I dont know, maybe, I cant check now as I installed 15.04 in the mean time, as I didnt find a fix for this issue. Is unity-system-compositor a dependency for some package? I had this issue with 14.04.2 but not with 14.04/14.04.1 LTS.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1459043 Title: Attempting to lock screen sometimes kills whole session To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1459043/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs