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Re: [Xen-devel] using amd iommu in xen

That chipset is way too old to support the new IOMMU implementation. You might be getting confused with the AGP GART which is a kind of (much less flexible) IOMMU.

 -- Keir

On 7/4/08 09:09, "Mikhail Savchenko" <savchenko@xxxxxxxxx> wrote:

If I right understand, the latest build of xen support using of amd iommu technology, my test platform Nvidia mcp55 pro chipset based had this technology, but then I running my xen-linux with amd_enable_iommu key in grub menu.lst, I’m getting message AMD IOMMU: Not found! In xen dmesg output. Are there any ways for make iommu on my platform to work?

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