https://bugzilla.kernel.org/show_bug.cgi?id=78221
--- Comment #9 from t3st3r@mail.ru --- Hmm, this patch does not applies cleanly to 3.16-rc1 or -rc2, mostly having bunch of conflicts in radeon_vm.c, which are a bit over my head to resolve at this point. Which version of kernel I'm supposed to try?