[issue27791] test_threading: test_threads_join_2() failed with "Fatal Python error: Py_EndInterpreter: not the last thread"

[STINNER Victor]

New submission from STINNER Victor:

http://buildbot.python.org/all/builders/AMD64%20FreeBSD%2010.x%20Shared%203.x/builds/4769/steps/test/logs/stdio

0:00:46 [ 41/402] test_threading crashed
Fatal Python error: Py_EndInterpreter: not the last thread

Current thread 0x0000000802006400 (most recent call first):
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/test/support/__init__.py", line 2445 in run_in_subinterp
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/test/test_threading.py", line 877 in test_threads_join_2
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/unittest/case.py", line 600 in run
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/unittest/case.py", line 648 in __call__
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/unittest/suite.py", line 122 in run
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/unittest/suite.py", line 84 in __call__
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/unittest/suite.py", line 122 in run
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/unittest/suite.py", line 84 in __call__
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/unittest/suite.py", line 122 in run
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/unittest/suite.py", line 84 in __call__
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/unittest/runner.py", line 176 in run
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/test/support/__init__.py", line 1810 in _run_suite
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/test/support/__init__.py", line 1844 in run_unittest
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/test/libregrtest/runtest.py", line 179 in test_runner
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/test/libregrtest/runtest.py", line 180 in runtest_inner
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/test/libregrtest/runtest.py", line 133 in runtest
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/test/libregrtest/runtest_mp.py", line 71 in run_tests_slave
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/test/libregrtest/main.py", line 472 in _main
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/test/libregrtest/main.py", line 465 in main
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/test/libregrtest/main.py", line 527 in main
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/test/regrtest.py", line 46 in _main
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/test/regrtest.py", line 50 in <module>
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/runpy.py", line 85 in _run_code
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/runpy.py", line 184 in _run_module_as_main
Traceback (most recent call last):
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/runpy.py", line 184, in _run_module_as_main
    "__main__", mod_spec)
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/test/__main__.py", line 2, in <module>
    main()
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/test/libregrtest/main.py", line 527, in main
    Regrtest().main(tests=tests, **kwargs)
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/test/libregrtest/main.py", line 465, in main
    self._main(tests, kwargs)
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/test/libregrtest/main.py", line 485, in _main
    self.run_tests()
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/test/libregrtest/main.py", line 413, in run_tests
    run_tests_multiprocess(self)
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/test/libregrtest/runtest_mp.py", line 221, in run_tests_multiprocess
    raise Exception(msg)
Exception: Child error on test_threading: Exit code -6
*** Error code 1

----------
components: Tests
keywords: buildbot
messages: 272995
nosy: haypo, koobs
priority: normal
severity: normal
status: open
title: test_threading: test_threads_join_2() failed with "Fatal Python error: Py_EndInterpreter: not the last thread"
versions: Python 3.6

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue27791>
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