[ovirt-devel] [ OST Failure Report ] [ oVirt 4.2 ] [ 2018-04-04 ] [006_migrations.prepare_migration_attachments_ipv6]

[Ravi Shankar Nori]

On Tue, Apr 24, 2018 at 9:47 AM, Dan Kenigsberg <danken at redhat.com> wrote:

> On Tue, Apr 24, 2018 at 4:36 PM, Ravi Shankar Nori <rnori at redhat.com>
> wrote:
> >
> >
> > On Tue, Apr 24, 2018 at 9:24 AM, Martin Perina <mperina at redhat.com>
> wrote:
> >>
> >>
> >>
> >> On Tue, Apr 24, 2018 at 3:17 PM, Ravi Shankar Nori <rnori at redhat.com>
> >> wrote:
> >>>
> >>>
> >>>
> >>> On Tue, Apr 24, 2018 at 7:00 AM, Dan Kenigsberg <danken at redhat.com>
> >>> wrote:
> >>>>
> >>>> Ravi's patch is in, but a similar problem remains, and the test cannot
> >>>> be put back into its place.
> >>>>
> >>>> It seems that while Vdsm was taken down, a couple of getCapsAsync
> >>>> requests queued up. At one point, the host resumed its connection,
> >>>> before the requests have been cleared of the queue. After the host is
> >>>> up, the following tests resume, and at a pseudorandom point in time,
> >>>> an old getCapsAsync request times out and kills our connection.
> >>>>
> >>>> I believe that as long as ANY request is on flight, the monitoring
> >>>> lock should not be released, and the host should not be declared as
> >>>> up.
>
> Would you relate to this analysis ^^^ ?
>
>
The HostMonitoring lock issue has been fixed by
https://gerrit.ovirt.org/#/c/90189/


> >>>>
> >>>>
> >>>
> >>>
> >>> Hi Dan,
> >>>
> >>> Can I have the link to the job on jenkins so I can look at the logs
> >>
> >>
> >> http://jenkins.ovirt.org/job/ovirt-system-tests_standard-
> check-patch/346/
> >>
> >
> >
> > From the logs the only VDS lock that is being released twice is VDS_FENCE
> > lock. Opened a BZ [1] for it. Will post a fix
> >
> > [1] https://bugzilla.redhat.com/show_bug.cgi?id=1571300
>
> Can this possibly cause a surprise termination of host connection?
>

Not sure, from the logs VDS_FENCE is the only other VDS lock that is being
released
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