DRM range manger test failures

[Chris Wilson]

On Tue, Jan 10, 2017 at 01:41:54PM +0100, Geert Uytterhoeven wrote:
> Hi Chris, Laurent,
> 
> On R-Car Gen2 (Koelsch) and Gen3 (Salvator-X), the new DRM range
> manager selftests fail with:
> 
>     drm_mm: Testing DRM range manger (struct drm_mm), with
> random_seed=0x83a9b910 max_iterations=8192 max_prime=128
>     drm_mm: igt_sanitycheck - ok!
>     drm_mm: node has wrong color, found 0, expected 1
>     drm_mm: default insert failed, size 1 step 1
> 
> I have no idea what this means.

The existing code has bugs. We got as far as applying the testcases to
demonstrate the bugs, the actual fix is still queued.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre