Trying to switch back to nvidia seems to not have worked correctly, thus noveau is loaded as fallback and the machine just froze again.
Dmesg snippet during system startup: [ 15.683866] init: Failed to spawn hybrid-gfx main process: unable to execute: No such file or directory [ 15.840021] nouveau [ PTHERM][0000:01:00.0] FAN control: none / external [ 15.840029] nouveau [ PTHERM][0000:01:00.0] fan management: automatic [ 15.840032] nouveau [ PTHERM][0000:01:00.0] internal sensor: yes [ 15.840048] nouveau [ CLK][0000:01:00.0] 03: core 135 MHz shader 270 MHz memory 135 MHz [ 15.840051] nouveau [ CLK][0000:01:00.0] 07: core 405 MHz shader 810 MHz memory 405 MHz [ 15.840054] nouveau [ CLK][0000:01:00.0] 0f: core 589 MHz shader 1402 MHz memory 405 MHz [ 15.840072] nouveau [ CLK][0000:01:00.0] --: core 405 MHz shader 810 MHz memory 405 MHz [ 15.840178] [TTM] Zone kernel: Available graphics memory: 2003274 kiB [ 15.840179] [TTM] Initializing pool allocator [ 15.840182] [TTM] Initializing DMA pool allocator [ 15.840190] nouveau [ DRM] VRAM: 512 MiB [ 15.840191] nouveau [ DRM] GART: 1048576 MiB [ 15.840194] nouveau [ DRM] TMDS table version 2.0 [ 15.840195] nouveau [ DRM] DCB version 4.0 [ 15.840197] nouveau [ DRM] DCB outp 00: 01000302 00020030 [ 15.840199] nouveau [ DRM] DCB outp 01: 02000300 00000000 [ 15.840200] nouveau [ DRM] DCB outp 02: 02011362 0f220010 [ 15.840202] nouveau [ DRM] DCB outp 03: 01022310 00020010 [ 15.840203] nouveau [ DRM] DCB conn 00: 00001030 [ 15.840205] nouveau [ DRM] DCB conn 01: 00102161 [ 15.840206] nouveau [ DRM] DCB conn 02: 00000200 [ 15.858653] init: mongodb main process (1448) terminated with status 2 [ 15.876276] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 15.876279] [drm] No driver support for vblank timestamp query. [ 15.915984] nouveau [ DRM] MM: using COPY for buffer copies [ 15.969618] nouveau [ DRM] allocated 1920x1080 fb: 0x70000, bo ffff8800af8e1400 [ 15.969714] fbcon: nouveaufb (fb0) is primary device [ 16.021856] init: gdm main process (1472) killed by TERM signal [ 16.040403] Console: switching to colour frame buffer device 240x67 [ 16.043600] nouveau 0000:01:00.0: fb0: nouveaufb frame buffer device [ 16.043601] nouveau 0000:01:00.0: registered panic notifier [ 16.043608] [drm] Initialized nouveau 1.1.1 20120801 for 0000:01:00.0 on minor 0 [ 16.043746] hda_intel: Disabling MSI [ 16.043756] hda-intel 0000:01:00.1: Handle VGA-switcheroo audio client [ 16.043778] hda-intel 0000:01:00.1: Disabling 64bit DMA [ 16.047190] hda-intel 0000:01:00.1: Enable delay in RIRB handling [ 16.048367] nvidia: module license 'NVIDIA' taints kernel. [ 16.048370] Disabling lock debugging due to kernel taint [ 16.053282] nvidia: module verification failed: signature and/or required key missing - tainting kernel [ 16.732991] init: plymouth-upstart-bridge main process ended, respawning [ 16.820979] postgres (1713): /proc/1713/oom_adj is deprecated, please use /proc/1713/oom_score_adj instead. [ 16.908232] input: HDA NVidia HDMI/DP,pcm=9 as /devices/pci0000:00/0000:00:03.0/0000:01:00.1/sound/card1/input18 [ 16.908450] input: HDA NVidia HDMI/DP,pcm=8 as /devices/pci0000:00/0000:00:03.0/0000:01:00.1/sound/card1/input17 [ 16.908561] input: HDA NVidia HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:03.0/0000:01:00.1/sound/card1/input16 [ 16.908781] input: HDA NVidia HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:03.0/0000:01:00.1/sound/card1/input15 [ 16.924672] NVRM: The NVIDIA probe routine was not called for 1 device(s). [ 16.924675] NVRM: This can occur when a driver such as: [ 16.924675] NVRM: nouveau, rivafb, nvidiafb or rivatv [ 16.924675] NVRM: was loaded and obtained ownership of the NVIDIA device(s). [ 16.924678] NVRM: Try unloading the conflicting kernel module (and/or [ 16.924678] NVRM: reconfigure your kernel without the conflicting [ 16.924678] NVRM: driver(s)), then try loading the NVIDIA kernel module [ 16.924678] NVRM: again. [ 16.924680] NVRM: No NVIDIA graphics adapter probed! [ 16.924681] [drm] Module unloaded [ 16.925050] NVRM: NVIDIA init module failed! [ 16.942477] systemd-udevd[542]: Failed to apply ACL on /dev/dri/card1: No such file or directory [ 16.942486] systemd-udevd[542]: Failed to apply ACL on /dev/dri/card1: No such file or directory [ 16.950076] init: Failed to spawn hybrid-gfx main process: unable to execute: No such file or directory [ 16.973863] init: plymouth-stop pre-start process (1738) terminated with status 1 [ 17.016828] init: kdm main process (1765) killed by TERM signal [ 17.049041] bio: create slab <bio-1> at 1 [ 17.174874] Adding 4805628k swap on /dev/mapper/cryptswap1. Priority:-1 extents:1 across:4805628k SSFS [ 17.482044] r8169 0000:03:00.0 eth0: link up [ 17.482052] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 21.780472] init: plymouth-stop pre-start process (3181) terminated with status 1 [ 25.747500] init: Failed to spawn nvidia-persistenced main process: unable to execute: No such file or directory [ 25.749545] init: nvidia-prime main process (1392) terminated with status 1 [ 44.585145] audit_printk_skb: 180 callbacks suppressed dmesg snippet when the machine froze: [ 15.425973] type=1400 audit(1403553244.098:11): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/share/gdm/guest-session/Xsession" pid=993 comm="apparmor_parser" [ 15.443717] r8169 0000:03:00.0 eth0: link down [ 15.443731] r8169 0000:03:00.0 eth0: link down [ 15.443773] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready [ 15.444053] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready [ 16.126223] init: Failed to spawn hybrid-gfx main process: unable to execute: No such file or directory [ 16.148014] nouveau [ PTHERM][0000:01:00.0] FAN control: none / external [ 16.148022] nouveau [ PTHERM][0000:01:00.0] fan management: automatic [ 16.148025] nouveau [ PTHERM][0000:01:00.0] internal sensor: yes [ 16.148048] nouveau [ CLK][0000:01:00.0] 03: core 135 MHz shader 270 MHz memory 135 MHz [ 16.148051] nouveau [ CLK][0000:01:00.0] 07: core 405 MHz shader 810 MHz memory 405 MHz [ 16.148054] nouveau [ CLK][0000:01:00.0] 0f: core 589 MHz shader 1402 MHz memory 405 MHz [ 16.148071] nouveau [ CLK][0000:01:00.0] --: core 405 MHz shader 810 MHz memory 405 MHz [ 16.148174] [TTM] Zone kernel: Available graphics memory: 2003274 kiB [ 16.148175] [TTM] Initializing pool allocator [ 16.148179] [TTM] Initializing DMA pool allocator [ 16.148185] nouveau [ DRM] VRAM: 512 MiB [ 16.148187] nouveau [ DRM] GART: 1048576 MiB [ 16.148190] nouveau [ DRM] TMDS table version 2.0 [ 16.148191] nouveau [ DRM] DCB version 4.0 [ 16.148193] nouveau [ DRM] DCB outp 00: 01000302 00020030 [ 16.148195] nouveau [ DRM] DCB outp 01: 02000300 00000000 [ 16.148196] nouveau [ DRM] DCB outp 02: 02011362 0f220010 [ 16.148198] nouveau [ DRM] DCB outp 03: 01022310 00020010 [ 16.148199] nouveau [ DRM] DCB conn 00: 00001030 [ 16.148201] nouveau [ DRM] DCB conn 01: 00102161 [ 16.148202] nouveau [ DRM] DCB conn 02: 00000200 [ 16.184294] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 16.184297] [drm] No driver support for vblank timestamp query. [ 16.224641] nouveau [ DRM] MM: using COPY for buffer copies [ 16.278430] nouveau [ DRM] allocated 1920x1080 fb: 0x70000, bo ffff8800a9d18000 [ 16.284084] fbcon: nouveaufb (fb0) is primary device [ 16.340235] Console: switching to colour frame buffer device 240x67 [ 16.343431] nouveau 0000:01:00.0: fb0: nouveaufb frame buffer device [ 16.343433] nouveau 0000:01:00.0: registered panic notifier [ 16.343440] [drm] Initialized nouveau 1.1.1 20120801 for 0000:01:00.0 on minor 0 [ 16.343580] hda_intel: Disabling MSI [ 16.343590] hda-intel 0000:01:00.1: Handle VGA-switcheroo audio client [ 16.343613] hda-intel 0000:01:00.1: Disabling 64bit DMA [ 16.348084] nvidia: module license 'NVIDIA' taints kernel. [ 16.348088] Disabling lock debugging due to kernel taint [ 16.356012] nvidia: module verification failed: signature and/or required key missing - tainting kernel [ 16.359475] hda-intel 0000:01:00.1: Enable delay in RIRB handling [ 16.440323] init: mongodb main process (1509) terminated with status 2 [ 16.578588] init: gdm main process (1522) killed by TERM signal [ 17.132628] init: plymouth-upstart-bridge main process ended, respawning [ 17.136768] init: plymouth-upstart-bridge main process (1726) terminated with status 1 [ 17.136780] init: plymouth-upstart-bridge main process ended, respawning [ 17.196089] input: HDA NVidia HDMI/DP,pcm=9 as /devices/pci0000:00/0000:00:03.0/0000:01:00.1/sound/card1/input18 [ 17.196191] input: HDA NVidia HDMI/DP,pcm=8 as /devices/pci0000:00/0000:00:03.0/0000:01:00.1/sound/card1/input17 [ 17.196256] input: HDA NVidia HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:03.0/0000:01:00.1/sound/card1/input16 [ 17.196332] input: HDA NVidia HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:03.0/0000:01:00.1/sound/card1/input15 [ 17.197856] NVRM: The NVIDIA probe routine was not called for 1 device(s). [ 17.197858] NVRM: This can occur when a driver such as: [ 17.197858] NVRM: nouveau, rivafb, nvidiafb or rivatv [ 17.197858] NVRM: was loaded and obtained ownership of the NVIDIA device(s). [ 17.197861] NVRM: Try unloading the conflicting kernel module (and/or [ 17.197861] NVRM: reconfigure your kernel without the conflicting [ 17.197861] NVRM: driver(s)), then try loading the NVIDIA kernel module [ 17.197861] NVRM: again. [ 17.197863] NVRM: No NVIDIA graphics adapter probed! [ 17.197864] [drm] Module unloaded [ 17.200411] NVRM: NVIDIA init module failed! [ 17.226904] systemd-udevd[484]: Failed to apply ACL on /dev/dri/card1: No such file or directory [ 17.226913] systemd-udevd[484]: Failed to apply ACL on /dev/dri/card1: No such file or directory [ 17.240462] init: Failed to spawn hybrid-gfx main process: unable to execute: No such file or directory [ 17.258766] postgres (1778): /proc/1778/oom_adj is deprecated, please use /proc/1778/oom_score_adj instead. [ 17.262601] init: plymouth-stop pre-start process (1770) terminated with status 1 [ 17.298621] init: kdm main process (1799) killed by TERM signal [ 17.361497] bio: create slab <bio-1> at 1 [ 17.473439] Adding 4805628k swap on /dev/mapper/cryptswap1. Priority:-1 extents:1 across:4805628k SSFS [ 17.780425] r8169 0000:03:00.0 eth0: link up [ 17.780437] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 22.197577] init: plymouth-stop pre-start process (3228) terminated with status 1 [ 26.226032] init: Failed to spawn nvidia-persistenced main process: unable to execute: No such file or directory [ 26.228217] init: nvidia-prime main process (1430) terminated with status 1 [ 44.811635] audit_printk_skb: 180 callbacks suppressed [ 44.811638] type=1400 audit(1403553273.491:72): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/cups/backend/cups-pdf" pid=4015 comm="apparmor_parser" [ 44.811643] type=1400 audit(1403553273.491:73): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=4015 comm="apparmor_parser" [ 44.812001] type=1400 audit(1403553273.491:74): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=4015 comm="apparmor_parser" [ 406.938979] nouveau E[ PFIFO][0000:01:00.0] DMA_PUSHER - ch 3 [Xorg[1676]] get 0x00200224a0 put 0x00200224c4 ib_get 0x000003e3 ib_put 0x00000042 state 0x80000024 (err: INVALID_CMD) push 0x00400040 [ 406.939061] nouveau E[ PGRAPH][0000:01:00.0] DATA_ERROR INVALID_VALUE [ 406.939065] nouveau E[ PGRAPH][0000:01:00.0] DATA_ERROR [ 406.939068] nouveau E[ PGRAPH][0000:01:00.0] ch 3 [0x001fb24000 Xorg[1676]] subc 2 class 0x502d mthd 0x0608 data 0x00040060 [ 406.939082] nouveau E[ PGRAPH][0000:01:00.0] DATA_ERROR INVALID_VALUE [ 406.939084] nouveau E[ PGRAPH][0000:01:00.0] DATA_ERROR [ 406.939086] nouveau E[ PGRAPH][0000:01:00.0] ch 3 [0x001fb24000 Xorg[1676]] subc 2 class 0x502d mthd 0x060c data 0xbeef0201 [ 462.927954] nouveau E[ PFIFO][0000:01:00.0] DMA_PUSHER - ch 3 [Xorg[1676]] get 0x0020038ef0 put 0x0020038efc ib_get 0x00000041 ib_put 0x000000ea state 0x80000064 (err: INVALID_CMD) push 0x00400040 [ 567.177821] nouveau E[ PFIFO][0000:01:00.0] DMA_PUSHER - ch 3 [Xorg[1676]] get 0x002002c2fc put 0x002002c324 ib_get 0x000000a3 ib_put 0x0000011e state 0x80004610 (err: INVALID_CMD) push 0x00400040 [ 572.375512] nouveau E[ PGRAPH][0000:01:00.0] DATA_ERROR INVALID_VALUE [ 572.375523] nouveau E[ PGRAPH][0000:01:00.0] DATA_ERROR [ 572.375532] nouveau E[ PGRAPH][0000:01:00.0] ch 3 [0x001fb24000 Xorg[1676]] subc 2 class 0x502d mthd 0x0608 data 0x00040060 [ 586.755637] nouveau E[ PFIFO][0000:01:00.0] DMA_PUSHER - ch 3 [Xorg[1676]] get 0x0020028f68 put 0x0020028fe0 ib_get 0x000001ad ib_put 0x00000250 state 0x80004610 (err: INVALID_CMD) push 0x00400040 [ 818.862444] perf samples too long (2506 > 2500), lowering kernel.perf_event_max_sample_rate to 50000 [ 907.127333] nouveau E[ PFIFO][0000:01:00.0] DMA_PUSHER - ch 3 [Xorg[1676]] get 0x0020027ac4 put 0x0020027c04 ib_get 0x000003ec ib_put 0x00000029 state 0x8000e684 (err: INVALID_CMD) push 0x00400040 [ 908.140267] nouveau E[ PGRAPH][0000:01:00.0] DATA_ERROR BEGIN_END_ACTIVE [ 908.140278] nouveau E[ PGRAPH][0000:01:00.0] DATA_ERROR [ 908.140287] nouveau E[ PGRAPH][0000:01:00.0] ch 3 [0x001fb24000 Xorg[1676]] subc 7 class 0x8597 mthd 0x1360 data 0x00000001 [ 908.140300] nouveau E[ PGRAPH][0000:01:00.0] DATA_ERROR BEGIN_END_ACTIVE [ 908.140305] nouveau E[ PGRAPH][0000:01:00.0] DATA_ERROR [ 908.140312] nouveau E[ PGRAPH][0000:01:00.0] ch 3 [0x001fb24000 Xorg[1676]] subc 7 class 0x8597 mthd 0x1340 data 0x00008006 [ 908.140323] nouveau E[ PGRAPH][0000:01:00.0] DATA_ERROR BEGIN_END_ACTIVE [ 908.140328] nouveau E[ PGRAPH][0000:01:00.0] DATA_ERROR [ 908.140334] nouveau E[ PGRAPH][0000:01:00.0] ch 3 [0x001fb24000 Xorg[1676]] subc 7 class 0x8597 mthd 0x1344 data 0x00004001 [ 908.140349] nouveau E[ PGRAPH][0000:01:00.0] DATA_ERROR BEGIN_END_ACTIVE [ 908.140351] nouveau E[ PGRAPH][0000:01:00.0] DATA_ERROR [ 908.140354] nouveau E[ PGRAPH][0000:01:00.0] ch 3 [0x001fb24000 Xorg[1676]] subc 7 class 0x8597 mthd 0x1348 data 0x00004303 [ 908.140363] nouveau E[ PGRAPH][0000:01:00.0] DATA_ERROR BEGIN_END_ACTIVE [ 908.140365] nouveau E[ PGRAPH][0000:01:00.0] DATA_ERROR [ 908.140367] nouveau E[ PGRAPH][0000:01:00.0] ch 3 [0x001fb24000 Xorg[1676]] subc 7 class 0x8597 mthd 0x134c data 0x00008006 [ 908.140380] nouveau E[ PGRAPH][0000:01:00.0] DATA_ERROR BEGIN_END_ACTIVE [ 908.140385] nouveau E[ PGRAPH][0000:01:00.0] DATA_ERROR [ 908.140391] nouveau E[ PGRAPH][0000:01:00.0] ch 3 [0x001fb24000 Xorg[1676]] subc 7 class 0x8597 mthd 0x1350 data 0x00004001 [ 908.140403] nouveau E[ PGRAPH][0000:01:00.0] DATA_ERROR BEGIN_END_ACTIVE [ 908.140407] nouveau E[ PGRAPH][0000:01:00.0] DATA_ERROR [ 908.140413] nouveau E[ PGRAPH][0000:01:00.0] ch 3 [0x001fb24000 Xorg[1676]] subc 7 class 0x8597 mthd 0x1358 data 0x00004303 [ 1108.707481] nouveau E[ PFIFO][0000:01:00.0] DMA_PUSHER - ch 3 [Xorg[1676]] get 0x0020014d90 put 0x0020014da0 ib_get 0x00000185 ib_put 0x00000249 state 0x8000f5e0 (err: INVALID_CMD) push 0x00400040 [ 1108.708870] nouveau E[ PGRAPH][0000:01:00.0] DATA_ERROR BEGIN_END_ACTIVE [ 1108.708875] nouveau E[ PGRAPH][0000:01:00.0] DATA_ERROR [ 1108.708880] nouveau E[ PGRAPH][0000:01:00.0] ch 3 [0x001fb24000 Xorg[1676]] subc 7 class 0x8597 mthd 0x1360 data 0x00000000 [ 1121.708827] nouveau E[ PGRAPH][0000:01:00.0] DATA_ERROR INVALID_VALUE [ 1121.708837] nouveau E[ PGRAPH][0000:01:00.0] DATA_ERROR [ 1121.708846] nouveau E[ PGRAPH][0000:01:00.0] ch 3 [0x001fb24000 Xorg[1676]] subc 2 class 0x502d mthd 0x0608 data 0x00044110 [ 1800.179119] nouveau E[ PFIFO][0000:01:00.0] DMA_PUSHER - ch 3 [Xorg[1676]] get 0x002003a8d8 put 0x002003a900 ib_get 0x00000364 ib_put 0x000000d3 state 0x8000458c (err: INVALID_CMD) push 0x00400040 [ 2005.093019] nouveau E[ PFIFO][0000:01:00.0] DMA_PUSHER - ch 3 [Xorg[1676]] get 0x002001088c put 0x002001089c ib_get 0x00000306 ib_put 0x000003ca state 0x80000024 (err: INVALID_CMD) push 0x00400040 [ 2005.094193] nouveau E[ PGRAPH][0000:01:00.0] DATA_ERROR INVALID_VALUE [ 2005.094197] nouveau E[ PGRAPH][0000:01:00.0] DATA_ERROR [ 2005.094200] nouveau E[ PGRAPH][0000:01:00.0] ch 3 [0x001fb24000 Xorg[1676]] subc 2 class 0x502d mthd 0x060c data 0xbeef0201 /var/log/Xorg.0.log contains lots of (EE) Backtrace: (EE) 0: /usr/bin/X (xorg_backtrace+0x48) [0x7f105114cc78] (EE) 1: /usr/bin/X (QueuePointerEvents+0x52) [0x7f1051010b12] (EE) 2: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f1046ed0000+0x57fd) [0x7f1046ed57fd] (EE) 3: /usr/bin/X (0x7f1050fa4000+0x92e88) [0x7f1051036e88] (EE) 4: /usr/bin/X (0x7f1050fa4000+0xbb530) [0x7f105105f530] (EE) 5: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f10500a1000+0x10340) [0x7f10500b1340] (EE) 6: /lib/x86_64-linux-gnu/libc.so.6 (ioctl+0x7) [0x7f104ebb11c7] (EE) 7: /usr/lib/x86_64-linux-gnu/libdrm.so.2 (drmIoctl+0x34) [0x7f104fe983a4] (EE) 8: /usr/lib/x86_64-linux-gnu/libdrm.so.2 (drmCommandWrite+0x1e) [0x7f104fe9a6be] (EE) 9: /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2 (nouveau_bo_wait+0x89) [0x7f104aa3b1c9] (EE) 10: /usr/lib/xorg/modules/drivers/nouveau_drv.so (0x7f104ac3f000+0x701b) [0x7f104ac4601b] (EE) 11: /usr/lib/xorg/modules/libexa.so (0x7f1049de1000+0x56f7) [0x7f1049de66f7] (EE) 12: /usr/lib/xorg/modules/libexa.so (0x7f1049de1000+0x7d18) [0x7f1049de8d18] (EE) 13: /usr/lib/xorg/modules/libexa.so (0x7f1049de1000+0x1193f) [0x7f1049df293f] (EE) 14: /usr/lib/xorg/modules/libexa.so (0x7f1049de1000+0xe236) [0x7f1049def236] (EE) 15: /usr/lib/xorg/modules/libexa.so (0x7f1049de1000+0xc3de) [0x7f1049ded3de] (EE) 16: /usr/bin/X (0x7f1050fa4000+0x1333a6) [0x7f10510d73a6] (EE) 17: /usr/bin/X (0x7f1050fa4000+0x12988e) [0x7f10510cd88e] (EE) 18: /usr/bin/X (0x7f1050fa4000+0x55abe) [0x7f1050ff9abe] (EE) 19: /usr/bin/X (0x7f1050fa4000+0x5994a) [0x7f1050ffd94a] (EE) 20: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5) [0x7f104eae0ec5] (EE) 21: /usr/bin/X (0x7f1050fa4000+0x44e7e) [0x7f1050fe8e7e] (EE) (EE) [mi] EQ overflow continuing. 1000 events have been dropped. (EE) [mi] No further overflow reports will be reported until the clog is cleared. <snip> [ 2095.502] nouveau_exa_download_from_screen:299 - falling back to memcpy ignores tiling [ 2095.502] nouveau_exa_download_from_screen:299 - falling back to memcpy ignores tiling [ 2095.502] nouveau_exa_download_from_screen:299 - falling back to memcpy ignores tiling [ 2095.502] nouveau_exa_download_from_screen:299 - falling back to memcpy ignores tiling [ 2095.502] nouveau_exa_download_from_screen:299 - falling back to memcpy ignores tiling [ 2095.502] nouveau_exa_download_from_screen:299 - falling back to memcpy ignores tiling [ 2095.502] nouveau_exa_download_from_screen:299 - falling back to memcpy ignores tiling [ 2095.502] nouveau_exa_download_from_screen:299 - falling back to memcpy ignores tiling [ 2095.502] nouveau_exa_download_from_screen:299 - falling back to memcpy ignores tiling [ 2095.503] nouveau_exa_download_from_screen:299 - falling back to memcpy ignores tiling [ 2095.503] nouveau_exa_download_from_screen:299 - falling back to memcpy ignores tiling [ 2095.503] nouveau_exa_download_from_screen:299 - falling back to memcpy ignores tiling [ 2095.503] nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling [ 2095.503] nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling [ 2095.503] nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling [ 2095.503] nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling [ 2095.503] nouveau_exa_download_from_screen:299 - falling back to memcpy ignores tiling [ 2095.505] nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling [ 2095.505] nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling [ 2095.505] nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling [ 2095.505] nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling [ 2095.505] nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling [ 2095.505] nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling [ 2095.505] nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling [ 2095.505] nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling [ 2095.505] nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling [ 2095.505] nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling [ 2095.505] nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling [ 2095.505] nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling [ 2095.505] nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling [ 2095.505] nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling [ 2095.505] nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling [ 2095.506] nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling [ 2095.506] nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling [ 2095.506] nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling [ 2095.506] nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling [ 2095.506] nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling [ 2095.506] nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling [ 2095.506] nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling [ 2095.506] nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling [ 2095.506] nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling [ 2095.506] nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling [ 2095.506] nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling [ 2095.506] nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling [ 2095.506] nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling [ 2095.506] nouveau_exa_download_from_screen:299 - falling back to memcpy ignores tiling [ 2095.506] nouveau_exa_download_from_screen:299 - falling back to memcpy ignores tiling [ 2095.507] nouveau_exa_download_from_screen:299 - falling back to memcpy ignores tiling [ 2095.508] nouveau_exa_download_from_screen:299 - falling back to memcpy ignores tiling [ 2095.509] nouveau_exa_download_from_screen:299 - falling back to memcpy ignores tiling Current kernel is: Linux machine 3.13.0-30-generic #54-Ubuntu SMP Mon Jun 9 22:45:01 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xserver-xorg-video-nouveau in Ubuntu. https://bugs.launchpad.net/bugs/1314405 Title: Screen freezes due to Xorg crashed SIGABRT and nouveau error Status in “xserver-xorg-video-nouveau” package in Ubuntu: New Bug description: The machine just freezes in my Unity session, sometimes after minutes, sometimes after some hours. Any audio is running about ten minutes longer before the machine either reboots or Xorg is reloaded. Happens daily since updating to 14.04. I cannot change to different terminals to manually reload Xorg, the machine is blocked once the screen freezes. Trying to report the problem via aport-gtk yields an error upon upload: Apr 29 23:03:08 m whoopsie[1380]: message repeated 3 times: [ offline] Apr 29 23:03:08 m whoopsie[1380]: online Apr 29 23:03:08 m whoopsie[1380]: Parsing /var/crash/_usr_bin_Xorg.0.crash. Apr 29 23:03:09 m whoopsie[1380]: Uploading /var/crash/_usr_bin_Xorg.0.crash. Apr 29 23:05:09 m whoopsie[1380]: Sent; server replied with: No error Apr 29 23:05:09 m whoopsie[1380]: Response code: 502 Apr 29 23:05:09 m whoopsie[1380]: Server replied with: Apr 29 23:05:09 m whoopsie[1380]: <html><body><h1>502 Bad Gateway</h1>#012The server returned an invalid or incomplete response.#012</body></html>#012 Apr 29 23:05:09 m whoopsie[1380]: Could not upload; processing later (/var/crash/_usr_bin_Xorg.0.crash). Sometimes I do see the aport-UI after logging in to my unity session, but the screen disappears and my unity session is loaded 1 second later. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2 ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9 Uname: Linux 3.13.0-24-generic x86_64 .tmp.unity.support.test.0: ApportVersion: 2.14.1-0ubuntu3 Architecture: amd64 CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,snap,place,move,imgpng,mousepoll,grid,gnomecompat,unitymtgrabhandles,resize,vpswitch,regex,wall,session,animation,fade,workarounds,scale,expo,ezoom,unityshell] CompositorRunning: compiz CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0' CompositorUnredirectFSW: true CurrentDesktop: Unity Date: Tue Apr 29 23:19:46 2014 DistUpgraded: 2014-04-24 15:44:51,909 DEBUG enabling apt cron job DistroCodename: trusty DistroVariant: ubuntu DkmsStatus: virtualbox, 4.3.10, 3.13.0-24-generic, x86_64: installed virtualbox, 4.3.10, 3.2.0-61-generic, x86_64: installed EcryptfsInUse: Yes ExtraDebuggingInterest: Yes, if not too technical GraphicsCard: NVIDIA Corporation GT218 [GeForce 210] [10de:0a65] (rev a2) (prog-if 00 [VGA controller]) Subsystem: CardExpert Technology Device [10b0:1401] InstallationDate: Installed on 2010-12-04 (1241 days ago) InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007) MachineType: Gigabyte Technology Co., Ltd. H55M-USB3 ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic root=UUID=8270ae71-32ed-493b-b740-b52a09b3b4c3 ro nomdmonddf nomdmonisw nomdmonddf nomdmonisw SourcePackage: xserver-xorg-video-nouveau UpgradeStatus: Upgraded to trusty on 2014-04-24 (5 days ago) dmi.bios.date: 11/01/2010 dmi.bios.vendor: Award Software International, Inc. dmi.bios.version: F11 dmi.board.name: H55M-USB3 dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.board.version: x.x dmi.chassis.type: 3 dmi.chassis.vendor: Gigabyte Technology Co., Ltd. dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF11:bd11/01/2010:svnGigabyteTechnologyCo.,Ltd.:pnH55M-USB3:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnH55M-USB3:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr: dmi.product.name: H55M-USB3 dmi.sys.vendor: Gigabyte Technology Co., Ltd. version.compiz: compiz 1:0.9.11+14.04.20140423-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.52-1 version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.0-4ubuntu5 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.0-4ubuntu5 version.xserver-xorg-core: xserver-xorg-core 2:1.15.1-0ubuntu2 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2 xserver.bootTime: Tue Apr 29 23:03:06 2014 xserver.configfile: default xserver.devices: input Power Button KEYBOARD, id 6 input Power Button KEYBOARD, id 7 input USB Keyboard KEYBOARD, id 8 input USB Keyboard KEYBOARD, id 9 input ImExPS/2 Logitech Wheel Mouse MOUSE, id 10 xserver.errors: Failed to load module "nvidia" (module does not exist, 0) Failed to load module "nvidia" (module does not exist, 0) xserver.logfile: /var/log/Xorg.0.log xserver.version: 2:1.15.1-0ubuntu2 xserver.video_driver: nouveau To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/1314405/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
