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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/1281324

Title:
  vm_state ERROR vm undeletable if first delete attempt does not
  succeed.

Status in OpenStack Compute (Nova):
  Fix Released

Bug description:
  We had a neutron failure in our cloud, which lead to a bunch of VM's
  in state ERROR.. we've repaired neutron but now we can't delete:

  ERROR: Cannot 'forceDelete' while instance is in vm_state error (HTTP 409) (Request-ID:
                    req-1c4a88c3-4ea1-45a8-b987-629a69b4af06)

  or stop/start
  nova stop 01199ed9-b3c3-4ee9-a482-bdfdc7347ce1
  ERROR: Instance 01199ed9-b3c3-4ee9-a482-bdfdc7347ce1 in task_state deleting. Cannot stop while the instance is in this state. (HTTP 400) (Request-ID: req-18d58b8d-b360-4b37-b671-34624a6dade4)
  (ci-overcloud)robertc@lifelesshp:~/work$ nova start 01199ed9-b3c3-4ee9-a482-bdfdc7347ce1
  ERROR: Instance 01199ed9-b3c3-4ee9-a482-bdfdc7347ce1 in vm_state error. Cannot start while the instance is in this state. (HTTP 400) (Request-ID: req-b46c0ee6-8ed8-41c3-b400-72f76429209a)

  normal 'delete' doesn't error.. but doesn't delete the VM either.

  The problem is that nothing is cancelling the task state, so the VMs
  are staying stuck indefinitely.

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