[issue39853] Segmentation fault with urllib.request.urlopen and threads

[Manjusaka]

Manjusaka <lizheao940510 at gmail.com> added the comment:

Hello Victor

I have tried on both MacOS and Ubuntu 18.04 from 3.8.2 to the newest code in master, and can't reproduce this problem

macOS-10.15.4-x86_64-i386-64bit
Python 3.9.0a4+ (heads/master:9a81ab107a, Mar 24 2020, 02:06:30)
[Clang 11.0.3 (clang-1103.0.32.26)]

Linux-4.15.0-1060-aws-x86_64-with-glibc2.27
Python 3.8.2 (default, Mar 23 2020, 19:21:16)
[GCC 8.3.0]

Linux-4.15.0-1060-aws-x86_64-with-glibc2.27
Python 3.9.0a4 (default, Mar 23 2020, 19:25:43)
[GCC 8.3.0]

I think it may be caused by the kernel version and the glibc version, I don't have enough evidence to prove it.

I will try the Python 3.7.6 to the newest version in Ubuntu 19.10 with Kernel 5.3.0-29 and GCC 8.3.0

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<https://bugs.python.org/issue39853>
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