Dear developers,also the following issue is defintely raised by a misconfiguration of Open MPI, SIGSEGV's in 'ompi_info' isn'n a good thing, thus this one mail.
Just call: $ export OMPI_MCA_mtl="^tcp,^ib" $ ompi_info --param all all --level 9 ... and take a look at the below core dump of 'ompi_info' like below one. (yes we know that "^tcp,^ib" is a bad idea). Have a nice day, Paul Kapinos P.S. Open MPI: 1.10.4 and 2.0.1 have the same behaviour -------------------------------------------------------------------------- [lnm001:39957] *** Process received signal *** [lnm001:39957] Signal: Segmentation fault (11) [lnm001:39957] Signal code: Address not mapped (1) [lnm001:39957] Failing at address: (nil) [lnm001:39957] [ 0] /lib64/libpthread.so.0(+0xf100)[0x2b30f1a79100][lnm001:39957] [ 1] /opt/MPI/openmpi-1.10.4/linux/intel_16.0.2.181/lib/libopen-pal.so.13(+0x2f11f)[0x2b30f084911f] [lnm001:39957] [ 2] /opt/MPI/openmpi-1.10.4/linux/intel_16.0.2.181/lib/libopen-pal.so.13(+0x2f265)[0x2b30f0849265] [lnm001:39957] [ 3] /opt/MPI/openmpi-1.10.4/linux/intel_16.0.2.181/lib/libopen-pal.so.13(opal_info_show_mca_params+0x91)[0x2b30f0849031] [lnm001:39957] [ 4] /opt/MPI/openmpi-1.10.4/linux/intel_16.0.2.181/lib/libopen-pal.so.13(opal_info_do_params+0x1f4)[0x2b30f0848e84]
[lnm001:39957] [ 5] ompi_info[0x402643] [lnm001:39957] [ 6] /lib64/libc.so.6(__libc_start_main+0xf5)[0x2b30f1ca7b15] [lnm001:39957] [ 7] ompi_info[0x4022a9] [lnm001:39957] *** End of error message *** zsh: segmentation fault (core dumped) ompi_info --param all all --level 9 -------------------------------------------------------------------------- -- Dipl.-Inform. Paul Kapinos - High Performance Computing, RWTH Aachen University, IT Center Seffenter Weg 23, D 52074 Aachen (Germany) Tel: +49 241/80-24915
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