For clarification, I can switch to consoles just fine and shutdown or reboot from there, but rebooting, shutting down, or logging out from the GUI is almost guaranteed to lockup.
-- Lockup problems with both the free xorg ATI driver and the proprietary fglrx driver, using various ATI cards https://launchpad.net/bugs/30447 -- kubuntu-bugs mailing list kubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs
