Comment # 14 on bug 79696 from Clemens Fruhwirth

(In reply to comment #13)

> Kernel 3.15 is indeed unstable on Cape Verde. We know where the problem is.
> If kernel 3.14 doesn't hang the GPU for you, it's the same problem.

That doesn't correlate well with my testing:

3.14.x + 10.1.4 = stable
3.15.x + 10.1.4 = stable
3.14.x + 10.2.1 = unstable
3.15.x + 10.2.1 = unstable

I assume that it's something different :/