Unknown Failure error occurs and KVM Live Migration failed.

Solution Verified - Updated -

Issue

  • When our customer does live migration by virsh command, Unknown Failure error occurs.
  • [root@CGSchd-905 ~]# virsh migrate –live VM12 qemu+ssh://172.22.144.22/system
    root@172.22.144.22's password:
    error:  Unknown failure

Environment

  • Red Hat Enterprise Linux 5.5
  • libvirt-0.6.3-20.el5

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