[mpich-discuss] libmpi.so.12 error

[Sophie Norman]

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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