[ovirt-devel] [VDSM] New network test failing randomly on jenkins

[Dan Kenigsberg]

On Sun, Apr 10, 2016 at 10:50:48AM +0300, Nir Soffer wrote:
> בתאריך 10 באפר׳ 2016 9:49 לפנה״צ,‏ "Dan Kenigsberg" <danken at redhat.com> כתב:
> >
> > On Fri, Apr 08, 2016 at 11:25:55PM +0300, Nir Soffer wrote:
> > > Hi all,
> > >
> > > I found this failure today, hopefully our network guys can look into
> this.
> > >
> > > 21:06:22
> ======================================================================
> > > 21:06:22 ERROR: test_local_auto_with_dynamic_address_from_ra
> > > (network.netinfo_test.TestIPv6Addresses)
> > > 21:06:22
> ----------------------------------------------------------------------
> > > 21:06:22 Traceback (most recent call last):
> > > 21:06:22   File
> > >
> "/home/jenkins/workspace/vdsm_master_check-patch-fc23-x86_64/vdsm/tests/testValidation.py",
> > > line 97, in wrapper
> > > 21:06:22     return f(*args, **kwargs)
> > > 21:06:22   File
> > >
> "/home/jenkins/workspace/vdsm_master_check-patch-fc23-x86_64/vdsm/tests/network/netinfo_test.py",
> > > line 442, in test_local_auto_with_dynamic_address_from_ra
> > > 21:06:22     self.assertEqual('link', ip_addrs[1]['scope'])
> > > 21:06:22   File "/usr/lib64/python2.7/contextlib.py", line 24, in
> __exit__
> > > 21:06:22     self.gen.next()
> > > 21:06:22   File
> > >
> "/home/jenkins/workspace/vdsm_master_check-patch-fc23-x86_64/vdsm/tests/network/nettestlib.py",
> > > line 405, in dnsmasq_run
> > > 21:06:22     server.stop()
> > > 21:06:22   File "/usr/lib64/python2.7/contextlib.py", line 24, in
> __exit__
> > > 21:06:22     self.gen.next()
> > > 21:06:22   File
> > >
> "/home/jenkins/workspace/vdsm_master_check-patch-fc23-x86_64/vdsm/tests/network/firewall.py",
> > > line 45, in allow_dhcp
> > > 21:06:22     _forbid_dhcp(iface)
> > > 21:06:22   File
> > >
> "/home/jenkins/workspace/vdsm_master_check-patch-fc23-x86_64/vdsm/tests/network/firewall.py",
> > > line 88, in _forbid_dhcp
> > > 21:06:22     '547', '-j', 'ACCEPT'])  # DHCPv6
> > > 21:06:22   File
> > >
> "/home/jenkins/workspace/vdsm_master_check-patch-fc23-x86_64/vdsm/tests/network/firewall.py",
> > > line 106, in _execCmdChecker
> > > 21:06:22     command, out, err))
> > > 21:06:22 FirewallError: Command ['/sbin/iptables', '-D', 'INPUT',
> > > '-i', 'veth_XnInLA4lQQ', '-p', 'udp', '--sport', '546', '--dport',
> > > '547', '-j', 'ACCEPT'] failed with []; ['Another app is currently
> > > holding the xtables lock. Perhaps you want to use the -w option?']
> >
> > Thanks Nir. I hope that https://gerrit.ovirt.org/55904 would solve the
> > issue.
> 
> Interesting, looks like ci exposed a real bug this time.

heh, that happens some times. but this time the bug is in test-only
code, so I'm not sure if it counts as "real".