Re: 3 OS on 2 Hard Disks and Grub

From: Tim (admin_at_sheerhell.lan)
Date: 08/30/03


Date: Sat, 30 Aug 2003 22:40:22 +0930

On Fri, 29 Aug 2003 09:55:43 +0200,
"laurent léturgez" <laurent.leturgez@[no-spam]it-omics.com> wrote:

> I installed 3 OS on 2 Hard Disks
>
> Windows 2000 on /dev/hda1
> redHat 9 on /dev/hda2
> Debian Woody on /dev/hdb3
>
> There's a Grub installed on the MBR, booting on windows and RH9 is OK but on
> the debian partition, the boot goes on, but there's a kernel panic when the
> system want to mount root filesystem : " Kernel panic: VFS: Unable to mount
> root fs ". I don't understand, because with the debian boot disk, the system
> boots correctly !
> If someone has already seen this problem, with grub or lilo, i'm taking
> every kind of information !
>
> Thanks for your help, and sorry for my poor english !!
> I join to this post my grub.conf file :
>
> ----------------------------------------------------------------------------
> default=1
> timeout=10
> splashimage=(hd0,1)/boot/grub/splash.xpm.gz
> title Red Hat Linux (2.4.20-8)
> root (hd0,1)
> kernel /boot/vmlinuz-2.4.20-8 ro root=LABEL=/ hdc=ide-scsi
> initrd /boot/initrd-2.4.20-8.img
> title DOS
> rootnoverify (hd0,0)
> chainloader +1
> title Debian
> root (hd1,2)
> kernel /boot/vmlinuz-2.2.20-idepci

Regardless of you changing root drives, the kernel and initrd parameters
are using drive labels for the start of the path. They'll refer to any
drive named /boot, and will get confused if there's more than one
labelled that way. Change them to explicit device names (/dev/hd....).

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