[issue33223] test_posix fails ERRNO 0

Wed Apr 4 11:24:16 EDT 2018

Ioannis Valasakis <code at wizofe.uk> added the comment:

Note: I get the same error with the version of python installed via homebrew:

(Python 3.6.4 (default, Jan  6 2018, 11:51:59)
[GCC 4.2.1 Compatible Apple LLVM 9.0.0 (clang-900.0.39.2)] on darwin

Here is also the output of the id command, if that is helpful:

(box3) λ /Volumes/pythontesting/cpython/ master id
uid=501(wizofe) gid=20(staff) groups=20(staff),1(daemon),12(everyone),61(localaccounts),79(_appserverusr),80(admin),81(_appserveradm),98(_lpadmin),204(_developer),450(_xcs),701(1),33(_appstore),100(_lpoperator),250(_analyticsusers),395(com.apple.access_ftp),398(com.apple.access_screensharing),399(com.apple.access_ssh)

I am also attaching a dtrace log of the two liner that causes the bug.

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue33223>
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