I think it has to do with the gnome-control-panel... For some reason when it comes back after "turn off" it keeps the back light set to 0... But it does not do it with suspend where it restores the screen properly.
** Also affects: gnome-control-center Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/861072 Title: Display won't come back after Suspend To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-control-center/+bug/861072/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs