On Thu, Dec 24, 2015 at 06:54:44PM -0500, Robert Hooker wrote: > The 3.19 distro kernel in ubuntu is using 4.2-ish drm backported on broadwell, > try http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.19.8-ckt12-vivid/ > instead which is stock upstream. tried, lockup as well.. -- Lukáš Hejtmánek