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Date: Fri, 3 Feb 2006 08:31:27 +0100
From: Luca Berra <bluca@comedia.it>
Subject: Re: [linux-lvm] Ubuntu distro with lvm2, raid 1, not booting anymore.
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On Thu, Feb 02, 2006 at 07:51:33PM +0100, Maciej S?ojewski wrote:
>Welcome!
>
>I have the serious problem with booting of my machine. It is run on 
>Ubuntu distro (5.10), with lvm2 raid 1 on two identical sata hard disks. 
>Lilo bootloader. The problem is that after small change in lilo.conf and 
>running /sbin/lilo my system is no longer bootable. I see 'kernel panic' 
>message. When I try to run lilo again (from Ubuntu Live! cd) I see some 
>comments somehow related to dev-mapper:
>
>Warning: /proc/partitions does not match /dev directory structure
>Name change: /dev/cloop 0 -> /tmp/dev.0
>(...)
>Fatal: is_primary: Not a valid device

what is exactly that you are doing to reinstall lilo?
i don't use ubuntu, but generally:
you should mount your original root fs on, say, /root
mount --bind /dev /root/dev
mount --bind /proc /root/proc
mount --bind /sys /root/sys
chroot /root /sbin/lilo


>
>I will quote the kernel messages:
>RAMDISK: ran out of compressed data
>invalid compressed format (err=1)
looks like your initrd is hosed
check that lilo is pointing to a correct initrd and/or regenerate
initrd. (no i don't remember the debian way to regenerate initrd)

L.


-- 
Luca Berra -- bluca@comedia.it
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