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[Bug 1921866] [NEW] Functional test test_ipv6_router_advts_and_fwd_after_router_state_change_backup failed due to timeout

 

Public bug reported:

It happens at least twice:

https://17b1c998339a42fd4480-35ecc7b59ac0acd5f8ed77dd8ebc5343.ssl.cf1.rackcdn.com/780926/2/gate
/neutron-functional-with-uwsgi/182c299/testr_results.html

https://storage.gra.cloud.ovh.net/v1/AUTH_dcaab5e32b234d56b626f72581e3644c/zuul_opendev_logs_32f/782553/4/check
/neutron-functional-with-uwsgi/32f9987/testr_results.html

Stacktrace:

ft1.19: neutron.tests.functional.agent.l3.test_ha_router.L3HATestCase.test_ipv6_router_advts_and_fwd_after_router_state_change_backuptesttools.testresult.real._StringException: Traceback (most recent call last):
  File "/home/zuul/src/opendev.org/openstack/neutron/neutron/common/utils.py", line 704, in wait_until_true
    eventlet.sleep(sleep)
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.8/site-packages/eventlet/greenthread.py", line 36, in sleep
    hub.switch()
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.8/site-packages/eventlet/hubs/hub.py", line 313, 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 "/home/zuul/src/opendev.org/openstack/neutron/neutron/tests/base.py", line 183, in func
    return f(self, *args, **kwargs)
  File "/home/zuul/src/opendev.org/openstack/neutron/neutron/tests/functional/agent/l3/test_ha_router.py", line 148, in test_ipv6_router_advts_and_fwd_after_router_state_change_backup
    self._test_ipv6_router_advts_and_fwd_helper('backup',
  File "/home/zuul/src/opendev.org/openstack/neutron/neutron/tests/functional/agent/l3/test_ha_router.py", line 118, in _test_ipv6_router_advts_and_fwd_helper
    common_utils.wait_until_true(lambda: router.ha_state == 'backup')
  File "/home/zuul/src/opendev.org/openstack/neutron/neutron/common/utils.py", line 709, in wait_until_true
    raise WaitTimeout(_("Timed out after %d seconds") % timeout)
neutron.common.utils.WaitTimeout: Timed out after 60 seconds

** Affects: neutron
     Importance: High
         Status: Confirmed


** Tags: functional-tests l3-ha

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https://bugs.launchpad.net/bugs/1921866

Title:
  Functional test
  test_ipv6_router_advts_and_fwd_after_router_state_change_backup failed
  due to timeout

Status in neutron:
  Confirmed

Bug description:
  It happens at least twice:

  https://17b1c998339a42fd4480-35ecc7b59ac0acd5f8ed77dd8ebc5343.ssl.cf1.rackcdn.com/780926/2/gate
  /neutron-functional-with-uwsgi/182c299/testr_results.html

  https://storage.gra.cloud.ovh.net/v1/AUTH_dcaab5e32b234d56b626f72581e3644c/zuul_opendev_logs_32f/782553/4/check
  /neutron-functional-with-uwsgi/32f9987/testr_results.html

  Stacktrace:

  ft1.19: neutron.tests.functional.agent.l3.test_ha_router.L3HATestCase.test_ipv6_router_advts_and_fwd_after_router_state_change_backuptesttools.testresult.real._StringException: Traceback (most recent call last):
    File "/home/zuul/src/opendev.org/openstack/neutron/neutron/common/utils.py", line 704, in wait_until_true
      eventlet.sleep(sleep)
    File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.8/site-packages/eventlet/greenthread.py", line 36, in sleep
      hub.switch()
    File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.8/site-packages/eventlet/hubs/hub.py", line 313, 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 "/home/zuul/src/opendev.org/openstack/neutron/neutron/tests/base.py", line 183, in func
      return f(self, *args, **kwargs)
    File "/home/zuul/src/opendev.org/openstack/neutron/neutron/tests/functional/agent/l3/test_ha_router.py", line 148, in test_ipv6_router_advts_and_fwd_after_router_state_change_backup
      self._test_ipv6_router_advts_and_fwd_helper('backup',
    File "/home/zuul/src/opendev.org/openstack/neutron/neutron/tests/functional/agent/l3/test_ha_router.py", line 118, in _test_ipv6_router_advts_and_fwd_helper
      common_utils.wait_until_true(lambda: router.ha_state == 'backup')
    File "/home/zuul/src/opendev.org/openstack/neutron/neutron/common/utils.py", line 709, in wait_until_true
      raise WaitTimeout(_("Timed out after %d seconds") % timeout)
  neutron.common.utils.WaitTimeout: Timed out after 60 seconds

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