In line 146 of tests/testCoaddBoundedField.py using
causes a segfault on Jenkins, but only on centos7 running Python 2. It passes on centos 6 running Python 2. See https://ci.lsst.codes/job/stack-os-matrix/23424/label=centos-7,python=py2/console (The results of Mac builds are not yet known, as they are badly backed up.)
My suspicion is a bug in the gcc compiler used by Jenkins on centos 7. We plan to move to a newer compiler soon (using devtoolset) so this may not be worth spending a lot of time on.