Date: Thu, 9 Sep 2004 21:49:16 +0100 From: Brian Somers <brian@Awfulhak.org> To: Hannes Mehnert <hannes@mehnert.org> Cc: freebsd-net@freebsd.org Subject: Re: Racoon breakage with recent kernel - what NOT to do Message-ID: <20040909214916.11f99cdb@dev.lan.Awfulhak.org> In-Reply-To: <20040909200142.GD1128@mehnert.org> References: <200406091423.31355.durian@boogie.com> <200407121532.18503.durian@boogie.com> <20040714185248.GC70193@mehnert.org> <20040909202955.438a4327@dev.lan.Awfulhak.org> <20040909200142.GD1128@mehnert.org>
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On Thu, 9 Sep 2004 22:01:42 +0200, Hannes Mehnert <hannes@mehnert.org> wrote:
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> Hi,
>
> On Thu, Sep 09, 2004 at 08:29:55PM +0100, Brian Somers wrote:
> > On Wed, 14 Jul 2004 20:52:48 +0200, Hannes Mehnert <hannes@mehnert.org> wrote:
> > > On Mon, Jul 12, 2004 at 03:32:18PM -0600, Mike Durian wrote:
> > > > This is just a follow-up to say the problem still exists in a -current
> > > > system I built from source yesterday (7/11/04). Does anyone know
> > > > what's going on?
> > > >
> > > > And to clarify, the URL listed above does show the same problem I'm
> > > > seeing.
> > >
> > > A workaround is setting MSIZE to 320 in your kernel config:
> > > options MSIZE=320
> >
> > Well, I applied this tweak to my kernel config file (some time ago!) and
> > it fixed the racoon issue.... **BUT** doing this badly breaks dtom() - all
> > sorts of issues turn up when a data pointer can't be turned back into its
> > owning mbuf pointer.
>
> I'm currently using MSIZE=512 and get no panic.
Yes, MSIZE=512 works as it contains only one set bit. MSIZE=320 doesn't
because there are two bits set. I've posted my other message to -net
with a better description.
Cheers.
--
Brian <brian@Awfulhak.org> <brian@[uk.]FreeBSD.org>
<http://www.Awfulhak.org>; <brian@[uk.]OpenBSD.org>
Don't _EVER_ lose your sense of humour !
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