[New-bugs-announce] [issue39238] test_asyncio: test_cancel_make_subprocess_transport_exec() hangs randomly on PPC64LE Fedora 3.x

[STINNER Victor]

New submission from STINNER Victor <vstinner at python.org>:

PPC64LE Fedora 3.x buildbot:
https://buildbot.python.org/all/#builders/11/builds/134

0:35:30 load avg: 0.00 [420/420/1] test_asyncio crashed (Exit code 1)
Timeout (0:15:00)!
Thread 0x00003fff82de5330 (most recent call first):
  File "/home/shager/cpython-buildarea/3.x.edelsohn-fedora-ppc64le/build/Lib/selectors.py", line 468 in select
  File "/home/shager/cpython-buildarea/3.x.edelsohn-fedora-ppc64le/build/Lib/asyncio/base_events.py", line 1852 in _run_once
  File "/home/shager/cpython-buildarea/3.x.edelsohn-fedora-ppc64le/build/Lib/asyncio/base_events.py", line 596 in run_forever
  File "/home/shager/cpython-buildarea/3.x.edelsohn-fedora-ppc64le/build/Lib/asyncio/base_events.py", line 629 in run_until_complete
  File "/home/shager/cpython-buildarea/3.x.edelsohn-fedora-ppc64le/build/Lib/test/test_asyncio/test_subprocess.py", line 441 in test_cancel_make_subprocess_transport_exec
(...)
0:35:30 load avg: 0.00 Re-running test_asyncio in verbose mode
(...)
test_shell_loop_deprecated (test.test_asyncio.test_subprocess.SubprocessFastWatcherTests) ... ok
test_start_new_session (test.test_asyncio.test_subprocess.SubprocessFastWatcherTests) ... ok
test_stdin_broken_pipe (test.test_asyncio.test_subprocess.SubprocessFastWatcherTests) ... ok
test_stdin_not_inheritable (test.test_asyncio.test_subprocess.SubprocessFastWatcherTests) ... ok
test_stdin_stdout (test.test_asyncio.test_subprocess.SubprocessFastWatcherTests) ... ok
test_terminate (test.test_asyncio.test_subprocess.SubprocessFastWatcherTests) ... ok
Timeout (0:15:00)!
Thread 0x00003fffb25e5330 (most recent call first):
  File "/home/shager/cpython-buildarea/3.x.edelsohn-fedora-ppc64le/build/Lib/selectors.py", line 468 in select
  File "/home/shager/cpython-buildarea/3.x.edelsohn-fedora-ppc64le/build/Lib/asyncio/base_events.py", line 1852 in _run_once
  File "/home/shager/cpython-buildarea/3.x.edelsohn-fedora-ppc64le/build/Lib/asyncio/base_events.py", line 596 in run_forever
  File "/home/shager/cpython-buildarea/3.x.edelsohn-fedora-ppc64le/build/Lib/asyncio/base_events.py", line 629 in run_until_complete
  File "/home/shager/cpython-buildarea/3.x.edelsohn-fedora-ppc64le/build/Lib/test/test_asyncio/test_subprocess.py", line 441 in test_cancel_make_subprocess_transport_exec
  ....

----------
components: Tests, asyncio
messages: 359473
nosy: asvetlov, pablogsal, vstinner, yselivanov
priority: normal
severity: normal
status: open
title: test_asyncio: test_cancel_make_subprocess_transport_exec() hangs randomly on PPC64LE Fedora 3.x
versions: Python 3.9

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue39238>
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