New submission from A. Jesse Jiryu Davis:

Running a unittest suite for Motor, my MongoDB driver which uses PyMongo, 
greenlet, and Tornado. The suite commonly segfaults during interpreter 
shutdown. I've reproduced this crash with Python 3.3.5, 3.4.1, and 3.4.2. 
Python 2.6 and 2.7 do *not* crash. The Python interpreters are all built like:

./configure --prefix=/mnt/jenkins/languages/python/rX.Y.Z --enable-shared && 
make && make install

This is Amazon Linux AMI release 2014.09.

The unittest suite's final output is:

----------------------------------------------------------------------
Ran 15 tests in 265.947s

OK
Segmentation fault (core dumped)

Backtrace from a Python 3.4.2 coredump attached.

----------
components: Interpreter Core
files: dump.txt
messages: 231345
nosy: emptysquare
priority: normal
severity: normal
status: open
title: segfault during shutdown attempting to log ResourceWarning
type: crash
versions: Python 3.4
Added file: http://bugs.python.org/file37224/dump.txt

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