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

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

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https://bugs.launchpad.net/bugs/1438183

Title:
  Graceful shutdown of nova-compute service fails

Status in OpenStack Compute (Nova):
  Fix Released

Bug description:
  nova-compute doesn't shutdown gracefully on SIGTERM, e.g. booting a VM
  fails with:

  09:29:18 AUDIT nova.compute.manager [req-9cdbba9c-af3b-4845-9deb-c68bffe63d75 None] [instance: 7ea3e761-6b85-49db-8dcc-79f6f2286
  df8] Starting instance...
  09:29:18 INFO nova.openstack.common.service [-] Caught SIGTERM, exiting
  ...
  09:29:37 INFO nova.compute.manager [-] [instance: 7ea3e761-6b85-49db-8dcc-79f6f2286df8] VM Started (Lifecycle Event)
  09:29:37 INFO nova.compute.manager [-] [instance: 7ea3e761-6b85-49db-8dcc-79f6f2286df8] VM Paused (Lifecycle Event)
  ...
  09:34:37 WARNING nova.virt.libvirt.driver [req-9cdbba9c-af3b-4845-9deb-c68bffe63d75 None] Timeout waiting for vif plugging callback for instance 7ea3e761-6b85-49db-8dcc-79f6f2286df8
  09:34:37 INFO nova.compute.manager [-] [instance: 7ea3e761-6b85-49db-8dcc-79f6f2286df8] VM Stopped (Lifecycle Event)
  09:34:38 INFO nova.virt.libvirt.driver [req-9cdbba9c-af3b-4845-9deb-c68bffe63d75 None] [instance: 7ea3e761-6b85-49db-8dcc-79f6f2286df8] Deleting instance files /var/lib/nova/instances/7ea3e761-6b85-49db-8dcc-79f6f2286df8
  09:34:38 ERROR nova.compute.manager [req-9cdbba9c-af3b-4845-9deb-c68bffe63d75 None] [instance: 7ea3e761-6b85-49db-8dcc-79f6f2286df8] Instance failed to spawn
  09:34:38 TRACE nova.compute.manager [instance: 7ea3e761-6b85-49db-8dcc-79f6f2286df8] Traceback (most recent call last):
  09:34:38 TRACE nova.compute.manager [instance: 7ea3e761-6b85-49db-8dcc-79f6f2286df8] File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1773, in _spawn
  09:34:38 TRACE nova.compute.manager [instance: 7ea3e761-6b85-49db-8dcc-79f6f2286df8] block_device_info)
  09:34:38 TRACE nova.compute.manager [instance: 7ea3e761-6b85-49db-8dcc-79f6f2286df8] File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2299, in spawn
  09:34:38 TRACE nova.compute.manager [instance: 7ea3e761-6b85-49db-8dcc-79f6f2286df8] block_device_info)
  09:34:38 TRACE nova.compute.manager [instance: 7ea3e761-6b85-49db-8dcc-79f6f2286df8] File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 3745, in _create_domain_and_network
  09:34:38 TRACE nova.compute.manager [instance: 7ea3e761-6b85-49db-8dcc-79f6f2286df8] raise exception.VirtualInterfaceCreateException()
  09:34:38 TRACE nova.compute.manager [instance: 7ea3e761-6b85-49db-8dcc-79f6f2286df8] VirtualInterfaceCreateException: Virtual Interface creation failed
  09:34:38 TRACE nova.compute.manager [instance: 7ea3e761-6b85-49db-8dcc-79f6f2286df8]

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