Could you attach /var/log/lightdm/lightdm.log to confirm if lightdm is at fault?
** Changed in: lightdm (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/946116 Title: lightdm fails to bring up X display automatically after boot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/946116/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs