There is a similar bug that is now reported fixed in 4.4.9. When you have a chance, could you test that kernel? It can be downloaded from: http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.4.9-xenial/
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1547619 Title: Intermittent screen blinking with 4k external mini display port with 4.4 kernels To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1547619/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs