[issue30837] Mac OS High Sierra Beta - Python Crash

[Ned Deily]

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 (2.7.13).  And it is running on pre-release public beta.  You should report the problem to Apple using their Feedback Assistant.

All that said, the crash trace does show the Python helper extension module _scproxy in the chain and _scproxy has been problematic in the past: it is used to get network proxy information from the System Configuration framework. Previous crashes seemed to be due to lack of thread-safety in Apple's libdispatch, see for bpo-30385, but that doesn't seem to be the case here.  Things may work differently under the covers in High Sierra.  If you are able to reliably reproduce the problem, it would be interesting to see if the workaround in http://bugs.python.org/issue30385#msg293958 helps.

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<http://bugs.python.org/issue30837>
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