https://bugs.freedesktop.org/show_bug.cgi?id=92923
--- Comment #12 from Nicolai Hähnle nhaehnle@gmail.com --- Created attachment 120987 --> https://bugs.freedesktop.org/attachment.cgi?id=120987&action=edit always add GTT to buffers' initial domain
How much VRAM do you have? Try running the game with GALLIUM_HUD=num-bytes-moved, with and without the attached patch.