We're having this same problem with 1.3 and 1.3.1. In our case, it looks like mca_plm_lsf.so doesn't load libbat or liblsf:
[root@hero0101 openmpi]# ldd mca_plm_lsf.so libnsl.so.1 => /lib64/libnsl.so.1 (0x00002adbec183000) libutil.so.1 => /lib64/libutil.so.1 (0x00002adbec39b000) libm.so.6 => /lib64/libm.so.6 (0x00002adbec59e000) libpthread.so.0 => /lib64/libpthread.so.0 (0x00002adbec822000) libc.so.6 => /lib64/libc.so.6 (0x00002adbeca3c000) /lib64/ld-linux-x86-64.so.2 (0x0000003945c00000) [root@hero0101 openmpi]# mca_ess_lsf.so and mca_ras_lsf.so both do, however, e.g., [root@hero0101 openmpi]# ldd mca_ras_lsf.so libbat.so => /lsf/7.0/linux2.6-glibc2.3-x86_64/lib/libbat.so (0x00002b86740ee000) liblsf.so => /lsf/7.0/linux2.6-glibc2.3-x86_64/lib/liblsf.so (0x00002b8674384000) libnsl.so.1 => /lib64/libnsl.so.1 (0x00002b8674693000) libutil.so.1 => /lib64/libutil.so.1 (0x00002b86748ac000) libm.so.6 => /lib64/libm.so.6 (0x00002b8674aaf000) libpthread.so.0 => /lib64/libpthread.so.0 (0x00002b8674d32000) libc.so.6 => /lib64/libc.so.6 (0x00002b8674f4d000) /lib64/ld-linux-x86-64.so.2 (0x0000003945c00000) [root@hero0101 openmpi]# Chris