diff --git a/xCAT-server/lib/xcat/plugins/openbmc.pm b/xCAT-server/lib/xcat/plugins/openbmc.pm
index 7560ac0d5..6777b96aa 100644
--- a/xCAT-server/lib/xcat/plugins/openbmc.pm
+++ b/xCAT-server/lib/xcat/plugins/openbmc.pm
@@ -463,6 +463,10 @@ sub parse_args {
             return ([ 1, "Unsupported command: $command $subcommand" ]);
         }
     } elsif ($command eq "rflash") {
+        #
+        # disable function until fully tested
+        #
+        $check = unsupported($callback); if (ref($check) eq "ARRAY") { return $check; }
         my $filename_passed = 0;
         foreach my $opt (@$extrargs) {
             # Only files ending on .tar are allowed