--- trunk/grubby/new-kernel-pkg	2013/02/20 14:28:56	2059
+++ trunk/grubby/new-kernel-pkg	2013/10/21 13:22:08	2237
@@ -206,6 +206,10 @@
 
 	# get the root filesystem to use
 	rootdevice=$(awk '{ if ($1 !~ /^[ \t]*#/ && $2 == "/") { print $1; }}' /etc/fstab)
+	if [[ -z $rootdevice ]]
+	then
+		rootdevice=$(grep -o -P "(?<=root=)\S+" /proc/cmdline)
+	fi
 
 	if [[ -n ${mbkernel} ]] && [[ -n ${cfgLilo} ]] && [[ ${liloFlag} != elilo ]]
 	then