[issue30837] Mac OS High Sierra Beta - Python Crash

Jason R. Coombs added the comment: All good. Thanks for the references. As with the prior issues, I'm going to just suppress those failures. -- ___ Python tracker ___

[issue30837] Mac OS High Sierra Beta - Python Crash

Ned Deily added the comment: If the crashes are occurring while the multiprocessing fork tests are running, it's likely the issue described in Issue33725. In Python 3.8, the default start method for multiprocessing on macOS was changed to be "spawn" rather than "fork" because of the

[issue30837] Mac OS High Sierra Beta - Python Crash

Jason R. Coombs added the comment: I started tracking it down in https://github.com/jaraco/keyring/issues/494 and found I'd previously delved deep into a related issue (https://github.com/jaraco/keyring/issues/281). -- ___ Python tracker

[issue30837] Mac OS High Sierra Beta - Python Crash

Jason R. Coombs added the comment: I've stumbled into this issue and it's started occurring reliably on keyring in Python 3.6 as found on Github CI (https://github.com/jaraco/keyring/runs/1994652010?check_suite_focus=true). It's not a highly-reproducible environment. I can't replicate it on

[issue30837] Mac OS High Sierra Beta - Python Crash

Ned Deily added the comment: I agree with Ronald. Feel free to reopen if a reproducible test case can be supplied and duplicated with, say, a python.org Python. We still may not be able to do much about it other than suggest avoiding the proxy lookup. -- resolution: -> third party

[issue30837] Mac OS High Sierra Beta - Python Crash

Ronald Oussoren added the comment: I proprose closing this issue as there's too little information to reproduce the problem, the crash is using a system build of Python on a beta version of macOS and this appears to be a known issue. -- ___ Python

[issue30837] Mac OS High Sierra Beta - Python Crash

Ronald Oussoren added the comment: Joshua: does your script use os.fork(), or multiprocessing? In that case this is a known issue made worse on High Sierra: _scproxy uses Cocoa libraries, and those cause problems when using for without exec. In High Sierra the Cocoa libraries are more strict

[issue30837] Mac OS High Sierra Beta - Python Crash

Ned Deily added the comment: Sorry, without more information, there is not much we can do about this. Can you supply a reproducible test case? In any case, the crash is from use of the Apple-supplied system Python 2.7.10 which is a few releases behind the most recent released upstream

[issue30837] Mac OS High Sierra Beta - Python Crash

New submission from Joshua: Process: Python [13106] Path: /System/Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python Identifier:Python Version: 2.7.10 (2.7.10) Code Type: X86-64