I think this was a compiz layering bug that got fixed. Are you still able to reproduce this on an up-to-date natty?
** Changed in: gnome-screensaver (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/712103 Title: unlocking dialog doesn't show -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs