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[Bug 1319710] Re: Live-migration failed with OpenStack Icehouse and Ubuntu 12.04

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Rafael David Tinoco <rafael.tinoco@xxxxxxxxxxxxx>
Date: Tue, 29 Jul 2014 15:49:29 -0000
Reply-to: Bug 1319710 <1319710@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
** This bug is no longer a duplicate of bug 1303536
   Live migration fails. XML error: CPU feature `wdt' specified more than once

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https://bugs.launchpad.net/bugs/1319710

Title:
  Live-migration failed with OpenStack Icehouse and Ubuntu 12.04

Status in OpenStack Compute (Nova):
  New

Bug description:
  When I do live-migration an instance between two compute-nodes have the same CPU, i got the following error:
  (@ nova-compute.log)

  2014-05-15 15:39:21.563 2743 ERROR oslo.messaging.rpc.dispatcher [-] Exception during message handling: XML error: CPU feature `erms' specified 
  more than once
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher Traceback (most recent call last):
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", lin
  e 133, in _dispatch_and_reply
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher     incoming.message))
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", lin
  e 176, in _dispatch
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher     return self._do_dispatch(endpoint, method, ctxt, args)
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", lin
  e 122, in _do_dispatch
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher     result = getattr(endpoint, method)(ctxt, **new_args)
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/dist-packages/nova/exception.py", line 88, in wrappe
  d
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher     payload)
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/dist-packages/nova/openstack/common/excutils.py", li
  ne 68, in __exit__
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher     six.reraise(self.type_, self.value, self.tb)
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/dist-packages/nova/exception.py", line 71, in wrappe
  d
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher     return f(self, context, *args, **kw)
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 309, in
   decorated_function
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher     e, sys.exc_info())
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/dist-packages/nova/openstack/common/excutils.py", li
  ne 68, in __exit__
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher     six.reraise(self.type_, self.value, self.tb)
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 296, in
   decorated_function
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher     e, sys.exc_info())
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/dist-packages/nova/openstack/common/excutils.py", li
  ne 68, in __exit__
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher     six.reraise(self.type_, self.value, self.tb)
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 296, in
   decorated_function
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher     return function(self, context, *args, **kwargs)
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 4418, in check_can_live_migrate_destination
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher     block_migration, disk_over_commit)
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 4189, in check_can_live_migrate_destination
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher     self._compare_cpu(source_cpu_info)
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 4331, in _compare_cpu
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher     LOG.error(m, {'ret': ret, 'u': u})
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/dist-packages/nova/openstack/common/excutils.py", line 68, in __exit__
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher     six.reraise(self.type_, self.value, self.tb)
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 4327, in _compare_cpu
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher     ret = self._conn.compareCPU(cpu.to_xml(), 0)
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 179, in doit
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher     result = proxy_call(self._autowrap, f, *args, **kwargs)
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 139, in proxy_call
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher     rv = execute(f,*args,**kwargs)
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 77, in tworker
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher     rv = meth(*args,**kwargs)
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/dist-packages/libvirt.py", line 3191, in compareCPU
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher     if ret == -1: raise libvirtError ('virConnectCompareCPU() failed', conn=self)
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher libvirtError: XML error: CPU feature `erms' specified more than once
  2014-05-15 15:39:21.563 2743 TRACE oslo.messaging.rpc.dispatcher

  
  I'm using Ubuntu 12.04 with Openstack Icehouse.
  Version of components on compute-nodes:
  nova*  1:2014.1-0ubuntu1~cloud0
  libivrt* 1.2.2-0ubuntu13.1~cloud0

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References

[Bug 1319710] [NEW] Live-migration failed with OpenStack Icehouse and Ubuntu 12.04
From: Chu Duc Minh, 2014-05-15