I've also just installed the latest fglrx driver update that appeared. It did nothing for my problems. Still causes an instant hang when I reboot or shutdown, and still causes a hang if I log out twice. Uninstalling the fglrx driver and returning to the ati driver removes the problem.
-- Lockup problems with both the free xorg ATI driver and the proprietary fglrx driver, using various ATI cards https://launchpad.net/bugs/30447 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
