From: David Gibson <david@gibson.dropbear.id.au>
To: Anton Blanchard <anton@samba.org>
Cc: linuxppc-dev@ozlabs.org, olh@suse.de
Subject: Re: 2.6.19 cannot find root partition
Date: Thu, 7 Dec 2006 09:22:13 +1100 [thread overview]
Message-ID: <20061206222213.GA17446@localhost.localdomain> (raw)
In-Reply-To: <20061206211630.GB27857@krispykreme>
On Thu, Dec 07, 2006 at 08:16:30AM +1100, Anton Blanchard wrote:
>
> Hi,
>
> The patch to identify AIX disks and ignore them has caused at least one
> machine to fail to find the root partition on 2.6.19. The patch is:
>
> http://lkml.org/lkml/2006/7/31/117
>
> The problem is some disk formatters do not blow away the first 4 bytes
> of the disk. If the disk we are installing to used to have AIX on it,
> then the first 4 bytes will still have IBMA in EBCDIC.
>
> The install in question was debian etch. Im not sure what the best fix
> is, perhaps the AIX detection code could check more than the first 4
> bytes.
Yeah, I had this problem on paulus' old PReP machine - I had to
manually zap the AIX magic number to get it to see the perfectly good
partitions.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
next prev parent reply other threads:[~2006-12-06 22:22 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-06 21:16 2.6.19 cannot find root partition Anton Blanchard
2006-12-06 21:24 ` Olaf Hering
2006-12-06 22:22 ` David Gibson [this message]
2006-12-07 8:17 ` Olaf Hering
2007-01-04 8:40 ` [PATCH] relax check for AIX in msdos partition table Olaf Hering
2007-01-04 13:20 ` [PATCH] fix logic error in AIX detection Olaf Hering
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