I get the GPU faults starting with mesa commit

3e163a137be7f9a80ec720903c4bda028de5681f is the first bad commit
commit 3e163a137be7f9a80ec720903c4bda028de5681f
Author: Marek OlÅ¡Ã¡k <maraeo@gmail.com>
Date:   Thu Nov 29 02:55:01 2012 +0100

    gallium/postprocess: share pipe_context and cso_context with the state
tracker

    Using one context instead of two is more efficient and
    we can skip another context flush.

    Reviewed-by: Brian Paul <brianp@vmware.com>