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Thread: Installing standard debian kernel

  1. #1
    Junior Member
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    May 2003
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    Netherlands
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    Installing standard debian kernel

    Hello all,

    I would like to know how I can install a standard debian kernel over
    my knoppix installation. Precently I have vmlinuz-2.4.20-xfs installed as
    it comes with knoppix 3.2

    However, I would like to install a kernel from the debian unstable distr. that is compiled for my AMD k7 processor. I installed the package with apt-get, and updated lilo.conf accordingly. At boot I now get the following error:

    > cat: No file proc/sys/kernel/real-root-dev.
    > /linuxrc: cannot create proc/sys/kernel/real-root-dev: directory
    > nonexistant VFS: Cannot open root device "hda5" or 03:05
    > Please append a correct "root=" boot option
    > Kernel panic: VFS: Unable to mount root fs on 03:05

    What am I doing wrong, and what should I do to get all packages (or just the kernel) in line with debian unstable?

    Regards,

    Bert Haverkamp

  2. #2
    Senior Member registered user
    Join Date
    Mar 2003
    Location
    Germany
    Posts
    297

    Re: Installing standard debian kernel

    Quote Originally Posted by brjhaverkamp
    Hello all,

    I would like to know how I can install a standard debian kernel over
    my knoppix installation. Precently I have vmlinuz-2.4.20-xfs installed as
    it comes with knoppix 3.2

    However, I would like to install a kernel from the debian unstable distr. that is compiled for my AMD k7 processor. I installed the package with apt-get, and updated lilo.conf accordingly. At boot I now get the following error:

    > cat: No file proc/sys/kernel/real-root-dev.
    > /linuxrc: cannot create proc/sys/kernel/real-root-dev: directory
    > nonexistant VFS: Cannot open root device "hda5" or 03:05
    > Please append a correct "root=" boot option
    > Kernel panic: VFS: Unable to mount root fs on 03:05

    What am I doing wrong, and what should I do to get all packages (or just the kernel) in line with debian unstable?

    Regards,

    Bert Haverkamp
    You could try to do:

    apt-get install dash, then remake the initrd you are using ...

    cu

    Fabian

  3. #3
    Junior Member
    Join Date
    May 2003
    Posts
    1
    Hi,
    I have exactly the same situation here: installed knoppix on IBM ThinkPad T23 laptop, then upgraded to debian testing/unstable. Knoppix 2.4.20-xfs kernel works but debian's 2.4.20-686 does not - says it can't mount root filesystem. I use reiserfs on both /boot and / partitions. Does anybody know exact differences between Knoppix kernel and Debian kernel, please?
    Thanks

  4. #4
    Junior Member
    Join Date
    May 2003
    Location
    San Juan, Puerto Rico, USA
    Posts
    4
    Quote Originally Posted by alexv
    Knoppix 2.4.20-xfs kernel works but debian's 2.4.20-686 does not - says it can't mount root filesystem. I use reiserfs on both /boot and / partitions. Does anybody know exact differences between Knoppix kernel and Debian kernel, please?
    The biggest difference is that the knoppix .config file (in /usr/src/linux) includes support for many modules (including reiserfs). I suggest copying that .config file and building a new kernel with your changes.

    Also, knoppix uses an initrd image to hold many modules before the root system is even mounted.

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