[OMPI users] Intermittent corruption

Hi, I'm developing under OSX 10.5.7 with Open-MPI 1.3.2 and am running into intermittent corruption when send / recv user defined data type. When running with less than four processes (i.e. mpirun -np [2,3]), the data is fine, when running with 4 or more the received data is intermittent

[OMPI users] MPI_ERR_TRUNCATE

Hi, I'm getting an error I don't quite understand. The code: MPI_Irecv(recv->data, recv->count, recv->datatype, recv->sender_id, recv->agent_type, MPI_COMM_WORLD, &recv->request); ... recv = (AgentRequestRecv*) item->data; MPI_Wait(&recv->requ