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Thread: Remastering 3.4 - ISOLINUX booting problem, image not found

  1. #1
    Junior Member
    Join Date
    May 2004
    Posts
    3

    Remastering 3.4 - ISOLINUX booting problem, image not found

    Hi folks, I'll try to be as brief as possible and hope this thread consolidates the issues on booting process for 3.4 remastering.

    Here is the setup (following the howto convention) I've hd-installed 3.4 and doing the remastering on the hd

    Source tree:
    mkdir /mnt/sdb2/knx/source
    mkdir /mnt/sdb2/knx/source/KNOPPIX
    cp -pR /cdrom/boot /mnt/sdb2/knx/source/

    since booted from the hd, the cdrom does not contain the rootfs. Copy the compressed file to disk
    cp /cdrom/KNOPPIX/KNOPPIX /mnt/sdb2/knx

    Create a folder to mount
    mkdir /mnt/sdb2/compressed

    Load cloop and mount the compressed FS
    insmod cloop file=/mnt/sdb2/knx/KNOPPIX
    mount -o ro /dev/cloop /mnt/sdb2/knx/compressed/

    Copy everything from compressed fs to source tree under KNOPPIX
    cp -pR /compressed/ /mnt/sdb2/knx/source/KNOPPIX/

    Now chroot to /mnt/sdb2/knx/source/KNOPPIX
    if /dev/null errors occur, go edit fstab and add suid to mount options for /mnt/sdb2/ (in my case) This is covered in the Howto.

    RootFS coppied unmount it.
    umount /mnt/sdb2/knx/compressed.
    rmmod cloop.

    Now we have
    /mnt/sdb2/knx/source/boot
    /mnt/sdb2/knx/source/boot/isolinux/ (and files there)
    /mnt/sdb2/knx/source/KNOPPIX/ (the root file system with /boot, /etc, /usr... etc etc)

    Create a placeholder for remastered cd
    mkdir /mnt/sdb2/knx/master

    copy boot from cdrom
    cp -pR /cdrom/boot /mnt/sdb2/knx/master/

    create KNOPPIX root
    mkdir /mnt/sdb2/knx/master/KNOPPIX
    and with mc copy everything from /cdrom/KNOPPIX/ to /mnt/sdb2/knx/master/KNOPPIX/ except that ~700MB KNOPPIX file.

    Assuming that we have done remastering installed and uninstalled programs in the chroot of /mnt/sdb2/knx/source/KNOPPIX which I did not do to see if everything will be ok at the first place so I did not touch anything yet.

    We now have to create the compressed file KNOPPIX from source to master. (right?)
    The command for that is
    mkisofs -R -U -V "KNOPPIX.net filesystem" -P "KNOPPIX www.knoppix.net" -hide-rr-moved -cache-inodes -no-bak -pad /mnt/sdb2/knx/source/KNOPPIX | nice -5 /usr/bin/create_compressed_fs - 65536 >/mnt/sdb2/knx/master/KNOPPIX/KNOPPIX

    Go and verify you have the large file in /mnt/sdb2/knx/master/KNOPPIX/KNOPPIX

    Now we will create the CD iso. with boot sector.
    cd /mnt/sdb2/knx/master/
    mkisofs -pad -l -r -J -v -V "KNOPPIX" -no-emul-boot -boot-load-size 4 -boot-info-table -b boot/isolinux/isolinux.bin -c boot/isolinux/boot.cat -hide-rr-moved -o /mnt/sdb2/knx/knoppix.iso /mnt/sdb2/knx/master

    After a while we'll end up with knoppix.iso in /mnt/sdb2/knx/
    Burn it and boot with it.

    Here comes the problem. After booting The screen says

    ISOLNUX 2.04 (Debian, ...date..) (version info and author...)
    Could not find kernel image: linux
    boot:

    Any thoughts?

    I didn't touch the miniroots under /boot/isolinux namely minirt24.gz and minirt26.gz Which I would like to customize too. But I could not create a bootable cd at the fisrt place.
    Is there anything I'm missing.

    Any help is appreciated.
    Cheers.

  2. #2
    Junior Member
    Join Date
    May 2004
    Posts
    5

    hi..

    hi..

    i have same problem..but i cant find a answer...

    cd is working with boot.img (syslinux) created from 2.4 kernel..
    but this time i cant boot with orher images like dos boot disk or ntpassword recovery disk

    i hope we get a answer before gone crayz

  3. #3
    Junior Member registered user
    Join Date
    Feb 2004
    Posts
    10

    Re: Remastering 3.4 - ISOLINUX booting problem, image not fo

    Quote Originally Posted by mustang
    Here comes the problem. After booting The screen says

    ISOLNUX 2.04 (Debian, ...date..) (version info and author...)
    Could not find kernel image: linux
    boot:

    Any thoughts?
    I've successfully created a bootable remastering from 3.4; I've followed the instructions you can find at http://www.knoppix.net/docs/index.ph...masteringHowto

    The only difference I can see is that I've booted from CD instead of installing it to HD and doing the work from there. Sorry not to have an idea about your problem

  4. #4
    Junior Member
    Join Date
    May 2004
    Posts
    5

    hi..

    hi..

    i found a answer...
    isolinux giving message : "could not find kernel image: linux"
    because isolinux cant find right config file and image file and trying to open default image file "linux".

    i am useing nonenglish keyboard and character set ( Turkish ).
    my config and image files looking after making iso like this:
    isoconfig.cfg -> ysoconfyg.cfg
    initrd.gz -> ynytrd.gz
    vmlinux -> vmlynux

    i tryed with english charakter set and problem is solved.

    thanks.....
    Aykut

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