Comment # 63 on bug 81644 from Michel Dänzer

(In reply to comment #61)
> tl;dr Mesa 10.1.4 is the last version that doesn't cause the problem.

If somebody could bisect that regression between Mesa 10.1 and 10.2, that would
be very helpful. See https://bugs.freedesktop.org/show_bug.cgi?id=79696#c21 for
some hints.