I'm not sure why it got uninstalled, but on a new installation, yeah, it should be there.
It's not a required dependency because there are multiple desktop environments and not all of them use gnome-screensaver. I'm closing this bug. Thanks! ** Changed in: gnome-screensaver (Ubuntu) Status: Incomplete => Invalid -- 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/950005 Title: screen doesn't lock when pressing ctrl+alt+l or using action from system menu Status in “gnome-screensaver” package in Ubuntu: Invalid Bug description: On Ubuntu precise with all current updates, locking the screen does not work. If I press the lock key combination ctrl+alt+l or use the system menu action "Lock Screen" then nothing happens. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-screensaver/+bug/950005/+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