SU2_CFD: error while loading shared libraries: libmpi.so.20: cannot open shared objec

wpowell · June 19, 2020, 10:56

Hello,
I did a search of this error message and didnt find anything so hoping you guys can help. I did find a few mentions on google but they were for another application and mentioned a wrong /lib folder in the config.
I have a Professor who is trying to install SU2 on our IBM Spectrum Scale HPC.
During install the Professor has set
LD_LIBRARY_PATH="/opt/ibm/platform_mpi/lib"
mpirun path is “/opt/ibm/platform_mpi/bin/mpirun“.
mpicc path as "/usr/mpi/gcc/openmpi-2.1.2a1/bin/mpicc" and
mpicxx path as "/usr/mpi/gcc/openmpi-2.1.2a1/bin/mpicxx".
We also tried
mpirun path as “/opt/ibm/platform_mpi/bin/mpirun“.
mpicc path as “/opt/ibm/platform_mpi/bin/mpicc“
mpicxx path as “/opt/ibm/platform_mpi/bin/mpicxx“
But Still get this error.

SU2_CFD: error while loading shared libraries: libmpi.so.20: cannot open shared object file: No such file or directory

thanks for any information you can give me.

pcg · June 20, 2020, 04:05

Are you building the code from source or using the precompiled binaries?

wpowell · June 22, 2020, 08:40

Quote:

Originally Posted by pcg

Are you building the code from source or using the precompiled binaries?

Thanks for the reply.

The user is compiling from source code.

pcg · June 23, 2020, 04:41

Can you post the output during compilation just to make sure the build system picked up MPI (and which version).
Also LD_LIBRARY_PATH needs to be set when you run the code, not just when compiling.

wpowell · June 24, 2020, 09:39

Thanks for the reply. I believe the problem is we need an update. Working with vendor on this.

Thank you.

June 19, 2020, 10:56	SU2_CFD: error while loading shared libraries: libmpi.so.20: cannot open shared objec	#1
wpowell New Member Liam Join Date: Jun 2020 Posts: 3 Rep Power: 6	Hello, I did a search of this error message and didnt find anything so hoping you guys can help. I did find a few mentions on google but they were for another application and mentioned a wrong /lib folder in the config. I have a Professor who is trying to install SU2 on our IBM Spectrum Scale HPC. During install the Professor has set LD_LIBRARY_PATH="/opt/ibm/platform_mpi/lib" mpirun path is “/opt/ibm/platform_mpi/bin/mpirun“. mpicc path as "/usr/mpi/gcc/openmpi-2.1.2a1/bin/mpicc" and mpicxx path as "/usr/mpi/gcc/openmpi-2.1.2a1/bin/mpicxx". We also tried mpirun path as “/opt/ibm/platform_mpi/bin/mpirun“. mpicc path as “/opt/ibm/platform_mpi/bin/mpicc“ mpicxx path as “/opt/ibm/platform_mpi/bin/mpicxx“ But Still get this error. SU2_CFD: error while loading shared libraries: libmpi.so.20: cannot open shared object file: No such file or directory thanks for any information you can give me.

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June 20, 2020, 04:05		#2
pcg Senior Member Pedro Gomes Join Date: Dec 2017 Posts: 466 Rep Power: 13	Are you building the code from source or using the precompiled binaries?

June 23, 2020, 04:41		#4
pcg Senior Member Pedro Gomes Join Date: Dec 2017 Posts: 466 Rep Power: 13	Can you post the output during compilation just to make sure the build system picked up MPI (and which version). Also LD_LIBRARY_PATH needs to be set when you run the code, not just when compiling.

June 24, 2020, 09:39		#5
wpowell New Member Liam Join Date: Jun 2020 Posts: 3 Rep Power: 6	Thanks for the reply. I believe the problem is we need an update. Working with vendor on this. Thank you.