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[Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>]

** Changed in: nova
       Status: Fix Committed => Fix Released

** Changed in: nova
    Milestone: None => kilo-2

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https://bugs.launchpad.net/bugs/1415333

Title:
  Memnode element is not supported on all versions of libvirt

Status in OpenStack Compute (Nova):
  Fix Released

Bug description:
  The current version of Libvirt in the gate doesn't support a memnode element in the numa tune configuration.
   When requesting guest topology the instance is crashing with
  the following:

  Instance failed to spawn
   Traceback (most recent call last):
     File "/opt/stack/new/nova/nova/compute/manager.py", line 2303, in _build_resources
       yield resources
     File "/opt/stack/new/nova/nova/compute/manager.py", line 2173, in _build_and_run_instance
       flavor=flavor)
     File "/opt/stack/new/nova/nova/virt/libvirt/driver.py", line 2320, in spawn
       block_device_info=block_device_info)
     File "/opt/stack/new/nova/nova/virt/libvirt/driver.py", line 4231, in _create_domain_and_network
       power_on=power_on)
     File "/opt/stack/new/nova/nova/virt/libvirt/driver.py", line 4164, in _create_domain
       LOG.error(err)
     File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 82, in __exit__
       six.reraise(self.type_, self.value, self.tb)
     File "/opt/stack/new/nova/nova/virt/libvirt/driver.py", line 4148, in _create_domain
       domain = self._conn.defineXML(xml)
     File "/usr/local/lib/python2.7/dist-packages/eventlet/tpool.py", line 183, in doit
       result = proxy_call(self._autowrap, f, *args, **kwargs)
     File "/usr/local/lib/python2.7/dist-packages/eventlet/tpool.py", line 141, in proxy_call
       rv = execute(f, *args, **kwargs)
     File "/usr/local/lib/python2.7/dist-packages/eventlet/tpool.py", line 122, in execute
       six.reraise(c, e, tb)
     File "/usr/local/lib/python2.7/dist-packages/eventlet/tpool.py", line 80, in tworker
       rv = meth(*args, **kwargs)
     File "/usr/lib/python2.7/dist-packages/libvirt.py", line 3240, in defineXML
       if ret is None:raise libvirtError('virDomainDefineXML() failed', conn=self)
   libvirtError: XML error: unsupported XML element memnode

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