parallel run gives twice the same output on IBM AIX 6.1

[m.cestari]

Dear users,
we have successfully compiled abinit 6.4.1 @ CINECA (IBM-SP6/AIX 6.1).

The serial tests went fine but now we are facing some issues with parallel
tests. We have tried to run the example as described in the tutorial

http://www.abinit.org/documentation/hel ... elism.html

We have executed abinit typing:

$ poe abinit < tparal_1.files >& tparal_1.log -procs 4

I'm attaching the .log file. As far as I understand correctly, it seems that this run
performs 4 times the same calculation. To summarize, it seems to me that instead of
a parallel job with 4 tasks, 4 serial jobs have been executed.

In the following I report the build information

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=== Build Information ===
Version : 6.4.1
Build target : powerpc_aix6.1.0.0_ibm12.1
Build date : 20101115

=== Compiler Suite ===

=== Compiler Suite ===
C compiler : ibm10.1
CFLAGS : -O3 -qarch=pwr6 -qtune=pwr6 -qstrict -q64 -qsuppress=1501-245
C++ compiler : ibm10.1
CXXFLAGS : -O3 -qarch=pwr6 -qtune=pwr6 -qstrict -q64 -qsuppress=1501-245
Fortran compiler : ibm12.1
FCFLAGS : -O3 -qarch=pwr6 -qtune=pwr6 -qstrict -q64 -qsuppress=1501-245
FC_LDFLAGS :

=== Optimizations ===
Debug level : yes
Optimization level : standard
Architecture : ibm_powerpc

=== MPI ===
Parallel build : yes
Parallel I/O : yes

=== Linear algebra ===
Library flavor : @linalg_flavor@
Use ScaLAPACK : yes

=== Plug-ins ===
BigDFT : no
ETSF I/O : no
LibXC : no
FoX : no
NetCDF : no
Wannier90 : no

=== Experimental features ===
Bindings : no
Exports : no

.Starting date : Mon 15 Nov 2010.
- ( at 17h25 )

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

So it seems that the application is correctly a parallel build.
Please, let me know if you have any idea to fix this problem.

Kind regards,
Mirko