Begin forwarded message:

From: Barry Smith <bsmith@mcs.anl.gov>
Date: March 7, 2010 9:17:10 PM CST
To: devel@open-mpi.org
Cc: Satish Balay <balay@mcs.anl.gov>
Subject: valgrind problem with 1.4.1 and MPI_Allgather()


> ==9066== Source and destination overlap in memcpy(0xa571694, 0xa571698, 8)
> ==9066==    at 0xC5B224: memcpy (mc_replace_strmem.c:482)
> ==9066==    by 0x91FC39: ompi_ddt_copy_content_same_ddt (in ./ex3)
> ==9066==    by 0x949DFA: ompi_coll_tuned_allgather_intra_bruck (in ./ex3)
> ==9066==    by 0x9287AF: MPI_Allgather (in ./ex3)