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Date: Tue, 4 Dec 2012 22:08:45 +0100
From: Heinz Diehl <htd@fritha.org>
To: Lekensteyn <lekensteyn@gmail.com>
Cc: dri-devel@lists.freedesktop.org, Daniel Vetter <daniel@ffwll.ch>,
        intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org,
        Heinz Diehl <htd@fancy-poultry.org>
Subject: Re: i915 freakout with latest 3.7 git
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On 04.12.2012, Lekensteyn wrote: 

> As mentioned in the linked bug [1], I bisected it to:
> 
> commit 504c7267a1e84b157cbd7e9c1b805e1bc0c2c846
> Author: Chris Wilson <chris@chris-wilson.co.uk>
> Date:   Thu Aug 23 13:12:52 2012 +0100
> 
>     drm/i915: Use cpu relocations if the object is in the GTT but not mappable

Ok, but in comment 11 in the same thread you mention that reverting
this patch didn't fix the issue for you:

"Reverting that commit on top of 3.7-rc4 did not fix the hang issue."

> i5-420M is not SB, but ILK. i5-2xxx is SB. I have a i5-460M myself. 

Yes, you're right, my bad! Don't know what I was thinking as I wrote that. I
don't have any i5-420M either, but an i5-450M. It was clearly not my
day..

[htd@wildsau ~]$ cat /proc/cpuinfo | grep model
model	     	 : 37
model name	 : Intel(R) Core(TM) i5 CPU       M 450  @ 2.40GHz
[....]

> i915.i915_enable_rc6=0 worked for me, if it does not work for you, then you 
> probably hit another bug.

I have now i915.i915_enable_rc6=0 in grub.cfg and disabled the XFCE
compositor. Now I'm trying to hit the bug again...

Heinz