Re: [Xen-users] Which kernel for Dual GPU Passthrough?

Todd Deshane
Thu, 04 Aug 2011 16:44:49 -0000

On Thu, Aug 4, 2011 at 1:22 AM, Matthew Hook <matthew.hook@otoy.com>
wrote:
> I''m a little new when it comes to XEN so forgive me if this
question sounds
> a little basic.
> I''m setting up an Ubuntu Server with Dual AMD HD 6970 GPU cards in
it and I
> need the passthrough feature to work with both of these cards.
> The processor is an AMD Phenom II X6 1090T and the motherboard supports
> IOMMU.
> Hardware wise, all the right boxes are ticked for this as far as I can
tell.
> Now I''m just a little uncertain about the choice of kernel.
> There is a kernel option: CONFIG_XEN_PCIDEV_BACKEND
> But this module doesn''t appear to be in my stock kernel (or even
Kernel 3.0)
> despite the announcement that all the XEN bits are in it?

"Features queued for 3.1:
xen-pciback backend driver to be used in dom0 to support PCI passthru to
VMs."

You can track the progress here:
http://wiki.xensource.com/xenwiki/XenParavirtOps
http://wiki.xensource.com/xenwiki/Linux_30_bugs
http://wiki.xensource.com/xenwiki/XenKernelFeatures

--
Todd Deshane
http://www.linkedin.com/in/deshantm
http://www.xen.org/products/cloudxen.html
http://runningxen.com/

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