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

[Pasi Kärkkäinen <pasik@xxxxxx>]

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


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