More specifically -- ensure that LD_LIBRARY_PATH is set properly *on all nodes where you are running Open MPI processes*.
For example, if you're using a hostfile to launch across multiple machines, ensure that your shell startup files (e.g., .bashrc) are setup to set your LD_LIBRARY_PATH properly, even for non-interactive logins. On Feb 27, 2011, at 4:49 PM, swagat mishra wrote: > you need to set up LD_LIBRARY_PATH to point to the folder where your shared > libraries are located > LD_LIBRARY_PATH=/usr/local/library/folder > > On Mon, Feb 28, 2011 at 3:03 AM, Sonyx Wonda <so...@ymail.com> wrote: > > Hello! > > I am a newbie to openmpi and I am having some trouble running openmpi > programs. > I downloaded and installed the latest version from the web site > (openmpi-1.4.3) and the whole process completed successfully. Both > ./configure and make all install commands were successful. I am able to > compile open-mpi codes (using mpicc and mpiCC) as I did with the example > files provided within the source package, but I have a problem when it comes > to actually running the executable created. For example, when I tried to run > the "hello world" program using: mpirun -np 2 ./hello_c I got the following > output: > > hello_c: error while loading shared libraries: libopen-rte.so.0: cannot open > shared object file: No such file or directory > > (I did find the libopen-rte.so.0 file in the /usr/local/lib/ folder) > I have tried re-installing but this doesn't seem to work. > I use Linux Mandriva 2007 with the bash shell. The attached compressed folder > contains the config.log file and the output from the ompi_info --all command > (ompi_info.out), and below is the value of the $PATH environment variable > > /sbin:/usr/sbin:/bin:/usr/bin:/usr/X11R6/bin:/usr/local/bin:/usr/local/sbin:/usr/lib/qt3//bin: > > Thanks in advance for your help. > Regards. > > > > > > _______________________________________________ > 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 -- Jeff Squyres jsquy...@cisco.com For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/