# Pastebin 7FhCI6LB
DEBUG cotyledon._service [-] Run service ServiceWrapper(0) [636550] {{(pid=636550) wait_forever /opt/stack/data/venv/lib/python3.12/site-packages/cotyledon/_service.py:263}}
DEBUG ironic.conductor.base_manager [None req-29584af6-b9a2-4ee3-aded-7debb77ec80f None None] Initializing database client for devstack. {{(pid=636550) prepare_host /opt/stack/ironic/ironic/conductor/base_manager.py:93}}
DEBUG ironic.conductor.base_manager [None req-29584af6-b9a2-4ee3-aded-7debb77ec80f None None] Removing stale locks from the database matching this conductor's hostname: devstack {{(pid=636550) prepare_host /opt/stack/ironic/ironic/conductor/base_manager.py:95}}
INFO dbcounter [None req-29584af6-b9a2-4ee3-aded-7debb77ec80f None None] Registered counter for database ironic
DEBUG oslo_db.sqlalchemy.engines [None req-29584af6-b9a2-4ee3-aded-7debb77ec80f None None] MySQL server mode set to STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_ENGINE_SUBSTITUTION {{(pid=636550) _check_effective_sql_mode /opt/stack/data/venv/lib/python3.12/site-packages/oslo_db/sqlalchemy/engines.py:397}}
DEBUG dbcounter [-] [636550] Writer thread running {{(pid=636550) stat_writer /opt/stack/data/venv/lib/python3.12/site-packages/dbcounter.py:102}}
Traceback (most recent call last):
  File "/opt/stack/data/venv/lib/python3.12/site-packages/oslo_service/backend/threading/service.py", line 82, in run
    self.service_instance.start()
  File "/opt/stack/ironic/ironic/common/rpc_service.py", line 61, in start
    self._real_start()
  File "/opt/stack/ironic/ironic/conductor/rpc_service.py", line 37, in _real_start
    super()._real_start()
  File "/opt/stack/ironic/ironic/common/rpc_service.py", line 88, in _real_start
    self.handle_signal()
  File "/opt/stack/ironic/ironic/conductor/rpc_service.py", line 139, in handle_signal
    signal.signal(signal.SIGUSR1, self._handle_no_deregister)
  File "/usr/lib/python3.12/signal.py", line 58, in signal
    handler = _signal.signal(_enum_to_int(signalnum), _enum_to_int(handler))
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ValueError: signal only works in main thread of the main interpreter
INFO cotyledon._service_manager [-] Child 636550 exited with status 1