hi same issue reported previously http://www.open-mpi.org/community/lists/users/2011/03/15915.php
updated to version 1.5.4 for OpenMPI and Intel XE. I tried with 12.0.3.137, 12.0.4.191 and 12.0.5.220 (latest). -> same failure for opal_datatype_test. Cheers, Tru -- Dr Tru Huynh | http://www.pasteur.fr/recherche/unites/Binfs/ mailto:t...@pasteur.fr | tel/fax +33 1 45 68 87 37/19 Institut Pasteur, 25-28 rue du Docteur Roux, 75724 Paris CEDEX 15 France