So after all nobody reported this to bugs.freedesktop.org? I also guess there is few different issues in this bugreport, so I think it's good idea to fill separate bugreport on bugs.freedesktop.org if you have very different symptoms.
How to fill bugreport to bugs.freedesktop.org: https://01.org/linuxgraphics/documentation/how-report-bugs drm-tip kernel is here: http://kernel.ubuntu.com/~kernel-ppa/mainline/drm-tip/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1278223 Title: Mouse Flickering after adding 3rd Monitor To manage notifications about this bug go to: https://bugs.launchpad.net/xorg-server/+bug/1278223/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
