Hi Bill, So far as I know there are two things you need to check(maybe limited but hope to be helpful): 1. using *chrpath -l* ./*mpiexec* to check the running path of your binary. If you have set it, please delete it. 2. check if the path of libgfortran.so is included in the environmental variable LD_LIBRARY_PATH. The path of the dynamic library link has to be included in the LD_LIBRARY_PATH so that the execution binary can find it. Thanks, Shuwei On Sun, 14 Jan 2018 at 15:24 Robert Sullivan <[email protected]> wrote:

Hi Bill - I’m no expert, but might be worth double checking that GCC and gfortran are installed on all the nodes you’re including in the machines file.

Rob

On Sun, 14 Jan 2018 at 20:27, Bill Petrick <[email protected]> wrote:

...

Hi,

I've installed mpich-v3.2.1 into my cluster but I am having problems. My MPICH installation is configured with the gfortran compiler. Although I can compile my parallel program with no errors, I can not run it. Below is the error message I get. Would you please help me with this problem. I also added the following lines to my /etc/environment and .bashrc file export PATH=/clusterfiles/mpich2/bin:$PATH

and LD_LIBRARY_PATH=/clusterfiles/mpich2/lib:$LD_LIBRARY_PATH

$ mpiexec -f machines -launcher rsh -n 2 ./a.out ./a.out: error while loading shared libraries: libgfortran.so.3: cannot open shared object file: No such file or directory

libgfortran.so.3 does reside on my computer just not in my nfs'ed "/clusterfiles/mpich2/lib"

Please find attached my c.txt, m.txt and mi.txt files

I appreciate any clues you might have. Thanks and cheers, Bill

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