Strange bug (?) in 2.4.5

From: Ole André Vadla Ravnås (zole@jblinux.net)
Date: Fri Jun 01 2001 - 13:39:45 EDT

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    Hi

    I suspect that I've found a bug in 2.4.5. I use isolinux (1.62) for
    CD-booting, and its configuration file is like this:

    default linux
    display some.msg
    label linux
      kernel linux
      append ramdisk_start=0 ramdisk_size=12288 root=/dev/rd/0
    load_ramdisk=1 initrd=initrd

    The kernel has devfs enabled and is configured to automatically mount
    /dev on boot.

    This is what happens:
    RAMDISK: Compressed image found at block 0
    Freeing initrd memory: 3682 k freed
    VFS: Mounted root (ext2 filesystem).
    Mounted devfs on /dev
    VFS: Mounted root (ext2 filesystem).
    change_root: old root has d_count=5
    Mounted devfs on /dev
    Trying to unmount old root ... okay
    Freeing unused kernel memory: 96 k freed
    Kernel panic: No init found. Try passing init= option to kernel.

    Okay, this is strange, because I haven't touched the initrd image since
    the last time it worked. :-) So, what I tried next was replacing the
    kernel with the 2.4.4 that I had used before (identical kernel
    configuration), wrote another CD-R, and voila, it worked (I've even
    repeated this twice (2.4.4 and 2.4.5), same result each time). So,
    something is definitely wrong.

    On the other hand, 2.4.5 works fine when booting from floppies (using
    syslinux) and this configuration:
    default linux
    display some.msg
    label linux
      kernel linux
      append ramdisk_start=0 load_ramdisk=1 prompt_ramdisk=1
    ramdisk_size=12288 root=/dev/fd/0

    Thanks,
    Ole André Vadla Ravnås

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