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Date:      Sat, 12 Oct 2002 16:11:59 -0700
From:      Juli Mallett <jmallett@FreeBSD.org>
To:        Frode Nordahl <frode@nordahl.net>
Cc:        current@freebsd.org
Subject:   Re: dmesg showing garbage
Message-ID:  <20021012161159.A30348@FreeBSD.org>
In-Reply-To: <1034464124.624.2.camel@samwise.xu.nordahl.net>; from frode@nordahl.net on Sun, Oct 13, 2002 at 01:08:42AM %2B0200
References:  <1034464124.624.2.camel@samwise.xu.nordahl.net>

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* De: Frode Nordahl <frode@nordahl.net> [ Data: 2002-10-12 ]
	[ Subjecte: dmesg showing garbage ]
> Hello, 
> 
> The more strange thing is that it some times also contains console
> output from the previous shutdown sequence. 

If you reboot and the memory is not cleared, the buffer (stored at a
fixed address) may still be intact, and the kernel buffering code will
be smart enough to span to the end of the buffer, and append (circularly)
there.
-- 
Juli Mallett <jmallett@FreeBSD.org>       | FreeBSD: The Power To Serve
Will break world for fulltime employment. | finger jmallett@FreeBSD.org
http://people.FreeBSD.org/~jmallett/      | Support my FreeBSD hacking!

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