Hmm, that might indicate this was introduced by an Ubuntu SAUCE patch. Can you also test the -proposed kernel:
https://launchpad.net/ubuntu/+source/linux/3.18.0-12.13/+build/6760263 If the bug still exists in proposed, we can bisect between the 3.16 and 3.18 based Ubuntu kernels. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1410940 Title: display driver / video issues in 3.18 (regression from 3.16) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1410940/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs