> The "root=" line points to /dev/hdb5, which is correct. Knoppix is booted
> via a /mnt partition in Mandrake. My full lilo.conf is as follows:

Okay.
How whas knoppix installed? Was hdb then already hdb
(and not connected as hda?)

> boot=/dev/hda
> map=/boot/map
> vga=normal
> default=linux
> keytable=/boot/us.klt
> prompt
> nowarn
> timeout=100
> message=/boot/message
> menu-scheme=wb:bw:wb:bw
> ignore-table
> image=/boot/vmlinuz
> label=linux
> root=/dev/hda7
> initrd=/boot/initrd.img
> append="devfs=mount hdc=ide-scsi hdd=ide-scsi"
> read-only
> image=/boot/vmlinuz
> label=failsafe
> root=/dev/hda7
> initrd=/boot/initrd.img
> append="failsafe devfs=nomount hdc=ide-scsi hdd=ide-scsi"
> read-only
> image=/mnt/knoppix/boot/vmlinuz-2.4.20-xfs
> label=Knoppix
> root=/dev/hdb5
> read-only
> # restricted
> # alias=1
> other=/dev/hda1
> label=windows
> table=/dev/hda
> other=/dev/fd0
> label=floppy
> unsafe
>
> Vmlinuz is of course Mandrake. There is no initrd in Knoppix. /dev/hdb5 is
> /mnt/knoppix and is 96% full. Is that relevant?

No. partitioning etc. is irrelevant at the moment where your booting
process fails. You are sure that this lilo is installed?
ie. did you run `/sbin/lilo -v` without problems.

Eric