[Bug 1985062] [NEW] ovsdbapp ssl send socket error

Launchpad Bug Tracker 1985062 at bugs.launchpad.net
Wed Sep 28 00:28:03 UTC 2022 

You have been subscribed to a public bug by Ubuntu Foundations Team Bug Bot (crichton):

ovsdbapps are sometimes failing with the following callstack:

2022-08-10 00:00:22.087 646221 ERROR ovsdbapp.backend.ovs_idl.connection [req-d6abd5b4-69aa-4a93-ab42-82d80e75500e - - - - -] non-zero flags not allowed in calls to send() on <class 'eventlet.green.ssl.GreenSSLSocket'>: ValueError: non-zero flags not allowed in calls to send() on <class 'eventlet.green.ssl.GreenSSLSocket'>
2022-08-10 00:00:22.087 646221 ERROR ovsdbapp.backend.ovs_idl.connection Traceback (most recent call last):
2022-08-10 00:00:22.087 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/ovsdbapp/backend/ovs_idl/connection.py", line 107, in run
2022-08-10 00:00:22.087 646221 ERROR ovsdbapp.backend.ovs_idl.connection     self.idl.run()
2022-08-10 00:00:22.087 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/ovs/db/idl.py", line 433, in run
2022-08-10 00:00:22.087 646221 ERROR ovsdbapp.backend.ovs_idl.connection     self._session.run()
2022-08-10 00:00:22.087 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/ovs/jsonrpc.py", line 519, in run
2022-08-10 00:00:22.087 646221 ERROR ovsdbapp.backend.ovs_idl.connection     error = self.stream.connect()
2022-08-10 00:00:22.087 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/ovs/stream.py", line 817, in connect
2022-08-10 00:00:22.087 646221 ERROR ovsdbapp.backend.ovs_idl.connection     retval = super(SSLStream, self).connect()
2022-08-10 00:00:22.087 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/ovs/stream.py", line 300, in connect
2022-08-10 00:00:22.087 646221 ERROR ovsdbapp.backend.ovs_idl.connection     self.__scs_connecting()
2022-08-10 00:00:22.087 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/ovs/stream.py", line 268, in __scs_connecting
2022-08-10 00:00:22.087 646221 ERROR ovsdbapp.backend.ovs_idl.connection     retval = self.check_connection_completion(self.socket)
2022-08-10 00:00:22.087 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/ovs/stream.py", line 777, in check_connection_completion
2022-08-10 00:00:22.087 646221 ERROR ovsdbapp.backend.ovs_idl.connection     return Stream.check_connection_completion(sock)
2022-08-10 00:00:22.087 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/ovs/stream.py", line 137, in check_connection_completion
2022-08-10 00:00:22.087 646221 ERROR ovsdbapp.backend.ovs_idl.connection     return ovs.socket_util.check_connection_completion(sock)
2022-08-10 00:00:22.087 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/ovs/socket_util.py", line 181, in check_connection_completion
2022-08-10 00:00:22.087 646221 ERROR ovsdbapp.backend.ovs_idl.connection     sock.send("\0".encode(), socket.MSG_DONTWAIT)
2022-08-10 00:00:22.087 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/eventlet/green/ssl.py", line 193, in send
2022-08-10 00:00:22.087 646221 ERROR ovsdbapp.backend.ovs_idl.connection     return self._call_trampolining(
2022-08-10 00:00:22.087 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/eventlet/green/ssl.py", line 157, in _call_trampolining
2022-08-10 00:00:22.087 646221 ERROR ovsdbapp.backend.ovs_idl.connection     return func(*a, **kw)
2022-08-10 00:00:22.087 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3.8/ssl.py", line 1170, in send
2022-08-10 00:00:22.087 646221 ERROR ovsdbapp.backend.ovs_idl.connection     raise ValueError(
2022-08-10 00:00:22.087 646221 ERROR ovsdbapp.backend.ovs_idl.connection ValueError: non-zero flags not allowed in calls to send() on <class 'eventlet.green.ssl.GreenSSLSocket'>
2022-08-10 00:00:22.087 646221 ERROR ovsdbapp.backend.ovs_idl.connection 
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection [req-d6abd5b4-69aa-4a93-ab42-82d80e75500e - - - - -] non-zero flags not allowed in calls to send() on <class 'eventlet.green.ssl.GreenSSLSocket'>: ValueError: non-zero flags not allowed in calls to send() on <class 'eventlet.green.ssl.GreenSSLSocket'>
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection Traceback (most recent call last):
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/ovsdbapp/backend/ovs_idl/connection.py", line 107, in run
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection     self.idl.run()
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/ovs/db/idl.py", line 433, in run
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection     self._session.run()
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/ovs/jsonrpc.py", line 519, in run
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection     error = self.stream.connect()
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/ovs/stream.py", line 817, in connect
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection     retval = super(SSLStream, self).connect()
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/ovs/stream.py", line 300, in connect
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection     self.__scs_connecting()
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/ovs/stream.py", line 268, in __scs_connecting
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection     retval = self.check_connection_completion(self.socket)
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/ovs/stream.py", line 777, in check_connection_completion
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection     return Stream.check_connection_completion(sock)
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/ovs/stream.py", line 137, in check_connection_completion
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection     return ovs.socket_util.check_connection_completion(sock)
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/ovs/socket_util.py", line 181, in check_connection_completion
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection     sock.send("\0".encode(), socket.MSG_DONTWAIT)
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/eventlet/green/ssl.py", line 193, in send
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection     return self._call_trampolining(
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/eventlet/green/ssl.py", line 157, in _call_trampolining
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection     return func(*a, **kw)
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3.8/ssl.py", line 1170, in send
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection     raise ValueError(
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection ValueError: non-zero flags not allowed in calls to send() on <class 'eventlet.green.ssl.GreenSSLSocket'>
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection 
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection During handling of the above exception, another exception occurred:
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection 
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection Traceback (most recent call last):
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/ovsdbapp/backend/ovs_idl/connection.py", line 116, in run
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection     idlutils.wait_for_change(self.idl, self.timeout)
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/impl_idl_ovn.py", line 51, in wait_for_change
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection     while idl_.change_seqno == seqno and not idl_.run():
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/ovs/db/idl.py", line 433, in run
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection     self._session.run()
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/ovs/jsonrpc.py", line 519, in run
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection     error = self.stream.connect()
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/ovs/stream.py", line 817, in connect
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection     retval = super(SSLStream, self).connect()
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/ovs/stream.py", line 300, in connect
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection     self.__scs_connecting()
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/ovs/stream.py", line 268, in __scs_connecting
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection     retval = self.check_connection_completion(self.socket)
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/ovs/stream.py", line 777, in check_connection_completion
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection     return Stream.check_connection_completion(sock)
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/ovs/stream.py", line 137, in check_connection_completion
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection     return ovs.socket_util.check_connection_completion(sock)
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/ovs/socket_util.py", line 181, in check_connection_completion
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection     sock.send("\0".encode(), socket.MSG_DONTWAIT)
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/eventlet/green/ssl.py", line 193, in send
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection     return self._call_trampolining(
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3/dist-packages/eventlet/green/ssl.py", line 157, in _call_trampolining
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection     return func(*a, **kw)
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection   File "/usr/lib/python3.8/ssl.py", line 1170, in send
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection     raise ValueError(
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection ValueError: non-zero flags not allowed in calls to send() on <class 'eventlet.green.ssl.GreenSSLSocket'>
2022-08-10 00:00:22.088 646221 ERROR ovsdbapp.backend.ovs_idl.connection 
2022-08-10 00:00:22.089 646221 INFO ovsdbapp.backend.ovs_idl.connection [req-d6abd5b4-69aa-4a93-ab42-82d80e75500e - - - - -] Trying to recover, sleeping 60 seconds

The following relevant OVS packages are installed

root at ps5-rb1-n1:~# dpkg -l | grep openvswitch
ii  openvswitch-common                    2.17.2-0ubuntu0                                      amd64        Open vSwitch common components
ii  openvswitch-switch                    2.17.2-0ubuntu0                                      amd64        Open vSwitch switch implementations
ii  python3-openvswitch                   2.17.2-0ubuntu0                                      amd64        Python 3 bindings for Open vSwitch

This should be fixed by the following patch proposed but not yet commited upstream:
https://patchwork.ozlabs.org/project/openvswitch/patch/20220808173242.955238-1-mtomaska@redhat.com/

** Affects: openvswitch
     Importance: Undecided
         Status: New

** Affects: openvswitch (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: openvswitch (Ubuntu Jammy)
     Importance: Undecided
         Status: New

** Affects: openvswitch (Ubuntu Kinetic)
     Importance: Undecided
         Status: New


** Tags: ovs patch
-- 
ovsdbapp ssl send socket error
https://bugs.launchpad.net/bugs/1985062
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