[issue31931] test_concurrent_futures: ProcessPoolSpawnExecutorTest.test_shutdown_race_issue12456() leaked dangling process on x86 Tiger 3.x

[STINNER Victor]

STINNER Victor <victor.stinner at gmail.com> added the comment:

More context:

test_correct_timeout_exception_msg (test.test_concurrent_futures.ProcessPoolSpawnAsCompletedTests) ... 2.66s ok
test_duplicate_futures (test.test_concurrent_futures.ProcessPoolSpawnAsCompletedTests) ... 4.64s ok
test_free_reference_yielded_future (test.test_concurrent_futures.ProcessPoolSpawnAsCompletedTests) ... 2.69s ok
test_no_timeout (test.test_concurrent_futures.ProcessPoolSpawnAsCompletedTests) ... 2.80s ok
test_zero_timeout (test.test_concurrent_futures.ProcessPoolSpawnAsCompletedTests) ... 4.72s ok
test_free_reference (test.test_concurrent_futures.ProcessPoolSpawnExecutorTest) ... 9.49s ok
test_killed_child (test.test_concurrent_futures.ProcessPoolSpawnExecutorTest) ... 2.44s ok
test_map (test.test_concurrent_futures.ProcessPoolSpawnExecutorTest) ... 2.71s ok
test_map_chunksize (test.test_concurrent_futures.ProcessPoolSpawnExecutorTest) ... 2.69s ok
test_map_exception (test.test_concurrent_futures.ProcessPoolSpawnExecutorTest) ... 2.65s ok
test_map_timeout (test.test_concurrent_futures.ProcessPoolSpawnExecutorTest) ... 8.65s ok
test_max_workers_negative (test.test_concurrent_futures.ProcessPoolSpawnExecutorTest) ... 2.64s ok
test_no_stale_references (test.test_concurrent_futures.ProcessPoolSpawnExecutorTest) ... 2.66s ok
test_ressources_gced_in_workers (test.test_concurrent_futures.ProcessPoolSpawnExecutorTest) ... 4.75s ok
test_shutdown_race_issue12456 (test.test_concurrent_futures.ProcessPoolSpawnExecutorTest) ... 7.42s Warning -- reap_children() reaped child process 3411
ok
test_submit (test.test_concurrent_futures.ProcessPoolSpawnExecutorTest) ... 2.97s ok
test_submit_keyword (test.test_concurrent_futures.ProcessPoolSpawnExecutorTest) ... 3.03s ok
test_traceback (test.test_concurrent_futures.ProcessPoolSpawnExecutorTest) ... 2.92s ok
test_context_manager_shutdown (test.test_concurrent_futures.ProcessPoolSpawnShutdownTest) ... 2.95s ok
test_del_shutdown (test.test_concurrent_futures.ProcessPoolSpawnShutdownTest) ... 2.74s ok
test_hang_issue12364 (test.test_concurrent_futures.ProcessPoolSpawnShutdownTest) ... 3.65s ok
test_interpreter_shutdown (test.test_concurrent_futures.ProcessPoolSpawnShutdownTest) ... 7.00s ok

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue31931>
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