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[Doug Hellmann <doug@xxxxxxxxxxxxxxxx>]

** Also affects: oslo.concurrency
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1349452

Title:
  apparent deadlock on lock_bridge in n-cpu

Status in OpenStack Compute (Nova):
  Confirmed
Status in The Oslo library incubator:
  Confirmed
Status in Oslo Concurrency Library:
  New

Bug description:
  It's not clear if n-cpu is dying trying to acquire the lock
  "lock_bridge" or if it's just hanging.

  http://logs.openstack.org/08/109108/1/check/check-tempest-dsvm-
  full/4417111/logs/screen-n-cpu.txt.gz

  The logs for n-cpu stop about 15 minutes before the rest of the test
  run, and all tests doing things that require the hypervisor executed
  after that point fail with different errors.

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