On 04/22/2013 08:32 PM, yue wrote:

hi,all: if xml configuration is not right? <cpu match="exact"> <model>Nehalem</model> <topology cores="1" sockets="1" threads="1"/> </cpu> thanks

You didn't give enough details for us to answer your question. What command are you trying to type, and what output are you expecting vs. the error message that you got? What version of qemu and libvirt are you using? -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org