(In reply to comment #52)
> I can run youtube for a while, but now Chromium seems to crash it more often
> in general. Been running for a few days, have had at least 4 crashes. All with
> about the same fail logs as before.

Your Youtube / Chromium issue is probably separate and should be tracked
somewhere else. This report is about a stability regression in 3.15/6-rc
kernels, which seems to be addressed by Christian's fixes.