The hardware reports a hotplug disconnect for one of your DP monitors, after which userspace responds by switching it off. We don't have much control over the hotplug detection, so I don't think there is much we can do to rectify it other than by manually polling the outputs.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1239186 Title: External screens shut off randomly To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1239186/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs