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[Alan Pevec <1260123@xxxxxxxxxxxxxxxxxx>]

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

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https://bugs.launchpad.net/bugs/1260123

Title:
  libvirt wait_for_block_job_info can infinitely loop

Status in OpenStack Compute (Nova):
  Fix Released
Status in OpenStack Compute (nova) havana series:
  Fix Released

Bug description:
  Callers of wait_for_block_job_info may loop infinitely if the job
  doesn't exist, since libvirt returns an empty dict which this function
  interprets as cur=0 and end=0 => return True.

  I think it should do:

  if not any(status):
      return False

  
  Affects online deletion of Cinder GlusterFS snapshots, and possibly other callers of this (live_snapshot).

  
  See http://libvirt.org/git/?p=libvirt-python.git;a=commit;h=f8bc3a9ccc

  (Encountered issue on Fedora 19 w/ virt-preview repo, libvirt 1.1.3.)

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