FWIW, I have noticed this behavior as well. Confronted with a black screen I ctrl-alt-f1 to a console and then back (actually, I tend to walk back along f2, f3... but that isn't necessary, I'm just weird). This brings back the screen so I think there is just an screen update missing somewhere.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1001908 Title: Login screen doesn't always appear To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-power-manager/+bug/1001908/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs