I'm still seeing this bug, and others commenting below seem to be too, so I'll reopen the bug.
** Changed in: gnome-screensaver (Ubuntu) Status: Fix Released => Confirmed -- screen does not unlock after locking https://launchpad.net/bugs/76632 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs