On Sat, Feb 25, 2017 at 09:19:59PM +0000, Chris Wilson wrote:
> Only if we allocated the layer and the lower level failed should we
> remove this layer when unwinding. Otherwise we ignore the overlapping
> entries by overwritting the old layer with scratch.
>
> Fixes: c5d092a4293f ("drm/i915: Remove bitmap tracking for used-pml4")
> Fixes: e2b763caa6eb ("drm/i915: Remove bitmap tracking for used-pdpes")
> Reported-by: Matthew Auld <matthew.william.auld@xxxxxxxxx>
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=99948
Seems like it got further, but still hits the same bug_on.
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
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