OST Network suite is failing on "OSError: [Errno 28] No space left on device"

Edward Haas ehaas at redhat.com
Sun Mar 18 06:10:49 UTC 2018


Good morning,

The network suite is running Ansible in one of its tests and from the
weekend it started failing without a good explanation.
It raises "OSError: [Errno 28] No space left on device"
when trying to take lock on the python multiprocess module.

It smells like a problem on the slave, but I am not sure.
Any ideas?

Thanks,
Edy.

=================================== FAILURES ===================================
______________________ test_ovn_provider_create_scenario _______________________

os_client_config = None

    def test_ovn_provider_create_scenario(os_client_config):
>       _test_ovn_provider('create_scenario.yml')

network-suite-master/tests/test_ovn_provider.py:68:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
network-suite-master/tests/test_ovn_provider.py:78: in _test_ovn_provider
    playbook.run()
network-suite-master/lib/ansiblelib.py:127: in run
    self._run_playbook_executor()
network-suite-master/lib/ansiblelib.py:138: in _run_playbook_executor
    pbex = PlaybookExecutor(**self._pbex_args)
/usr/lib/python2.7/site-packages/ansible/executor/playbook_executor.py:60:
in __init__
    self._tqm = TaskQueueManager(inventory=inventory,
variable_manager=variable_manager, loader=loader, options=options,
passwords=self.passwords)
/usr/lib/python2.7/site-packages/ansible/executor/task_queue_manager.py:104:
in __init__
    self._final_q = multiprocessing.Queue()
/usr/lib64/python2.7/multiprocessing/__init__.py:218: in Queue
    return Queue(maxsize)
/usr/lib64/python2.7/multiprocessing/queues.py:63: in __init__
    self._rlock = Lock()
/usr/lib64/python2.7/multiprocessing/synchronize.py:147: in __init__
    SemLock.__init__(self, SEMAPHORE, 1, 1)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self = <Lock(owner=unknown)>, kind = 1, value = 1, maxvalue = 1

    def __init__(self, kind, value, maxvalue):
>       sl = self._semlock = _multiprocessing.SemLock(kind, value, maxvalue)
E       OSError: [Errno 28] No space left on device

/usr/lib64/python2.7/multiprocessing/synchronize.py:75: OSError
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