STINNER Victor <vstin...@python.org> added the comment: More info with my latest change.
AMD64 Windows10 3.x: https://buildbot.python.org/all/#/builders/129/builds/1500 0:10:26 load avg: 3.17 [354/423/2] test_asyncio failed (env changed) (1 min 23 sec) -- running: test_capi (1 min 3 sec) Warning -- Unraisable exception Exception ignored in: <function _ProactorBasePipeTransport.__del__ at 0x000001E0C873CCD0> Traceback (most recent call last): File "D:\buildarea\3.x.bolen-windows10\build\lib\asyncio\proactor_events.py", line 115, in __del__ _warn(f"unclosed transport {self!r}", ResourceWarning, source=self) File "D:\buildarea\3.x.bolen-windows10\build\lib\asyncio\proactor_events.py", line 79, in __repr__ info.append(f'fd={self._sock.fileno()}') File "D:\buildarea\3.x.bolen-windows10\build\lib\asyncio\windows_utils.py", line 102, in fileno raise ValueError("I/O operation on closed pipe") ValueError: I/O operation on closed pipe It seems like the issue comes from SubprocessProactorTests. Using python -m test.bisect_cmd, I isolated one test which causes the issue: + C:\vstinner\python\master\PCbuild\amd64\python_d.exe -m test --matchfile C:\Users\vstinner\AppData\Local\Temp\tmpoe9_zui_ --fail-env-changed test_asyncio -v == CPython 3.10.0a0 (heads/master:701b63894f, Aug 3 2020, 23:38:07) [MSC v.1916 64 bit (AMD64)] == Windows-10-10.0.18362-SP0 little-endian == cwd: C:\vstinner\python\master\build\test_python_7732æ == CPU count: 2 == encodings: locale=cp1252, FS=utf-8 0:00:00 Run tests sequentially 0:00:00 [1/1] test_asyncio test_cancel_post_init (test.test_asyncio.test_subprocess.SubprocessProactorTests) ... ok ---------------------------------------------------------------------- Ran 1 test in 0.015s OK C:\vstinner\python\master\lib\asyncio\windows_utils.py:112: ResourceWarning: unclosed <PipeHandle handle=292> _warn(f"unclosed {self!r}", ResourceWarning, source=self) ResourceWarning: Enable tracemalloc to get the object allocation traceback C:\vstinner\python\master\lib\asyncio\windows_utils.py:112: ResourceWarning: unclosed <PipeHandle handle=792> _warn(f"unclosed {self!r}", ResourceWarning, source=self) ResourceWarning: Enable tracemalloc to get the object allocation traceback Warning -- Unraisable exception Exception ignored in: <function _ProactorBasePipeTransport.__del__ at 0x0000015D1FCA2AF0> Traceback (most recent call last): File "C:\vstinner\python\master\lib\asyncio\proactor_events.py", line 115, in __del__ _warn(f"unclosed transport {self!r}", ResourceWarning, source=self) File "C:\vstinner\python\master\lib\asyncio\proactor_events.py", line 79, in __repr__ info.append(f'fd={self._sock.fileno()}') File "C:\vstinner\python\master\lib\asyncio\windows_utils.py", line 102, in fileno raise ValueError("I/O operation on closed pipe") ValueError: I/O operation on closed pipe Warning -- Unraisable exception Exception ignored in: <function _ProactorBasePipeTransport.__del__ at 0x0000015D1FCA2AF0> Traceback (most recent call last): File "C:\vstinner\python\master\lib\asyncio\proactor_events.py", line 115, in __del__ _warn(f"unclosed transport {self!r}", ResourceWarning, source=self) File "C:\vstinner\python\master\lib\asyncio\proactor_events.py", line 79, in __repr__ info.append(f'fd={self._sock.fileno()}') File "C:\vstinner\python\master\lib\asyncio\windows_utils.py", line 102, in fileno raise ValueError("I/O operation on closed pipe") ValueError: I/O operation on closed pipe test_asyncio failed (env changed) == Tests result: ENV CHANGED == ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue38912> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
