KVM搭建过程中遇见问题

无法完成安装：'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 1820, in do_install
    guest.start_install(meter=meter)
  File "/usr/share/virt-manager/virtinst/guest.py", line 403, in start_install
    noboot)
  File "/usr/share/virt-manager/virtinst/guest.py", line 467, in _create_guest
    dom = self.conn.createLinux(start_xml or final_xml, 0)
  File "/usr/lib/python2.7/dist-packages/libvirt.py", line 3398, in createLinux
    if ret is None:raise libvirtError('virDomainCreateLinux() failed', conn=self)
libvirtError: internal error: Cannot find suitable CPU model for given data

描述：ubuntu下安装kvm，kvm已经安装，在我使用镜像安装虚拟机实例的时候遇见这个问题。

解答：

https://bugs.launchpad.net/ubuntu/+source/virt-manager/+bug/1346430