https://bugs.freedesktop.org/show_bug.cgi?id=83436
--- Comment #31 from smoki smoki00790@gmail.com --- As i mentioned on your Phoronix thread, after much and further testing i am pretty sure now that generic make those random lockups on 64bit :)
Don't use Chromium but those people from bug 81644 should try non generic tuned build :)