Simon, the latest mainline kernel (4.5-rc3) was released two days ago. To see if this is already resolved, could you please test this and advise to the results?
** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1507289 Title: 1002:7942 Graphical artifacts shown To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1507289/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs