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test_concurrent_futures: test_cancel_futures_wait_false() and test_interpreter_shutdown() failed on GHA Windows x64 #89099

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test_concurrent_futures: test_cancel_futures_wait_false() and test_interpreter_shutdown() failed on GHA Windows x64#89099

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3.11only security fixesonly security fixestestsTests in the Lib/test dirTests in the Lib/test dirtopic-multiprocessing

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vstinner

opened

on Aug 17, 2021

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BPO	44936
Nosy	@vstinner, @ambv, @pablogsal, @erlend-aasland

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2021-08-17.16:55:02.512>
labels = ['tests', '3.11']
title = 'test_concurrent_futures: test_cancel_futures_wait_false() and test_interpreter_shutdown() failed on GHA Windows x64'
updated_at = <Date 2021-09-16.15:13:55.293>
user = 'https://github.com/vstinner'

bugs.python.org fields:

activity = <Date 2021-09-16.15:13:55.293>
actor = 'vstinner'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Tests']
creation = <Date 2021-08-17.16:55:02.512>
creator = 'vstinner'
dependencies = []
files = []
hgrepos = []
issue_num = 44936
keywords = []
message_count = 4.0
messages = ['399768', '399771', '399773', '401956']
nosy_count = 4.0
nosy_names = ['vstinner', 'lukasz.langa', 'pablogsal', 'erlendaasland']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = None
url = 'https://bugs.python.org/issue44936'
versions = ['Python 3.11']

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vstinner commented on Aug 17, 2021

vstinner

on Aug 17, 2021

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GitHub Action Windows x64:
https://github.com/python/cpython/runs/3342514542

test_concurrent_futures failed when tests are run in parallel, but then passed then re-run in verbose mode.

======================================================================
FAIL: test_cancel_futures_wait_false (test.test_concurrent_futures.ThreadPoolShutdownTest)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "D:\a\cpython\cpython\lib\test\test_concurrent_futures.py", line 486, in test_cancel_futures_wait_false
    rc, out, err = assert_python_ok('-c', """if True:
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "D:\a\cpython\cpython\lib\test\support\script_helper.py", line 160, in assert_python_ok
    return _assert_python(True, *args, **env_vars)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "D:\a\cpython\cpython\lib\test\support\script_helper.py", line 145, in _assert_python
    res.fail(cmd_line)
    ^^^^^^^^^^^^^^^^^^
  File "D:\a\cpython\cpython\lib\test\support\script_helper.py", line 72, in fail
    raise AssertionError("Process return code is %d\n"
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: Process return code is 3221225477
command line: ['D:\\a\\cpython\\cpython\\PCbuild\\amd64\\python.exe', '-X', 'faulthandler', '-I', '-c', 'if True:\n            from concurrent.futures import ThreadPoolExecutor\n            from test.test_concurrent_futures import sleep_and_print\n            if __name__ == "__main__":\n                t = ThreadPoolExecutor()\n                t.submit(sleep_and_print, .1, "apple")\n                t.shutdown(wait=False, cancel_futures=True)\n            ']

stdout:
---
apple
---

stderr:
---

---

======================================================================
FAIL: test_interpreter_shutdown (test.test_concurrent_futures.ThreadPoolShutdownTest)
0:01:59 load avg: 5.63 [100/428/1] test_lltrace passed -- running: test_regrtest (40.5 sec)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "D:\a\cpython\cpython\lib\test\test_concurrent_futures.py", line 307, in test_interpreter_shutdown
    rc, out, err = assert_python_ok('-c', """if 1:
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "D:\a\cpython\cpython\lib\test\support\script_helper.py", line 160, in assert_python_ok
    return _assert_python(True, *args, **env_vars)
0:01:59 load avg: 5.63 [101/428/1] test_ucn passed -- running: test_regrtest (40.5 sec)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
fetching http://www.pythontest.net/unicode/13.0.0/NamedSequences.txt ...
  File "D:\a\cpython\cpython\lib\test\support\script_helper.py", line 145, in _assert_python
    res.fail(cmd_line)
    ^^^^^^^^^^^^^^^^^^
  File "D:\a\cpython\cpython\lib\test\support\script_helper.py", line 72, in fail
    raise AssertionError("Process return code is %d\n"
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: Process return code is 3221225477
command line: ['D:\\a\\cpython\\cpython\\PCbuild\\amd64\\python.exe', '-X', 'faulthandler', '-I', '-c', 'if 1:\n            from concurrent.futures import ThreadPoolExecutor\n            from time import sleep\n            from test.test_concurrent_futures import sleep_and_print\n            if __name__ == "__main__":\n                context = \'\'\n                if context == "":\n                    t = ThreadPoolExecutor(5)\n                else:\n                    from multiprocessing import get_context\n                    context = get_context(context)\n                    t = ThreadPoolExecutor(5, mp_context=context)\n                t.submit(sleep_and_print, 1.0, "apple")\n            ']

stdout:
---
apple
---

stderr:
---

---

----------------------------------------------------------------------

Ran 226 tests in 109.440s

FAILED (failures=2, skipped=111)
test test_concurrent_futures failed
(...)
0:21:19 load avg: 0.02 Re-running test_concurrent_futures in verbose mode (matching: test_cancel_futures_wait_false, test_interpreter_shutdown)

test_interpreter_shutdown (test.test_concurrent_futures.ProcessPoolForkProcessPoolShutdownTest) ... skipped 'require unix system'
test_interpreter_shutdown (test.test_concurrent_futures.ProcessPoolForkserverProcessPoolShutdownTest) ... skipped 'require unix system'
test_interpreter_shutdown (test.test_concurrent_futures.ProcessPoolSpawnProcessPoolShutdownTest) ... 1.33s ok
test_cancel_futures_wait_false (test.test_concurrent_futures.ThreadPoolShutdownTest) ... 0.27s ok
test_interpreter_shutdown (test.test_concurrent_futures.ThreadPoolShutdownTest) ... 1.14s ok

----------------------------------------------------------------------

Ran 5 tests in 2.756s

OK (skipped=2)

vstinner
added
3.11only security fixesonly security fixes

testsTests in the Lib/test dirTests in the Lib/test dir
on Aug 17, 2021
vstinner commented on Aug 17, 2021
vstinner
on Aug 17, 2021
MemberAuthor
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AssertionError: Process return code is 3221225477
(...)
AssertionError: Process return code is 3221225477

This is STATUS_ACCESS_VIOLATION: the process crashed, not good :-(

Moreover, even if the process was run with -X faulthandler, stderr is empty :-(
vstinner commented on Aug 17, 2021
vstinner
on Aug 17, 2021
MemberAuthor
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The machine was busy when test_concurrent_futures: system load of 5.59.

2021-08-16T17:14:01.3805500Z 0:01:58 load avg: 5.59 [ 93/428/1] test_concurrent_futures failed (2 failures) (1 min 49 sec) -- running: test_regrtest (39.2 sec)

vstinner commented on Sep 16, 2021

vstinner

on Sep 16, 2021

MemberAuthor

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Recent failure, Windows x64 job of GitHub Action:
https://github.com/python/cpython/runs/3617689771

0:07:18 load avg: 6.20 [425/427/2] test_concurrent_futures failed (2 failures) (1 min 51 sec)
(...)
======================================================================
FAIL: test_cancel_futures_wait_false (test.test_concurrent_futures.ThreadPoolShutdownTest)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "D:\a\cpython\cpython\lib\test\test_concurrent_futures.py", line 488, in test_cancel_futures_wait_false
    rc, out, err = assert_python_ok('-c', """if True:
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "D:\a\cpython\cpython\lib\test\support\script_helper.py", line 160, in assert_python_ok
    return _assert_python(True, *args, **env_vars)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "D:\a\cpython\cpython\lib\test\support\script_helper.py", line 145, in _assert_python
    res.fail(cmd_line)
    ^^^^^^^^^^^^^^^^^^
  File "D:\a\cpython\cpython\lib\test\support\script_helper.py", line 72, in fail
    raise AssertionError("Process return code is %d\n"
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: Process return code is 3221225477
command line: ['D:\\a\\cpython\\cpython\\PCbuild\\amd64\\python.exe', '-X', 'faulthandler', '-I', '-c', 'if True:\n            from concurrent.futures import ThreadPoolExecutor\n            from test.test_concurrent_futures import sleep_and_print\n            if __name__ == "__main__":\n                t = ThreadPoolExecutor()\n                t.submit(sleep_and_print, .1, "apple")\n                t.shutdown(wait=False, cancel_futures=True)\n            ']

stdout:
---
apple
---

stderr:
---

---

======================================================================
FAIL: test_hang_issue39205 (test.test_concurrent_futures.ThreadPoolShutdownTest)
shutdown(wait=False) doesn't hang at exit with running futures.
----------------------------------------------------------------------

Traceback (most recent call last):
  File "D:\a\cpython\cpython\lib\test\test_concurrent_futures.py", line 393, in test_hang_issue39205
    rc, out, err = assert_python_ok('-c', """if True:
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "D:\a\cpython\cpython\lib\test\support\script_helper.py", line 160, in assert_python_ok
    return _assert_python(True, *args, **env_vars)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "D:\a\cpython\cpython\lib\test\support\script_helper.py", line 145, in _assert_python
    res.fail(cmd_line)
    ^^^^^^^^^^^^^^^^^^
  File "D:\a\cpython\cpython\lib\test\support\script_helper.py", line 72, in fail
    raise AssertionError("Process return code is %d\n"
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: Process return code is 3221225477
command line: ['D:\\a\\cpython\\cpython\\PCbuild\\amd64\\python.exe', '-X', 'faulthandler', '-I', '-c', 'if True:\n            from concurrent.futures import ThreadPoolExecutor\n            from test.test_concurrent_futures import sleep_and_print\n            if __name__ == "__main__":\n                t = ThreadPoolExecutor(max_workers=3)\n                t.submit(sleep_and_print, 1.0, "apple")\n                t.shutdown(wait=False)\n            ']

stdout:
---
apple
---

stderr:
---

---

----------------------------------------------------------------------
Ran 226 tests in 111.014s

FAILED (failures=2, skipped=111)
test test_concurrent_futures failed

ezio-melotti
transferred this issue from on Apr 10, 2022
vstinner
added
topic-multiprocessing
on Jun 6, 2022
kumaraditya303 commented on Jun 15, 2022
kumaraditya303
on Jun 15, 2022
Contributor
More actions
Closing as it is outdated and the CI is green.
kumaraditya303
closed this as not planned on Jun 15, 2022

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GeezerVison

test_concurrent_futures: test_cancel_futures_wait_false() and test_interpreter_shutdown() failed on GHA Windows x64 #89099

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vstinner commented on Aug 17, 2021

vstinner commented on Aug 17, 2021

vstinner commented on Aug 17, 2021

vstinner commented on Sep 16, 2021

kumaraditya303 commented on Jun 15, 2022

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