libvirt qemu fail

    Unable to complete install: 'internal error: Cannot find suitable CPU model for given data'

    Traceback (most recent call last):
    File "/usr/share/virt-manager/virtManager/asyncjob.py", line 91, in cb_wrapper
        callback(asyncjob, *args, **kwargs)
    File "/usr/share/virt-manager/virtManager/create.py", line 1887, in do_install
        guest.start_install(meter=meter)
    File "/usr/share/virt-manager/virtinst/guest.py", line 412, in start_install
        noboot)
    File "/usr/share/virt-manager/virtinst/guest.py", line 476, in _create_guest
        dom = self.conn.createLinux(start_xml or final_xml, 0)
    File "/usr/lib64/python2.7/site-packages/libvirt.py", line 2886, in createLinux
        if ret is None:raise libvirtError('virDomainCreateLinux() failed', conn=self)
    libvirtError: internal error: Cannot find suitable CPU model for given data