+ exec manila-scheduler --config-file /etc/manila/manila.conf 2026-08-06 07:55:46.382 1 INFO manila.service [-] Starting manila-scheduler node (version 16.3.1) 2026-08-06 07:55:54.822 1 INFO manila.message.api [None req-59513dcf-f45b-4b14-9017-5b388dcfa235 - - - - - -] Deleted 0 expired messages. 2026-08-06 08:17:20.110 1 ERROR manila.service [None req-5b78ef6b-bacf-4dbd-a954-464858bcb71c - - - - - -] model server went away: oslo_db.exception.DBConnectionError: (pymysql.err.OperationalError) (2003, "Can't connect to MySQL server on 'percona-xtradb-haproxy.openstack.svc.cluster.local' ([Errno -2] Name or service not known)") (Background on this error at: https://sqlalche.me/e/14/e3q8) 2026-08-06 08:17:20.110 1 ERROR manila.service Traceback (most recent call last): 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/eventlet/support/greendns.py", line 450, in resolve 2026-08-06 08:17:20.110 1 ERROR manila.service return _proxy.query(name, rdtype, raise_on_no_answer=raises, 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/eventlet/support/greendns.py", line 406, in query 2026-08-06 08:17:20.110 1 ERROR manila.service return end() 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/eventlet/support/greendns.py", line 385, in end 2026-08-06 08:17:20.110 1 ERROR manila.service raise result[1] 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/eventlet/support/greendns.py", line 366, in step 2026-08-06 08:17:20.110 1 ERROR manila.service a = fun(*args, **kwargs) 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/dns/resolver.py", line 1110, in query 2026-08-06 08:17:20.110 1 ERROR manila.service return self.resolve(qname, rdtype, rdclass, tcp, source, 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/dns/resolver.py", line 1063, in resolve 2026-08-06 08:17:20.110 1 ERROR manila.service (nameserver, port, tcp, backoff) = resolution.next_nameserver() 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/dns/resolver.py", line 646, in next_nameserver 2026-08-06 08:17:20.110 1 ERROR manila.service raise NoNameservers(request=self.request, errors=self.errors) 2026-08-06 08:17:20.110 1 ERROR manila.service dns.resolver.NoNameservers: All nameservers failed to answer the query percona-xtradb-haproxy.openstack.svc.cluster.local.openstacklocal. IN A: Server 10.96.0.10 UDP port 53 answered The DNS operation timed out.; Server 10.96.0.10 UDP port 53 answered SERVFAIL 2026-08-06 08:17:20.110 1 ERROR manila.service 2026-08-06 08:17:20.110 1 ERROR manila.service During handling of the above exception, another exception occurred: 2026-08-06 08:17:20.110 1 ERROR manila.service 2026-08-06 08:17:20.110 1 ERROR manila.service Traceback (most recent call last): 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/pymysql/connections.py", line 613, in connect 2026-08-06 08:17:20.110 1 ERROR manila.service sock = socket.create_connection( 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/eventlet/green/socket.py", line 44, in create_connection 2026-08-06 08:17:20.110 1 ERROR manila.service for res in getaddrinfo(host, port, 0, SOCK_STREAM): 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/eventlet/support/greendns.py", line 543, in getaddrinfo 2026-08-06 08:17:20.110 1 ERROR manila.service qname, addrs = _getaddrinfo_lookup(host, family, flags) 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/eventlet/support/greendns.py", line 516, in _getaddrinfo_lookup 2026-08-06 08:17:20.110 1 ERROR manila.service raise err 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/eventlet/support/greendns.py", line 505, in _getaddrinfo_lookup 2026-08-06 08:17:20.110 1 ERROR manila.service answer = resolve(host, qfamily, False, use_network=use_network) 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/eventlet/support/greendns.py", line 460, in resolve 2026-08-06 08:17:20.110 1 ERROR manila.service raise EAI_NODATA_ERROR 2026-08-06 08:17:20.110 1 ERROR manila.service socket.gaierror: [Errno -2] Name or service not known 2026-08-06 08:17:20.110 1 ERROR manila.service 2026-08-06 08:17:20.110 1 ERROR manila.service During handling of the above exception, another exception occurred: 2026-08-06 08:17:20.110 1 ERROR manila.service 2026-08-06 08:17:20.110 1 ERROR manila.service Traceback (most recent call last): 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 3361, in _wrap_pool_connect 2026-08-06 08:17:20.110 1 ERROR manila.service return fn() 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/pool/base.py", line 320, in connect 2026-08-06 08:17:20.110 1 ERROR manila.service return _ConnectionFairy._checkout(self) 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/pool/base.py", line 884, in _checkout 2026-08-06 08:17:20.110 1 ERROR manila.service fairy = _ConnectionRecord.checkout(pool) 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/pool/base.py", line 486, in checkout 2026-08-06 08:17:20.110 1 ERROR manila.service rec = pool._do_get() 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/pool/impl.py", line 145, in _do_get 2026-08-06 08:17:20.110 1 ERROR manila.service with util.safe_reraise(): 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/util/langhelpers.py", line 70, in __exit__ 2026-08-06 08:17:20.110 1 ERROR manila.service compat.raise_( 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/util/compat.py", line 208, in raise_ 2026-08-06 08:17:20.110 1 ERROR manila.service raise exception 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/pool/impl.py", line 143, in _do_get 2026-08-06 08:17:20.110 1 ERROR manila.service return self._create_connection() 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/pool/base.py", line 266, in _create_connection 2026-08-06 08:17:20.110 1 ERROR manila.service return _ConnectionRecord(self) 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/pool/base.py", line 381, in __init__ 2026-08-06 08:17:20.110 1 ERROR manila.service self.__connect() 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/pool/base.py", line 677, in __connect 2026-08-06 08:17:20.110 1 ERROR manila.service with util.safe_reraise(): 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/util/langhelpers.py", line 70, in __exit__ 2026-08-06 08:17:20.110 1 ERROR manila.service compat.raise_( 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/util/compat.py", line 208, in raise_ 2026-08-06 08:17:20.110 1 ERROR manila.service raise exception 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/pool/base.py", line 673, in __connect 2026-08-06 08:17:20.110 1 ERROR manila.service self.dbapi_connection = connection = pool._invoke_creator(self) 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/engine/create.py", line 578, in connect 2026-08-06 08:17:20.110 1 ERROR manila.service return dialect.connect(*cargs, **cparams) 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/engine/default.py", line 598, in connect 2026-08-06 08:17:20.110 1 ERROR manila.service return self.dbapi.connect(*cargs, **cparams) 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/pymysql/connections.py", line 353, in __init__ 2026-08-06 08:17:20.110 1 ERROR manila.service self.connect() 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/pymysql/connections.py", line 664, in connect 2026-08-06 08:17:20.110 1 ERROR manila.service raise exc 2026-08-06 08:17:20.110 1 ERROR manila.service pymysql.err.OperationalError: (2003, "Can't connect to MySQL server on 'percona-xtradb-haproxy.openstack.svc.cluster.local' ([Errno -2] Name or service not known)") 2026-08-06 08:17:20.110 1 ERROR manila.service 2026-08-06 08:17:20.110 1 ERROR manila.service The above exception was the direct cause of the following exception: 2026-08-06 08:17:20.110 1 ERROR manila.service 2026-08-06 08:17:20.110 1 ERROR manila.service Traceback (most recent call last): 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/manila/service.py", line 292, in report_state 2026-08-06 08:17:20.110 1 ERROR manila.service service_ref = db.service_get(ctxt, self.service_id) 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/manila/db/api.py", line 90, in service_get 2026-08-06 08:17:20.110 1 ERROR manila.service return IMPL.service_get(context, service_id) 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/manila/db/sqlalchemy/api.py", line 154, in wrapper 2026-08-06 08:17:20.110 1 ERROR manila.service return f(*args, **kwargs) 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/oslo_db/sqlalchemy/enginefacade.py", line 1044, in wrapper 2026-08-06 08:17:20.110 1 ERROR manila.service return fn(*args, **kwargs) 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/manila/db/sqlalchemy/api.py", line 542, in service_get 2026-08-06 08:17:20.110 1 ERROR manila.service return _service_get(context, service_id) 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/manila/db/sqlalchemy/api.py", line 154, in wrapper 2026-08-06 08:17:20.110 1 ERROR manila.service return f(*args, **kwargs) 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/manila/db/sqlalchemy/api.py", line 531, in _service_get 2026-08-06 08:17:20.110 1 ERROR manila.service ).first() 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/orm/query.py", line 2823, in first 2026-08-06 08:17:20.110 1 ERROR manila.service return self.limit(1)._iter().first() 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/orm/query.py", line 2907, in _iter 2026-08-06 08:17:20.110 1 ERROR manila.service result = self.session.execute( 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/orm/session.py", line 1706, in execute 2026-08-06 08:17:20.110 1 ERROR manila.service conn = self._connection_for_bind(bind, close_with_result=True) 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/orm/session.py", line 1552, in _connection_for_bind 2026-08-06 08:17:20.110 1 ERROR manila.service return self._transaction._connection_for_bind( 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/orm/session.py", line 747, in _connection_for_bind 2026-08-06 08:17:20.110 1 ERROR manila.service conn = bind.connect() 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 3315, in connect 2026-08-06 08:17:20.110 1 ERROR manila.service return self._connection_cls(self, close_with_result=close_with_result) 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 96, in __init__ 2026-08-06 08:17:20.110 1 ERROR manila.service else engine.raw_connection() 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 3394, in raw_connection 2026-08-06 08:17:20.110 1 ERROR manila.service return self._wrap_pool_connect(self.pool.connect, _connection) 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 3364, in _wrap_pool_connect 2026-08-06 08:17:20.110 1 ERROR manila.service Connection._handle_dbapi_exception_noconnection( 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 2196, in _handle_dbapi_exception_noconnection 2026-08-06 08:17:20.110 1 ERROR manila.service util.raise_(newraise, with_traceback=exc_info[2], from_=e) 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/util/compat.py", line 208, in raise_ 2026-08-06 08:17:20.110 1 ERROR manila.service raise exception 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 3361, in _wrap_pool_connect 2026-08-06 08:17:20.110 1 ERROR manila.service return fn() 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/pool/base.py", line 320, in connect 2026-08-06 08:17:20.110 1 ERROR manila.service return _ConnectionFairy._checkout(self) 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/pool/base.py", line 884, in _checkout 2026-08-06 08:17:20.110 1 ERROR manila.service fairy = _ConnectionRecord.checkout(pool) 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/pool/base.py", line 486, in checkout 2026-08-06 08:17:20.110 1 ERROR manila.service rec = pool._do_get() 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/pool/impl.py", line 145, in _do_get 2026-08-06 08:17:20.110 1 ERROR manila.service with util.safe_reraise(): 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/util/langhelpers.py", line 70, in __exit__ 2026-08-06 08:17:20.110 1 ERROR manila.service compat.raise_( 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/util/compat.py", line 208, in raise_ 2026-08-06 08:17:20.110 1 ERROR manila.service raise exception 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/pool/impl.py", line 143, in _do_get 2026-08-06 08:17:20.110 1 ERROR manila.service return self._create_connection() 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/pool/base.py", line 266, in _create_connection 2026-08-06 08:17:20.110 1 ERROR manila.service return _ConnectionRecord(self) 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/pool/base.py", line 381, in __init__ 2026-08-06 08:17:20.110 1 ERROR manila.service self.__connect() 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/pool/base.py", line 677, in __connect 2026-08-06 08:17:20.110 1 ERROR manila.service with util.safe_reraise(): 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/util/langhelpers.py", line 70, in __exit__ 2026-08-06 08:17:20.110 1 ERROR manila.service compat.raise_( 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/util/compat.py", line 208, in raise_ 2026-08-06 08:17:20.110 1 ERROR manila.service raise exception 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/pool/base.py", line 673, in __connect 2026-08-06 08:17:20.110 1 ERROR manila.service self.dbapi_connection = connection = pool._invoke_creator(self) 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/engine/create.py", line 578, in connect 2026-08-06 08:17:20.110 1 ERROR manila.service return dialect.connect(*cargs, **cparams) 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/engine/default.py", line 598, in connect 2026-08-06 08:17:20.110 1 ERROR manila.service return self.dbapi.connect(*cargs, **cparams) 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/pymysql/connections.py", line 353, in __init__ 2026-08-06 08:17:20.110 1 ERROR manila.service self.connect() 2026-08-06 08:17:20.110 1 ERROR manila.service File "/var/lib/openstack/lib/python3.10/site-packages/pymysql/connections.py", line 664, in connect 2026-08-06 08:17:20.110 1 ERROR manila.service raise exc 2026-08-06 08:17:20.110 1 ERROR manila.service oslo_db.exception.DBConnectionError: (pymysql.err.OperationalError) (2003, "Can't connect to MySQL server on 'percona-xtradb-haproxy.openstack.svc.cluster.local' ([Errno -2] Name or service not known)") 2026-08-06 08:17:20.110 1 ERROR manila.service (Background on this error at: https://sqlalche.me/e/14/e3q8) 2026-08-06 08:17:20.110 1 ERROR manila.service  2026-08-06 08:17:20.630 1 ERROR manila.service [None req-5b78ef6b-bacf-4dbd-a954-464858bcb71c - - - - - -] Recovered model server connection! 2026-08-06 08:29:58.768 1 WARNING oslo.service.loopingcall [None req-5b78ef6b-bacf-4dbd-a954-464858bcb71c - - - - - -] Function 'manila.service.Service.report_state' run outlasted interval by 7.64 sec 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines [None req-5b78ef6b-bacf-4dbd-a954-464858bcb71c - - - - - -] Database connection was found disconnected; reconnecting: oslo_db.exception.DBConnectionError: (pymysql.err.OperationalError) (2013, 'Lost connection to MySQL server during query') [SQL: SELECT 1] (Background on this error at: https://sqlalche.me/e/14/e3q8) 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines Traceback (most recent call last): 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 1900, in _execute_context 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines self.dialect.do_execute( 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/engine/default.py", line 736, in do_execute 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines cursor.execute(statement, parameters) 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines File "/var/lib/openstack/lib/python3.10/site-packages/pymysql/cursors.py", line 148, in execute 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines result = self._query(query) 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines File "/var/lib/openstack/lib/python3.10/site-packages/pymysql/cursors.py", line 310, in _query 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines conn.query(q) 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines File "/var/lib/openstack/lib/python3.10/site-packages/pymysql/connections.py", line 548, in query 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines self._affected_rows = self._read_query_result(unbuffered=unbuffered) 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines File "/var/lib/openstack/lib/python3.10/site-packages/pymysql/connections.py", line 775, in _read_query_result 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines result.read() 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines File "/var/lib/openstack/lib/python3.10/site-packages/pymysql/connections.py", line 1156, in read 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines first_packet = self.connection._read_packet() 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines File "/var/lib/openstack/lib/python3.10/site-packages/pymysql/connections.py", line 692, in _read_packet 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines packet_header = self._read_bytes(4) 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines File "/var/lib/openstack/lib/python3.10/site-packages/pymysql/connections.py", line 748, in _read_bytes 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines raise err.OperationalError( 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines pymysql.err.OperationalError: (2013, 'Lost connection to MySQL server during query') 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines The above exception was the direct cause of the following exception: 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines Traceback (most recent call last): 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines File "/var/lib/openstack/lib/python3.10/site-packages/oslo_db/sqlalchemy/engines.py", line 74, in _connect_ping_listener 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines connection.scalar(select(1)) 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 1262, in scalar 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines return self.execute(object_, *multiparams, **params).scalar() 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 1380, in execute 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines return meth(self, multiparams, params, _EMPTY_EXECUTION_OPTS) 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/sql/elements.py", line 333, in _execute_on_connection 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines return connection._execute_clauseelement( 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 1572, in _execute_clauseelement 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines ret = self._execute_context( 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 1943, in _execute_context 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines self._handle_dbapi_exception( 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 2122, in _handle_dbapi_exception 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines util.raise_(newraise, with_traceback=exc_info[2], from_=e) 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/util/compat.py", line 208, in raise_ 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines raise exception 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 1900, in _execute_context 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines self.dialect.do_execute( 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines File "/var/lib/openstack/lib/python3.10/site-packages/sqlalchemy/engine/default.py", line 736, in do_execute 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines cursor.execute(statement, parameters) 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines File "/var/lib/openstack/lib/python3.10/site-packages/pymysql/cursors.py", line 148, in execute 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines result = self._query(query) 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines File "/var/lib/openstack/lib/python3.10/site-packages/pymysql/cursors.py", line 310, in _query 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines conn.query(q) 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines File "/var/lib/openstack/lib/python3.10/site-packages/pymysql/connections.py", line 548, in query 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines self._affected_rows = self._read_query_result(unbuffered=unbuffered) 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines File "/var/lib/openstack/lib/python3.10/site-packages/pymysql/connections.py", line 775, in _read_query_result 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines result.read() 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines File "/var/lib/openstack/lib/python3.10/site-packages/pymysql/connections.py", line 1156, in read 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines first_packet = self.connection._read_packet() 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines File "/var/lib/openstack/lib/python3.10/site-packages/pymysql/connections.py", line 692, in _read_packet 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines packet_header = self._read_bytes(4) 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines File "/var/lib/openstack/lib/python3.10/site-packages/pymysql/connections.py", line 748, in _read_bytes 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines raise err.OperationalError( 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines oslo_db.exception.DBConnectionError: (pymysql.err.OperationalError) (2013, 'Lost connection to MySQL server during query') 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines [SQL: SELECT 1] 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines (Background on this error at: https://sqlalche.me/e/14/e3q8) 2026-08-06 08:30:28.794 1 ERROR oslo_db.sqlalchemy.engines