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Subject: Re: [OMPI users] Newbie question?
From: Ralph Castain (rhc_at_[hidden])
Date: 2012-09-15 14:24:19


Ah - note that there is no LD_LIBRARY_PATH in the environment. That's the problem

On Sep 15, 2012, at 11:19 AM, John Chludzinski <john.chludzinski_at_[hidden]> wrote:

> $ 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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