This affects me to. I'm running a new install of 12.04 with gnome- session-fallback on an AMD computer with a nvidia GT240 graphics card. I have not yet established if specific applications are causing this bug.
Syslog output from the point of the crash untill power off: Jul 10 05:57:17 GA-990XA-UD3 kernel: [ 613.085250] [drm] nouveau 0000:01:00.0: vm flush timeout: engine 0 Jul 10 05:57:19 GA-990XA-UD3 kernel: [ 615.085167] [drm] nouveau 0000:01:00.0: vm flush timeout: engine 5 Jul 10 05:57:26 GA-990XA-UD3 kernel: [ 620.079955] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00b00003 0x00000000 0x00005068 0x00000000 Jul 10 05:57:26 GA-990XA-UD3 kernel: [ 622.079466] [drm] nouveau 0000:01:00.0: vm flush timeout: engine 0 Jul 10 05:57:28 GA-990XA-UD3 kernel: [ 624.079955] [drm] nouveau 0000:01:00.0: vm flush timeout: engine 5 Jul 10 05:57:32 GA-990XA-UD3 kernel: [ 626.079991] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00b00003 0x00000000 0x00005068 0x00000000 Jul 10 05:57:32 GA-990XA-UD3 kernel: [ 628.079503] [drm] nouveau 0000:01:00.0: vm flush timeout: engine 0 Jul 10 05:57:34 GA-990XA-UD3 kernel: [ 630.079190] [drm] nouveau 0000:01:00.0: vm flush timeout: engine 5 Jul 10 05:57:38 GA-990XA-UD3 kernel: [ 632.079107] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00b00003 0x00000000 0x00005068 0x00000000 Jul 10 05:57:38 GA-990XA-UD3 kernel: [ 634.078619] [drm] nouveau 0000:01:00.0: vm flush timeout: engine 0 Jul 10 05:57:40 GA-990XA-UD3 kernel: [ 636.078255] [drm] nouveau 0000:01:00.0: vm flush timeout: engine 5 Jul 10 05:57:45 GA-990XA-UD3 kernel: [ 637.405954] [drm] nouveau 0000:01:00.0: PFIFO_INTR 0x04000000 - Ch 4 Jul 10 05:57:45 GA-990XA-UD3 kernel: [ 639.405574] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00b00003 0x00000000 0x00005068 0x00000000 Jul 10 05:57:45 GA-990XA-UD3 kernel: [ 641.405085] [drm] nouveau 0000:01:00.0: vm flush timeout: engine 0 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: snd_pcm_avail() returned a value that is exceptionally large: 588420 bytes (3335 ms). Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: Most likely this is a bug in the ALSA driver 'snd_hda_intel'. Please report this issue to the ALSA developers. Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: snd_pcm_dump(): Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: Soft volume PCM Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: Control: PCM Playback Volume Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: min_dB: -51 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: max_dB: 0 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: resolution: 256 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: Its setup is: Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: stream : PLAYBACK Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: access : MMAP_INTERLEAVED Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: format : S16_LE Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: subformat : STD Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: channels : 2 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: rate : 44100 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: exact rate : 44100 (44100/1) Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: msbits : 16 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: buffer_size : 16384 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: period_size : 8192 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: period_time : 185759 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: tstamp_mode : ENABLE Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: period_step : 1 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: avail_min : 16209 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: period_event : 0 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: start_threshold : -1 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: stop_threshold : 4611686018427387904 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: silence_threshold: 0 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: silence_size : 0 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: boundary : 4611686018427387904 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: Slave: Hardware PCM card 0 'HDA ATI SB' device 0 subdevice 0 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: Its setup is: Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: stream : PLAYBACK Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: access : MMAP_INTERLEAVED Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: format : S16_LE Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: subformat : STD Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: channels : 2 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: rate : 44100 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: exact rate : 44100 (44100/1) Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: msbits : 16 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: buffer_size : 16384 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: period_size : 8192 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: period_time : 185759 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: tstamp_mode : ENABLE Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: period_step : 1 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: avail_min : 16209 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: period_event : 0 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: start_threshold : -1 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: stop_threshold : 4611686018427387904 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: silence_threshold: 0 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: silence_size : 0 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: boundary : 4611686018427387904 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: appl_ptr : 12933491 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: hw_ptr : 13064212 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: snd_pcm_delay() returned a value that is exceptionally large: -494984 bytes (-2806 ms). Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: Most likely this is a bug in the ALSA driver 'snd_hda_intel'. Please report this issue to the ALSA developers. Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: snd_pcm_dump(): Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: Soft volume PCM Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: Control: PCM Playback Volume Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: min_dB: -51 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: max_dB: 0 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: resolution: 256 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: Its setup is: Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: stream : PLAYBACK Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: access : MMAP_INTERLEAVED Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: format : S16_LE Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: subformat : STD Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: channels : 2 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: rate : 44100 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: exact rate : 44100 (44100/1) Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: msbits : 16 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: buffer_size : 16384 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: period_size : 8192 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: period_time : 185759 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: tstamp_mode : ENABLE Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: period_step : 1 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: avail_min : 16209 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: period_event : 0 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: start_threshold : -1 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: stop_threshold : 4611686018427387904 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: silence_threshold: 0 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: silence_size : 0 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: boundary : 4611686018427387904 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: Slave: Hardware PCM card 0 'HDA ATI SB' device 0 subdevice 0 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: Its setup is: Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: stream : PLAYBACK Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: access : MMAP_INTERLEAVED Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: format : S16_LE Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: subformat : STD Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: channels : 2 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: rate : 44100 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: exact rate : 44100 (44100/1) Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: msbits : 16 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: buffer_size : 16384 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: period_size : 8192 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: period_time : 185759 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: tstamp_mode : ENABLE Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: period_step : 1 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: avail_min : 16209 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: period_event : 0 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: start_threshold : -1 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: stop_threshold : 4611686018427387904 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: silence_threshold: 0 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: silence_size : 0 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: boundary : 4611686018427387904 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: appl_ptr : 12940541 Jul 10 05:57:45 GA-990XA-UD3 pulseaudio[2584]: [alsa-sink] alsa-util.c: hw_ptr : 13064287 Jul 10 05:57:47 GA-990XA-UD3 kernel: [ 643.404872] [drm] nouveau 0000:01:00.0: vm flush timeout: engine 5 Jul 10 05:57:48 GA-990XA-UD3 kernel: [ 644.454109] Clocksource tsc unstable (delta = -209675555 ns) Jul 10 05:57:58 GA-990XA-UD3 kernel: [ 648.715173] Switching to clocksource hpet Jul 10 05:57:58 GA-990XA-UD3 kernel: [ 648.717772] [sched_delayed] sched: RT throttling activated Jul 10 05:57:58 GA-990XA-UD3 kernel: [ 650.714339] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00b00003 0x00000000 0x00005068 0x00000000 Jul 10 05:57:58 GA-990XA-UD3 kernel: [ 652.713844] [drm] nouveau 0000:01:00.0: vm flush timeout: engine 0 Jul 10 05:57:58 GA-990XA-UD3 kernel: [ 652.713854] [drm] nouveau 0000:01:00.0: PFIFO_INTR 0x04200000 - Ch 4 Jul 10 05:57:58 GA-990XA-UD3 kernel: [ 654.713388] [drm] nouveau 0000:01:00.0: vm flush timeout: engine 5 Jul 10 05:57:58 GA-990XA-UD3 rtkit-daemon[2326]: The canary thread is apparently starving. Taking action. Jul 10 05:57:58 GA-990XA-UD3 rtkit-daemon[2326]: Demoting known real-time threads. Jul 10 05:57:58 GA-990XA-UD3 rtkit-daemon[2326]: Successfully demoted thread 2664 of process 2584 (n/a). Jul 10 05:57:58 GA-990XA-UD3 rtkit-daemon[2326]: Successfully demoted thread 2663 of process 2584 (n/a). Jul 10 05:57:58 GA-990XA-UD3 rtkit-daemon[2326]: Successfully demoted thread 2661 of process 2584 (n/a). Jul 10 05:57:58 GA-990XA-UD3 rtkit-daemon[2326]: Successfully demoted thread 2660 of process 2584 (n/a). Jul 10 05:57:58 GA-990XA-UD3 rtkit-daemon[2326]: Successfully demotJul 10 06:00:02 GA-990XA-UD3 kernel: imklog 5.8.6, log source = /proc/kmsg started. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-nouveau in Ubuntu. https://bugs.launchpad.net/bugs/977588 Title: GPU hangs with PGRAPH TLB flush idle timeout fail To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/977588/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp