[Trilinos-Users] [Pytrilinos-users] Some Days the Fun Never Stops

[Bill Spotz]

No, this is an improvement.  But shared libraries can be a little more  
touchy to use.  This message is saying that the libraries are found  
but that an (actually all) MPI symbol(s) is (are) undefined.

Different systems and MPI versions behave differently, but you appear  
to need to run PyTrilinos scripts under mpirun or mpiexec, etc.

On Mar 7, 2009, at 3:53 PM, Matt G wrote:

> I came up with a new interesting glitch:
>
> Originally my installation (prefixed to my home directory on the HPC  
> here)  could not find "libteuchos.so" located in my local lib  
> directory, but after doing:
>
> export LD_LIBRARY_PATH=/home/u27/mgoodman/lib
>
> I get a new and not very meaningful error message:
>
> In [1]: from PyTrilinos import *
> ---------------------------------------------------------------------------
> ImportError                               Traceback (most recent  
> call last)
>
> /homeB/home4/u24/agh/<ipython console> in <module>()
>
> /home/u27/mgoodman/lib/python2.6/site-packages/PyTrilinos/Teuchos.py  
> in <module>()
>      43 """
>      44
> ---> 45 import _Teuchos
>      46 import new
>      47 new_instancemethod = new.instancemethod
>
> ImportError: /home/u27/mgoodman/lib/libepetra.so: undefined symbol:  
> _ZN3MPI2Op4InitEPFvPKvPviRKNS_8DatatypeEEb
>
> Which looks much uglier, frankly.  Are my libraries landing in the  
> wrong directories somehow?
>
> Any thoughts?
> -Matt
> <ATT00001.txt>

** Bill Spotz                                              **
** Sandia National Laboratories  Voice: (505)845-0170      **
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