Ubuntu
xserver-xorg-video-nouveau package

  1. Bug #994306
  2. Comment #10

Comment 10 for bug 994306

Revision history for this message
Chad Miller (cmiller) wrote :

I see this with 7900 GS.

 [drm] nouveau 0000:01:00.0: fail pre-validate sync
 [drm] nouveau 0000:01:00.0: validate vram_list
 [drm] nouveau 0000:01:00.0: validate: -16

I think "hang" is too strong a word for this problem. The mouse pointer is still active, which may matter quite a lot in debugging this. A hang where the entire display is frozen, pointer included, is more dire.