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From: John Baldwin <jhb@freebsd.org>
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Date: Tue, 3 Oct 2006 13:44:33 -0400
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Cc: Ian FREISLICH <if@hetzner.co.za>
Subject: Re: boot/loader broken?
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On Tuesday 03 October 2006 09:00, Ian FREISLICH wrote:
> Hi
> 
> After a build/install today, I can't boot my boxes:
> 
> BTX loader 1.00  BTX version is 1.01
> Consoles: internal video/keyboard
> BIOS drive C: is disk0
> BIOS 633kB/2096000kB available memory
> 
> FreeBSD/i386 bootstrap loader, Revision 1.1
> (ianf@testbed, Tue Oct  3 08:22:43 SAST 2006)
>                                                                                 
> can't load 'kernel'
> 
> Type '?' for a list of commands, 'help' for more detailed help.
> OK ls
> open '/' failed: input/output error
> OK lsdev
> cd devices:
> disk devices:
>     disk0:   BIOS drive C:
> pxe devices:
> 
> I don't know what else I can get of interest from this interface.
> It's happened to 2 of my test servers.  They rebooted fine before
> the upgrade.

What drive controller do they have?  Try backing out the recent commits to 
sys/boot/i386/btx/btx/btx.S in case they cause it.

-- 
John Baldwin