i am a linux newbie. i have installed knoppix on a logical partion and grub on / . it used to boot smoothly but now it doesn't. when the booting starts everything goes normal as before but stops in between as shown below.

success: loaded module raid 6
md: raid 10 personality registered for level 10.
success: loaded module raid 10.
done.
warning: missing mdadm.conf file, trying to create one...
success: mdadm.conf created.
begin: no arrays found in config file or automatically.
failure: failed to assemble all arrays.
done.
done.
begin: waiting for root file system... ...


it halts here. no furthur processing is done. what could be the problem and how to solve it.

please help....