I have the same problem.. The display becomes white and the only workaround is to kill the screensaver process.
Happens a lot when I log out or switch to another user. -- Screensaver causes display freeze https://bugs.launchpad.net/bugs/230931 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-screensaver in ubuntu. -- desktop-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
