Hi, The current qemu-kvm from the git indeed adds the MSI-x capability to the virtio block device. With MSI-x enabled on the virtio block device, there aren't VIRTIO_PCI_ISR reads on the unused device. Thanks, Saul On Thu, Oct 29, 2009 at 12:10 PM, Avi Kivity <avi@xxxxxxxxxx> wrote: [snip] > > Pick up a new qemu-kvm from git. > -- 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