https://bugs.freedesktop.org/show_bug.cgi?id=47201
--- Comment #7 from xbx xavierb@gmail.com --- I stumbled upon this bug while testing and debugging a game using the st/nine.
And I made a tentative fix that works for me. (caveat: I know nothing about mesa/gallium/graphic cards, but hey..)
Here is the proposed patch:
https://github.com/xxxbxxx/Mesa-3D/commit/0722d721f8e5ec496bf8ce4591a3b8a5bf...
or attached.