Index: geom_subr.c
===================================================================
RCS file: /usr/repo/src/sys/geom/geom_subr.c,v
retrieving revision 1.87
diff -u -p -r1.87 geom_subr.c
--- geom_subr.c	26 Mar 2005 21:07:35 -0000	1.87
+++ geom_subr.c	5 Apr 2005 12:54:35 -0000
@@ -712,19 +712,29 @@ g_access(struct g_consumer *cp, int dcr,
 	    pp->acr, pp->acw, pp->ace,
 	    pp, pp->name);
 
-	/* If foot-shooting is enabled, any open on rank#1 is OK */
-	if ((g_debugflags & 16) && pp->geom->rank == 1)
-		;
+	error = 0;
 	/* If we try exclusive but already write: fail */
-	else if (dce > 0 && pw > 0)
-		return (EPERM);
+	if (dce > 0 && pw > 0)
+		error = EPERM;
 	/* If we try write but already exclusive: fail */
 	else if (dcw > 0 && pe > 0)
-		return (EPERM);
+		error = EPERM;
 	/* If we try to open more but provider is error'ed: fail */
 	else if ((dcr > 0 || dcw > 0 || dce > 0) && pp->error != 0)
 		return (pp->error);
 
+	if (error == EPERM && pp->geom->rank == 1) {
+		/* If foot-shooting is enabled, any open on rank#1 is OK */
+		if (g_debugflags & 16)
+			error = 0;
+		else {
+			printf("You must set kern.geom.debugflags to 16 to "
+			    "write to %s.\n", pp->name);
+		}
+	}
+	if (error != 0)
+		return (error);
+
 	/* Ok then... */
 
 	error = pp->geom->access(pp, dcr, dcw, dce);