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[Slawek Kaplonski <1854462@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Example of error:

ft1.3: neutron.tests.functional.agent.linux.test_keepalived.KeepalivedManagerTestCase.test_keepalived_spawns_conflicting_pid_vrrp_subprocesstesttools.testresult.real._StringException: Traceback (most recent call last):
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/fixtures/fixture.py", line 125, in cleanUp
    return self._cleanups(raise_errors=raise_first)
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/fixtures/callmany.py", line 89, in __call__
    reraise(error[0], error[1], error[2])
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/testtools/_compat3x.py", line 16, in reraise
    raise exc_obj.with_traceback(exc_tb)
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/fixtures/callmany.py", line 83, in __call__
    cleanup(*args, **kwargs)
  File "/home/zuul/src/opendev.org/openstack/neutron/neutron/tests/common/net_helpers.py", line 598, in destroy
    for pid in ip_lib.list_namespace_pids(self.name):
  File "/home/zuul/src/opendev.org/openstack/neutron/neutron/agent/linux/ip_lib.py", line 941, in list_namespace_pids
    return privileged.list_ns_pids(namespace)
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/oslo_privsep/priv_context.py", line 245, in _wrap
    return self.channel.remote_call(name, args, kwargs)
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/oslo_privsep/daemon.py", line 194, in remote_call
    result = self.send_recv((Message.CALL.value, name, args, kwargs))
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/oslo_privsep/comm.py", line 171, in send_recv
    reply = future.result()
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/oslo_privsep/comm.py", line 108, in result
    self.condvar.wait()
  File "/usr/lib/python3.6/threading.py", line 295, in wait
    waiter.acquire()
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/eventlet/semaphore.py", line 115, in acquire
    hubs.get_hub().switch()
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/eventlet/hubs/hub.py", line 298, in switch
    return self.greenlet.switch()
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/eventlet/hubs/hub.py", line 350, in run
    self.wait(sleep_time)
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/eventlet/hubs/poll.py", line 80, in wait
    presult = self.do_poll(seconds)
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/eventlet/hubs/epolls.py", line 31, in do_poll
    return self.poll.poll(seconds)
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/fixtures/_fixtures/timeout.py", line 52, in signal_handler
    raise TimeoutException()
fixtures._fixtures.timeout.TimeoutException


Logstash query: http://logstash.openstack.org/#dashboard/file/logstash.json?query=message%3A%5C%22line%20941%2C%20in%20list_namespace_pids%5C%22

** Affects: neutron
     Importance: High
         Status: Confirmed


** Tags: functional-tests gate-failure

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https://bugs.launchpad.net/bugs/1854462

Title:
  [Functional tests] Timeout exception in list_namespace_pids

Status in neutron:
  Confirmed

Bug description:
  Example of error:

  ft1.3: neutron.tests.functional.agent.linux.test_keepalived.KeepalivedManagerTestCase.test_keepalived_spawns_conflicting_pid_vrrp_subprocesstesttools.testresult.real._StringException: Traceback (most recent call last):
    File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/fixtures/fixture.py", line 125, in cleanUp
      return self._cleanups(raise_errors=raise_first)
    File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/fixtures/callmany.py", line 89, in __call__
      reraise(error[0], error[1], error[2])
    File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/testtools/_compat3x.py", line 16, in reraise
      raise exc_obj.with_traceback(exc_tb)
    File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/fixtures/callmany.py", line 83, in __call__
      cleanup(*args, **kwargs)
    File "/home/zuul/src/opendev.org/openstack/neutron/neutron/tests/common/net_helpers.py", line 598, in destroy
      for pid in ip_lib.list_namespace_pids(self.name):
    File "/home/zuul/src/opendev.org/openstack/neutron/neutron/agent/linux/ip_lib.py", line 941, in list_namespace_pids
      return privileged.list_ns_pids(namespace)
    File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/oslo_privsep/priv_context.py", line 245, in _wrap
      return self.channel.remote_call(name, args, kwargs)
    File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/oslo_privsep/daemon.py", line 194, in remote_call
      result = self.send_recv((Message.CALL.value, name, args, kwargs))
    File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/oslo_privsep/comm.py", line 171, in send_recv
      reply = future.result()
    File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/oslo_privsep/comm.py", line 108, in result
      self.condvar.wait()
    File "/usr/lib/python3.6/threading.py", line 295, in wait
      waiter.acquire()
    File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/eventlet/semaphore.py", line 115, in acquire
      hubs.get_hub().switch()
    File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/eventlet/hubs/hub.py", line 298, in switch
      return self.greenlet.switch()
    File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/eventlet/hubs/hub.py", line 350, in run
      self.wait(sleep_time)
    File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/eventlet/hubs/poll.py", line 80, in wait
      presult = self.do_poll(seconds)
    File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/eventlet/hubs/epolls.py", line 31, in do_poll
      return self.poll.poll(seconds)
    File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/fixtures/_fixtures/timeout.py", line 52, in signal_handler
      raise TimeoutException()
  fixtures._fixtures.timeout.TimeoutException

  
  Logstash query: http://logstash.openstack.org/#dashboard/file/logstash.json?query=message%3A%5C%22line%20941%2C%20in%20list_namespace_pids%5C%22

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