Kernel Panic with P.H.L.A.K. (knoppix)
I have my grub setup for Ubuntu, Backtrack 3, and P.H.L.A.K.. I Have them partitioned on a 60 gb hard drive with hda1:backtrack hda2:Ubuntu and hda3:PHLAK with hda4 as a swap space. They all installed fine. I have custom entries in menu.lst. I have the ubuntu entry which was autosetup by grub (ubuntu installed grub automatically). then I have backtrack 3 and PHLAK:
title Backtrack 3
kernel /boot/vmlinuz ro root=/dev/hda1
kernel /boot/vmlinuz-2.6.9 ro root=/dev/hda3
Both Ubuntu and Backtrack boot fine but whenever I boot PHLAK it gives me
EXT2-fs: hda3: couldn't mount because of unsupported optional features (4)
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(3,3)
I have looked for hours on google trying to find an answer and decided to post here. I really have no idea what is wrong so if you could throw out an answer or guess I can try them out or do research on the solution. I had a hard enough time getting the grub menu.lst setup and just started with linux a month ago. Thank you in advance
Does PHLAK use initrd, ie, do you need an initrd line after the kernel line in grub? I'm guessing something like:
You will need to have a look in the boot directory of the PHLAK partition to see.
Are you able to mount the PHLAK partition from Ubuntu?
I don't see an initrd image file in the PHLAK boot file. I dont know if I need to compile one or not. I have heard you need one for grub but backtrack works fine without that line. And yes...I do believe I can mount and unmount the PHLAK partition from Ubuntu.
It isn't necessarily called initrd.img; could be something like 'root.gz'. Perhaps if you could give a directory listing of /boot on the PHLAK partition it would give some help.
It looks like a fairly old distro, so I'm not sure how much help you can get from the original distributors.
Incidentally, did you actually install PHLAK or is it just a copy from the CD?
Here is a directory listing of boot:
So not much and yes I have tried vmlinuz and the -2.6.9 one in the grub menu.lst. I dont see a root.gz anywhere. I dont have a mkinitrd in /ect/. I downloaded an ISO image and burned to a disk. booted off the cd and ran a program that installed PHLAK on the hard drive. Thanks for the replies.
SOLVED I installed another Linux distro called JAD. Modified the grub menu.lst on that partition and everything works fine now :). Thanks for all the help
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