New drivers have not fixed the lockup here. Installed the new (ATI commercial) driver last night; problem still existed.
Reinstalled the Ubuntu driver this morning, problem still exists. David -- 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