On the last position on the conversion stack in the displacement field we should have the

relative displacement not the absolute one. This relative displacement will be addesd to the
absolute one in order to compute the correct position on the source (or destination) buffer.

This commit was SVN r7377.

ompi/datatype/fake_stack.c

@@ -175,7 +175,7 @@ int ompi_convertor_create_stack_with_pos_general( ompi_convertor_t* pConvertor,
                 resting_place -= (cnt * basic_type->size);
                 PUSH_STACK( pStack, pConvertor->stack_pos, pos_desc, pElems->elem.common.type, 
                             pElems->elem.count - cnt,
-                            pStack->disp + pElems->elem.disp + cnt * pElems->elem.extent,
+                            pElems->elem.disp + cnt * pElems->elem.extent,
                             pos_desc );
                 pConvertor->bConverted = starting_point - resting_place;
                 DDT_DUMP_STACK( pConvertor->pStack, pConvertor->stack_pos,