[New-bugs-announce] [issue19565] test_multiprocessing_spawn: RuntimeError and assertion error on windows xp buildbot

[STINNER Victor]

New submission from STINNER Victor:

Since the changeset c2a13acd5e2b24560419b93180ee49d1a4839b92 ("Close #19466: Clear the frames of daemon threads earlier during the Python shutdown to call objects destructors"), test_multiprocessing_spawn now show RuntimeError and a child process crashs with an assertion error on windows xp buildbot.

http://buildbot.python.org/all/builders/x86 XP-4 3.x/builds/9538/steps/test/logs/stdio

[ 71/385] test_multiprocessing_spawn
RuntimeError: I/O operations still in flight while destroying Overlapped object, the process may crash
RuntimeError: I/O operations still in flight while destroying Overlapped object, the process may crash
RuntimeError: I/O operations still in flight while destroying Overlapped object, the process may crash
RuntimeError: I/O operations still in flight while destroying Overlapped object, the process may crash
RuntimeError: I/O operations still in flight while destroying Overlapped object, the process may crash
RuntimeError: I/O operations still in flight while destroying Overlapped object, the process may crash
RuntimeError: I/O operations still in flight while destroying Overlapped object, the process may crash
RuntimeError: I/O operations still in flight while destroying Overlapped object, the process may crash
RuntimeError: I/O operations still in flight while destroying Overlapped object, the process may crash
RuntimeError: I/O operations still in flight while destroying Overlapped object, the process may crash
RuntimeError: I/O operations still in flight while destroying Overlapped object, the process may crash
Assertion failed: !PyErr_Occurred(), file ..\Python\ceval.c, line 4077

----------
messages: 202725
nosy: gvanrossum, haypo, neologix, sbt
priority: normal
severity: normal
status: open
title: test_multiprocessing_spawn: RuntimeError and assertion error on windows xp buildbot
versions: Python 3.4

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue19565>
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