Yann, my bad, the patch you need is at https://github.com/open-mpi/ompi/pull/2368.patch
sorry for the confusion, Gilles On Tue, Nov 22, 2016 at 8:33 PM, Yann Jobic <yann.jo...@univ-amu.fr> wrote: > Hi, > > I manually changed the file. Moreover i also tried the 1.8.4 openmpi > version. > > I still have this invalid read. > > Am i doing something wrong ? > > Thanks, > > Yann > > > > Le 22/11/2016 à 00:50, Gilles Gouaillardet a écrit : >> >> Yann, >> >> >> this is a bug that was previously reported, and the fix is pending on >> review. >> >> meanwhile, you can manually apply the patch available at >> https://github.com/open-mpi/ompi/pull/2418 >> >> >> Cheers, >> >> >> Gilles >> >> >> On 11/18/2016 9:34 PM, Yann Jobic wrote: >>> >>> Hi, >>> >>> I'm using valgrind 3.12 with openmpi 2.0.1. >>> The code simply send an integer to another process with : >>> #include <stdio.h> >>> #include <stdlib.h> >>> #include <mpi.h> >>> >>> int main (int argc, char **argv) { >>> const int tag = 13; >>> int size, rank; >>> >>> MPI_Init(&argc, &argv); >>> MPI_Comm_size(MPI_COMM_WORLD, &size); >>> >>> if (size < 2) { >>> fprintf(stderr,"Requires at least two processes.\n"); >>> exit(-1); >>> } >>> >>> MPI_Comm_rank(MPI_COMM_WORLD, &rank); >>> >>> if (rank == 0) { >>> int i=3; >>> const int dest = 1; >>> >>> MPI_Send(&i, 1, MPI_INT, dest, tag, MPI_COMM_WORLD); >>> >>> printf("Rank %d: sent int\n", rank); >>> } >>> if (rank == 1) { >>> int j; >>> const int src=0; >>> MPI_Status status; >>> >>> MPI_Recv(&j, 1, MPI_INT, src, tag, MPI_COMM_WORLD, &status); >>> printf("Rank %d: Received: int = %d\n", rank,j); >>> } >>> >>> MPI_Finalize(); >>> >>> return 0; >>> } >>> >>> >>> I'm getting the error : >>> valgrind MPI wrappers 46313: Active for pid 46313 >>> valgrind MPI wrappers 46313: Try MPIWRAP_DEBUG=help for possible options >>> valgrind MPI wrappers 46314: Active for pid 46314 >>> valgrind MPI wrappers 46314: Try MPIWRAP_DEBUG=help for possible options >>> Rank 0: sent int >>> ==46314== Invalid read of size 4 >>> ==46314== at 0x400A3D: main (basic.c:33) >>> ==46314== Address 0xffefff594 is on thread 1's stack >>> ==46314== in frame #0, created by main (basic.c:5) >>> ==46314== >>> Rank 1: Received: int = 3 >>> >>> The invalid read is at the printf line. >>> >>> Do you have any clue of why am i getting it ? >>> >>> I ran the code with : >>> LD_PRELOAD=$prefix/lib/valgrind/libmpiwrap-amd64-linux.so mpirun -np 2 >>> $prefix/bin/valgrind ./exe >>> >>> Thanks in advance, >>> >>> Yann >>> > > --- > L'absence de virus dans ce courrier électronique a été vérifiée par le > logiciel antivirus Avast. > https://www.avast.com/antivirus > > _______________________________________________ > users mailing list > users@lists.open-mpi.org > https://rfd.newmexicoconsortium.org/mailman/listinfo/users _______________________________________________ users mailing list users@lists.open-mpi.org https://rfd.newmexicoconsortium.org/mailman/listinfo/users
