Hi This is my ERROR info(ocata): 2019-09-03 10:00:46.518 25163 ERROR oslo_messaging.rpc.server File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 5229, in check_can_live_migrate_destination 2019-09-03 10:00:46.518 25163 ERROR oslo_messaging.rpc.server disk_over_commit) 2019-09-03 10:00:46.518 25163 ERROR oslo_messaging.rpc.server File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 5240, in _do_check_can_live_migrate_destination 2019-09-03 10:00:46.518 25163 ERROR oslo_messaging.rpc.server block_migration, disk_over_commit) 2019-09-03 10:00:46.518 25163 ERROR oslo_messaging.rpc.server File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 5670, in check_can_live_migrate_destination 2019-09-03 10:00:46.518 25163 ERROR oslo_messaging.rpc.server self._compare_cpu(None, source_cpu_info, instance) 2019-09-03 10:00:46.518 25163 ERROR oslo_messaging.rpc.server File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 5938, in _compare_cpu 2019-09-03 10:00:46.518 25163 ERROR oslo_messaging.rpc.server raise exception.InvalidCPUInfo(reason=m % {'ret': ret, 'u': u}) 2019-09-03 10:00:46.518 25163 ERROR oslo_messaging.rpc.server InvalidCPUInfo: Unacceptable CPU info: CPU doesn't have compatibility.