As at the end of the start function for the bsend request we replace the default convertor by

one where the data is already packed, we have to recreate the default one in the case we reuse
the initial request.

This commit was SVN r6503.

ompi/mca/pml/base/pml_base_bsend.c

@@ -223,6 +223,13 @@ int mca_pml_base_bsend_request_start(ompi_request_t* request)
         sendreq->req_count = sendreq->req_bytes_packed;
         sendreq->req_datatype = MPI_BYTE;
 
+        /* In case we reuse an old request recreate the correct convertor, the one
+         * using the user buffers. Otherwise at the end of this function we replace
+         * it with a convertor using the allocator buffer !!!
+         */
+        ompi_convertor_prepare_for_send( &sendreq->req_convertor, sendreq->req_datatype,
+                                         sendreq->req_count, sendreq->req_base.req_addr );
+
         /* increment count of pending requests */
         mca_pml_bsend_count++;
         OPAL_THREAD_UNLOCK(&mca_pml_bsend_mutex);