[Rivet] agile fails to load lhapdf on batch system

[Andy Buckley]

Holger Schulz wrote:
> Hi,
> 
> I have installed the Rivet/AGILe package on the sl5 64 bit gcc41 system and
> I can produce data in interactive mode. However, when I send a job to the
> farm I always get a segfault, which seems to be related to AGILe being 
> unable
> to load LHAPDF.so, though "rivetgun -l AGILe.

> AGILe.Loader: TRACE  Testing for 
> /afs/ifh.de/group/atlas/users/scratch/hschulz/Software/lib/libLHAPDF.so
> AGILe.Loader: TRACE  Found 
> /afs/ifh.de/group/atlas/users/scratch/hschulz/Software/lib/libLHAPDF.so
> AGILe.Loader: DEBUG  LHAPDF is available
[...]
> AGILe.Loader: TRACE  Trying to load 
> /afs/ifh.de/group/atlas/users/scratch/hschulz/Software/lib/libLHAPDF.so
> AGILe.Loader: TRACE  Failed to load 
> /afs/ifh.de/group/atlas/users/scratch/hschulz/Software/lib/libLHAPDF.so

> Any ideas what I do wrong?

The loader tests first to see if the libraries exist, but doesn't try to load
them. So this output indicates that libLHAPDF.so exists but couldn't be loaded.
This could be due to a binary incompatibility, e.g. you're trying to load a 64
bit LHAPDF library on a 32 bit OS. Does that sound feasible?

Andy