Error when creating a Linux interface

Bug #1858661 reported by Rodolfo Alonso on 2020-01-07
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
neutron
High
Unassigned

Bug Description

A recurrent error, from time to time, in the CI. When a Linux interface is being created, the test case raises a timeout exception.

This is happening during the execution of https://github.com/openstack/neutron/blob/ac63c570a1c630ac4405e4caf3d516d069165d69/neutron/agent/linux/bridge_lib.py#L63.

Logs: https://storage.gra.cloud.ovh.net/v1/AUTH_dcaab5e32b234d56b626f72581e3644c/zuul_opendev_logs_ea8/677092/11/check/neutron-functional/ea8fe46/testr_results.html.gz

Error:
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 197, in setUp
    self._setUp()
  File "/home/zuul/src/opendev.org/openstack/neutron/neutron/tests/common/net_helpers.py", line 882, in _setUp
    self.bridge = self._create_bridge()
  File "/home/zuul/src/opendev.org/openstack/neutron/neutron/tests/common/net_helpers.py", line 909, in _create_bridge
    namespace=self.namespace)
  File "/home/zuul/src/opendev.org/openstack/neutron/neutron/tests/common/base.py", line 47, in create_resource
    return creation_func(name, *args, **kwargs)
  File "/home/zuul/src/opendev.org/openstack/neutron/neutron/agent/linux/bridge_lib.py", line 63, in addbr
    bridge.link.create()
  File "/home/zuul/src/opendev.org/openstack/neutron/neutron/agent/linux/ip_lib.py", line 470, in create
    self.kind)
  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

tags: added: functional-tests gate-failure
Changed in neutron:
status: New → Confirmed
importance: Undecided → High
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