[issue32706] test_check_hostname() of test_ftplib started to fail randomly

[STINNER Victor]

STINNER Victor <victor.stinner at gmail.com> added the comment:

I'm able to reproduce the failure on my Fedora 27 using two terminals:

(1) Run the test in a loop:
vstinner at apu$ ./python -m test -v test_ftplib -m test_check_hostname -F

(2) Stress the system, example:
vstinner at apu$ ./python -m test -j0 -r

When the system load becomes higher than 2 (I have 8 logical CPUs), test_check_hostname() fails.

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue32706>
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