Seems like it is fixed now, in the unity package: $ sudo apt-cache policy unity unity: Installert: 7.2.2+14.04.20140714-0ubuntu1.1
See changelog: https://launchpad.net/ubuntu/+source/unity/7.2.2+14.04.20140714-0ubuntu1.1 And the associated bug: https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1349128 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1305586 Title: Lock screen is unusable when some windows have a keyboard/mouse grab To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1305586/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs