Did you disable gnome-screensaver in any way, including disabling the lock screen functionality?
** Package changed: shadow (Ubuntu) => gnome-screensaver (Ubuntu) ** 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/881147 Title: alt+f7 gain full access to a password protected account To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-screensaver/+bug/881147/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs