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

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:

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.



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.


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