I've also tried xset dpms force off and left there for 1 hour. no freeze. Is it possible that gnome-power manager uses another method?
-- [GM45] system frozen after a period of inactivity https://bugs.launchpad.net/bugs/383973 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-power-manager in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs