Ubuntu
xserver-xorg-video-ati package

  1. Bug #108527
  2. Comment #19

Comment 19 for bug 108527

Revision history for this message
Michael Roy (mikemlp) wrote : Re: X freezes when compiz is enabled on ATI cards

I am also experiencing freezes. See http://ubuntuforums.org/showthread.php?p=3508187#post3508187
Some users have reported that their mouse cursor still moves. Mine does not, so my symptoms appear to be slightly different. Uptime when using compiz ranges from 1 minute to 23 hours. Uptime appears to be unlimited when I use metacity only. I have been using Compiz / Beryl / Fusion for over a year, and have only experienced freezes like this in Gutsy. Will try the steps here: https://wiki.ubuntu.com/DebuggingXorg and report back.

Unlike the OP, I do not experience any of the further bugs, such as not being able to minimize windows. Additionally, I have noticed this bug in Tribe 5. I moved back to Feisty for a while, and found the same bug present in 7.10 Beta.

Limited Specs:
IBM Thinkpad T42
ATI Mobility 9600
AIGLX on Free ATI driver

Please let me know what I can do to help debug.