On Mar 25, 2012, at 15:16 , Ihsan Erikat wrote: > Does anyone know what might cause this behavior? you are running in parallel a code compiled for serial execution P. --- Paolo Giannozzi, Dept of Chemistry&Physics&Environment, Univ. Udine, via delle Scienze 208, 33100 Udine, Italy Phone +39-0432-558216, fax +39-0432-558222