Me and a colleague also experience this exact behavior. It happens a lot more then 10 times a day here. There is a pattern with mouse movement (leaving screen) but it is not clearly reproducible. It seems like the display port signal is completely lost rather than the image itself turning black, as the monitor is also closing the OSD if it is opened.
Our Setup here is: Lenovo x230 with two external Screens connected via Display Port under Kubuntu 16.04. I don't know how to extract the list of software information like the reporter did... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1587749 Title: random 1-2s black screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1587749/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
