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Message-ID: <421946A3.4090609@arrakis.dhis.org>
Date: Mon, 21 Feb 2005 02:25:39 +0000
From: Pedro Venda <pjvenda@arrakis.dhis.org>
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To: Joshua Hudson <jwhudson@hornet.csc.calpoly.edu>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Help - really messed up kernel
References: <Pine.GSO.4.44.0502201516330.20265-200000@hornet>
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Joshua Hudson wrote:
| I am trying to install linux on a laptop that cannot boot from cdrom.
| I got a stripped-down kernel to boot from floppy, ran lspci to get
| the hardware information.
|
| I then reconfigured and rebuilt the kernel for the image.
|
| I built this kernel from stock 2.6.10 from www.kernel.org.
| This is the configuration file. I then installed it on a floppy disk
| with syslinux, then tried to boot it.
|
| boot: vmlinuz root=/dev/fd0 load_ramdisk=1 prompt_ramdisk=1
| (my ramdisk is the next flooppy, this kernel is 1.3mb)
| Did not load the ramdisk.
| I got an error about unable to open root on "<NULL>" or device 22,6.
| Hmm. So, I ran rdev to set the kernel default root to /dev/fd0 and booted.
|
| Result: loaded the ramdisk, then complained about lack of a valid
| filesystem on /dev/fd0

you want to load your root filesystem into a ramdisk and use it from there.

your kernel command line is wrong. it should have root=/dev/rd/0 or
root=/dev/ram0 instead of root=/dev/fd0.

after loading the initrd, your root filesystem is on a ramdisk.

regards,
pedro venda.
- --

Pedro Jo?o Lopes Venda
email: pjvenda < at > arrakis.dhis.org
http://arrakis.dhis.org
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