Comment 2 for bug 680161

Confirming this problem as it also affects OpenMPI. Jobs still process, but I'm not sure how much it affects jobs.

nemo:~$ mpirun -np 13 -machinefile mpd.hosts hello
libibverbs: Warning: couldn't load driver 'mlx4': /usr/lib/libmlx4-rdmav2.so: symbol ibv_cmd_reg_xrc_rcv_qp, version IBVERBS_1.1 not defined in file libibverbs.so.1 with link time reference
... x 13 ...
Process 12 on nemo out of 13
Process 0 on tile-0-0 out of 13
Process 7 on tile-1-3 out of 13
Process 1 on tile-0-1 out of 13
Process 8 on tile-2-0 out of 13
Process 3 on tile-0-3 out of 13
Process 2 on tile-0-2 out of 13
Process 5 on tile-1-1 out of 13
Process 11 on tile-2-3 out of 13
Process 9 on tile-2-1 out of 13
Process 4 on tile-1-0 out of 13
Process 6 on tile-1-2 out of 13
Process 10 on tile-2-2 out of 13