Updated to 13.04 final today. After rebooting and logging in for the first time, it took 12 minutes for this bug to occur, requiring a hard reboot. Not good.
Heres the relevant bit of the xorg.conf file: (EE) [mi] EQ overflowing. Additional events will be discarded until existing events are processed. (EE) (EE) Backtrace: (EE) 0: /usr/bin/X (xorg_backtrace+0x36) [0x7f90734fc476] (EE) 1: /usr/bin/X (mieqEnqueue+0x26b) [0x7f90734dd78b] (EE) 2: /usr/bin/X (0x7f907334c000+0x6d472) [0x7f90733b9472] (EE) 3: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f906bf3e000+0x5f44) [0x7f906bf43f44] (EE) 4: /usr/bin/X (0x7f907334c000+0x96927) [0x7f90733e2927] (EE) 5: /usr/bin/X (0x7f907334c000+0xc0328) [0x7f907340c328] (EE) 6: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f907244f000+0xfbd0) [0x7f907245ebd0] (EE) 7: (vdso) (0x7fff529fe000+0x70c) [0x7fff529fe70c] (EE) 8: (vdso) (__vdso_gettimeofday+0x161) [0x7fff529fed01] (EE) 9: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so (0x7f906c5d5000+0xf25fe) [0x7f906c6c75fe] (EE) 10: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so (0x7f906c5d5000+0x811b5) [0x7f906c6561b5] (EE) 11: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so (0x7f906c5d5000+0xd33cf) [0x7f906c6a83cf] (EE) 12: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so (0x7f906c5d5000+0xce440) [0x7f906c6a3440] (EE) 13: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so (0x7f906c5d5000+0xceb70) [0x7f906c6a3b70] (EE) 14: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so (0x7f906c5d5000+0x80ebb) [0x7f906c655ebb] (EE) 15: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so (0x7f906c5d5000+0xf657b) [0x7f906c6cb57b] (EE) 16: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so (0x7f906c5d5000+0x544cad) [0x7f906cb19cad] (EE) 17: /usr/bin/X (0x7f907334c000+0x137bd0) [0x7f9073483bd0] (EE) 18: /usr/bin/X (ValidateGC+0x24) [0x7f90733b72c4] (EE) 19: /usr/bin/X (miCompositeRects+0x19a) [0x7f907347708a] (EE) 20: /usr/bin/X (0x7f907334c000+0x132c95) [0x7f907347ec95] (EE) 21: /usr/bin/X (0x7f907334c000+0x58ac1) [0x7f90733a4ac1] (EE) 22: /usr/bin/X (0x7f907334c000+0x4757a) [0x7f907339357a] (EE) 23: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5) [0x7f907109cea5] (EE) 24: /usr/bin/X (0x7f907334c000+0x478c1) [0x7f90733938c1] (EE) (EE) [mi] These backtraces from mieqEnqueue may point to a culprit higher up the stack. (EE) [mi] mieq is *NOT* the cause. It is a victim. [ 1544.893] (EE) NVIDIA(0): Failed to initialize DMA. [ 1544.893] (EE) NVIDIA(0): *** Aborting *** [ 1544.893] (EE) NVIDIA(0): Error recovery failed. [ 1544.893] (EE) NVIDIA(0): *** Aborting *** [ 1544.893] Fatal server error: [ 1544.893] Failed to recover from error! [ 1544.893] [ 1544.893] (EE) Please consult the The X.Org Foundation support at http://wiki.x.org for help. [ 1544.893] (EE) Please also check the log file at "/var/log/Xorg.0.log" for additional information. [ 1544.893] (EE) [ 1544.894] [mi] Increasing EQ size to 512 to prevent dropped events. [ 1544.894] [mi] EQ processing has resumed after 57 dropped events. [ 1544.894] [mi] This may be caused my a misbehaving driver monopolizing the server's resources. [ 1544.894] (II) evdev: Power Button: Close [ 1544.895] (II) UnloadModule: "evdev" [ 1544.895] (II) evdev: Power Button: Close [ 1544.895] (II) UnloadModule: "evdev" [ 1544.897] (II) evdev: USB Optical Mouse: Close [ 1544.897] (II) UnloadModule: "evdev" [ 1544.897] (II) evdev: UVC Camera (046d:080a): Close [ 1544.897] (II) UnloadModule: "evdev" [ 1544.897] (II) evdev: AT Translated Set 2 keyboard: Close [ 1544.897] (II) UnloadModule: "evdev" [ 1547.897] (WW) NVIDIA(0): WAIT (2, 6, 0x8000, 0xdffe2000, 0x00000014) -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to nvidia-graphics-drivers in Ubuntu. https://bugs.launchpad.net/bugs/1077616 Title: 10de:0ca3 (EE) [mi] EQ overflowing. Additional events will be discarded until existing events are processed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers/+bug/1077616/+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