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[Chuck Short <chuck.short@xxxxxxxxxxxxx>]

** Also affects: neutron/kilo
   Importance: Undecided
       Status: New

** Changed in: neutron/kilo
    Milestone: None => 2015.1.2

** Changed in: neutron/kilo
       Status: New => Fix Committed

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https://bugs.launchpad.net/bugs/1479558

Title:
  _ensure_default_security_group calls create_security_group within at
  db transaction

Status in neutron:
  Fix Released
Status in neutron kilo series:
  Fix Committed

Bug description:
  _ensure_default_security_group calls create_security_group within at db transaction [1],
  Neutron plugin may choose to override create_security_group so it can invoke backend operations,
  handling it under an open transaction might lead to a db lock timeout.

  [1]:
  http://git.openstack.org/cgit/openstack/neutron/tree/neutron/db/securitygroups_db.py#n666

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