Do you have an AGP system? If so, does it help if you try some different AGPMode values? (1,2,4,8) Please check https://wiki.ubuntu.com/X/Quirks#ATI%20AGP%20Mode%20Quirk and report back if it helps.
Also, if you can, please check if you can reproduce this on Ubuntu Karmic. LiveCD's of the alpha-3 release are available from http://cdimages.ubuntu.com/ ** Changed in: xserver-xorg-video-ati (Ubuntu) Status: Confirmed => Incomplete -- [X2300] Mouse corruption, then X freeze https://bugs.launchpad.net/bugs/374008 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
