On Fri, Nov 01, 2013 at 05:35:38PM +0100, Max Schettler wrote: > I fixed this issue in the meanwhile by switching to another Mainboard, > so I guess it was at least somehow associated with the Hardware. > > The first Setup was this one: > AMD FX-8350 > Gigabyte 970A-UD3 > Gigabyte 7870GHz Edition > Sapphire 6450 > > I switched to an Asrock 990FX Extreme3. Hmm, in this case it might also have been a BIOS issue. The Gigabyte BIOS might have configured the IOMMU in a wrong way causing those errors. Have you tried with the latest BIOS on the Gigabyte Mainboard? 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