Newsgroups: comp.parallel.mpi From: Thomas Fuerle Subject: Re: p4_error Organization: Vienna University, Austria Date: Mon, 06 Jul 1998 13:00:44 +0200 Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <35A0AE5C.AF2AC795@vipios.pri.univie.ac.at> Gaetano Bellanca wrote: > Here is my first question .... > > Maybe it's really stupid, but it is the first time I'm using MPI ... > > I'm trying to run my code on a single machine, trying to simulate parallelism. > > The error message is > > p0_31355: p4_error: interrupt SIGSEGV: 11 --- cut --- It means, that on the first process p0 (with the rank) you have an segmentation violation, e.g. a boundserror (accessing element n of a 0 to n-1 array), writing on a NULL-pointer or something similar. Best regards, Tom -- Thomas Fuerle mailto:fuerle@vipios.pri.univie.ac.at http://vipios.pri.univie.ac.at Institute for Applied Computer Science and Information Systems University of Vienna, Rathausstr. 19/4, A-1010 Vienna, Austria Tel: +43 1 4277 38423 "Don't hate yourself in the morning -- sleep till noon."