diff -ur mkinitrd-5.1.19.6.orig/mkinitrd mkinitrd-5.1.19.6/mkinitrd
--- mkinitrd-5.1.19.6.orig/mkinitrd	2011-01-10 12:00:39.796739000 -0500
+++ mkinitrd-5.1.19.6/mkinitrd	2011-01-10 12:01:16.485745366 -0500
@@ -1839,10 +1839,10 @@
 
 emit_modules $MODULES
 
-#if [ -n "$vg_list" ]; then
-#    emit "echo Making device-mapper control node"
-#    emit "mkdmnod"
-#fi
+if [ -n "$vg_list" ]; then
+    emit "echo Making device-mapper control node"
+    emit "mkdmnod"
+fi
 
 if [ "$use_multipath" == "1" ]; then
     emit "echo Creating multipath devices"