I'm testing out rebuilding Fedora packages with openmpi 3.1 in Fedora COPR:


A number of packages are failing running tests only on Fedora Rawhide x86_64 with processes killed with signal 4 (Illegal instruction). For example:

+ PYTHONPATH=/builddir/build/BUILDROOT/mpi4py-3.0.0-6.git39ca78422646.fc30.x86_64/usr/lib64/python2.7/site-packages/openmpi + mpiexec -n 1 python2 test/runtests.py -v --no-builddir --thread-level=serialized -e spawn BUILDSTDERR: --------------------------------------------------------------------------
BUILDSTDERR: Primary job  terminated normally, but 1 process returned
BUILDSTDERR: a non-zero exit code. Per user-direction, the job has been aborted. BUILDSTDERR: -------------------------------------------------------------------------- BUILDSTDERR: -------------------------------------------------------------------------- BUILDSTDERR: mpiexec noticed that process rank 0 with PID 0 on node 656ae442c6bf45fe9b45c5481f41bc45 exited on signal 4 (Illegal instruction). BUILDSTDERR: --------------------------------------------------------------------------

Unfortunately I have been unable to reproduce this in any local mock builds. So I'm left wondering if this is some kind of peculiarity with the COPR builders or if there is a real problem with openmpi. Any suggestions for how to further debug this would be greatly appreciated.

(PID 0 seems very odd - that seems to be the same in the different failures)

- Orion

Orion Poplawski
Manager of NWRA Technical Systems          720-772-5637
NWRA, Boulder/CoRA Office             FAX: 303-415-9702
3380 Mitchell Lane                       or...@nwra.com
Boulder, CO 80301                 https://www.nwra.com/
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