kernel panic - one step further.

akonstam_at_trinity.edu
Date: 07/12/04

  • Next message: Tom Taylor: "Changing video card" 
    Date: Mon, 12 Jul 2004 16:35:25 -0500
To: Fedora-List <fedora-list@redhat.com>

    First let me thank Boris Glawe for showing me how to gunzip the
    initrd...img
    file, mount it and find out what commands are run in a boot.

    Now I assume, correct me if I am wrong during the boot process the
    filesystem in the initrd file is mounted on /initrc and a chroot is
    performed.

    I can see the commands in the linuxrec file that are executed under
    the nash shell. Just focusing on those that are needed to explain the
    problem. Most of the commands succeed, although what a command like:
    mount -t proc /proc /proc
    does is still a mystery, but it is successful, I think.
    The problem starts with this command:
    mkrootdev /dev/root - which is a nash shell command to make a device
    with that name that is to be root device based on the information in
    the kernel line in grub.conf.

    Things continue on without any apparent errors until we get to the
    command: mount -o defaults --ro -t ext3 /dev/root /sysroot
    This fails with a mount error 6 which is an or of two errors:
    2 system error (out of memory, cannot fork, no more loop devices)
    4 internal mount bug or missing nfs support in mount

    Now this is a machine with only 128M of ram. Has anyone tried to run
    FC2 on a machine with that small a ram. I know RedHat says its
    possible but who knows.

    Then the:
    pivot_root /sysroot /sysroot/initrd gets an error 2 but that is
    probably because of the mount error.

    Can any one shed any further light on all this? 

    -- 
-------------------------------------------
Aaron Konstam
Computer Science
Trinity University
One Trinity Place.
San Antonio, TX 78212-7200
telephone: (210)-999-7484
email:akonstam@trinity.edu
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  • Next message: Tom Taylor: "Changing video card"

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