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Created on 2021-04-14 11:15 by vstinner, last changed 2022-04-11 14:59 by admin. This issue is now closed.

Pull Requests
URL Status Linked Edit
PR 25436 merged vstinner, 2021-04-16 12:08
PR 25437 merged vstinner, 2021-04-16 12:36
PR 25440 merged vstinner, 2021-04-16 14:08
Messages (5)
msg391057 - (view) Author: STINNER Victor (vstinner) * (Python committer) Date: 2021-04-14 11:15
Random error seen on FreeBSD: 0:05:54 load avg: 5.75 [340/427/1] test_logging passed -- running: test_pydoc (34.4 sec) Exception in thread Thread-25 (serve_forever): Traceback (most recent call last): File "/usr/home/vstinner/python/master/Lib/threading.py", line 990, in _bootstrap_inner self.run() File "/usr/home/vstinner/python/master/Lib/threading.py", line 928, in run self._target(*self._args, **self._kwargs) File "/usr/home/vstinner/python/master/Lib/test/test_logging.py", line 863, in serve_forever asyncore.loop(poll_interval, map=self._map) File "/usr/home/vstinner/python/master/Lib/asyncore.py", line 203, in loop poll_fun(timeout, map) File "/usr/home/vstinner/python/master/Lib/asyncore.py", line 144, in poll r, w, e = select.select(r, w, e, timeout) OSError: [Errno 9] Bad file descriptor
msg391186 - (view) Author: STINNER Victor (vstinner) * (Python committer) Date: 2021-04-16 11:58
There is a race condition. The main thread closes a file descriptor which is part of the asyncore loop "map", a thread polls on the asyncore "map" file descriptors. -- Main thread -- Close a socket: File "/usr/home/vstinner/python/master/Lib/test/test_logging.py", line 1072, in test_basic server.stop() File "/usr/home/vstinner/python/master/Lib/test/test_logging.py", line 870, in stop self.close() -- TestSMTPServer thread -- Wait in asyncore.loop(): Exception in thread Thread-1 (serve_forever): Traceback (most recent call last): File "/usr/home/vstinner/python/master/Lib/threading.py", line 990, in _bootstrap_inner self.run() File "/usr/home/vstinner/python/master/Lib/threading.py", line 928, in run self._target(*self._args, **self._kwargs) File "/usr/home/vstinner/python/master/Lib/test/test_logging.py", line 863, in serve_forever asyncore.loop(poll_interval, map=self._map) File "/usr/home/vstinner/python/master/Lib/asyncore.py", line 211, in loop poll_fun(timeout, map) File "/usr/home/vstinner/python/master/Lib/asyncore.py", line 145, in poll r, w, e = select.select(r, w, e, timeout) OSError: [Errno 9] Bad file descriptor
msg391187 - (view) Author: STINNER Victor (vstinner) * (Python committer) Date: 2021-04-16 12:32
 New changeset 75ec103b3adbb7c619a0e22fa60f3d34c5a9e603 by Victor Stinner in branch 'master': bpo-43842: Fix race condition in test_logging SMTP test (GH-25436) https://github.com/python/cpython/commit/75ec103b3adbb7c619a0e22fa60f3d34c5a9e603 
msg391200 - (view) Author: STINNER Victor (vstinner) * (Python committer) Date: 2021-04-16 14:06
 New changeset e1903e11a3d42512effe336026e0c67f602e5848 by Victor Stinner in branch '3.9': bpo-43842: Fix race condition in test_logging SMTP test (GH-25436) (GH-25437) https://github.com/python/cpython/commit/e1903e11a3d42512effe336026e0c67f602e5848 
msg391204 - (view) Author: STINNER Victor (vstinner) * (Python committer) Date: 2021-04-16 14:37
 New changeset 816da333c8ee848dab7c830c561b8df0b8d23915 by Victor Stinner in branch '3.8': bpo-43842: Fix race condition in test_logging SMTP test (GH-25436) (GH-25437) (GH-25440) https://github.com/python/cpython/commit/816da333c8ee848dab7c830c561b8df0b8d23915 
History
Date User Action Args
2022-04-11 14:59:44adminsetgithub: 88008
2021-04-16 14:37:42vstinnersetstatus: open -> closed
stage: patch review -> resolved
resolution: fixed
versions: + Python 3.8, Python 3.9
2021-04-16 14:37:13vstinnersetmessages: + msg391204
2021-04-16 14:08:56vstinnersetpull_requests: + pull_request24170
2021-04-16 14:06:46vstinnersetmessages: + msg391200
2021-04-16 12:36:39vstinnersetpull_requests: + pull_request24167
2021-04-16 12:32:06vstinnersetmessages: + msg391187
2021-04-16 12:08:57vstinnersetkeywords: + patch
stage: patch review
pull_requests: + pull_request24166
2021-04-16 11:58:36vstinnersetmessages: + msg391186
2021-04-14 11:15:16vstinnercreate