gnome-shell does not use gnome-screensaver, it has its own builtin lockscreen (provided you are also using gdm)
Also Screen Lock is activated via <super>+L these days -- 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/1389650 Title: Lock screen not working with Gnome 3 (gnome-shell) and Ubuntu 14.10 Status in gnome-screensaver package in Ubuntu: Confirmed Status in gnome-shell package in Ubuntu: Confirmed Bug description: Ctrl+Alt+L fails to lock the screen in the default setup of Ubuntu 14.10 + Gnome 3 (gnome shell). All packages are up to date and I verified that Ctrl+Alt+L is indeed the shortcut to lock the screen. What helped was adding gnome-screensaver to the startup programs (was installed but wasn't started by default) as mentioned here: http://askubuntu.com/a/542391 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-screensaver/+bug/1389650/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
