Re: Problems mounting an ext3 filesystem with XFS kernel

[Harri Haataja <harri.haataja@kolumbus.fi>]

On Fri, Jan 24, 2003 at 06:35:37PM +1100, Lucas Barbuto wrote:
> I'm getting kernel panics trying to mount my root filesystem on boot:
> 
> --
> EXT3-fs: unable to read superblock
> EXT2-fs: unable to read superblock
> iofs_read_super: bread failed, dev=09:01, iso_blknum=16, block=32
> XFS: bad magic number
> XFS: SB validate failed
> Kernel panic: VFS: Unable to mount root fs on 09:01
> --
> 
> Which I understand means that my superblock is missing XFS information
> or is corrupted... trouble is, the filesystem is ext3!  It used to be
> XFS before I realised that I couldn't install LiLo into the superblock
> along with XFS, so I made an ext3 filesystem on the partition
> expecting the XFS information to be overwritten and then installed
> LiLo on the superblock again, same thing.  So then I deleted all my
> partitions and used 'dd if=/dev/zero of=/dev/hde' and 'dd if=/dev/zero
> of=/dev/hde' to wipe the start of the disks, recreated the partitions,
> formatted the root partition ext3, reinstalled LiLo, rebooted, same
> problem.

A little long shot here, but did you make a new initrd at what points?
I'm not sure but I think the actual root filesystem type is mentioned
somewhere on the initrd and you have to make a new one if it's changed.

IIRC ICBW YMMV etc

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