Re: PCI-Passthrough for Graphics card

[Amit Shah <amit.shah@redhat.com>]

* On Thursday 13 Nov 2008 00:46:55 Kai Meyer wrote:
> When I heard that kvm had pci-passthrough working for network cards, I
> thought I'd make an attempt to get my nVidia 8600GT video card to work
> in a Windows VM (thus satisfying my desire to quit dual booting, so I
> can play my stinking games.)
>
> I'm having trouble interpreting my results so far. In windows, I get a
> Code 10 error, which if I read it correctly, means "There was an error,
> but I don't know what it is." To sum it up, nVidia has this to say:
> http://www.nvidia.com/object/IO_13957.html
>
> With a fedora 10 i386 guest, any time a driver tries to touch the
> device, the cpu grinds, and the only thing that responds is moving the
> mouse around (and highlighting stuff.)
>
> I'd like to contribute what I can, but I'll admit my programming is
> still at a pre-graduate level.

As I mentioned in my private email exchange, you'll have to look at the way 
the host BIOS is accessed by the drivers as well as the video BIOS.

There was talk of such support on Xen as well, you can search for that if 
they've already done it.

Amit.