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[Akihiro Motoki <1811506@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

It looks like a neutron-fwaas version of bug 1810518.

http://logs.openstack.org/82/527282/8/check/legacy-neutron-fwaas-dsvm-
functional/e6d294b/

ft2.1: neutron_fwaas.tests.functional.privileged.test_netlink_lib.NetlinkLibTestCaseIPv6.test_flush_entries_StringException: Traceback (most recent call last):
  File "/opt/stack/new/neutron-fwaas/.tox/dsvm-functional/local/lib/python2.7/site-packages/neutron/tests/base.py", line 150, in func
    return f(self, *args, **kwargs)
  File "neutron_fwaas/tests/functional/privileged/test_netlink_lib.py", line 185, in test_flush_entries
    nl_lib.flush_entries(namespace)
  File "/opt/stack/new/neutron-fwaas/.tox/dsvm-functional/local/lib/python2.7/site-packages/oslo_privsep/priv_context.py", line 214, in _wrap
    return self.channel.remote_call(name, args, kwargs)
  File "/opt/stack/new/neutron-fwaas/.tox/dsvm-functional/local/lib/python2.7/site-packages/oslo_privsep/daemon.py", line 194, in remote_call
    result = self.send_recv((Message.CALL.value, name, args, kwargs))
  File "/opt/stack/new/neutron-fwaas/.tox/dsvm-functional/local/lib/python2.7/site-packages/oslo_privsep/comm.py", line 163, in send_recv
    self.writer.send((myid, msg))
  File "/opt/stack/new/neutron-fwaas/.tox/dsvm-functional/local/lib/python2.7/site-packages/oslo_privsep/comm.py", line 55, in send
    self.writesock.sendall(buf)
  File "/opt/stack/new/neutron-fwaas/.tox/dsvm-functional/local/lib/python2.7/site-packages/eventlet/greenio/base.py", line 401, in sendall
    tail = self.send(data, flags)
  File "/opt/stack/new/neutron-fwaas/.tox/dsvm-functional/local/lib/python2.7/site-packages/eventlet/greenio/base.py", line 395, in send
    return self._send_loop(self.fd.send, data, flags)
  File "/opt/stack/new/neutron-fwaas/.tox/dsvm-functional/local/lib/python2.7/site-packages/eventlet/greenio/base.py", line 382, in _send_loop
    return send_method(data, *args)
socket.error: [Errno 32] Broken pipe

I also see segfault in syslog.

kernel: privsep-helper[1477]: segfault at 740f9ac0 ip 00007f8e71f69a32
sp 00007f8e7af2d428 error 6 in
libnetfilter_conntrack.so.3.5.0[7f8e71f62000+1a000]

** Affects: neutron
     Importance: Critical
         Status: New


** Tags: gate-failure

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https://bugs.launchpad.net/bugs/1811506

Title:
  neutron-fwaas-dsvm-functional tests failing with oslo.privsep 1.31

Status in neutron:
  New

Bug description:
  It looks like a neutron-fwaas version of bug 1810518.

  http://logs.openstack.org/82/527282/8/check/legacy-neutron-fwaas-dsvm-
  functional/e6d294b/

  ft2.1: neutron_fwaas.tests.functional.privileged.test_netlink_lib.NetlinkLibTestCaseIPv6.test_flush_entries_StringException: Traceback (most recent call last):
    File "/opt/stack/new/neutron-fwaas/.tox/dsvm-functional/local/lib/python2.7/site-packages/neutron/tests/base.py", line 150, in func
      return f(self, *args, **kwargs)
    File "neutron_fwaas/tests/functional/privileged/test_netlink_lib.py", line 185, in test_flush_entries
      nl_lib.flush_entries(namespace)
    File "/opt/stack/new/neutron-fwaas/.tox/dsvm-functional/local/lib/python2.7/site-packages/oslo_privsep/priv_context.py", line 214, in _wrap
      return self.channel.remote_call(name, args, kwargs)
    File "/opt/stack/new/neutron-fwaas/.tox/dsvm-functional/local/lib/python2.7/site-packages/oslo_privsep/daemon.py", line 194, in remote_call
      result = self.send_recv((Message.CALL.value, name, args, kwargs))
    File "/opt/stack/new/neutron-fwaas/.tox/dsvm-functional/local/lib/python2.7/site-packages/oslo_privsep/comm.py", line 163, in send_recv
      self.writer.send((myid, msg))
    File "/opt/stack/new/neutron-fwaas/.tox/dsvm-functional/local/lib/python2.7/site-packages/oslo_privsep/comm.py", line 55, in send
      self.writesock.sendall(buf)
    File "/opt/stack/new/neutron-fwaas/.tox/dsvm-functional/local/lib/python2.7/site-packages/eventlet/greenio/base.py", line 401, in sendall
      tail = self.send(data, flags)
    File "/opt/stack/new/neutron-fwaas/.tox/dsvm-functional/local/lib/python2.7/site-packages/eventlet/greenio/base.py", line 395, in send
      return self._send_loop(self.fd.send, data, flags)
    File "/opt/stack/new/neutron-fwaas/.tox/dsvm-functional/local/lib/python2.7/site-packages/eventlet/greenio/base.py", line 382, in _send_loop
      return send_method(data, *args)
  socket.error: [Errno 32] Broken pipe

  I also see segfault in syslog.

  kernel: privsep-helper[1477]: segfault at 740f9ac0 ip 00007f8e71f69a32
  sp 00007f8e7af2d428 error 6 in
  libnetfilter_conntrack.so.3.5.0[7f8e71f62000+1a000]

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