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To: truckman@freebsd.org
From: "M. Warner Losh" <imp@bsdimp.com>
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cc: masta@wifibsd.org
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Subject: Re: panic inserting CF card.
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In message: <200311280333.hAS3XkeF016528@gw.catspoiler.org>
            Don Lewis <truckman@freebsd.org> writes:
: Offhand I'd guess that adp->heads and/or adp->sectors is zero.  If
: you've got a core file, try backtracking from there with gdb, otherwise
: sprinkle some printf's around.  Either this calculation is new, or some
: recent change is causing the heads and sectors to be initialized to
: zero.

I have patches in my tree that prevent the panic.  However, they
prevent the panic by not dividing by zero, rather than fixing the
underlying problem.

Warner