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[Dane LeBlanc <leblancd@xxxxxxxxx>]

Public bug reported:

Occasionally the check-neutron-dsvm-functional upstream gating tests
fail with a TimeoutException error in the
neutron.tests.functional.agent.linux.test_ovsdb_monitor.TestOvsdbMonitor.test_killed_monitor_respawns
tests (both vsctl and native):

http://logstash.openstack.org/#eyJzZWFyY2giOiJcImxpbmUgODEsIGluIHRlc3Rfa2lsbGVkX21vbml0b3JfcmVzcGF3bnNcIiAiLCJmaWVsZHMiOltdLCJvZmZzZXQiOjAsInRpbWVmcmFtZSI6IjE3MjgwMCIsImdyYXBobW9kZSI6ImNvdW50IiwidGltZSI6eyJ1c2VyX2ludGVydmFsIjowfSwic3RhbXAiOjE0Mjg5NDA3NDYwMDh9

Here's a sample log from a failing check-neutron-dsvm-functional test
run:

ft1.123: neutron.tests.functional.agent.linux.test_ovsdb_monitor.TestOvsdbMonitor.test_killed_monitor_respawns(vsctl)_StringException: Empty attachments:
  pythonlogging:''
  pythonlogging:'neutron.api.extensions'
  stderr
  stdout

Traceback (most recent call last):
  File "neutron/tests/functional/agent/linux/test_ovsdb_monitor.py", line 81, in test_killed_monitor_respawns
    output1 = self.collect_initial_output()
  File "neutron/tests/functional/agent/linux/test_ovsdb_monitor.py", line 76, in collect_initial_output
    eventlet.sleep(0.01)
  File "/opt/stack/new/neutron/.tox/dsvm-functional/local/lib/python2.7/site-packages/eventlet/greenthread.py", line 34, in sleep
    hub.switch()
  File "/opt/stack/new/neutron/.tox/dsvm-functional/local/lib/python2.7/site-packages/eventlet/hubs/hub.py", line 294, in switch
    return self.greenlet.switch()
  File "/opt/stack/new/neutron/.tox/dsvm-functional/local/lib/python2.7/site-packages/eventlet/hubs/hub.py", line 346, in run
    self.wait(sleep_time)
  File "/opt/stack/new/neutron/.tox/dsvm-functional/local/lib/python2.7/site-packages/eventlet/hubs/poll.py", line 85, in wait
    presult = self.do_poll(seconds)
  File "/opt/stack/new/neutron/.tox/dsvm-functional/local/lib/python2.7/site-packages/eventlet/hubs/epolls.py", line 62, in do_poll
    return self.poll.poll(seconds)
  File "/opt/stack/new/neutron/.tox/dsvm-functional/local/lib/python2.7/site-packages/fixtures/_fixtures/timeout.py", line 52, in signal_handler
    raise TimeoutException()
fixtures._fixtures.timeout.TimeoutException

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1443522

Title:
  Neutron dsvm functional tests fail with TimeoutException in
  test_killed_monitor_respawns

Status in OpenStack Neutron (virtual network service):
  New

Bug description:
  Occasionally the check-neutron-dsvm-functional upstream gating tests
  fail with a TimeoutException error in the
  neutron.tests.functional.agent.linux.test_ovsdb_monitor.TestOvsdbMonitor.test_killed_monitor_respawns
  tests (both vsctl and native):

  http://logstash.openstack.org/#eyJzZWFyY2giOiJcImxpbmUgODEsIGluIHRlc3Rfa2lsbGVkX21vbml0b3JfcmVzcGF3bnNcIiAiLCJmaWVsZHMiOltdLCJvZmZzZXQiOjAsInRpbWVmcmFtZSI6IjE3MjgwMCIsImdyYXBobW9kZSI6ImNvdW50IiwidGltZSI6eyJ1c2VyX2ludGVydmFsIjowfSwic3RhbXAiOjE0Mjg5NDA3NDYwMDh9

  Here's a sample log from a failing check-neutron-dsvm-functional test
  run:

  ft1.123: neutron.tests.functional.agent.linux.test_ovsdb_monitor.TestOvsdbMonitor.test_killed_monitor_respawns(vsctl)_StringException: Empty attachments:
    pythonlogging:''
    pythonlogging:'neutron.api.extensions'
    stderr
    stdout

  Traceback (most recent call last):
    File "neutron/tests/functional/agent/linux/test_ovsdb_monitor.py", line 81, in test_killed_monitor_respawns
      output1 = self.collect_initial_output()
    File "neutron/tests/functional/agent/linux/test_ovsdb_monitor.py", line 76, in collect_initial_output
      eventlet.sleep(0.01)
    File "/opt/stack/new/neutron/.tox/dsvm-functional/local/lib/python2.7/site-packages/eventlet/greenthread.py", line 34, in sleep
      hub.switch()
    File "/opt/stack/new/neutron/.tox/dsvm-functional/local/lib/python2.7/site-packages/eventlet/hubs/hub.py", line 294, in switch
      return self.greenlet.switch()
    File "/opt/stack/new/neutron/.tox/dsvm-functional/local/lib/python2.7/site-packages/eventlet/hubs/hub.py", line 346, in run
      self.wait(sleep_time)
    File "/opt/stack/new/neutron/.tox/dsvm-functional/local/lib/python2.7/site-packages/eventlet/hubs/poll.py", line 85, in wait
      presult = self.do_poll(seconds)
    File "/opt/stack/new/neutron/.tox/dsvm-functional/local/lib/python2.7/site-packages/eventlet/hubs/epolls.py", line 62, in do_poll
      return self.poll.poll(seconds)
    File "/opt/stack/new/neutron/.tox/dsvm-functional/local/lib/python2.7/site-packages/fixtures/_fixtures/timeout.py", line 52, in signal_handler
      raise TimeoutException()
  fixtures._fixtures.timeout.TimeoutException

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