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Date: Sun, 08 Feb 2009 17:05:04 +1300
From: Mark Kirkwood <markir@paradise.net.nz>
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References: <20090109171857.GA49752@marvin.eastcentral.edu>
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Cc: rizzo@iet.unipi.it
Subject: Re: Broken loader on 7.1-STABLE?
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Mark Kirkwood wrote:
> I wrote:
>>  
>> I am getting this too - update from RELENG_7 @12 Jan src to 20 Jan 
>> and I have:
>>
>> panic: free: guard1 fail @ 0x511d
>> from /usr/src/sys/boot/i386/loader/../../common/module.c:959
>>
>> Can't work out which disk we are booting from.
>> Guessed BIOS device 0xffffffff not found by probes, defaulting to disk0
>>
>>
>
> Forgot to say (cc'ing Luigi as he is collecting info):
>
> Asus a8vx with an AMD 64x2 3800+ dual core
>

Also seeing this on a Supermicro P3TDER 2xPIII 1.26 GHz with RELENG_7 
@08 Feb. In this case specifying /boot/loader.old got me booted ok (not 
sure why this *didn't* work with the Asus, maybe I need to try it again 
with the Feb sources).

regards

Mark