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[OpenStack Infra <1819125@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.openstack.org/646082
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=531fdc336b1b6b74de1b148b0dfe9eebd9e5cdc3
Submitter: Zuul
Branch:    master

commit 531fdc336b1b6b74de1b148b0dfe9eebd9e5cdc3
Author: Rodolfo Alonso Hernandez <ralonsoh@xxxxxxxxxx>
Date:   Sun Mar 24 20:44:27 2019 +0000

    Mock OVSBrdge.clear_minimum_bandwidth_qos in fullstack tests
    
    This function will not be executed when the OVS agent is started,
    in order to keep QoS and Queue registers in OVS BD created by other
    tests.
    
    Change-Id: I054510403a4f46544ff78ee2f6babb1247726553
    Closes-Bug: #1819125


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

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https://bugs.launchpad.net/bugs/1819125

Title:
  Fullstack test test_min_bw_qos_policy_rule_lifecycle failing often

Status in neutron:
  Fix Released

Bug description:
  Fullstack test
  neutron.tests.fullstack.test_qos.TestMinBwQoSOvs.test_min_bw_qos_policy_rule_lifecycle
  is often failing.

  Stack trace:

  ft1.2: neutron.tests.fullstack.test_qos.TestMinBwQoSOvs.test_min_bw_qos_policy_rule_lifecycle(egress,openflow-cli)_StringException: Traceback (most recent call last):
    File "/opt/stack/new/neutron/neutron/common/utils.py", line 685, in wait_until_true
      eventlet.sleep(sleep)
    File "/opt/stack/new/neutron/.tox/dsvm-fullstack/lib/python3.5/site-packages/eventlet/greenthread.py", line 36, in sleep
      hub.switch()
    File "/opt/stack/new/neutron/.tox/dsvm-fullstack/lib/python3.5/site-packages/eventlet/hubs/hub.py", line 297, in switch
      return self.greenlet.switch()
  eventlet.timeout.Timeout: 60 seconds

  During handling of the above exception, another exception occurred:

  Traceback (most recent call last):
    File "/opt/stack/new/neutron/neutron/tests/base.py", line 174, in func
      return f(self, *args, **kwargs)
    File "/opt/stack/new/neutron/neutron/tests/fullstack/test_qos.py", line 655, in test_min_bw_qos_policy_rule_lifecycle
      self._wait_for_min_bw_rule_applied(vm, MIN_BANDWIDTH, self.direction)
    File "/opt/stack/new/neutron/neutron/tests/fullstack/test_qos.py", line 675, in _wait_for_min_bw_rule_applied
      lambda: vm.bridge.get_egress_min_bw_for_port(
    File "/opt/stack/new/neutron/neutron/common/utils.py", line 690, in wait_until_true
      raise WaitTimeout(_("Timed out after %d seconds") % timeout)
  neutron.common.utils.WaitTimeout: Timed out after 60 seconds

  
  Example of failure: http://logs.openstack.org/83/574783/39/check/neutron-fullstack/76eb05d/logs/testr_results.html.gz

  Logstash query:
  http://logstash.openstack.org/#dashboard/file/logstash.json?query=message%3A%5C%22line%20655%2C%20in%20test_min_bw_qos_policy_rule_lifecycle%5C%22

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