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Re: [Xen-devel] Requesting Assistance from Intel Engineers on Intel Inte

To: "Mr. Teo En Ming (Zhang Enming) ????????? of Singapore" <space.time.universe@xxxxxxxxx>
Subject: Re: [Xen-devel] Requesting Assistance from Intel Engineers on Intel Integrated Graphics (IGD) VGA Passthrough for Xen 4.0.1-RELEASE and pv-ops dom0 kernel 2.6.32.x
From: Pasi Kärkkäinen <pasik@xxxxxx>
Date: Sat, 11 Sep 2010 13:21:29 +0300
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Han, Weidong" <weidong.han@xxxxxxxxx>, zhang_enming@xxxxxxxxxxx, "teoenming@xxxxxxxxxxx" <teoenming@xxxxxxxxxxx>
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On Sat, Sep 11, 2010 at 01:57:26PM +0800, "Mr. Teo En Ming (Zhang Enming) 
????????? of Singapore" wrote:
> Dear Intel Engineers,
> I am unable to get Intel integrated graphics (IGD) VGA passthrough to  
> work with Xen 4.0.1-rc6-pre, Xen 4.0.1-RELEASE, pv-ops dom0 kernel  
> and The moment the command "xm create <Windows XP  
> HVM guest>" is executed, the screen immediately goes blank with the  
> label "NO SIGNAL". It may take anywhere from 3-10 minutes before Windows  
> XP Home HVM domU starts booting. The HVM guest will subsequently crash  
> with a BSOD.
> I have posted configuration files, scripts, logs and kernel debug  
> messages in threads in the xen-devel mailing list in August 2010 and  
> September 2010.
> http://lists.xensource.com/archives/html/xen-devel/2010-08/index.html
> http://lists.xensource.com/archives/html/xen-devel/2010-09/index.html
> Please assist.

A couple of questions:

- I assume the IGD is the primary graphics? 
- Do you have other graphics adapters in the same machine? 
- Can you please paste "lspci -vvv" from dom0.
- Also paste your grub.conf for the entry you're using for Xen.

-- Pasi

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