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[Sean Dague <sean@xxxxxxxxx>]

This appears fixed, please reopen if still an issue

** Changed in: nova
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1558105

Title:
  In python3 test_fixtures.TestOSAPIFixture.test_responds_to_version
  stalls in epoll()

Status in OpenStack Compute (nova):
  Fix Released

Bug description:
  When running the py34 unit tests,
  nova.tests.unit.test_fixtures.TestOSAPIFixture.test_responds_to_version
  will block in epoll() for up to 900 seconds. This sometimes causes the
  gate to timeout as the combined time of building the environment,
  running the tests, and gathering the information can be too much
  (despite all the tests passing).

  The problem appears to be a deadlock/race in eventlet itself when
  working with the same file from different greenthreads.

  see email for more discussion: http://lists.openstack.org/pipermail
  /openstack-dev/2016-March/089496.html

  a fix is proposed and will be linked here momentarily

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