What version of OMPI? What shell? On May 10, 2010, at 2:05 AM, Miguel Ángel Vázquez wrote:
> Hello Prentice, > > Thank you for your advice but that doesn't solve the problem. > > The non-login bash updates properly the $LD_LIBRARY_PATH value. > > Any other idea? > > Thanks, > > Miguel > > 2010/5/7 Prentice Bisbal <prent...@ias.edu> > > > Miguel Ángel Vázquez wrote: > > Dear all, > > > > I am trying to run a C++ program which uses dynamic libraries under mpi. > > > > The compilation command looks like: > > > > mpiCC `pkg-config --cflags itpp` -o montecarlo montecarlo.cpp > > `pkg-config --libs itpp` > > > > And it works if I executed it in one machine: > > > > mpirun -np 2 -H localhost montecarlo > > > > I tested this both in the "master node" and in the "compute nodes" and > > it works. However, when I try to run it with two different machines: > > > > mpirun -np 2 -H localhost,hpcnode1 montecarlo > > > > The program claims that it can't find the shared libraries: > > > > montecarlo: error while loading shared libraries: libitpp.so.6: cannot > > open shared object file: No such file or directory > > > > The LD_LIBRARY_PATH is set properly at every machine, any idea where the > > problem is? I attached you the config.log and the result of the omp-info > > --all > > > > Thank you in advance, > > > > Miguel > > Miguel, > > Shells behave differently depending on whether it is an interactive > login shell or a non-interactive shell. For example, the bash shell uses > .bash_profile in case, but .bashrc in the other. Check the documentation > for your shell and see what files it uses in each case, and make sure > the non-login config file has the necessary settings for your MPI jobs. > It sounds like your login shell environment is okay, but your non-login > environment isn't setup correctly. This is a common problem. > > I use bash, and to keep it simple, my .bash_profile is just a symbolic > link to .bashrc. That way, both shell types have the same environment. > This isn't always a good idea, but in my case it's fine. > > -- > Prentice > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
