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

** Changed in: nova
    Milestone: icehouse-rc1 => icehouse-3

** Changed in: nova
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1276772

Title:
  Instance deletion fails due to race condition on Hyper-V

Status in OpenStack Compute (Nova):
  Fix Released

Bug description:
  A recently merge patch separates the lock required to delete an
  instance from the one used during instance creation and other
  operations.

  This leads to race conditions in the Hyper-V driver, as the spawn and
  destroy methods have been written considering that locking already
  occurs at the compute manager level.

  This patch has already been committed, reverted  and committed again:

  https://review.openstack.org/#/c/55444/
  https://review.openstack.org/#/c/69987/
  https://review.openstack.org/#/c/70187/

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