For this symptomatic there is an upstream bug report with status RESOLVED FIXED: - Dual monitor - Flickering or black screen when mouse moved between screens
https://bugs.freedesktop.org/show_bug.cgi?id=89055#c62 Date: 2016-05-13 Upstream target kernel version: 4.8. Maybe this can be backported? ** Bug watch added: freedesktop.org Bugzilla #89055 https://bugs.freedesktop.org/show_bug.cgi?id=89055 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1553503 Title: multi monitors - black flashes or black screen when the mouse cursor leaves a monitor To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1553503/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
