I pushed a slightly modified version of this:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=432a798cf5c7fab18a3e32d4073840df7d0d37cb
Thanks for the patch! I hope this will resolve some weird crashes
people have seen with various buffers being null unexpectedly.
On Sun, Dec 6, 2015 at 4:11
Always reset the vertex bufctx to make sure there's no pointer to
an already freed pipe_resource left after unbinding buffers.
Fixes use after free crash in nvc0_bufctx_fence().
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=93004
Signed-off-by: Patrick Rudolph
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