(In reply to Daniel Scharrer from comment #7)
> Here is one with VM faults from starting The Talos Principle Public Test,
> just up to the main menu:
> 
> http://constexpr.org/tmp/Talos_Demo.trace (149 MiB)

Thanks. The VM faults generated by this apitrace turned out to be a Mesa
regression. I bisected it:

5e0fbe1b631d883eb0e033938a534a259c8d95fd is the first bad commit
commit 5e0fbe1b631d883eb0e033938a534a259c8d95fd
Author: Marek Olšák <marek.olsak@amd.com>
Date:   Sat Oct 4 20:41:03 2014 +0200

    radeonsi: remove vs.ucps_enabled from the shader key

    Written CLIPDIST outputs are simply disabled in PA_CL_VS_OUT_CNTL.