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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/1295625

Title:
  Oslo messaging port broke graceful shutdown of services in Nova

Status in OpenStack Compute (Nova):
  Fix Released

Bug description:
  After the port of Nova to oslo.messaging
  (https://review.openstack.org/#/c/39929) graceful shutdown of services
  introduced by https://blueprints.launchpad.net/nova/+spec/graceful-
  shutdown in I-1 got broken.

  In order to make this work again we need to make sure that Nova
  services call oslo.messaging MessageHandlingServer wait() method so
  that it gives a chance to the running greenthreads to finish.

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