As far as I can see the lockscreen is the responsibility of the 'unity' package as of 14.04.
Not sure what the etiquette of changing this is, but I'm not sure it makes sense to make a new report. ** Package changed: gnome-screensaver (Ubuntu) => unity (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1291359 Title: multiscreen spanning wallpaper does not span on lock screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1291359/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs