I can confirm this bug. When I use Ctl+Alt+L or the Menu option, the screen goes to black, and I cannot get it to show the popup login box. Neither mouse or keyboard have an effect. Hard reset is the only solution.
-- Locked screen doesn't allow unlocking https://bugs.launchpad.net/bugs/263852 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs