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Re: [Xen-users] PCI Passthrough

Hello David,

I have created a guide using Debian that can successfully reproduce VGA Passthrough with AMD Radeon cards, in particular I have used an AMD Radeon 6870.

If you are more familiar with Fedora, I'm sure you can translate any Debain specific actions to Fedora equivalents.

I also posted a video walk-through:

As for your current configuration, what version of Xen (4.0, 4.1.2, 4.2?), can you share your HVM Configuration, and are you getting any errors in your Xen log files or just inside of Windows?

On Sat, Sep 29, 2012 at 11:10 AM, David Escott <david.escott@xxxxxxxxxxxxxxxx> wrote:
I've been playing around with doing PCI passthrough of Radeon cards
and have had some success.

Under Fedora 17 (stock everything) I was able to passthrough an older
RADEON 2600XT to a Windows7 domU.
However when I try the same with a new RADEON 7850 I get a "not enough
resources" error from the Windows guest.

I'm not sure what the next steps are, it seems from blog postings and
howtos that people are just trying things at random, and I don't
understand what the debugging process is.

Any advice on what the next steps are? Should I move to an OS that
will have a newer XEN or is there some configuration file I should be


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