I have 2 monitors as well and having the same issue. My difference is I cannot unlock it since I only shows the bar on the top of the screen with the clock. The mouse works but it is very laggy.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/848562 Title: gnome-shell lock screen does not display password prompt To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-screensaver/+bug/848562/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs