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Subject: Re: [OMPI users] Newbie question?
From: John Chludzinski (john.chludzinski_at_[hidden])
Date: 2012-09-15 14:19:17


$ which mpiexec
/usr/lib/openmpi/bin/mpiexec

# mpiexec -n 1 printenv | grep PATH
PATH=/usr/lib/openmpi/bin/:/usr/lib/ccache:/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin:/home/jski/.local/bin:/home/jski/bin
MODULEPATH=/usr/share/Modules/modulefiles:/etc/modulefiles
WINDOWPATH=1

On Sat, Sep 15, 2012 at 1:11 PM, Ralph Castain <rhc_at_[hidden]> wrote:

> Couple of things worth checking:
>
> 1. verify that you executed the "mpiexec" you think you did - a simple
> "which mpiexec" should suffice
>
> 2. verify that your environment is correct by "mpiexec -n 1 printenv |
> grep PATH". Sometimes the ld_library_path doesn't carry over like you think
> it should
>
>
> On Sep 15, 2012, at 10:00 AM, John Chludzinski <john.chludzinski_at_[hidden]>
> wrote:
>
> I installed OpenMPI (I have a simple dual core AMD notebook with Fedora
> 16) via:
>
> # yum install openmpi
> # yum install openmpi-devel
> # mpirun --version
> mpirun (Open MPI) 1.5.4
>
> I added:
>
> $ PATH=PATH=/usr/lib/openmpi/bin/:$PATH
> $ LD_LIBRARY_PATH=/usr/lib/openmpi/lib/
>
> Then:
>
> $ mpif90 ex1.f95
> $ mpiexec -n 4 ./a.out
> ./a.out: error while loading shared libraries: libmpi_f90.so.1: cannot
> open shared object file: No such file or directory
> ./a.out: error while loading shared libraries: libmpi_f90.so.1: cannot
> open shared object file: No such file or directory
> ./a.out: error while loading shared libraries: libmpi_f90.so.1: cannot
> open shared object file: No such file or directory
> ./a.out: error while loading shared libraries: libmpi_f90.so.1: cannot
> open shared object file: No such file or directory
> --------------------------------------------------------------------------
> mpiexec noticed that the job aborted, but has no info as to the process
> that caused that situation.
> --------------------------------------------------------------------------
>
> ls -l /usr/lib/openmpi/lib/
> total 6788
> lrwxrwxrwx. 1 root root 25 Sep 15 12:25 libmca_common_sm.so ->
> libmca_common_sm.so.2.0.0
> lrwxrwxrwx. 1 root root 25 Sep 14 16:14 libmca_common_sm.so.2 ->
> libmca_common_sm.so.2.0.0
> -rwxr-xr-x. 1 root root 8492 Jan 20 2012 libmca_common_sm.so.2.0.0
> lrwxrwxrwx. 1 root root 19 Sep 15 12:25 libmpi_cxx.so ->
> libmpi_cxx.so.1.0.1
> lrwxrwxrwx. 1 root root 19 Sep 14 16:14 libmpi_cxx.so.1 ->
> libmpi_cxx.so.1.0.1
> -rwxr-xr-x. 1 root root 87604 Jan 20 2012 libmpi_cxx.so.1.0.1
> lrwxrwxrwx. 1 root root 19 Sep 15 12:25 libmpi_f77.so ->
> libmpi_f77.so.1.0.2
> lrwxrwxrwx. 1 root root 19 Sep 14 16:14 libmpi_f77.so.1 ->
> libmpi_f77.so.1.0.2
> -rwxr-xr-x. 1 root root 179912 Jan 20 2012 libmpi_f77.so.1.0.2
> lrwxrwxrwx. 1 root root 19 Sep 15 12:25 libmpi_f90.so ->
> libmpi_f90.so.1.1.0
> lrwxrwxrwx. 1 root root 19 Sep 14 16:14 libmpi_f90.so.1 ->
> libmpi_f90.so.1.1.0
> -rwxr-xr-x. 1 root root 10364 Jan 20 2012 libmpi_f90.so.1.1.0
> lrwxrwxrwx. 1 root root 15 Sep 15 12:25 libmpi.so -> libmpi.so.1.0.2
> lrwxrwxrwx. 1 root root 15 Sep 14 16:14 libmpi.so.1 -> libmpi.so.1.0.2
> -rwxr-xr-x. 1 root root 1383444 Jan 20 2012 libmpi.so.1.0.2
> lrwxrwxrwx. 1 root root 21 Sep 15 12:25 libompitrace.so ->
> libompitrace.so.0.0.0
> lrwxrwxrwx. 1 root root 21 Sep 14 16:14 libompitrace.so.0 ->
> libompitrace.so.0.0.0
> -rwxr-xr-x. 1 root root 13572 Jan 20 2012 libompitrace.so.0.0.0
> lrwxrwxrwx. 1 root root 20 Sep 15 12:25 libopen-pal.so ->
> libopen-pal.so.3.0.0
> lrwxrwxrwx. 1 root root 20 Sep 14 16:14 libopen-pal.so.3 ->
> libopen-pal.so.3.0.0
> -rwxr-xr-x. 1 root root 386324 Jan 20 2012 libopen-pal.so.3.0.0
> lrwxrwxrwx. 1 root root 20 Sep 15 12:25 libopen-rte.so ->
> libopen-rte.so.3.0.0
> lrwxrwxrwx. 1 root root 20 Sep 14 16:14 libopen-rte.so.3 ->
> libopen-rte.so.3.0.0
> -rwxr-xr-x. 1 root root 790052 Jan 20 2012 libopen-rte.so.3.0.0
> -rw-r--r--. 1 root root 301520 Jan 20 2012 libotf.a
> lrwxrwxrwx. 1 root root 15 Sep 15 12:25 libotf.so -> libotf.so.0.0.1
> lrwxrwxrwx. 1 root root 15 Sep 14 16:14 libotf.so.0 -> libotf.so.0.0.1
> -rwxr-xr-x. 1 root root 206384 Jan 20 2012 libotf.so.0.0.1
> -rw-r--r--. 1 root root 337970 Jan 20 2012 libvt.a
> -rw-r--r--. 1 root root 591070 Jan 20 2012 libvt-hyb.a
> lrwxrwxrwx. 1 root root 18 Sep 15 12:25 libvt-hyb.so ->
> libvt-hyb.so.0.0.0
> lrwxrwxrwx. 1 root root 18 Sep 14 16:14 libvt-hyb.so.0 ->
> libvt-hyb.so.0.0.0
> -rwxr-xr-x. 1 root root 428844 Jan 20 2012 libvt-hyb.so.0.0.0
> -rw-r--r--. 1 root root 541004 Jan 20 2012 libvt-mpi.a
> lrwxrwxrwx. 1 root root 18 Sep 15 12:25 libvt-mpi.so ->
> libvt-mpi.so.0.0.0
> lrwxrwxrwx. 1 root root 18 Sep 14 16:14 libvt-mpi.so.0 ->
> libvt-mpi.so.0.0.0
> -rwxr-xr-x. 1 root root 396352 Jan 20 2012 libvt-mpi.so.0.0.0
> -rw-r--r--. 1 root root 372352 Jan 20 2012 libvt-mt.a
> lrwxrwxrwx. 1 root root 17 Sep 15 12:25 libvt-mt.so ->
> libvt-mt.so.0.0.0
> lrwxrwxrwx. 1 root root 17 Sep 14 16:14 libvt-mt.so.0 ->
> libvt-mt.so.0.0.0
> -rwxr-xr-x. 1 root root 266104 Jan 20 2012 libvt-mt.so.0.0.0
> -rw-r--r--. 1 root root 60390 Jan 20 2012 libvt-pomp.a
> lrwxrwxrwx. 1 root root 14 Sep 15 12:25 libvt.so -> libvt.so.0.0.0
> lrwxrwxrwx. 1 root root 14 Sep 14 16:14 libvt.so.0 -> libvt.so.0.0.0
> -rwxr-xr-x. 1 root root 242604 Jan 20 2012 libvt.so.0.0.0
> -rwxr-xr-x. 1 root root 303591 Jan 20 2012 mpi.mod
> drwxr-xr-x. 2 root root 4096 Sep 14 16:14 openmpi
>
>
> The file (actually, a link) it claims it can't find: libmpi_f90.so.1, is
> clearly there. And LD_LIBRARY_PATH=/usr/lib/openmpi/lib/.
>
> What's the problem?
>
> ---John
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