[issue37224] [subinterpreters] test__xxsubinterpreters fails randomly

[STINNER Victor]

STINNER Victor <vstinner at python.org> added the comment:

The test still fails randomly: AMD64 Windows8.1 Refleaks 3.8
https://buildbot.python.org/all/#/builders/200/builds/48

test_subinterpreter failed twice on Refleaks which runs tests 6 times in a row.

First run:

0:33:58 load avg: 4.78 [204/423/1] test__xxsubinterpreters failed -- running: test_multiprocessing_spawn (12 min 42 sec), test_io (7 min 28 sec), test_tarfile (39.2 sec)
beginning 6 repetitions
123456
...Exception in thread Thread-38:
Traceback (most recent call last):
  File "D:\buildarea\3.8.ware-win81-release.refleak\build\lib\threading.py", line 932, in _bootstrap_inner
    self.run()
  File "D:\buildarea\3.8.ware-win81-release.refleak\build\lib\threading.py", line 870, in run
    self._target(*self._args, **self._kwargs)
  File "D:\buildarea\3.8.ware-win81-release.refleak\build\lib\test\test__xxsubinterpreters.py", line 51, in run
    interpreters.run_string(interp, dedent(f"""
RuntimeError: unrecognized interpreter ID 250
test test__xxsubinterpreters failed -- Traceback (most recent call last):
  File "D:\buildarea\3.8.ware-win81-release.refleak\build\lib\test\test__xxsubinterpreters.py", line 495, in test_subinterpreter
    self.assertTrue(interpreters.is_running(interp))
AssertionError: False is not true

Second run:

FAIL: test_subinterpreter (test.test__xxsubinterpreters.IsRunningTests)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "D:\buildarea\3.8.ware-win81-release.refleak\build\lib\test\test__xxsubinterpreters.py", line 495, in test_subinterpreter
    self.assertTrue(interpreters.is_running(interp))
AssertionError: False is not true

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue37224>
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