https://bugs.freedesktop.org/show_bug.cgi?id=89059
--- Comment #3 from Michel Dänzer michel@daenzer.net --- (In reply to Jarkko K from comment #0)
I got oibaf ppa. They started to use LLVM 3.6 compiler around that time I started to have unstable dota.
Was the LLVM version the only thing which changed in between, or also the version of the kernel and/or Mesa? If the latter, can you try isolating which component caused the problem?
Please attach the actual dmesg output corresponding to the problem.