diff -up util-linux-2.20.1/libmount/src/context_mount.c.kzak util-linux-2.20.1/libmount/src/context_mount.c
--- util-linux-2.20.1/libmount/src/context_mount.c.kzak	2011-10-18 14:22:27.000000000 +0200
+++ util-linux-2.20.1/libmount/src/context_mount.c	2012-04-17 15:25:14.273287922 +0200
@@ -46,9 +46,10 @@ static int fix_optstr(struct libmnt_cont
 
 	fs = cxt->fs;
 
-	/* The propagation flags should not be used together with any other flags */
+	/* The propagation flags should not be used together with any other
+	 * flags (except MS_REC and MS_SILENT) */
 	if (cxt->mountflags & MS_PROPAGATION)
-		cxt->mountflags &= MS_PROPAGATION;
+		cxt->mountflags &= (MS_PROPAGATION | MS_REC | MS_SILENT);
 
 	if (!mnt_optstr_get_option(fs->user_optstr, "user", &val, &valsz)) {
 		if (val) {
diff -up util-linux-2.20.1/mount/mount.c.kzak util-linux-2.20.1/mount/mount.c
--- util-linux-2.20.1/mount/mount.c.kzak	2012-04-17 15:24:52.817199995 +0200
+++ util-linux-2.20.1/mount/mount.c	2012-04-17 15:25:14.274287916 +0200
@@ -586,9 +586,10 @@ parse_opts (const char *options, int *fl
 
 	*flags |= mounttype;
 
-	/* The propagation flags should not be used together with any other flags */
+	/* The propagation flags should not be used together with any
+	 * other flags (except MS_REC and MS_SILENT) */
 	if (*flags & MS_PROPAGATION)
-		*flags &= MS_PROPAGATION;
+		*flags &= (MS_PROPAGATION | MS_REC | MS_SILENT);
 }
 
 /* Try to build a canonical options string.  */