_event+0xf7/0x110 [drm_kms_helper]
[18770.752574]  [<f8be595b>] drm_fb_helper_set_par+0x8b/0x730 [drm_kms_helper]
[18770.752581]  [<c134be7d>] fb_set_var+0x1bd/0x410
[18770.752590]  [<c13578de>] fbcon_blank+0x1ee/0x2e0
[18770.752600]  [<c13d6786>] do_unblank_screen+0xa6/0x1c0
[18770.752606]  [<c13cda21>] complete_change_console+0x51/0xe0
[18770.752610]  [<c13cea5f>] vt_ioctl+0xfaf/0x1080
[18770.752628]  [<c11afa25>] ? send_to_group+0x125/0x1f0
[18770.752632]  [<c13cdab0>] ? complete_change_console+0xe0/0xe0
[18770.752638]  [<c13c3a43>] tty_ioctl+0x233/0xa20
[18770.752644]  [<c11b0053>] ? fsnotify_put_event+0x53/0x90
[18770.752651]  [<c11b0053>] ? fsnotify_put_event+0x53/0x90
[18770.752657]  [<c11afcf8>] ? fsnotify+0x208/0x2d0
[18770.752662]  [<c13c3810>] ? no_tty+0x30/0x30
[18770.752668]  [<c1187182>] do_vfs_ioctl+0x2e2/0x4d0
[18770.752673]  [<c12f9600>] ? lockref_put_or_lock+0x20/0x30
[18770.752678]  [<c11783f1>] ? __sb_end_write+0x31/0x70
[18770.752686]  [<c1176945>] ? vfs_write+0x165/0x1b0
[18770.752691]  [<c11873d0>] SyS_ioctl+0x60/0x80
[18770.752698]  [<c1659b4d>] sysenter_do_call+0x12/0x28
[18770.752702] ---[ end trace d18d0437dd2292fc ]---
[18770.815868] [drm:ironlake_disable_pch_transcoder] *ERROR* failed to disable transcoder B
[19072.812352] usb 2-1.1: new high-speed USB device number 11 using ehci-pci
[19072.904607] usb 2-1.1: New USB device found, idVendor=0424, idProduct=2514
[19072.904613] usb 2-1.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[19072.904889] hub 2-1.1:1.0: USB hub found
[19072.905622] hub 2-1.1:1.0: 3 ports detected
[19073.008340] hub 2-1.1:1.0: hub_port_status failed (err = -71)
[19073.012514] hub 2-1.1:1.0: hub_port_status failed (err = -71)
[19073.016787] hub 2-1.1:1.0: hub_port_status failed (err = -71)
[19073.026513] hub 2-1.1:1.0: hub_port_status failed (err = -71)
[19073.030761] hub 2-1.1:1.0: hub_port_status failed (err = -71)
[19073.035013] hub 2-1.1:1.0: hub_port_status failed (err = -71)
[19073.044513] hub 2-1.1:1.0: hub_port_status failed (err = -71)
[19073.048768] hub 2-1.1:1.0: hub_port_status failed (err = -71)
[19073.053042] hub 2-1.1:1.0: hub_port_status failed (err = -71)
[19073.062529] hub 2-1.1:1.0: hub_port_status failed (err = -71)
[19073.066771] hub 2-1.1:1.0: hub_port_status failed (err = -71)
[19073.071017] hub 2-1.1:1.0: hub_port_status failed (err = -71)
[19073.080650] hub 2-1.1:1.0: hub_port_status failed (err = -71)
[19073.084902] hub 2-1.1:1.0: hub_port_status failed (err = -71)
[19073.089155] hub 2-1.1:1.0: hub_port_status failed (err = -71)
[19073.099051] hub 2-1.1:1.0: hub_port_status failed (err = -71)
[19073.103293] hub 2-1.1:1.0: hub_port_status failed (err = -71)
[19073.107529] hub 2-1.1:1.0: hub_port_status failed (err = -71)
[19073.117554] hub 2-1.1:1.0: hub_port_status failed (err = -71)
[19073.121799] hub 2-1.1:1.0: hub_port_status failed (err = -71)
[19073.126046] hub 2-1.1:1.0: hub_port_status failed (err = -71)
[19073.126925] usb 2-1.1: USB disconnect, device number 11


It is linux kernel for ubuntu 14.04: linux-image-3.13.0-8-generic 3.13.0-8.28
with xserver-xorg-video-intel 2:2.99.910-0ubuntu1.

No errors was logged to Xorg.0.log.


dmidecode:
SMBIOS 2.6 present.
67 structures occupying 2486 bytes.
Table at 0xDAE9C000.

Handle 0x0000, DMI type 134, 16 bytes
OEM-specific Type
	Header and Data:
		86 10 00 00 00 53 54 4D 20 01 01 00 00 02 01 02
	Strings:
		TPM INFO
		System Reserved

Handle 0x0001, DMI type 4, 42 bytes
Processor Information
	Socket Designation: CPU
	Type: Central Processor
	Family: Core i7
	Manufacturer: Intel(R) Corporation
	ID: A7 06 02 00 FF FB EB BF
	Signature: Type 0, Family 6, Model 42, Stepping 7
	Flags:
		FPU (Floating-point unit on-chip)
		VME (Virtual mode extension)
		DE (Debugging extension)
		PSE (Page size extension)
		TSC (Time stamp counter)
		MSR (Model specific registers)
		PAE (Physical address extension)
		MCE (Machine check exception)
		CX8 (CMPXCHG8 instruction supported)
		APIC (On-chip APIC hardware supported)
		SEP (Fast system call)
		MTRR (Memory type range registers)
		PGE (Page global enable)
		MCA (Machine check architecture)
		CMOV (Conditional move instruction supported)
		PAT (Page attribute table)
		PSE-36 (36-bit page size extension)
		CLFSH (CLFLUSH instruction supported)
		DS (Debug store)
		ACPI (ACPI supported)
		MMX (MMX technology supported)
		FXSR (FXSAVE and FXSTOR instructions supported)
		SSE (Streaming SIMD extensions)
		SSE2 (Streaming SIMD extensions 2)
		SS (Self-snoop)
		HTT (Multi-threading)
		TM (Thermal monitor supported)
		PBE (Pending break enabled)
	Version: Intel(R) Core(TM) i7-2640M CPU @ 2.80GHz
	Voltage: 1.2 V
	External Clock: 100 MHz
	Max Speed: 2800 MHz
	Current Speed: 2800 MHz
	Status: Populated, Enabled
	Upgrade: ZIF Socket
	L1 Cache Handle: 0x0002
	L2 Cache Handle: 0x0003
	L3 Cache Handle: 0x0004
	Serial Number: Not Supported by CPU
	Asset Tag: None
	Part Number: None
	Core Count: 2
	Core Enabled: 2
	Thread Count: 4
	Characteristics:
		64-bit capable

Handle 0x0002, DMI type 7, 19 bytes
Cache Information
	Socket Designation: L1-Cache
	Configuration: Enabled, Not Socketed, Level 1
	Operational Mode: Write Through
	Location: Internal
	Installed Size: 64 kB
	Maximum Size: 64 kB
	Supported SRAM Types:
		Synchronous
	Installed SRAM Type: Synchronous
	Speed: Unknown
	Error Correction Type: Single-bit ECC
	System Type: Data
	Associativity: 8-way Set-associative

Handle 0x0003, DMI type 7, 19 bytes
Cache Information
	Socket Designation: L2-Cache
	Configuration: Enabled, Not Socketed, Level 2
	Operational Mode: Write Through
	Location: Internal
	Installed Size: 256 kB
	Maximum Size: 256 kB
	Supported SRAM Types:
		Synchronous
	Installed SRAM Type: Synchronous
	Speed: Unknown
	Error Correction Type: Single-bit ECC
	System Type: Data
	Associativity: 8-way Set-associative

Handle 0x0004, DMI type 7, 19 bytes
Cache Information
	Socket Designation: L3-Cache
	Configuration: Enabled, Not Socketed, Level 3
	Operational Mode: Write Back
	Location: Internal
	Installed Size: 4096 kB
	Maximum Size: 4096 kB
	Supported SRAM Types:
		Synchronous
	Installed SRAM Type: Synchronous
	Speed: Unknown
	Error Correction Type: Single-bit ECC
	System Type: Unified
	Associativity: 16-way Set-associative

Handle 0x0005, DMI type 16, 15 bytes
Physical Memory Array
	Location: System Board Or Motherboard
	Use: System Memory
	Error Correction Type: None
	Maximum Capacity: 16 GB
	Error Information Handle: Not Provided
	Number Of Devices: 2

Handle 0x0006, DMI type 17, 28 bytes
Memory Device
	Array Handle: 0x0005
	Error Information Handle: Not Provided
	Total Width: 64 bits
	Data Width: 64 bits
	Size: 4096 MB
	Form Factor: SODIMM
	Set: None
	Locator: ChannelA-DIMM0
	Bank Locator: BANK 0
	Type: DDR3
	Type Detail: Synchronous
	Speed: 1333 MHz
	Manufacturer: Samsung
	Serial Number: 0079D8FD
	Asset Tag: 9876543210
	Part Number: M471B5273CH0-CH9  
	Rank: Unknown

Handle 0x0007, DMI type 17, 28 bytes
Memory Device
	Array Handle: 0x0005
	Error Information Handle: Not Provided
	Total Width: Unknown
	Data Width: Unknown
	Size: No Module Installed
	Form Factor: DIMM
	Set: None
	Locator: ChannelB-DIMM0
	Bank Locator: BANK 2
	Type: Unknown
	Type Detail: None
	Speed: Unknown
	Manufacturer: Not Specified
	Serial Number: Not Specified
	Asset Tag: 9876543210
	Part Number: Not Specified
	Rank: Unknown

Handle 0x0008, DMI type 20, 19 bytes
Memory Device Mapped Address
	Starting Address: 0x00000000000
	Ending Address: 0x000FFFFFFFF
	Range Size: 4 GB
	Physical Device Handle: 0x0006
	Memory Array Mapped Address Handle: 0x0009
	Partition Row Position: 1

Handle 0x0009, DMI type 19, 15 bytes
Memory Array Mapped Address
	Starting Address: 0x00000000000
	Ending Address: 0x000FFFFFFFF
	Range Size: 4 GB
	Physical Array Handle: 0x0005
	Partition Width: 2

Handle 0x000A, DMI type 129, 8 bytes
OEM-specific Type
	Header and Data:
		81 08 0A 00 01 01 02 01
	Strings:
		Intel_ASF
		Intel_ASF_001

Handle 0x000B, DMI type 130, 20 bytes
OEM-specific Type
	Header and Data:
		82 14 0B 00 24 41 4D 54 01 01 01 01 01 A5 FF 03
		00 00 01 00

Handle 0x000C, DMI type 131, 64 bytes
OEM-specific Type
	Header and Data:
		83 40 0C 00 35 00 00 00 07 00 00 00 00 00 38 00
		F8 00 4F 1C FF FF FF FF 09 C0 00 00 01 00 07 00
		5F 04 14 00 00 00 00 00 C8 00 02 15 00 00 00 00
		00 00 00 00 F6 00 00 00 76 50 72 6F 00 00 00 00

Handle 0x000D, DMI type 134, 13 bytes
OEM-specific Type
	Header and Data:
		86 0D 0D 00 14 03 12 20 00 00 00 00 00

Handle 0x000E, DMI type 0, 24 bytes
BIOS Information
	Vendor: LENOVO
	Version: 8DET56WW (1.26 )
	Release Date: 12/01/2011
	Address: 0xE0000
	Runtime Size: 128 kB
	ROM Size: 8192 kB
	Characteristics:
		PCI is supported
		PNP is supported
		BIOS is upgradeable
		BIOS shadowing is allowed
		Boot from CD is supported
		Selectable boot is supported
		EDD is supported
		3.5"/720 kB floppy services are supported (int 13h)
		Print screen service is supported (int 5h)
		8042 keyboard services are supported (int 9h)
		Serial services are supported (int 14h)
		Printer services are supported (int 17h)
		CGA/mono video services are supported (int 10h)
		ACPI is supported
		USB legacy is supported
		BIOS boot specification is supported
		Targeted content distribution is supported
	BIOS Revision: 1.26
	Firmware Revision: 1.19

Handle 0x000F, DMI type 1, 27 bytes
System Information
	Manufacturer: LENOVO
	Product Name: 4298R86
	Version: ThinkPad X220 Tablet
	Serial Number: R9MN226
	UUID: 92958D81-525A-11CB-A156-A2101B6842BF
	Wake-up Type: Power Switch
	SKU Number: Not Specified
	Family: ThinkPad X220 Tablet

Handle 0x0010, DMI type 2, 15 bytes
Base Board Information
	Manufacturer: LENOVO
	Product Name: 4298R86
	Version: Not Available
	Serial Number: 1ZKZW22M4Y8
	Asset Tag: Not Available
	Features:
		Board is a hosting board
		Board is replaceable
	Location In Chassis: Not Available
	Chassis Handle: 0x0000
	Type: Motherboard
	Contained Object Handles: 0

Handle 0x0011, DMI type 3, 21 bytes
Chassis Information
	Manufacturer: LENOVO
	Type: Notebook
	Lock: Not Present
	Version: Not Available
	Serial Number: R9MN226
	Asset Tag: No Asset Information
	Boot-up State: Unknown
	Power Supply State: Unknown
	Thermal State: Unknown
	Security Status: Unknown
	OEM Information: 0x00000000
	Height: Unspecified
	Number Of Power Cords: Unspecified
	Contained Elements: 0

Handle 0x0012, DMI type 8, 9 bytes
Port Connector Information
	Internal Reference Designator: Not Available
	Internal Connector Type: None
	External Reference Designator: External Monitor
	External Connector Type: DB-15 female
	Port Type: Video Port

Handle 0x0013, DMI type 8, 9 bytes
Port Connector Information
	Internal Reference Designator: Not Available
	Internal Connector Type: None
	External Reference Designator: DisplayPort
	External Connector Type: Other
	Port Type: Video Port

Handle 0x0014, DMI type 126, 9 bytes
Inactive

Handle 0x0015, DMI type 126, 9 bytes
Inactive

Handle 0x0016, DMI type 8, 9 bytes
Port Connector Information
	Internal Reference Designator: Not Available
	Internal Connector Type: None
	External Reference Designator: Headphone/Microphone Combo Jack
	External Connector Type: Mini Jack (headphones)
	Port Type: Audio Port

Handle 0x0017, DMI type 126, 9 bytes
Inactive

Handle 0x0018, DMI type 126, 9 bytes
Inactive

Handle 0x0019, DMI type 8, 9 bytes
Port Connector Information
	Internal Reference Designator: Not Available
	Internal Connector Type: None
	External Reference Designator: Ethernet
	External Connector Type: RJ-45
	Port Type: Network Port

Handle 0x001A, DMI type 126, 9 bytes
Inactive

Handle 0x001B, DMI type 8, 9 bytes
Port Connector Information
	Internal Reference Designator: Not Available
	Internal Connector Type: None
	External Reference Designator: USB 1
	External Connector Type: Access Bus (USB)
	Port Type: USB

Handle 0x001C, DMI type 8, 9 bytes
Port Connector Information
	Internal Reference Designator: Not Available
	Internal Connector Type: None
	External Reference Designator: USB 2
	External Connector Type: Access Bus (USB)
	Port Type: USB

Handle 0x001D, DMI type 8, 9 bytes
Port Connector Information
	Internal Reference Designator: Not Available
	Internal Connector Type: None
	External Reference Designator: USB 3
	External Connector Type: Access Bus (USB)
	Port Type: USB

Handle 0x001E, DMI type 8, 9 bytes
Port Connector Information
	Internal Reference Designator: Not Available
	Internal Connector Type: None
	External Reference Designator: USB/eSATA Combo
	External Connector Type: Other
	Port Type: Other

Handle 0x001F, DMI type 126, 9 bytes
Inactive

Handle 0x0020, DMI type 126, 9 bytes
Inactive

Handle 0x0021, DMI type 126, 9 bytes
Inactive

Handle 0x0022, DMI type 126, 9 bytes
Inactive

Handle 0x0023, DMI type 126, 9 bytes
Inactive

Handle 0x0024, DMI type 126, 9 bytes
Inactive

Handle 0x0025, DMI type 126, 9 bytes
Inactive

Handle 0x0026, DMI type 126, 9 bytes
Inactive

Handle 0x0027, DMI type 9, 17 bytes
System Slot Information
	Designation: ExpressCard Slot
	Type: x1 PCI Express
	Current Usage: Available
	Length: Other
	ID: 1
	Characteristics:
		Hot-plug devices are supported
	Bus Address: 0000:00:00.0

Handle 0x0028, DMI type 9, 17 bytes
System Slot Information
	Designation: Media Card Slot
	Type: Other
	Current Usage: Available
	Length: Other
	Characteristics:
		Hot-plug devices are supported
	Bus Address: 0000:00:00.0

Handle 0x0029, DMI type 126, 17 bytes
Inactive

Handle 0x002A, DMI type 10, 6 bytes
On Board Device Information
	Type: Other
	Status: Disabled
	Description: IBM Embedded Security hardware

Handle 0x002B, DMI type 12, 5 bytes
System Configuration Options

Handle 0x002C, DMI type 13, 22 bytes
BIOS Language Information
	Language Description Format: Abbreviated
	Installable Languages: 1
		en-US
	Currently Installed Language: en-US

Handle 0x002D, DMI type 22, 26 bytes
Portable Battery
	Location: Rear
	Manufacturer: LGC
	Name: 42T4881
	Design Capacity: 62160 mWh
	Design Voltage: 11100 mV
	SBDS Version: 03.01
	Maximum Error: Unknown
	SBDS Serial Number: 530B
	SBDS Manufacture Date: 2011-09-07
	SBDS Chemistry: LION
	OEM-specific Information: 0x00000000

Handle 0x002E, DMI type 126, 26 bytes
Inactive

Handle 0x002F, DMI type 18, 23 bytes
32-bit Memory Error Information
	Type: OK
	Granularity: Unknown
	Operation: Unknown
	Vendor Syndrome: Unknown
	Memory Array Address: Unknown
	Device Address: Unknown
	Resolution: Unknown

Handle 0x0030, DMI type 21, 7 bytes
Built-in Pointing Device
	Type: Track Point
	Interface: PS/2
	Buttons: 3

Handle 0x0031, DMI type 21, 7 bytes
Built-in Pointing Device
	Type: Touch Pad
	Interface: PS/2
	Buttons: 2

Handle 0x0032, DMI type 131, 22 bytes
OEM-specific Type
	Header and Data:
		83 16 32 00 01 00 00 00 00 00 00 00 00 00 00 00
		00 00 00 00 00 01
	Strings:
		TVT-Enablement

Handle 0x0033, DMI type 136, 6 bytes
OEM-specific Type
	Header and Data:
		88 06 33 00 5A 5A

Handle 0x0034, DMI type 135, 74 bytes
OEM-specific Type
	Header and Data:
		87 4A 34 00 54 50 07 02 42 41 59 20 49 2F 4F 20
		02 00 06 FF 00 00 00 00 00 00 00 FF 00 00 00 00
		00 00 00 FF 00 00 00 00 00 00 00 FF 00 00 00 00
		00 00 00 FF 00 00 00 00 00 00 00 FF 00 00 00 00
		00 00 00 06 00 02 01 FF FF 03

Handle 0x0035, DMI type 135, 30 bytes
OEM-specific Type
	Header and Data:
		87 1E 35 00 54 50 07 04 01 05 01 01 02 00 02 01
		02 00 03 01 02 00 05 01 02 00 06 01 02 00

Handle 0x0036, DMI type 140, 19 bytes
OEM-specific Type
	Header and Data:
		8C 13 36 00 4C 45 4E 4F 56 4F 0B 05 01 01 00 00
		00 00 00

Handle 0x0037, DMI type 140, 23 bytes
OEM-specific Type
	Header and Data:
		8C 17 37 00 4C 45 4E 4F 56 4F 0B 06 01 7E 14 00
		00 00 00 00 00 00 00

Handle 0x0038, DMI type 133, 5 bytes
OEM-specific Type
	Header and Data:
		85 05 38 00 01
	Strings:
		KHOIHGIUCCHHII

Handle 0x0039, DMI type 15, 29 bytes
System Event Log
	Area Length: 34 bytes
	Header Start Offset: 0x0000
	Header Length: 16 bytes
	Data Start Offset: 0x0010
	Access Method: General-purpose non-volatile data functions
	Access Address: 0x00F0
	Status: Valid, Not Full
	Change Token: 0x00000001
	Header Format: Type 1
	Supported Log Type Descriptors: 3
	Descriptor 1: POST error
	Data Format 1: POST results bitmap
	Descriptor 2: Single-bit ECC memory error
	Data Format 2: Multiple-event
	Descriptor 3: Multi-bit ECC memory error
	Data Format 3: Multiple-event

Handle 0x003A, DMI type 140, 67 bytes
OEM-specific Type
	Header and Data:
		8C 43 3A 00 4C 45 4E 4F 56 4F 0B 00 01 01 84 3B
		A1 0F 6F 01 03 AB A9 1F 4E 7A 63 F1 E8 01 00 00
		00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
		00 6F 33 B6 57 13 21 EB 03 F8 68 58 0C 21 44 C6
		2D 01 00

Handle 0x003B, DMI type 140, 47 bytes
OEM-specific Type
	Header and Data:
		8C 2F 3B 00 4C 45 4E 4F 56 4F 0B 01 01 09 00 DA
		52 A2 13 83 0E E1 6A BE B8 E7 E9 1D B5 9E EB 00
		00 00 00 10 00 10 00 10 01 D0 00 20 01 00 01

Handle 0x003C, DMI type 140, 63 bytes
OEM-specific Type
	Header and Data:
		8C 3F 3C 00 4C 45 4E 4F 56 4F 0B 02 01 00 00 00
		00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
		00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
		00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

Handle 0x003D, DMI type 140, 17 bytes
OEM-specific Type
	Header and Data:
		8C 11 3D 00 4C 45 4E 4F 56 4F 0B 03 01 00 00 00
		00

Handle 0x003E, DMI type 140, 19 bytes
OEM-specific Type
	Header and Data:
		8C 13 3E 00 4C 45 4E 4F 56 4F 0B 04 01 B2 00 4D
		53 20 00

Handle 0x003F, DMI type 24, 5 bytes
Hardware Security
	Power-On Password Status: Disabled
	Keyboard Password Status: Not Implemented
	Administrator Password Status: Disabled
	Front Panel Reset Status: Not Implemented

Handle 0x0040, DMI type 132, 7 bytes
OEM-specific Type
	Header and Data:
		84 07 40 00 01 18 36

Handle 0x0041, DMI type 135, 18 bytes
OEM-specific Type
	Header and Data:
		87 12 41 00 54 50 07 01 01 CB 01 00 00 00 00 00
		00 00

Handle 0xFEFF, DMI type 127, 4 bytes
End Of Table


xrandr 
Screen 0: minimum 320 x 200, current 4480 x 1440, maximum 8192 x 8192
LVDS1 connected (normal left inverted right x axis y axis)
   1366x768       60.0 +
   1360x768       59.8     60.0  
   1024x768       60.0  
   800x600        60.3     56.2  
   640x480        59.9  
VGA1 connected 1920x1200+2560+0 (normal left inverted right x axis y axis) 518mm x 324mm
   1920x1200      60.0*+
   1920x1080      60.0  
   1600x1200      60.0  
   1680x1050      60.0  
   1280x1024      60.0  
   1280x960       60.0  
   1024x768       60.0  
   800x600        60.3  
   640x480        60.0  
   720x400        70.1  
HDMI1 disconnected (normal left inverted right x axis y axis)
DP1 connected 2560x1440+0+0 (normal left inverted right x axis y axis) 597mm x 336mm
   2560x1440      60.0*+
   1920x1200      59.9  
   1920x1080      60.0     60.0     50.0     59.9     24.0     24.0  
   1920x1080i     60.1     50.0     60.0  
   1600x1200      60.0  
   1680x1050      60.0  
   1280x1024      75.0     60.0  
   1280x800       59.8  
   1152x864       75.0  
   1280x720       60.0     50.0     59.9  
   1024x768       75.1     60.0  
   800x600        75.0     60.3  
   720x576        50.0  
   720x480        60.0     59.9  
   640x480        75.0     60.0     59.9  
   720x400        70.1  
HDMI2 disconnected (normal left inverted right x axis y axis)
HDMI3 disconnected (normal left inverted right x axis y axis)
DP2 disconnected (normal left inverted right x axis y axis)
DP3 disconnected (normal left inverted right x axis y axis)

Comment 1 Daniel Vetter 2014-05-19 09:41:09 UTC

Please add drm.debug=0xe to your kernel cmdline, reproduce the issue and then attach the complete dmesg. Please make sure that everthing from boot-up onwards is included.

Comment 2 Daniel Vetter 2014-06-18 14:27:14 UTC

Regression since new dmesg noise.

Comment 3 Jani Nikula 2014-08-14 12:28:59 UTC

Timeout. Please reopen if the problem persists with recent kernels.