On Mon, Jun 14, 2010 at 07:19:17PM -0400, David Woodhouse wrote: > Why not just jump straight to the 'DMA proxy' device, and use that > _only_? Not sure about Intel chipsets, but on AMD chipset a legacy device can be seen by the IOMMU with both device-ids, its own and the bridge device. So the domain needs to be configured for both device-ids in the iommu driver. Joerg -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html