Re: [Xen-users] Result of Applying IGD VGA Passthrough Patches to Xen 4.4-unstable Changeset 27238

["Singapore Citizen Mr. Teo En Ming (Zhang Enming)" <singapore.mr.teo.en.ming@xxxxxxxxx>]

On 16/07/2013 15:24, Pasi Kärkkäinen wrote:
> On Tue, Jul 16, 2013 at 12:31:28PM +0800, Singapore Citizen Mr. Teo En Ming 
> (Zhang Enming) wrote:
> > Hi,
> >
> > I have just applied IGD VGA Passthrough patches to Xen 4.4-unstable
> > changeset 27238. Please refer to the 2 attached patches.
> >
> > 1. [Xen-devel] [PATCH 2/3] V4 qemu-xen-trad: Correctly expose PCH
> > ISA bridge for IGD passthrough
> > Link: http://lists.xenproject.org/archives/html/xen-devel/2013-06/msg01720.html
> >
> > 2. [Xen-devel] [PATCH 3/3] qemu-xen-trad: IGD passthrough: Expose
> > vendor specific pci cap on host bridge.
> > Link: http://lists.xenproject.org/archives/html/xen-devel/2013-02/msg00538.html
> >
> > These are the steps I took to patch, compile and install Xen
> > 4.4-unstable changeset 27238.
> >
> > cd
> > hg clone -r 27238 http://xenbits.xensource.com/xen-unstable.hg
> > xen-unstable.hg-cs27238
> > cd xen-unstable.hg-cs27238
> > sudo -s
> > ./configure
> > make world
> > make clean
> > cd tools/qemu-xen-traditional-dir-remote
> > patch -p1 < patch2of3.txt
> > patch -p1 < patch3of3.txt
> > cd ../..
> > make world
> > make install
> >
> > However, I still encountered problems installing Intel HD Graphics
> > display drivers. The driver installation would auto detect the
> > display adapter, causing the LCD monitor to blink 1-2 times. But
> > after that, the LCD monitor goes into Power Saving mode (blank
> > screen) forever again. I tried to destroy the Windows 8 HVM domU and
> > restart it. Windows 8 HVM domU would start up for a few seconds,
> > then falls back to blank LCD monitor screen forever again.
> Did you try installing the driver *before* enabling IGD passthru? (if that's 
> possible)
>
> -- Pasi
It's not possible. The Intel HD Graphics display driver does not allow 
me to install the graphics driver without the existence of Intel HD 
Graphics 4600 IGD.
Is there any other workaround?

--
Yours sincerely,

Singapore Citizen Mr. Teo En Ming (Zhang Enming)


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