On 12/19/2012 03:07 AM, Gangadahr Jena wrote: Have you considered taking advantage of your Red Hat subscription and opening a support ticket with them? It sounds like there is something in your domain XML that is unsupported by the particular qemu version you are targetting, but without seeing the domain XML (virsh dumpxml $dom) or knowing the details about libvirt and qemu versions (Red Hat 6 is rather vague), it's hard to give you more specific help. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org