I had the same problem with my Dell Latitude 5470 with Intel i7-6820HQ,
Sky Lake (rev 07), running Ubuntu 15.10 (4.2.0-35-generic). I found a
workaround by disabling Xvideo as suggested by Nikolay over at
freedesktop in the post dated 2016-01-14 19:44:42
(https://bugs.freedesktop.org/show_bug.cgi
I had the same problem with my Dell Latitude 5470 running Ubuntu 15.10
(4.2.0-35-generic). I found a workaround by disabling Xvideo as
suggested by Nikolai in the post dated 2016-01-14 19:44:42 UTC here:
https://bugs.freedesktop.org/show_bug.cgi?id=93461
My /etc/X11/xorg.conf only has the followin
