Tom,I did the same modification as you on the osu_latency and the resulting application run to completion. I don't get any TRUNCATE error messages. I'm using the latest version of Open MPI (1.4a1r19313).
There was a bug that might be related to your problem but our commit log shows it was fixed by commit 18830 on July 9.
george. On Aug 13, 2008, at 5:49 PM, Tom Riddle wrote:
Hi,A bit more info wrt the question below. I have run other releases of OpenMPI and they seem to be fine. The reason I need to run the latest is because it supports valgrind fully.openmpi-1.2.4 openmpi-1.3ar18303 TIA, Tom --- On Tue, 8/12/08, Tom Riddle <rarebit...@yahoo.com> wrote: Hi,I am getting a curious error on a simple communications test. I have altered the std mvapich osu_latency test to accept receives from any source and I get the following error[d013.sc.net:15455] *** An error occurred in MPI_Recv [d013.sc.net:15455] *** on communicator MPI_COMM_WORLD [d013.sc.net:15455] *** MPI_ERR_TRUNCATE: message truncated [d013.sc.net:15455] *** MPI_ERRORS_ARE_FATAL (goodbye) the code change was...MPI_Recv(r_buf, size, MPI_CHAR, MPI_ANY_SOURCE, 1, MPI_COMM_WORLD, &reqstat);the command line I run was > mpirun -np 2 ./osu_latencyNow I run this on 2 types of host machine configurations. One that has Infinipath HCAs installed and another that doesn't. I run both of these in shared memory mode ie: dual processes on the same node. I have verified that when I am on the host with Infinipath I am actually running the OpenMPI mpirun, not the mpi that comes with the HCA.I have built OpenMPI with psm support from a fairly recent svn pull and run the same bins on both host machines... The config was as follows:> $ ../configure --prefix=/opt/wkspace/openmpi-1.3 CC=gcc CXX=g++ > --disable-mpi-f77 --enable-debug --enable-memchecker > --with-psm=/usr/include --with-valgrind=/opt/wkspace/valgrind-3.3.0/ > mpirun --version mpirun (Open MPI) 1.4a1r18908The error presents itself only on the host that does not have Infinipath installed. I have combed through the mca args to see if there is a setting I am missing but I cannot see anything obvious.Any input would be appreciated. Thanks. Tom _______________________________________________ users mailing list us...@open-mpi.org http://www.open-mpi.org/mailman/listinfo.cgi/users
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