Re: PCI-Passthrough for Graphics card

[Kai Meyer <kai@unixlords.com>]

Amit Shah wrote:
> * 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.
> --
I looked in to the Xen solution, and their method requires a driver on 
the back end (the host) and the front end (the guest) that support the 
pci pass-through function. So for a windows guest, it didn't work.

-Kai Meyer