diff -up sblim-sfcb-1.3.16/providerDrv.c.orig sblim-sfcb-1.3.16/providerDrv.c
--- sblim-sfcb-1.3.16/providerDrv.c.orig	2013-01-07 16:39:58.922924254 +0100
+++ sblim-sfcb-1.3.16/providerDrv.c	2013-01-07 16:40:12.121988127 +0100
@@ -3116,7 +3116,7 @@ void processProviderInvocationRequests(c
       rc = spRecvReq(&providerSockets.receive, &parms->requestor,
                      (void **) &parms->req, &rl, &mqg);
       if (mqg.rdone) {
-	int debug_break = 0;
+	volatile int debug_break = 0;
 	if (rc!=0) {
 	  mlogf(M_ERROR,M_SHOW, "spRecvReq returned error %d. Skipping message.\n", rc);
 	  free(parms);