I confirm that this happened to me as well, at least twice. When it happens rebooting removes the problem. I don't have any clue about special reasons for this to happens, it looks totally random, and I don't use graphic screen savers, only lock screen. I'm running version 10.04.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/556255 Title: unlock screen -dialog comes up twice -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs