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
> > (you need to disable rc6 on ilk to not hit another issue which seems much
> > easier to hit)
>
> Ilk? If this stands for "Ironlake": I'm on Sandybridge.
>
> > ...
>
> Bisecting will be a pain without being able to reproduce
> the hang reliably.
>
> > Atm we're trying to come up with ways to dump more debug
> > information, >but with no clue whatsoever what's going on that's
> > slow-going.
> Is there anything at the moment I can do to help you to get a grip on
> this problem? My machine is a Core i5-420M laptop with 4GB RAM (Asus
> U45-JC).
i5-420M is not SB, but ILK. i5-2xxx is SB. I have a i5-460M myself.
i915.i915_enable_rc6=0 worked for me, if it does not work for you, then you
probably hit another bug.
Peter
[1]: https://bugs.freedesktop.org/show_bug.cgi?id=55984#c9
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