Re: [Xen-users] [Xen-devel] Intel HD Graphics 4600 Xen VGA Passthrough to Windows 7 Ultimate HVM domU

[Gordan Bobic <gordan@xxxxxxxxxx>]

On Wed, 24 Jul 2013 20:17:13 +0800, "G.R." 
<firemeteor@xxxxxxxxxxxxxxxxxxxxx> wrote:
> On Wed, Jul 24, 2013 at 4:59 PM, Pasi KÃrkkÃinen <pasik@xxxxxx> 
> wrote:
> > 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.
> In my case, 2048MB works for IGD4000.
> What I'm aware is that guest memory > 3GB is known to not working.
Which was supposed-to-be-but-isn't fixed in 4.3.0, as far
as my testing shows. Except I see the problem with > 2GB,
rather than > 3GB, so it may be the same bug or it could
be a different bug with similar symptoms.

Gordan

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