I assume that the fix is not published yet, but just wanted to write about the situation where this problem occurred in my installation,.
After locking Thunderbird to the Launcher and having a notification about new emails (an ellipse with a number) over the Thunder icon, the lock screen seems to show the unresponsive Launcher. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/886605 Title: Desktop, Launcher and menu bar still visible when screen locked To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/886605/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
