[New-bugs-announce] [issue28283] test_sock_connect_sock_write_race() of test.test_asyncio.test_selector_events fails randomly on FreeBSD

[STINNER Victor]

New submission from STINNER Victor:

The issue #28176 introduced a new unit test which fails randomly on FreeBSD buildbots. Recent example:

http://buildbot.python.org/all/builders/AMD64%20FreeBSD%2010.x%20Shared%203.x/builds/5162/steps/test/logs/stdio

======================================================================
ERROR: test_sock_connect_sock_write_race (test.test_asyncio.test_selector_events.SelectorLoopFunctionalTests)
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Traceback (most recent call last):
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/test/test_asyncio/test_selector_events.py", line 1868, in test_sock_connect_sock_write_race
    timeout=TIMEOUT))
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/asyncio/base_events.py", line 457, in run_until_complete
    return future.result()
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/asyncio/futures.py", line 292, in result
    raise self._exception
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/asyncio/tasks.py", line 239, in _step
    result = coro.send(None)
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/asyncio/tasks.py", line 397, in wait_for
    raise futures.TimeoutError()
concurrent.futures._base.TimeoutError

----------
components: Tests, asyncio
keywords: buildbot
messages: 277492
nosy: gvanrossum, haypo, koobs, yselivanov
priority: normal
severity: normal
status: open
title: test_sock_connect_sock_write_race() of test.test_asyncio.test_selector_events fails randomly on FreeBSD
versions: Python 3.6, Python 3.7

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue28283>
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