I can't confirm if this is a bug as I didn't upgrade from Karmic. I did a fresh install instead. Have you tried reinstalling the screensaver in Synaptic?
-- Whenever the computer goes to sleep, hibernate, or any other screensaver activating action, the computer frozes on a black screen. https://bugs.launchpad.net/bugs/550132 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs