I’m in favour of dumping OpenMPI. It also causes us parallel test issues cf https://github.com/firedrakeproject/firedrake/issues/1199 Are there any downsides with going to mpich? Dr David Ham Department of Mathematics Imperial College London On 19 Mar 2018, at 17:30, Lawrence Mitchell <lawrence.mitchell@imperial.ac.uk<mailto:lawrence.mitchell@imperial.ac.uk>> wrote: Hi Owen, On 19 Mar 2018, at 17:19, Owen Pembery <O.R.Pembery@bath.ac.uk<mailto:O.R.Pembery@bath.ac.uk>> wrote: Hi Lawrence, I'm running Ubuntu 17.10, and I get: gcc --version gcc (Ubuntu 7.2.0-8ubuntu3.2) 7.2.0 mpicc -show gcc -I/usr/lib/x86_64-linux-gnu/openmpi/include/openmpi -I/usr/lib/x86_64-linux-gnu/openmpi/include/openmpi/opal/mca/event/libevent2022/libevent -I/usr/lib/x86_64-linux-gnu/openmpi/include/openmpi/opal/mca/event/libevent2022/libevent/include -I/usr/lib/x86_64-linux-gnu/openmpi/include -pthread -L/usr//lib -L/usr/lib/x86_64-linux-gnu/openmpi/lib -lmpi OpenMPI output is in attached .txt file. Ugh, I think this might be this bug: https://github.com/firedrakeproject/firedrake/issues/1153 Seemingly no change has occurred since then. Can you try any of the workarounds described there? We can provide more details on how to do this. Everyone: should we just ditch OpenMPI? Cheers, Lawrence _______________________________________________ firedrake mailing list firedrake@imperial.ac.uk<mailto:firedrake@imperial.ac.uk> https://mailman.ic.ac.uk/mailman/listinfo/firedrake