[New-bugs-announce] [issue36402] test_threading: test_threads_join_2() failed with "Fatal Python error: Py_EndInterpreter: not the last thread" on AMD64 FreeBSD CURRENT Shared 3.x

[STINNER Victor]

New submission from STINNER Victor <vstinner at redhat.com>:

https://buildbot.python.org/all/#/builders/168/builds/801

0:23:17 load avg: 5.00 [334/420/1] test_threading crashed (Exit code -6) -- running: test_tools (8 min 42 sec), test_multiprocessing_spawn (5 min 41 sec), test_zipfile (30 sec 787 ms)
Fatal Python error: Py_EndInterpreter: not the last thread

Current thread 0x0000000800acd000 (most recent call first):
  File "/usr/home/buildbot/python/3.x.koobs-freebsd-current/build/Lib/test/support/__init__.py", line 2778 in run_in_subinterp
  File "/usr/home/buildbot/python/3.x.koobs-freebsd-current/build/Lib/test/test_threading.py", line 917 in test_threads_join_2
  File "/usr/home/buildbot/python/3.x.koobs-freebsd-current/build/Lib/unittest/case.py", line 642 in run
  ...

The test crashed once, but then passed when run again in verbose mode ("Re-running test 'test_threading' in verbose mode").

----------
components: Tests
messages: 338622
nosy: vstinner
priority: normal
severity: normal
status: open
title: test_threading: test_threads_join_2() failed with "Fatal Python error: Py_EndInterpreter: not the last thread" on AMD64 FreeBSD CURRENT Shared 3.x
versions: Python 3.8

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue36402>
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