So.. I remove xscreensaver and install again gnome-screensaver and it works without crash.... very strange, but that's ok....
-- [gutsy] System crash exiting screensaver https://bugs.launchpad.net/bugs/178294 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is a bug contact for gnome-screensaver in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs