Similar issue where screensaver hangs machine when running for a while. 11.04 with INTEL GMA4500 chipset. Some screensavers also seem sluggish as mentioned by others. CTRL+ALT+BACKSPACE to restart X solves the problem, but a bit drastic as a sustainable fix :-)
-- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-screensaver in Ubuntu. https://bugs.launchpad.net/bugs/762918 Title: Natty Screensaver freezes system after some period of inactivity -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs