← Back to team overview

yahoo-eng-team team mailing list archive

[Bug 1517282] [NEW] test_create_delete_image fails in dsvm-tempest-xen due to "libvirtError: internal error: Failed to save domain '42' with libxenlight"

 

Public bug reported:

Seen here:

http://logs.openstack.xenproject.org/35/246635/1/check/dsvm-tempest-
xen/7bfd07c/console.html

I see this in the n-cpu logs:

2015-11-17 23:16:50.731 DEBUG nova.compute.manager [req-320c876b-00a2-4785-a9a4-3979d567302e tempest-ImagesOneServerTestJSON-1384909178 tempest-ImagesOneServerTestJSON-1707465920] [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b] Cleaning up image 085d91cf-d1a2-412c-bbcb-aca06ac5bd29 decorated_function /opt/stack/new/nova/nova/compute/manager.py:420
2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b] Traceback (most recent call last):
2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]   File "/opt/stack/new/nova/nova/compute/manager.py", line 416, in decorated_function
2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]     *args, **kwargs)
2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]   File "/opt/stack/new/nova/nova/compute/manager.py", line 3046, in snapshot_instance
2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]     task_states.IMAGE_SNAPSHOT)
2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]   File "/opt/stack/new/nova/nova/compute/manager.py", line 3076, in _snapshot_instance
2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]     update_task_state)
2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]   File "/opt/stack/new/nova/nova/virt/libvirt/driver.py", line 1405, in snapshot
2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]     guest.save_memory_state()
2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]   File "/opt/stack/new/nova/nova/virt/libvirt/guest.py", line 313, in save_memory_state
2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]     self._domain.managedSave(0)
2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]   File "/usr/local/lib/python2.7/dist-packages/eventlet/tpool.py", line 183, in doit
2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]     result = proxy_call(self._autowrap, f, *args, **kwargs)
2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]   File "/usr/local/lib/python2.7/dist-packages/eventlet/tpool.py", line 141, in proxy_call
2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]     rv = execute(f, *args, **kwargs)
2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]   File "/usr/local/lib/python2.7/dist-packages/eventlet/tpool.py", line 122, in execute
2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]     six.reraise(c, e, tb)
2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]   File "/usr/local/lib/python2.7/dist-packages/eventlet/tpool.py", line 80, in tworker
2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]     rv = meth(*args, **kwargs)
2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]   File "/usr/local/lib/python2.7/dist-packages/libvirt.py", line 1397, in managedSave
2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]     if ret == -1: raise libvirtError ('virDomainManagedSave() failed', dom=self)
2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b] libvirtError: internal error: Failed to save domain '42' with libxenlight
2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b] 


2015-11-17 23:16:51.094 ERROR oslo_messaging.rpc.dispatcher [req-320c876b-00a2-4785-a9a4-3979d567302e tempest-ImagesOneServerTestJSON-1384909178 tempest-ImagesOneServerTestJSON-1707465920] Exception during message handling: internal error: Failed to save domain '42' with libxenlight
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher Traceback (most recent call last):
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 142, in _dispatch_and_reply
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     executor_callback))
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 186, in _dispatch
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     executor_callback)
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 129, in _do_dispatch
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     result = func(ctxt, **new_args)
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/opt/stack/new/nova/nova/exception.py", line 105, in wrapped
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     payload)
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 197, in __exit__
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     six.reraise(self.type_, self.value, self.tb)
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/opt/stack/new/nova/nova/exception.py", line 88, in wrapped
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     return f(self, context, *args, **kw)
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/opt/stack/new/nova/nova/compute/manager.py", line 350, in decorated_function
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     LOG.warning(msg, e, instance=instance)
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 197, in __exit__
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     six.reraise(self.type_, self.value, self.tb)
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/opt/stack/new/nova/nova/compute/manager.py", line 323, in decorated_function
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     return function(self, context, *args, **kwargs)
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/opt/stack/new/nova/nova/compute/manager.py", line 378, in decorated_function
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     kwargs['instance'], e, sys.exc_info())
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 197, in __exit__
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     six.reraise(self.type_, self.value, self.tb)
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/opt/stack/new/nova/nova/compute/manager.py", line 366, in decorated_function
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     return function(self, context, *args, **kwargs)
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/opt/stack/new/nova/nova/compute/manager.py", line 426, in decorated_function
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     instance=instance)
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 197, in __exit__
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     six.reraise(self.type_, self.value, self.tb)
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/opt/stack/new/nova/nova/compute/manager.py", line 416, in decorated_function
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     *args, **kwargs)
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/opt/stack/new/nova/nova/compute/manager.py", line 3046, in snapshot_instance
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     task_states.IMAGE_SNAPSHOT)
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/opt/stack/new/nova/nova/compute/manager.py", line 3076, in _snapshot_instance
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     update_task_state)
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/opt/stack/new/nova/nova/virt/libvirt/driver.py", line 1405, in snapshot
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     guest.save_memory_state()
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/opt/stack/new/nova/nova/virt/libvirt/guest.py", line 313, in save_memory_state
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     self._domain.managedSave(0)
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/eventlet/tpool.py", line 183, in doit
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     result = proxy_call(self._autowrap, f, *args, **kwargs)
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/eventlet/tpool.py", line 141, in proxy_call
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     rv = execute(f, *args, **kwargs)
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/eventlet/tpool.py", line 122, in execute
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     six.reraise(c, e, tb)
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/eventlet/tpool.py", line 80, in tworker
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     rv = meth(*args, **kwargs)
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/libvirt.py", line 1397, in managedSave
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     if ret == -1: raise libvirtError ('virDomainManagedSave() failed', dom=self)
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher libvirtError: internal error: Failed to save domain '42' with libxenlight
2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher

** Affects: nova
     Importance: Undecided
         Status: New


** Tags: libvirt xen

** Tags added: libvirt xen

** Summary changed:

- ImagesOneServerTestJSON.test_create_delete_image fails in dsvm-tempest-xen due to snapshot failure
+ test_create_delete_image fails in dsvm-tempest-xen due to "libvirtError: internal error: Failed to save domain '42' with libxenlight"

-- 
You received this bug notification because you are a member of Yahoo!
Engineering Team, which is subscribed to OpenStack Compute (nova).
https://bugs.launchpad.net/bugs/1517282

Title:
  test_create_delete_image fails in dsvm-tempest-xen due to
  "libvirtError: internal error: Failed to save domain '42' with
  libxenlight"

Status in OpenStack Compute (nova):
  New

Bug description:
  Seen here:

  http://logs.openstack.xenproject.org/35/246635/1/check/dsvm-tempest-
  xen/7bfd07c/console.html

  I see this in the n-cpu logs:

  2015-11-17 23:16:50.731 DEBUG nova.compute.manager [req-320c876b-00a2-4785-a9a4-3979d567302e tempest-ImagesOneServerTestJSON-1384909178 tempest-ImagesOneServerTestJSON-1707465920] [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b] Cleaning up image 085d91cf-d1a2-412c-bbcb-aca06ac5bd29 decorated_function /opt/stack/new/nova/nova/compute/manager.py:420
  2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b] Traceback (most recent call last):
  2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]   File "/opt/stack/new/nova/nova/compute/manager.py", line 416, in decorated_function
  2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]     *args, **kwargs)
  2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]   File "/opt/stack/new/nova/nova/compute/manager.py", line 3046, in snapshot_instance
  2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]     task_states.IMAGE_SNAPSHOT)
  2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]   File "/opt/stack/new/nova/nova/compute/manager.py", line 3076, in _snapshot_instance
  2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]     update_task_state)
  2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]   File "/opt/stack/new/nova/nova/virt/libvirt/driver.py", line 1405, in snapshot
  2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]     guest.save_memory_state()
  2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]   File "/opt/stack/new/nova/nova/virt/libvirt/guest.py", line 313, in save_memory_state
  2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]     self._domain.managedSave(0)
  2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]   File "/usr/local/lib/python2.7/dist-packages/eventlet/tpool.py", line 183, in doit
  2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]     result = proxy_call(self._autowrap, f, *args, **kwargs)
  2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]   File "/usr/local/lib/python2.7/dist-packages/eventlet/tpool.py", line 141, in proxy_call
  2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]     rv = execute(f, *args, **kwargs)
  2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]   File "/usr/local/lib/python2.7/dist-packages/eventlet/tpool.py", line 122, in execute
  2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]     six.reraise(c, e, tb)
  2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]   File "/usr/local/lib/python2.7/dist-packages/eventlet/tpool.py", line 80, in tworker
  2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]     rv = meth(*args, **kwargs)
  2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]   File "/usr/local/lib/python2.7/dist-packages/libvirt.py", line 1397, in managedSave
  2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b]     if ret == -1: raise libvirtError ('virDomainManagedSave() failed', dom=self)
  2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b] libvirtError: internal error: Failed to save domain '42' with libxenlight
  2015-11-17 23:16:50.731 22089 ERROR nova.compute.manager [instance: fba53658-7192-4c2e-a7f7-8f7e186da13b] 


  
  2015-11-17 23:16:51.094 ERROR oslo_messaging.rpc.dispatcher [req-320c876b-00a2-4785-a9a4-3979d567302e tempest-ImagesOneServerTestJSON-1384909178 tempest-ImagesOneServerTestJSON-1707465920] Exception during message handling: internal error: Failed to save domain '42' with libxenlight
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher Traceback (most recent call last):
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 142, in _dispatch_and_reply
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     executor_callback))
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 186, in _dispatch
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     executor_callback)
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 129, in _do_dispatch
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     result = func(ctxt, **new_args)
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/opt/stack/new/nova/nova/exception.py", line 105, in wrapped
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     payload)
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 197, in __exit__
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     six.reraise(self.type_, self.value, self.tb)
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/opt/stack/new/nova/nova/exception.py", line 88, in wrapped
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     return f(self, context, *args, **kw)
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/opt/stack/new/nova/nova/compute/manager.py", line 350, in decorated_function
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     LOG.warning(msg, e, instance=instance)
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 197, in __exit__
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     six.reraise(self.type_, self.value, self.tb)
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/opt/stack/new/nova/nova/compute/manager.py", line 323, in decorated_function
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     return function(self, context, *args, **kwargs)
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/opt/stack/new/nova/nova/compute/manager.py", line 378, in decorated_function
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     kwargs['instance'], e, sys.exc_info())
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 197, in __exit__
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     six.reraise(self.type_, self.value, self.tb)
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/opt/stack/new/nova/nova/compute/manager.py", line 366, in decorated_function
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     return function(self, context, *args, **kwargs)
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/opt/stack/new/nova/nova/compute/manager.py", line 426, in decorated_function
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     instance=instance)
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 197, in __exit__
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     six.reraise(self.type_, self.value, self.tb)
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/opt/stack/new/nova/nova/compute/manager.py", line 416, in decorated_function
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     *args, **kwargs)
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/opt/stack/new/nova/nova/compute/manager.py", line 3046, in snapshot_instance
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     task_states.IMAGE_SNAPSHOT)
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/opt/stack/new/nova/nova/compute/manager.py", line 3076, in _snapshot_instance
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     update_task_state)
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/opt/stack/new/nova/nova/virt/libvirt/driver.py", line 1405, in snapshot
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     guest.save_memory_state()
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/opt/stack/new/nova/nova/virt/libvirt/guest.py", line 313, in save_memory_state
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     self._domain.managedSave(0)
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/eventlet/tpool.py", line 183, in doit
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     result = proxy_call(self._autowrap, f, *args, **kwargs)
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/eventlet/tpool.py", line 141, in proxy_call
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     rv = execute(f, *args, **kwargs)
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/eventlet/tpool.py", line 122, in execute
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     six.reraise(c, e, tb)
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/eventlet/tpool.py", line 80, in tworker
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     rv = meth(*args, **kwargs)
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/libvirt.py", line 1397, in managedSave
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher     if ret == -1: raise libvirtError ('virDomainManagedSave() failed', dom=self)
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher libvirtError: internal error: Failed to save domain '42' with libxenlight
  2015-11-17 23:16:51.094 22089 ERROR oslo_messaging.rpc.dispatcher

To manage notifications about this bug go to:
https://bugs.launchpad.net/nova/+bug/1517282/+subscriptions