[mpich-discuss] libmpi.so.12 error

[Kenneth Raffenetti]

Did you use mpicc to build your binary? What is the output of 'mpicc 
-show'. The compile wrappers should encode an RPATH tag in your program 
so that setting an LD_LIBRARY_PATH to find libmpi.so is unncessary.

Ken

On 09/08/2014 06:44 PM, Sophie Norman wrote:
> Hi,
>
> When running NAS parallel benchmarks using 4 Raspberry Pi nodes each
> running MPICH-3.1.2 I get the following error when I try to run the
> integer sort benchmark
>
> ~/NPB3.3/NPB3.3-MPI/bin $ mpiexec -n 4 -machinefile
> /home/pi/mpi_testing/machinefile ./is.S.4
>
>
>   NAS Parallel Benchmarks 3.3 -- IS Benchmark
>
>   Size:  65536  (class S)
>   Iterations:   10
>   Number of processes:     1
>
>   ERROR: compiled for 4 processes
>   Number of active processes: 1
>   Exiting program!
>
> ./is.S.4: error while loading shared libraries: libmpi.so.12: cannot
> open shared object file: No such file or directory
> ./is.S.4: error while loading shared libraries: libmpi.so.12: cannot
> open shared object file: No such file or directory
> ./is.S.4: error while loading shared libraries: libmpi.so.12: cannot
> open shared object file: No such file or directory
>
>
>
> I have tried
> export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/home/rpimpi/mpich3-install/lib
> on each of the nodes, and each node works individually when run with
>   the file ./is.S.1
>
> $ldd ./is.S.4 give the following output for the master node
>
> /usr/lib/arm-linux-gnueabihf/libcofi_rpi.so (0xb6edf000)
> libmpi.so.12 => /home/rpimpi/mpich3-install/lib/libmpi.so.12 (0xb6ca3000)
> libc.so.6 => /lib/arm-linux-gnueabihf/libc.so.6 (0xb6b68000)
> librt.so.1 => /lib/arm-linux-gnueabihf/librt.so.1 (0xb6b59000)
> libpthread.so.0 => /lib/arm-linux-gnueabihf/libpthread.so.0 (0xb6b3a000)
> libgfortran.so.3 => /usr/lib/arm-linux-gnueabihf/libgfortran.so.3
> (0xb6a93000)
> libm.so.6 => /lib/arm-linux-gnueabihf/libm.so.6 (0xb6a22000)
> libgcc_s.so.1 => /lib/arm-linux-gnueabihf/libgcc_s.so.1 (0xb69fa000)
> /lib/ld-linux-armhf.so.3 (0xb6eed000)
>
>
> please help
>
> Thanks
>
> Sophie
>
>
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