Re: i915 freakout with latest 3.7 git

[Daniel Vetter]

On Tue, Dec 4, 2012 at 9:41 PM, Lekensteyn <lekensteyn@xxxxxxxxx> wrote:
> On Tuesday 04 December 2012 13:35:22 Heinz Diehl wrote:
>> Btw: which kernel is known to be the "last good one"?
> As mentioned in the linked bug [1], I bisected it to:
>
> commit 504c7267a1e84b157cbd7e9c1b805e1bc0c2c846
> Author: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Date:   Thu Aug 23 13:12:52 2012 +0100
>
>     drm/i915: Use cpu relocations if the object is in the GTT but not mappable

Iirc your issue goes away with rc6=0, the residual bugs we still have
all still happen with rc6 disable, so probably something else. Hence
also why we're asking everyone who can still reproduce to try a
bisect, since with rc6 disabled we've can't reproduce the hang any
more (beforehand we could reproduce it on 3 different ilk machines).
The important part is to not enable rc6 (on ironlake at least) when
bisecting.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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