Ubuntu
xserver-xorg-video-ati package

  1. Bug #108527
  2. Comment #5

Comment 5 for bug 108527

Revision history for this message
Bryce Harrington (bryce) wrote : Re: desktop-effects enabled sometime freeze computer

Can you test if the issues go away when you add the following in your /etc/X11/xorg.conf?

Section "Module"
# Load "dri"
 # Load "glx"
        Disable "dri"
        Disable "glx"
EndSection

Please also attach your /var/log/Xorg.0.log.old file after restarting after experiencing a lockup.