[mpich-discuss] Need help with "Error while loading shared libraries"when starting MPIRUN

[ddkrause]

Alex Loh wrote:
> Hi all,
>
> I have an MPI program which runs well with -np 1, but when I try to
> run it in parallel (-np 2), it crashes with the message:
>
> "error while loading shared libraries: libcode_unified.so.2: cannot
> open shared object file: No such file or directory
> p0_26145:  p4_error: Child process exited while making connection to
> remote process on <hostname>: 0
> p0_26145: (2.105343) net_send: could not write to fd=4, errno = 32"
>
> libcode_unified.so.2 is a library that my program needs in order to run.
>
> I read that this is related to the LD_LIBRARY_PATH, but I am sure that
> my environment is set correctly. I have it exported in .bash_profile
> which I believe works for non-interactive logins. I have also wrote
> small test programs to echo the value of LD_LIBRARY_PATH and these
> display the correct path to find the library file. My small test
> programs (that don't use libraries) also run well in parallel.
>
> Does anyone have any ideas?
>
>
> Thanks,
> Alex Loh.
Did you try to pass LD_LIBRARY_PATH to the program by means of the -genv
or -genvlist switches?

Regards,
Dorian Krause