Has it anything to do with this one? https://bugs.launchpad.net/ubuntu/+source/indicator-session/+bug/549632
-- blank screen after log out if other user is logged in. https://bugs.launchpad.net/bugs/578139 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs