I am not sure that this is a regression in 13.10 though. I remember my friend experienced this in Ubuntu 13.04.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-screensaver in Ubuntu. https://bugs.launchpad.net/bugs/1248286 Title: Screen lock with dual monitor leaves one display still active Status in Unity: New Status in “gnome-screensaver” package in Ubuntu: Confirmed Bug description: Laptop with extra monitor connected via VGA. Lock screen The laptop screen blanks as expected. The second monitor (sometimes) stays active, displaying the normal desktop/applications This is a regression in 13.10 - before then it was always fine Marking as security vulnerability because when I lock screen I don't want other people to see whats on my desktop To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/1248286/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp