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xen-users
Re: [Xen-users] VGA passthrough - GA-890FXA with ASUS EAH5750 video
On Sun, Nov 21, 2010 at 12:15:44PM -0800, Eric Houby wrote:
> Hello,
>
> I would like to report to the group that I have been successful with VGA
> passthrough using the following configuration:
>
> Gigabyte GA-890FXA-UD5
> ASUS EAH5750 1GB GDDR5 video
> Fedora 13
> XEN 4.0.1
> Windows 7 64 bit HVM guest
>
> Xen was installed per Pasi's Fedora 13 Xen 4.0 Tutorial found here:
>
> [1]http://wiki.xen.org/xenwiki/Fedora13Xen4Tutorial
>
> The tutorial was very helpful and many thanks to Pasi for putting it and
> the RHEL6 tutorial together.
>
Thanks :)
> Initially I could not get VGA passthrough to work, all the VGA passthrough
> procedures I found included putting gfx_passthru=1 in the VM configuration
> file but every time I did this the boot process would hang with a prompt
> at the QEMU console. After several days of trying to figure this out I
> finally hit the magic combination... VGA passthrough worked without
> gfx_passthru=1 configured and the initial passthrough needs to be done
> while the VM is running. I did the passthrough using the xm pci-attach
> command. After doing this I found Windows detected the video card so I
> loaded the video drivers in the VM and rebooted and now it is working
> well. Windows 7 reports the "Windows Experience Index" for Graphic and
> Gaming as 7.3/7.3 and id_perftest with Quake 4 was around 70fps at Ultra
> Quality 1920x1200. I am not much of a gamer but that is plenty fast for
> me!
>
Nice to hear it works!
I should update the wiki page here with your information:
http://wiki.xensource.com/xenwiki/XenVGAPassthroughTestedAdapters
-- Pasi
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