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

[Dan Kenigsberg]

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.