:farmer: ros2topic.pytest.missing_result test consistently times out on Lyrical

Generated by Generative AI

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Operating System:

ubuntu Resolute

ROS version or commit hash:

Lyrical

RMW implementation (if applicable):

No response

RMW Configuration (if applicable):

No response

Client library (if applicable):

No response

'ros2 doctor --report' output

Steps to reproduce issue

1. Go to any of the jobs listed below
2. Build a job
3. See test failing

Expected behavior

Build without issues

Actual behavior

Tests timing out

Additional information

Reference Build

• Lci__nightly-debug_ubuntu_resolute_amd64#34
• Lci__nightly-connext_ubuntu_resolute_amd64#33

Failing tests

• ros2topic.pytest.missing_result

Log Output

~~~~~~~~~~~~~~~~~~~~ Stack of MainThread (123814333187904) ~~~~~~~~~~~~~~~~~~~~~
  File "<frozen runpy>", line 198, in _run_module_as_main
  File "<frozen runpy>", line 88, in _run_code
  File "/usr/lib/python3/dist-packages/pytest/__main__.py", line 9, in <module>
    raise SystemExit(pytest.console_main())
  File "/usr/lib/python3/dist-packages/_pytest/config/__init__.py", line 223, in console_main
    code = main()
  File "/usr/lib/python3/dist-packages/_pytest/config/__init__.py", line 199, in main
    ret: ExitCode | int = config.hook.pytest_cmdline_main(config=config)
  File "/usr/lib/python3/dist-packages/pluggy/_hooks.py", line 512, in __call__
    return self._hookexec(self.name, self._hookimpls.copy(), kwargs, firstresult)
  File "/usr/lib/python3/dist-packages/pluggy/_manager.py", line 120, in _hookexec
    return self._inner_hookexec(hook_name, methods, kwargs, firstresult)
  File "/usr/lib/python3/dist-packages/pluggy/_callers.py", line 121, in _multicall
    res = hook_impl.function(*args)
  File "/usr/lib/python3/dist-packages/_pytest/main.py", line 365, in pytest_cmdline_main
    return wrap_session(config, _main)
  File "/usr/lib/python3/dist-packages/_pytest/main.py", line 318, in wrap_session
    session.exitstatus = doit(config, session) or 0
  File "/usr/lib/python3/dist-packages/_pytest/main.py", line 372, in _main
    config.hook.pytest_runtestloop(session=session)
  File "/usr/lib/python3/dist-packages/pluggy/_hooks.py", line 512, in __call__
    return self._hookexec(self.name, self._hookimpls.copy(), kwargs, firstresult)
  File "/usr/lib/python3/dist-packages/pluggy/_manager.py", line 120, in _hookexec
    return self._inner_hookexec(hook_name, methods, kwargs, firstresult)
  File "/usr/lib/python3/dist-packages/pluggy/_callers.py", line 121, in _multicall
    res = hook_impl.function(*args)
  File "/usr/lib/python3/dist-packages/_pytest/main.py", line 396, in pytest_runtestloop
    item.config.hook.pytest_runtest_protocol(item=item, nextitem=nextitem)
  File "/usr/lib/python3/dist-packages/pluggy/_hooks.py", line 512, in __call__
    return self._hookexec(self.name, self._hookimpls.copy(), kwargs, firstresult)
  File "/usr/lib/python3/dist-packages/pluggy/_manager.py", line 120, in _hookexec
    return self._inner_hookexec(hook_name, methods, kwargs, firstresult)
  File "/usr/lib/python3/dist-packages/pluggy/_callers.py", line 121, in _multicall
    res = hook_impl.function(*args)
  File "/usr/lib/python3/dist-packages/pytest_rerunfailures.py", line 593, in pytest_runtest_protocol
    reports = runtestprotocol(item, nextitem=nextitem, log=False)
  File "/usr/lib/python3/dist-packages/_pytest/runner.py", line 137, in runtestprotocol
    reports.append(call_and_report(item, "call", log))
  File "/usr/lib/python3/dist-packages/_pytest/runner.py", line 244, in call_and_report
    call = CallInfo.from_call(
  File "/usr/lib/python3/dist-packages/_pytest/runner.py", line 353, in from_call
    result: TResult | None = func()
  File "/usr/lib/python3/dist-packages/_pytest/runner.py", line 245, in <lambda>
    lambda: runtest_hook(item=item, **kwds),
  File "/usr/lib/python3/dist-packages/pluggy/_hooks.py", line 512, in __call__
    return self._hookexec(self.name, self._hookimpls.copy(), kwargs, firstresult)
  File "/usr/lib/python3/dist-packages/pluggy/_manager.py", line 120, in _hookexec
    return self._inner_hookexec(hook_name, methods, kwargs, firstresult)
  File "/usr/lib/python3/dist-packages/pluggy/_callers.py", line 121, in _multicall
    res = hook_impl.function(*args)
  File "/usr/lib/python3/dist-packages/_pytest/runner.py", line 179, in pytest_runtest_call
    item.runtest()
  File "/tmp/ws/install_isolated/launch_testing/lib/python3.14/site-packages/launch_testing/pytest/hooks.py", line 112, in runtest
    results_per_run = runner.run()
  File "/tmp/ws/install_isolated/launch_testing/lib/python3.14/site-packages/launch_testing/test_runner.py", line 260, in run
    results[run] = worker.run()
  File "/tmp/ws/install_isolated/launch_testing/lib/python3.14/site-packages/launch_testing/test_runner.py", line 162, in run
    self._launch_service.run(
  File "/tmp/ws/install_isolated/launch/lib/python3.14/site-packages/launch/launch_service.py", line 394, in run
    return loop.run_until_complete(run_async_task)
  File "/usr/lib/python3.14/asyncio/base_events.py", line 706, in run_until_complete
    self.run_forever()
  File "/usr/lib/python3.14/asyncio/base_events.py", line 677, in run_forever
    self._run_once()
  File "/usr/lib/python3.14/asyncio/base_events.py", line 2019, in _run_once
    event_list = self._selector.select(timeout)
  File "/usr/lib/python3.14/selectors.py", line 452, in select
    fd_event_list = self._selector.poll(timeout, max_ev)
+++++++++++++++++++++++++++++++++++ Timeout ++++++++++++++++++++++++++++++++++++

Flakyness 15 days

job_name	last_fail	first_fail	build_count	failure_count	failure_percentage
Lci__nightly-debug_ubuntu_resolute_amd64	2026-09-14	2026-09-02	5	4	80.0
Lci__nightly-connext_ubuntu_resolute_amd64	2026-09-14	2026-09-02	4	4	100.0

Start by reproducing ros2topic.pytest.missing_result in the referenced Ubuntu Resolute nightly-debug and connext jobs, then inspect the launch_testing timeout stack and recent failure pattern. Done means the test completes successfully without timing out in the affected jobs.