Given the following dpkg-query output, I assume I have the new version that you mention:
$ dpkg-query --show xserver-xorg-video-nouveau xserver-xorg-video-nouveau 1:1.0.6-0ubuntu3+spam~quantal2 The following lines appeared on the screen (intermittently, alternating between that and a screen of pixel garbage every 10-15 seconds): [drm] nouveau 0000:01:00.0: GPU lockup - switching to software fbcon (4 seconds pass) [TTM] Failed to expire sync object before buffer eviction [drm] nouveau 0000:01:00.0: fail ttm_validate [drm] nouveau 0000:01:00.0: validate vram_list [drm] nouveau 0000:01:00.0: validate: -12 (1.5 seconds pass) [drm] nouveau 0000:01:00.0: Failed to idle channel 1. (1 second passes) [drm] nouveau 0000:01:00.0: fail ttm_validate [drm] nouveau 0000:01:00.0: validate vram_list [drm] nouveau 0000:01:00.0: validate: -16 (2 seconds pass) [drm] nouveau 0000:01:00.0: PGRAPH idle timed out with status 0x09800001 (2 seconds pass) [drm] nouveau 0000:01:00.0: Failed to idle channel 2. [drm] nouveau 0000:01:00.0: fail ttm_validate [drm] nouveau 0000:01:00.0: validate vram_list [drm] nouveau 0000:01:00.0: validate: -16 (47 seconds pass) [drm] nouveau 0000:01:00.0: Failed to idle channel 1. (3 seconds pass) [drm] nouveau 0000:01:00.0: Failed to idle channel 2. (35 seconds pass) [drm] nouveau 0000:01:00.0: Failed to idle channel 1. (3 seconds pass) [drm] nouveau 0000:01:00.0: Failed to idle channel 2. (45 seconds pass) [drm] nouveau 0000:01:00.0: Failed to idle channel 1. (3 seconds pass) [drm] nouveau 0000:01:00.0: Failed to idle channel 2. (41 seconds pass) [drm] nouveau 0000:01:00.0: Failed to idle channel 1. (3 seconds pass) [drm] nouveau 0000:01:00.0: Failed to idle channel 2. (36 seconds pass) [drm] nouveau 0000:01:00.0: Failed to idle channel 1. (3 seconds pass) [drm] nouveau 0000:01:00.0: Failed to idle channel 2. ... (Errors typed manually; apologies for any typos. Time spans typed manually to avoid transcribing 230 digits.) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1033533 Title: Xorg crashed with SIGABRT: exaMemcpyBox with src=0x0 on nouveau with SW rendering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/1033533/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
