Actually, a little more searching found this bug, which is a duplicate - but does identify the problem as one with gnome-screensaver and discusses some work arounds and possibilities of fixing.
https://bugs.launchpad.net/ubuntu/+source/gnome-screensaver/+bug/93466
Actually, a little more searching found this bug, which is a duplicate - but does identify the problem as one with gnome-screensaver and discusses some work arounds and possibilities of fixing.
https:/ /bugs.launchpad .net/ubuntu/ +source/ gnome-screensav er/+bug/ 93466