Comment 89 for bug 1492764

Issue is still occuring in the ubuntu 15.10 insta...

I did as Ljiljan Veselinovic (ljiljan-veselinovic) suggested and installed the intel graphics driver directly from intel at https://01.org/linuxgraphics/downloads and that seems to have fixed the error messages. Videos are smoother and the screen tearing has gone away with 3D graphics.