This work around works for me when the bug hits: Use Ctrl-Alt-F1 to get a text login prompt and login as the same user that you were using with Unity/Gnome. Use top to find the process number of the screensaver process. It will likely be at the top of the list as it will be running 98-100% CPU utilisation. Issue kill -9 on the process. Logout and switch back to your GUI session using Ctrl-Alt-F7.
-- 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
