Re: [PATCH] reverse-engineer safe snb wm0 values

Bobby Bingham
2011-02-06T06:11:57Z

On Fri, 4 Feb 2011 09:12:57 +0000
Chris Wilson <chris@chris-wilson.co.uk> wrote:

> ---
> Hi Bobby,
>
> this is a patch that I am testing, but so far no else one has experienced
> the same symptoms that this fixes on my machines...
>
> It looks like you have won the privilege of being my first victim^W
> tester.
>
> Also in drm-intel-fixes
> (git://git.kernel.org/pub/scm/linux/kernel/git/ickle/drm-intel.git)
> is a patch to invalidate the TLB on the BLT which also may cause hangs,
> but has a different pattern of failure in
> /sys/kernel/debug/dri/0/i915_error_state:
>
> commit 71a77e07d0e33b57d4a50c173e5ce4fabceddbec
> Author: Chris Wilson <chris@chris-wilson.co.uk>
> Date: Wed Feb 2 12:13:49 2011 +0000
>
> drm/i915: Invalidate TLB caches on SNB BLT/BSD rings
>
> I hope one of these brings stability back to your machine...
> -Chris
>

Alas, neither of those patches seems to help.

--
Bobby Bingham
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