I have the same issue with the propietary ATI driver on Fedora 16. I created a bug report for ATI here:
http://ati.cchtml.com/show_bug.cgi?id=530 If you think its the same issue, feel free to add all of the relevant information at the ATI report. ** Bug watch added: ATi Linux Platform Bugs #530 http://ati.cchtml.com/show_bug.cgi?id=530 -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to fglrx-installer in Ubuntu. https://bugs.launchpad.net/bugs/987153 Title: Xorg freeze To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/fglrx-installer/+bug/987153/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp