This page has comments on how to install the latest kernel, with words about others having the same problems:
http://ubuntuguide.net/ubuntu-11-04-upgrade-linux-kernel-to-2-6-39-0 -- 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 [email protected] https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
