linux-kernel - Re: [regression] [drm:i915_gem_execbuffer] *ERROR* Execbuf while wedged

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Date:	Sun, 15 Nov 2009 11:17:33 +0100
From:	Michael <schnitzelkuchen@...glemail.com>
To:	David Woodhouse <david.woodhouse@...el.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Wang, Zhenyu Z" <zhenyu.z.wang@...el.com>
Subject: Re: [regression] [drm:i915_gem_execbuffer] *ERROR* Execbuf while wedged

Am Sonntag 15 November 2009 10:55:48 schrieb David Woodhouse:
> On Sun, 2009-11-15 at 01:48 -0800, Michael wrote:
> > I tried 2.6.32-rc6 with my Dell Inspiron 1525, but the KDM didnt
> > display right - It was mostly black with only the cursor displayed.
> > Other things which use X dont work with the kernel, too.
> 
> Interesting. Do you actually have an IOMMU, and is it enabled?
> 

Well, my CPU is a "Intel(R) Core(TM)2 Duo CPU     T5750  @ 2.00GHz", which 
doesnt even have Intel VT, so i guess i dont have an IOMMU.

My .config for the test kernel says the following:

brotscheibe linux-2.6 # grep IOMM .config
CONFIG_GART_IOMMU=y
# CONFIG_CALGARY_IOMMU is not set
# CONFIG_AMD_IOMMU is not set
CONFIG_IOMMU_HELPER=y
CONFIG_IOMMU_API=y
# CONFIG_IOMMU_DEBUG is not set
# CONFIG_IOMMU_STRESS is not set


I hope that helps,
Michael
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