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

[Eyal Edri]

Gal and Daniel are looking into it, strange its not affecting all suites.

On Mon, Mar 19, 2018 at 2:11 PM, Dominik Holler <dholler at redhat.com> wrote:

> Looks like /dev/shm is run out of space.
>
> On Mon, 19 Mar 2018 13:33:28 +0200
> Leon Goldberg <lgoldber at redhat.com> wrote:
>
> > Hey, any updates?
> >
> > On Sun, Mar 18, 2018 at 10:44 AM, Edward Haas <ehaas at redhat.com>
> > wrote:
> >
> > > We are doing nothing special there, just executing ansible through
> > > their API.
> > >
> > > On Sun, Mar 18, 2018 at 10:42 AM, Daniel Belenky
> > > <dbelenky at redhat.com> wrote:
> > >
> > >> It's not a space issue. Other suites ran on that slave after your
> > >> suite successfully.
> > >> I think that the problem is the setting for max semaphores, though
> > >> I don't know what you're doing to reach that limit.
> > >>
> > >> [dbelenky at ovirt-srv18 ~]$ ipcs -ls
> > >>
> > >> ------ Semaphore Limits --------
> > >> max number of arrays = 128
> > >> max semaphores per array = 250
> > >> max semaphores system wide = 32000
> > >> max ops per semop call = 32
> > >> semaphore max value = 32767
> > >>
> > >>
> > >> On Sun, Mar 18, 2018 at 10:31 AM, Edward Haas <ehaas at redhat.com>
> > >> wrote:
> > >>> http://jenkins.ovirt.org/job/ovirt-system-tests_network-
> suite-master/
> > >>>
> > >>> On Sun, Mar 18, 2018 at 10:24 AM, Daniel Belenky
> > >>> <dbelenky at redhat.com> wrote:
> > >>>
> > >>>> Hi Edi,
> > >>>>
> > >>>> Are there any logs? where you're running the suite? may I have a
> > >>>> link?
> > >>>>
> > >>>> On Sun, Mar 18, 2018 at 8:20 AM, Edward Haas <ehaas at redhat.com>
> > >>>> wrote:
> > >>>>> Good morning,
> > >>>>>
> > >>>>> We are running in the OST network suite a test module with
> > >>>>> Ansible and it started failing during the weekend on "OSError:
> > >>>>> [Errno 28] No space left on device" when attempting to take a
> > >>>>> lock in the mutiprocessing python module.
> > >>>>>
> > >>>>> It smells like a slave resource problem, could someone help
> > >>>>> investigate this?
> > >>>>>
> > >>>>> 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
> > >>>>>
> > >>>>>
> > >>>>
> > >>>>
> > >>>> --
> > >>>>
> > >>>> DANIEL BELENKY
> > >>>>
> > >>>> RHV DEVOPS
> > >>>>
> > >>>
> > >>>
> > >>
> > >>
> > >> --
> > >>
> > >> DANIEL BELENKY
> > >>
> > >> RHV DEVOPS
> > >>
> > >
> > >
>
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-- 

Eyal edri


MANAGER

RHV DevOps

EMEA VIRTUALIZATION R&D


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