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    SubjectRe: booting without initrd
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    On Thu, 2006-06-08 at 13:40 -0400, Rahul Karnik wrote:
    > On 6/7/06, Ram Gupta <ram.gupta5@gmail.com> wrote:
    > > I am trying to boot with 2.6.16 kernel at my desktop running fedora
    > > core 4 . It does not boot without initrd generating the message "VFS:
    > > can not open device "804" or unknown-block(8,4)
    > > Please append a correct "root=" boot option
    > > Kernel panic - not syncing : VFS:Unable to mount root fs on unknown-block(8,4)
    >
    > AFAIK Fedora sets up the kernel command line with "root=LABEL=/" in
    > grub.conf and therefore needs the initrd in order to work correctly.
    > If you do not want an initrd, then change this to
    > "root=/dev/<your_disk>" in grub.conf.

    it's more than that; also udev is used from the initrd to populate a
    ramfs /dev, if you go without the initrd you need to populate the
    *real* /dev manually first

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