root command line

Hi. i have problems trying to root the doc, on the config file for the python
program i put the "root=/dev/nftla1 console=ttyS0,115200 console=tty0 single"
command line i made all the images to burn on the doc and when i try to
boot with that file system (on nftla1) kernel pacnic appears cuz is trying
to root on nftlA1 but i configured for the "nftla1". i have the devices
for the both nftlA and nftla but it does works.
I look at the Makefile, Makefile.setting and the linuxbiosmain.c and i think
is all right.
I couldn't find where is the cmdline that is trying to root the kernel.
HELP!!!!! i'm going crazy... i really don't know where to look to change
the root parameter to root from nftla1 (where is the filesystem that i'm
trying to boot) ....

Thanx

Gonzalo "Going crazy" Zapata.