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ValueError exception on _winapi.WaitForMultipleObjects #84444
Description
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 = <Date 2021-07-28.20:00:26.711>
created_at = <Date 2020-04-12.18:19:42.927>
labels = ['interpreter-core', '3.7', '3.8', '3.9', 'OS-windows']
title = 'ValueError exception on _winapi.WaitForMultipleObjects'
updated_at = <Date 2021-07-29.03:16:30.318>
user = 'https://github.com/mingwandroid'bugs.python.org fields:
activity = <Date 2021-07-29.03:16:30.318>
actor = 'jaraco'
assignee = 'none'
closed = True
closed_date = <Date 2021-07-28.20:00:26.711>
closer = 'steve.dower'
components = ['Interpreter Core', 'Windows']
creation = <Date 2020-04-12.18:19:42.927>
creator = 'Ray Donnelly'
dependencies = []
files = ['49055', '49057']
hgrepos = []
issue_num = 40263
keywords = ['patch']
message_count = 9.0
messages = ['366258', '366259', '366301', '366312', '397871', '398418', '398419', '398420', '398432']
nosy_count = 8.0
nosy_names = ['paul.moore', 'tim.golden', 'zach.ware', 'Ray.Donnelly', 'steve.dower', 'Ray Donnelly', 'miss-islington', 'Chronial']
pr_nums = ['19501', '27428', '27429']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue40263'
versions = ['Python 3.7', 'Python 3.8', 'Python 3.9']
Activity
mingwandroid commentedon Apr 12, 2020
See attached reproducer
mingwandroid commentedon Apr 12, 2020
See my proposed patch. I am happy to make a PR on github for this too if people agree it's the right fix.
zooba commentedon Apr 13, 2020
(Created from bpo-26903)
Yeah, that looks like a reasonable fix :)
[-]Follow on bug from https://bugs.python.org/issue26903 (ValueError exception on _winapi.WaitForMultipleObjects)[/-][+]ValueError exception on _winapi.WaitForMultipleObjects[/+][-]Follow on bug from https://bugs.python.org/issue26903 (ValueError exception on _winapi.WaitForMultipleObjects)[/-][+]ValueError exception on _winapi.WaitForMultipleObjects[/+]mingwandroid commentedon Apr 13, 2020
#19501
Chronial commentedon Jul 20, 2021
This is still an issue in python3.9. It just hit us while using the default config on a Threadripper 3990X that has 128 logical cores:
zooba commentedon Jul 28, 2021
New changeset 92b5dc7 by Ray Donnelly in branch 'main':
bpo-40263: Fixes an off-by-one error in _winapi_WaitForMultipleObjects_impl (GH-19501)
92b5dc7
zooba commentedon Jul 28, 2021
Fixed, better late than never.
miss-islington commentedon Jul 28, 2021
New changeset bccb7b9 by Miss Islington (bot) in branch '3.10':
bpo-40263: Fixes an off-by-one error in _winapi_WaitForMultipleObjects_impl (GH-19501)
bccb7b9
zooba commentedon Jul 28, 2021
New changeset 899e37b by Miss Islington (bot) in branch '3.9':
bpo-40263: Fixes an off-by-one error in _winapi_WaitForMultipleObjects_impl (GH-19501)
899e37b