[ 20.106955] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 20.107236] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 20.799322] init: plymouth-stop pre-start process (1127) terminated with status 1 [ 21.740573] e1000e 0000:00:19.0: PCI INT A disabled [ 21.740584] e1000e 0000:00:19.0: PME# enabled [ 22.177504] cfg80211: Found new beacon on frequency: 2472 MHz (Ch 13) on phy0 [ 25.246197] IBM TrackPoint firmware: 0x0e, buttons: 3/3 [ 25.472405] input: TPPS/2 IBM TrackPoint as /devices/platform/i8042/serio1/serio2/input/input7 [ 162.575891] cfg80211: Found new beacon on frequency: 2467 MHz (Ch 12) on phy0 [ 860.400309] e1000e 0000:00:19.0: BAR 0: set to [mem 0xfe000000-0xfe01ffff] (PCI address [0xfe000000-0xfe01ffff]) [ 860.400327] e1000e 0000:00:19.0: BAR 1: set to [mem 0xfe025000-0xfe025fff] (PCI address [0xfe025000-0xfe025fff]) [ 860.400342] e1000e 0000:00:19.0: BAR 2: set to [io 0x1840-0x185f] (PCI address [0x1840-0x185f]) [ 860.400375] e1000e 0000:00:19.0: restoring config space at offset 0xf (was 0x100, writing 0x10b) [ 860.400422] e1000e 0000:00:19.0: restoring config space at offset 0x1 (was 0x100000, writing 0x100107) [ 860.400484] e1000e 0000:00:19.0: PME# disabled [ 860.400637] e1000e 0000:00:19.0: irq 46 for MSI/MSI-X [ 860.533995] e1000e 0000:00:19.0: eth0: MAC Wakeup cause - Link Status Change [ 862.937847] e1000e: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx [ 862.938310] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 873.656120] eth0: no IPv6 routers present [ 930.625151] wlan0: authenticate with 00:1a:2b:8d:8e:f4 (try 1) [ 930.626971] wlan0: authenticated [ 930.627186] wlan0: associate with 00:1a:2b:8d:8e:f4 (try 1) [ 930.629677] wlan0: RX AssocResp from 00:1a:2b:8d:8e:f4 (capab=0x411 status=0 aid=2) [ 930.629681] wlan0: associated [ 930.631088] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 941.328051] wlan0: no IPv6 routers present [ 2537.684132] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung [ 2537.684147] [drm] capturing error event; look for more information in /debug/dri/0/i915_error_state [ 2537.685618] [drm:i915_wait_request] *ERROR* i915_wait_request returns -11 (awaiting 161236 at 161230, next 161241) [ 2537.685998] [drm:init_ring_common] *ERROR* render ring initialization failed ctl 00000000 head 00000000 tail 00000000 start 00000000 [ 2537.748362] [drm] Changing LVDS panel from (+hsync, +vsync) to (-hsync, -vsync) [ 2537.748517] ------------[ cut here ]------------ [ 2537.748546] WARNING: at /build/buildd/linux-3.2.0/drivers/gpu/drm/i915/intel_display.c:793 intel_enable_pipe+0x144/0x150 [i915]() [ 2537.748550] Hardware name: 7661AQ1 [ 2537.748552] PLL state assertion failure (expected on, current off) [ 2537.748554] Modules linked in: joydev parport_pc ppdev rfcomm bnep bluetooth snd_hda_codec_analog pcmcia psmouse serio_raw yenta_socket pcmcia_rsrc pcmcia_core arc4 i915 snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq thinkpad_acpi nvram tpm_tis iwl3945 iwl_legacy snd_timer mac80211 snd_seq_device drm_kms_helper cfg80211 wmi mac_hid snd drm i2c_algo_bit video soundcore snd_page_alloc lp parport firewire_ohci firewire_core crc_itu_t e1000e [ 2537.748603] Pid: 57, comm: kworker/u:6 Not tainted 3.2.0-23-generic-pae #36-Ubuntu [ 2537.748606] Call Trace: [ 2537.748614] [] warn_slowpath_common+0x72/0xa0 [ 2537.748631] [] ? intel_enable_pipe+0x144/0x150 [i915] [ 2537.748646] [] ? intel_enable_pipe+0x144/0x150 [i915] [ 2537.748651] [] warn_slowpath_fmt+0x33/0x40 [ 2537.748666] [] intel_enable_pipe+0x144/0x150 [i915] [ 2537.748683] [] i9xx_crtc_mode_set+0x688/0xc60 [i915] [ 2537.748698] [] ? vblank_disable_and_save+0x16c/0x190 [drm] [ 2537.748713] [] ? i965_update_wm+0x189/0x220 [i915] [ 2537.748729] [] intel_crtc_mode_set+0x5c/0x90 [i915] [ 2537.748737] [] drm_crtc_helper_set_mode+0x2a2/0x470 [drm_kms_helper] [ 2537.748746] [] drm_helper_resume_force_mode+0x6d/0x140 [drm_kms_helper] [ 2537.748759] [] i915_reset+0x211/0x2d0 [i915] [ 2537.748771] [] i915_error_work_func+0xae/0xf0 [i915] [ 2537.748778] [] process_one_work+0x101/0x3a0 [ 2537.748783] [] ? common_interrupt+0x30/0x38 [ 2537.748795] [] ? i915_driver_irq_postinstall+0x170/0x170 [i915] [ 2537.748799] [] worker_thread+0x124/0x2d0 [ 2537.748803] [] ? manage_workers.isra.27+0x110/0x110 [ 2537.748807] [] kthread+0x6d/0x80 [ 2537.748811] [] ? flush_kthread_worker+0x80/0x80 [ 2537.748815] [] kernel_thread_helper+0x6/0x10 [ 2537.748817] ---[ end trace 8f54fda12e5f6d12 ]--- [ 2537.860046] ------------[ cut here ]------------ [ 2537.860073] WARNING: at /build/buildd/linux-3.2.0/drivers/gpu/drm/i915/intel_display.c:930 assert_pipe+0x75/0x80 [i915]() [ 2537.860077] Hardware name: 7661AQ1 [ 2537.860079] pipe B assertion failure (expected on, current off) [ 2537.860081] Modules linked in: joydev parport_pc ppdev rfcomm bnep bluetooth snd_hda_codec_analog pcmcia psmouse serio_raw yenta_socket pcmcia_rsrc pcmcia_core arc4 i915 snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq thinkpad_acpi nvram tpm_tis iwl3945 iwl_legacy snd_timer mac80211 snd_seq_device drm_kms_helper cfg80211 wmi mac_hid snd drm i2c_algo_bit video soundcore snd_page_alloc lp parport firewire_ohci firewire_core crc_itu_t e1000e [ 2537.860130] Pid: 57, comm: kworker/u:6 Tainted: G W 3.2.0-23-generic-pae #36-Ubuntu [ 2537.860132] Call Trace: [ 2537.860141] [] warn_slowpath_common+0x72/0xa0 [ 2537.860156] [] ? assert_pipe+0x75/0x80 [i915] [ 2537.860172] [] ? assert_pipe+0x75/0x80 [i915] [ 2537.860176] [] warn_slowpath_fmt+0x33/0x40 [ 2537.860191] [] assert_pipe+0x75/0x80 [i915] [ 2537.860208] [] intel_enable_plane+0x26/0x80 [i915] [ 2537.860225] [] i9xx_crtc_mode_set+0x6b7/0xc60 [i915] [ 2537.860239] [] ? vblank_disable_and_save+0x16c/0x190 [drm] [ 2537.860254] [] ? i965_update_wm+0x189/0x220 [i915] [ 2537.860270] [] intel_crtc_mode_set+0x5c/0x90 [i915] [ 2537.860277] [] drm_crtc_helper_set_mode+0x2a2/0x470 [drm_kms_helper] [ 2537.860286] [] drm_helper_resume_force_mode+0x6d/0x140 [drm_kms_helper] [ 2537.860299] [] i915_reset+0x211/0x2d0 [i915] [ 2537.860312] [] i915_error_work_func+0xae/0xf0 [i915] [ 2537.860318] [] process_one_work+0x101/0x3a0 [ 2537.860323] [] ? common_interrupt+0x30/0x38 [ 2537.860336] [] ? i915_driver_irq_postinstall+0x170/0x170 [i915] [ 2537.860339] [] worker_thread+0x124/0x2d0 [ 2537.860343] [] ? manage_workers.isra.27+0x110/0x110 [ 2537.860347] [] kthread+0x6d/0x80 [ 2537.860351] [] ? flush_kthread_worker+0x80/0x80 [ 2537.860355] [] kernel_thread_helper+0x6/0x10 [ 2537.860358] ---[ end trace 8f54fda12e5f6d13 ]--- [ 2537.976511] ------------[ cut here ]------------ [ 2537.976536] WARNING: at /build/buildd/linux-3.2.0/drivers/gpu/drm/i915/intel_display.c:793 intel_enable_pipe+0x144/0x150 [i915]() [ 2537.976539] Hardware name: 7661AQ1 [ 2537.976541] PLL state assertion failure (expected on, current off) [ 2537.976544] Modules linked in: joydev parport_pc ppdev rfcomm bnep bluetooth snd_hda_codec_analog pcmcia psmouse serio_raw yenta_socket pcmcia_rsrc pcmcia_core arc4 i915 snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq thinkpad_acpi nvram tpm_tis iwl3945 iwl_legacy snd_timer mac80211 snd_seq_device drm_kms_helper cfg80211 wmi mac_hid snd drm i2c_algo_bit video soundcore snd_page_alloc lp parport firewire_ohci firewire_core crc_itu_t e1000e [ 2537.976592] Pid: 57, comm: kworker/u:6 Tainted: G W 3.2.0-23-generic-pae #36-Ubuntu [ 2537.976595] Call Trace: [ 2537.976603] [] warn_slowpath_common+0x72/0xa0 [ 2537.976619] [] ? intel_enable_pipe+0x144/0x150 [i915] [ 2537.976635] [] ? intel_enable_pipe+0x144/0x150 [i915] [ 2537.976639] [] warn_slowpath_fmt+0x33/0x40 [ 2537.976655] [] intel_enable_pipe+0x144/0x150 [i915] [ 2537.976671] [] i9xx_crtc_enable+0x6a/0xa0 [i915] [ 2537.976687] [] i9xx_crtc_commit+0xd/0x10 [i915] [ 2537.976694] [] drm_crtc_helper_set_mode+0x2f8/0x470 [drm_kms_helper] [ 2537.976704] [] drm_helper_resume_force_mode+0x6d/0x140 [drm_kms_helper] [ 2537.976717] [] i915_reset+0x211/0x2d0 [i915] [ 2537.976730] [] i915_error_work_func+0xae/0xf0 [i915] [ 2537.976736] [] process_one_work+0x101/0x3a0 [ 2537.976741] [] ? common_interrupt+0x30/0x38 [ 2537.976753] [] ? i915_driver_irq_postinstall+0x170/0x170 [i915] [ 2537.976757] [] worker_thread+0x124/0x2d0 [ 2537.976761] [] ? manage_workers.isra.27+0x110/0x110 [ 2537.976765] [] kthread+0x6d/0x80 [ 2537.976768] [] ? flush_kthread_worker+0x80/0x80 [ 2537.976772] [] kernel_thread_helper+0x6/0x10 [ 2537.976775] ---[ end trace 8f54fda12e5f6d14 ]--- [ 2538.032141] ------------[ cut here ]------------ [ 2538.032176] WARNING: at /build/buildd/linux-3.2.0/drivers/gpu/drm/i915/intel_display.c:930 assert_pipe+0x75/0x80 [i915]() [ 2538.032181] Hardware name: 7661AQ1 [ 2538.032185] pipe B assertion failure (expected on, current off) [ 2538.032189] Modules linked in: joydev parport_pc ppdev rfcomm bnep bluetooth snd_hda_codec_analog pcmcia psmouse serio_raw yenta_socket pcmcia_rsrc pcmcia_core arc4 i915 snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq thinkpad_acpi nvram tpm_tis iwl3945 iwl_legacy snd_timer mac80211 snd_seq_device drm_kms_helper cfg80211 wmi mac_hid snd drm i2c_algo_bit video soundcore snd_page_alloc lp parport firewire_ohci firewire_core crc_itu_t e1000e [ 2538.032264] Pid: 57, comm: kworker/u:6 Tainted: G W 3.2.0-23-generic-pae #36-Ubuntu [ 2538.032269] Call Trace: [ 2538.032280] [] warn_slowpath_common+0x72/0xa0 [ 2538.032306] [] ? assert_pipe+0x75/0x80 [i915] [ 2538.032331] [] ? assert_pipe+0x75/0x80 [i915] [ 2538.032338] [] warn_slowpath_fmt+0x33/0x40 [ 2538.032362] [] assert_pipe+0x75/0x80 [i915] [ 2538.032379] [] intel_enable_plane+0x26/0x80 [i915] [ 2538.032395] [] i9xx_crtc_enable+0x77/0xa0 [i915] [ 2538.032410] [] i9xx_crtc_commit+0xd/0x10 [i915] [ 2538.032423] [] drm_crtc_helper_set_mode+0x2f8/0x470 [drm_kms_helper] [ 2538.032432] [] drm_helper_resume_force_mode+0x6d/0x140 [drm_kms_helper] [ 2538.032444] [] i915_reset+0x211/0x2d0 [i915] [ 2538.032455] [] i915_error_work_func+0xae/0xf0 [i915] [ 2538.032460] [] process_one_work+0x101/0x3a0 [ 2538.032465] [] ? common_interrupt+0x30/0x38 [ 2538.032476] [] ? i915_driver_irq_postinstall+0x170/0x170 [i915] [ 2538.032480] [] worker_thread+0x124/0x2d0 [ 2538.032483] [] ? manage_workers.isra.27+0x110/0x110 [ 2538.032487] [] kthread+0x6d/0x80 [ 2538.032490] [] ? flush_kthread_worker+0x80/0x80 [ 2538.032494] [] kernel_thread_helper+0x6/0x10 [ 2538.032496] ---[ end trace 8f54fda12e5f6d15 ]--- [ 2539.092088] [drm:intel_lvds_enable] *ERROR* timed out waiting for panel to power on [ 2539.230594] [drm:i915_wait_request] *ERROR* something (likely vbetool) disabled interrupts, re-enabling [ 2545.244258] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung [ 2545.244373] [drm:i915_wait_request] *ERROR* i915_wait_request returns -11 (awaiting 161241 at 161230, next 161249) [ 2545.244699] [drm:init_ring_common] *ERROR* render ring initialization failed ctl 00000000 head 00000000 tail 00000000 start 00000000 [ 2545.308362] [drm] Changing LVDS panel from (+hsync, +vsync) to (-hsync, -vsync) [ 2545.308516] ------------[ cut here ]------------ [ 2545.308544] WARNING: at /build/buildd/linux-3.2.0/drivers/gpu/drm/i915/intel_display.c:793 intel_enable_pipe+0x144/0x150 [i915]() [ 2545.308548] Hardware name: 7661AQ1 [ 2545.308550] PLL state assertion failure (expected on, current off) [ 2545.308552] Modules linked in: joydev parport_pc ppdev rfcomm bnep bluetooth snd_hda_codec_analog pcmcia psmouse serio_raw yenta_socket pcmcia_rsrc pcmcia_core arc4 i915 snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq thinkpad_acpi nvram tpm_tis iwl3945 iwl_legacy snd_timer mac80211 snd_seq_device drm_kms_helper cfg80211 wmi mac_hid snd drm i2c_algo_bit video soundcore snd_page_alloc lp parport firewire_ohci firewire_core crc_itu_t e1000e [ 2545.308600] Pid: 57, comm: kworker/u:6 Tainted: G W 3.2.0-23-generic-pae #36-Ubuntu [ 2545.308603] Call Trace: [ 2545.308612] [] warn_slowpath_common+0x72/0xa0 [ 2545.308628] [] ? intel_enable_pipe+0x144/0x150 [i915] [ 2545.308643] [] ? intel_enable_pipe+0x144/0x150 [i915] [ 2545.308648] [] warn_slowpath_fmt+0x33/0x40 [ 2545.308664] [] intel_enable_pipe+0x144/0x150 [i915] [ 2545.308680] [] i9xx_crtc_mode_set+0x688/0xc60 [i915] [ 2545.308695] [] ? vblank_disable_and_save+0x16c/0x190 [drm] [ 2545.308710] [] ? i965_update_wm+0x189/0x220 [i915] [ 2545.308726] [] intel_crtc_mode_set+0x5c/0x90 [i915] [ 2545.308734] [] drm_crtc_helper_set_mode+0x2a2/0x470 [drm_kms_helper] [ 2545.308743] [] drm_helper_resume_force_mode+0x6d/0x140 [drm_kms_helper] [ 2545.308755] [] i915_reset+0x211/0x2d0 [i915] [ 2545.308768] [] i915_error_work_func+0xae/0xf0 [i915] [ 2545.308774] [] process_one_work+0x101/0x3a0 [ 2545.308780] [] ? common_interrupt+0x30/0x38 [ 2545.308792] [] ? i915_driver_irq_postinstall+0x170/0x170 [i915] [ 2545.308796] [] worker_thread+0x124/0x2d0 [ 2545.308800] [] ? manage_workers.isra.27+0x110/0x110 [ 2545.308804] [] kthread+0x6d/0x80 [ 2545.308807] [] ? flush_kthread_worker+0x80/0x80 [ 2545.308812] [] kernel_thread_helper+0x6/0x10 [ 2545.308814] ---[ end trace 8f54fda12e5f6d16 ]--- [ 2545.424041] ------------[ cut here ]------------ [ 2545.424066] WARNING: at /build/buildd/linux-3.2.0/drivers/gpu/drm/i915/intel_display.c:930 assert_pipe+0x75/0x80 [i915]() [ 2545.424069] Hardware name: 7661AQ1 [ 2545.424072] pipe B assertion failure (expected on, current off) [ 2545.424074] Modules linked in: joydev parport_pc ppdev rfcomm bnep bluetooth snd_hda_codec_analog pcmcia psmouse serio_raw yenta_socket pcmcia_rsrc pcmcia_core arc4 i915 snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq thinkpad_acpi nvram tpm_tis iwl3945 iwl_legacy snd_timer mac80211 snd_seq_device drm_kms_helper cfg80211 wmi mac_hid snd drm i2c_algo_bit video soundcore snd_page_alloc lp parport firewire_ohci firewire_core crc_itu_t e1000e [ 2545.424122] Pid: 57, comm: kworker/u:6 Tainted: G W 3.2.0-23-generic-pae #36-Ubuntu [ 2545.424124] Call Trace: [ 2545.424133] [] warn_slowpath_common+0x72/0xa0 [ 2545.424148] [] ? assert_pipe+0x75/0x80 [i915] [ 2545.424163] [] ? assert_pipe+0x75/0x80 [i915] [ 2545.424168] [] warn_slowpath_fmt+0x33/0x40 [ 2545.424183] [] assert_pipe+0x75/0x80 [i915] [ 2545.424199] [] intel_enable_plane+0x26/0x80 [i915] [ 2545.424217] [] i9xx_crtc_mode_set+0x6b7/0xc60 [i915] [ 2545.424231] [] ? vblank_disable_and_save+0x16c/0x190 [drm] [ 2545.424246] [] ? i965_update_wm+0x189/0x220 [i915] [ 2545.424262] [] intel_crtc_mode_set+0x5c/0x90 [i915] [ 2545.424269] [] drm_crtc_helper_set_mode+0x2a2/0x470 [drm_kms_helper] [ 2545.424279] [] drm_helper_resume_force_mode+0x6d/0x140 [drm_kms_helper] [ 2545.424291] [] i915_reset+0x211/0x2d0 [i915] [ 2545.424304] [] i915_error_work_func+0xae/0xf0 [i915] [ 2545.424310] [] process_one_work+0x101/0x3a0 [ 2545.424316] [] ? common_interrupt+0x30/0x38 [ 2545.424328] [] ? i915_driver_irq_postinstall+0x170/0x170 [i915] [ 2545.424332] [] worker_thread+0x124/0x2d0 [ 2545.424335] [] ? manage_workers.isra.27+0x110/0x110 [ 2545.424339] [] kthread+0x6d/0x80 [ 2545.424343] [] ? flush_kthread_worker+0x80/0x80 [ 2545.424347] [] kernel_thread_helper+0x6/0x10 [ 2545.424349] ---[ end trace 8f54fda12e5f6d17 ]--- [ 2545.540523] ------------[ cut here ]------------ [ 2545.540548] WARNING: at /build/buildd/linux-3.2.0/drivers/gpu/drm/i915/intel_display.c:793 intel_enable_pipe+0x144/0x150 [i915]() [ 2545.540551] Hardware name: 7661AQ1 [ 2545.540554] PLL state assertion failure (expected on, current off) [ 2545.540556] Modules linked in: joydev parport_pc ppdev rfcomm bnep bluetooth snd_hda_codec_analog pcmcia psmouse serio_raw yenta_socket pcmcia_rsrc pcmcia_core arc4 i915 snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq thinkpad_acpi nvram tpm_tis iwl3945 iwl_legacy snd_timer mac80211 snd_seq_device drm_kms_helper cfg80211 wmi mac_hid snd drm i2c_algo_bit video soundcore snd_page_alloc lp parport firewire_ohci firewire_core crc_itu_t e1000e [ 2545.540603] Pid: 57, comm: kworker/u:6 Tainted: G W 3.2.0-23-generic-pae #36-Ubuntu [ 2545.540606] Call Trace: [ 2545.540614] [] warn_slowpath_common+0x72/0xa0 [ 2545.540631] [] ? intel_enable_pipe+0x144/0x150 [i915] [ 2545.540646] [] ? intel_enable_pipe+0x144/0x150 [i915] [ 2545.540651] [] warn_slowpath_fmt+0x33/0x40 [ 2545.540666] [] intel_enable_pipe+0x144/0x150 [i915] [ 2545.540683] [] i9xx_crtc_enable+0x6a/0xa0 [i915] [ 2545.540698] [] i9xx_crtc_commit+0xd/0x10 [i915] [ 2545.540705] [] drm_crtc_helper_set_mode+0x2f8/0x470 [drm_kms_helper] [ 2545.540716] [] drm_helper_resume_force_mode+0x6d/0x140 [drm_kms_helper] [ 2545.540729] [] i915_reset+0x211/0x2d0 [i915] [ 2545.540741] [] i915_error_work_func+0xae/0xf0 [i915] [ 2545.540748] [] process_one_work+0x101/0x3a0 [ 2545.540753] [] ? common_interrupt+0x30/0x38 [ 2545.540766] [] ? i915_driver_irq_postinstall+0x170/0x170 [i915] [ 2545.540770] [] worker_thread+0x124/0x2d0 [ 2545.540773] [] ? manage_workers.isra.27+0x110/0x110 [ 2545.540778] [] kthread+0x6d/0x80 [ 2545.540781] [] ? flush_kthread_worker+0x80/0x80 [ 2545.540785] [] kernel_thread_helper+0x6/0x10 [ 2545.540788] ---[ end trace 8f54fda12e5f6d18 ]--- [ 2545.600041] ------------[ cut here ]------------ [ 2545.600065] WARNING: at /build/buildd/linux-3.2.0/drivers/gpu/drm/i915/intel_display.c:930 assert_pipe+0x75/0x80 [i915]() [ 2545.600068] Hardware name: 7661AQ1 [ 2545.600070] pipe B assertion failure (expected on, current off) [ 2545.600072] Modules linked in: joydev parport_pc ppdev rfcomm bnep bluetooth snd_hda_codec_analog pcmcia psmouse serio_raw yenta_socket pcmcia_rsrc pcmcia_core arc4 i915 snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq thinkpad_acpi nvram tpm_tis iwl3945 iwl_legacy snd_timer mac80211 snd_seq_device drm_kms_helper cfg80211 wmi mac_hid snd drm i2c_algo_bit video soundcore snd_page_alloc lp parport firewire_ohci firewire_core crc_itu_t e1000e [ 2545.600119] Pid: 57, comm: kworker/u:6 Tainted: G W 3.2.0-23-generic-pae #36-Ubuntu [ 2545.600122] Call Trace: [ 2545.600130] [] warn_slowpath_common+0x72/0xa0 [ 2545.600145] [] ? assert_pipe+0x75/0x80 [i915] [ 2545.600161] [] ? assert_pipe+0x75/0x80 [i915] [ 2545.600165] [] warn_slowpath_fmt+0x33/0x40 [ 2545.600180] [] assert_pipe+0x75/0x80 [i915] [ 2545.600196] [] intel_enable_plane+0x26/0x80 [i915] [ 2545.600212] [] i9xx_crtc_enable+0x77/0xa0 [i915] [ 2545.600228] [] i9xx_crtc_commit+0xd/0x10 [i915] [ 2545.600236] [] drm_crtc_helper_set_mode+0x2f8/0x470 [drm_kms_helper] [ 2545.600246] [] drm_helper_resume_force_mode+0x6d/0x140 [drm_kms_helper] [ 2545.600259] [] i915_reset+0x211/0x2d0 [i915] [ 2545.600271] [] i915_error_work_func+0xae/0xf0 [i915] [ 2545.600277] [] process_one_work+0x101/0x3a0 [ 2545.600283] [] ? common_interrupt+0x30/0x38 [ 2545.600295] [] ? i915_driver_irq_postinstall+0x170/0x170 [i915] [ 2545.600299] [] worker_thread+0x124/0x2d0 [ 2545.600303] [] ? manage_workers.isra.27+0x110/0x110 [ 2545.600307] [] kthread+0x6d/0x80 [ 2545.600310] [] ? flush_kthread_worker+0x80/0x80 [ 2545.600314] [] kernel_thread_helper+0x6/0x10 [ 2545.600317] ---[ end trace 8f54fda12e5f6d19 ]---