(In reply to Chris Wilson from comment #5)
> commit 4049adf01014af077df2174def4fadf7cecb066e (HEAD, upstream/master)
> Author: Chris Wilson <chris@chris-wilson.co.uk>
> Date:   Wed Jan 30 16:18:58 2019 +0000
> 
>     i915/gem_cpu_reloc: Do the can-store-dword check at start
>     
>     igt doesn't handle skipping from inside igt_fork very gracefully and
>     crashes instead of reporting the lack of requirements. One solution
>     would be to fix igt, but far easier is to just move the requirement
>     checking around to do it before we even fork.
>     
>     Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109493
>     Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
>     Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

Thanks, it definitely did the trick as it was seen twice every single run
between drmtip_197 and 203, and nothing for 34 runs :)