All programs in the pwtool/ directory should be run on just one processor. I am not sure that this is relevant to your problem, though
Paolo -- Paolo Giannozzi e-mail: giannozz at nest.sns.it Scuola Normale Superiore Phone: +39/050-509876, Fax:-563513 Piazza dei Cavalieri 7 I-56126 Pisa, Italy
