[issue39241] Popen of python3.6 hangs on os.read(errpipe_read, 50000)

[STINNER Victor]

STINNER Victor <vstinner at python.org> added the comment:

I have no clue. Try to attach a debugger and try to inspect the Python frames. You can use gdb with python-gdb.py for that, for example. Or play with faulthandler, especially faulthandler.dump_traceback_later().

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue39241>
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