more verbose debug around detached sends

diff --git a/src/smpi/smpi_base.c b/src/smpi/smpi_base.c
index f5aa890..0fc8226 100644 (file)
--- a/src/smpi/smpi_base.c
+++ b/src/smpi/smpi_base.c
@@ -107,8 +107,10 @@ void smpi_mpi_start(MPI_Request request)
        detached = 1;
        request->buf = malloc(request->size);
        memcpy(request->buf,oldbuf,request->size);
+       XBT_DEBUG("Send request %p is detached; buf %p copied into %p",request,oldbuf,request->buf);
+    } else {
+       XBT_DEBUG("Send request %p is not detached (buf: %p)",request,request->buf);
     }
-
     request->action = 
                SIMIX_req_comm_isend(mailbox, request->size, -1.0,
                                    request->buf, request->size, &match_send, request,