diff -up mkinitrd-5.1.19.6/mkinitrd.s390 mkinitrd-5.1.19.6/mkinitrd
--- mkinitrd-5.1.19.6/mkinitrd.s390	2007-08-14 13:37:46.000000000 -0400
+++ mkinitrd-5.1.19.6/mkinitrd	2007-08-14 13:41:32.000000000 -0400
@@ -52,6 +52,7 @@ done
 
 CONFMODS="$MODULES"
 MODULES=""
+ARCH="$(uname -m)"
 
 compress=1
 allowmissing=""
@@ -62,7 +63,7 @@ verbose=""
 img_vers=""
 builtins=""
 modulefile=/etc/modules.conf
-withusb=1
+[ "$ARCH" == "s390x" -o "$ARCH" == "s390" ] && withusb=0 || withusb=1
 [ "$MULTIPATH" == "no" ] && withmpath=0 || withmpath=1
 [ "$DMRAID" == "no" ] && withdmraid=0 || withdmraid=1
 rc=0