https://bugs.freedesktop.org/show_bug.cgi?id=59672
--- Comment #7 from Michel Dänzer michel@daenzer.net --- (In reply to comment #5)
I don't think we want to enable fence swapping [...] since we already swap the fence in radeon_fence_read().
Ah, right. Lucas, so it's probably better if you try without FENCE_SWAP_ENABLE first.