From mboxrd@z Thu Jan  1 00:00:00 1970
From: Pasi =?iso-8859-1?Q?K=E4rkk=E4inen?= <pasik@iki.fi>
Subject: Re: Intel HD Graphics 4600 Xen VGA Passthrough to
 Windows 7 Ultimate HVM domU
Date: Wed, 24 Jul 2013 11:59:16 +0300
Message-ID: <20130724085916.GV2924@reaktio.net>
References: <51EA5E74.9070900@gmail.com>
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To: "Singapore Citizen Mr. Teo En Ming (Zhang Enming)" <singapore.mr.teo.en.ming@gmail.com>
Cc: "xen-users@lists.xen.org" <xen-users@lists.xen.org>, "xen-devel@lists.xen.org" <xen-devel@lists.xen.org>
List-Id: xen-devel@lists.xenproject.org

On Sat, Jul 20, 2013 at 05:55:00PM +0800, Singapore Citizen Mr. Teo En Ming (Zhang Enming) wrote:
> Hi,
> 
> I have just compiled and installed Xen 4.4-unstable changeset 27262
> and Linux kernel 3.11.0-rc1. My Windows 7 Ultimate HVM domU
> configuration file is as attached.
> 
> I tried to passthrough the onboard Intel HD Graphics 4600 IGD to
> Windows 7 Ultimate HVM domU.
> 

<snip>

> device_model_version="qemu-xen-traditional"
> name="Windows7"
> builder="hvm"
> vcpus=4
> memory=2048
>

There was another report that >= 2GB of RAM with GPU passthru doesn't work,
so please try with 1GB of RAM for the HVM guest. 

Also I think there is another PCI passthru related issue in Xen 4.4 at the moment,
so you probably should try using Xen 4.3.0 or wait for a couple of weeks for the 4.4 issue to get sorted out.

-- Pasi