Fantastic that it works for you. I'll close the bug, but feel free to reopen if you bump into it again.
** Changed in: xserver-xorg-video-ati (Ubuntu) Status: Needs Info => Fix Released -- 3D screen saver locks up screen, 100% CPU https://launchpad.net/bugs/47447 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs