[Bug 76554] [gm45 regression] [drm:init_ring_common]: *ERROR* render ring initialization failed

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=76554

--- Comment #67 from Martin Fahr <maf at gmx.eu> ---
A change somewhere in between 3.14 and 3.15 makes me hit this bug *almost*
reliably. Bisecting it took me half a day and ended up pointing at commit
[78f2975eec9faff353a6194e854d3d39907bab68 drm/i915]: Move all ring resets
before setting the HWS page. As the title is the same as a patch posted here
earlier, I suppose it is the exact same patch? It seems like what was meant to
be a solution to the problem, actually makes it much worse (and maybe helps to
find the root cause of it). 

If there's anything else I can do, just let me know.

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