[mpich-discuss] libmpi.so.12 error

[Sophie Norman]

Hi Ken,
Yes I used mpicc to build the binary

the oputput of mpicc -show is

gcc -I/home/rpimpi/mpich3-install/include -L/home/rpimpi/mpich3-install/lib
-Wl,-rpath -Wl,/home/rpimpi/mpich3-install/lib -Wl,--enable-new-dtags -lmpi
-lrt -lpthread


Sophie

On 9 September 2014 00:48, Kenneth Raffenetti <raffenet at mcs.anl.gov> wrote:

> 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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