diff -Naur dracut-017/dracut.sh dracut-017-magellan/dracut.sh
--- dracut-017/dracut.sh	2012-02-24 15:38:08.000000000 +0100
+++ dracut-017-magellan/dracut.sh	2012-03-03 13:05:37.514982386 +0100
@@ -119,6 +119,7 @@
   --list-modules        List all available dracut modules.
   -M, --show-modules    Print included module's name to standard output during
                          build.
+  --allow-missing       Compat switch for mkinitrd - ignored.
   --keep                Keep the temporary initramfs for debugging purposes
   --sshkey [SSHKEY]     Add ssh key to initramfs (use with ssh-client module)
   --ctty                Add control tty for emergency shells
@@ -263,6 +264,7 @@
         -M|--show-modules)
                        show_modules_l="yes"
                        ;;
+	--allow-missing) ;; # simply ignore this one
         --keep)        keep="yes";;
         -*) printf "\nUnknown option: %s\n\n" "$1" >&2; usage; exit 1;;
         *)