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[Slawek Kaplonski <1694764@xxxxxxxxxxxxxxxxxx>]

I'm closing this bug now as I don't think we still have such issue in
the gate currently.

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

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https://bugs.launchpad.net/bugs/1694764

Title:
  test_metadata_proxy_respawned failed to spawn metadata proxy

Status in neutron:
  Fix Released

Bug description:
  This is on Newton.

  http://logs.openstack.org/82/465182/1/gate/gate-neutron-dsvm-
  functional-ubuntu-xenial/2eae399/testr_results.html.gz

  Traceback (most recent call last):
    File "neutron/tests/functional/agent/test_dhcp_agent.py", line 322, in test_metadata_proxy_respawned
      exception=RuntimeError("Metadata proxy didn't respawn"))
    File "neutron/common/utils.py", line 821, in wait_until_true
      eventlet.sleep(sleep)
    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()
  RuntimeError: Metadata proxy didn't respawn

  The proxy process is started here:
  http://logs.openstack.org/82/465182/1/gate/gate-neutron-dsvm-
  functional-ubuntu-xenial/2eae399/logs/dsvm-functional-
  logs/neutron.tests.functional.agent.test_dhcp_agent.DHCPAgentOVSTestCase.test_metadata_proxy_respawned.txt.gz#_2017-05-27_16_55_06_897

  Then later (not sure if related) we see this:

  2017-05-27 16:55:12.768 11565 DEBUG
  neutron.agent.linux.external_process
  [req-4c03cff5-0c93-422e-a542-423c54d67807 - - - - -] Process for
  bcaf27b6-7bdc-4569-93f0-1a4d51e21040 pid 27762 is stale, ignoring
  signal 9 disable neutron/agent/linux/external_process.py:121

  Nothing interesting can be found in syslog.

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