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Date:      Fri, 25 May 2012 09:25:38 +0200 (CEST)
From:      Joerg Pulz <Joerg.Pulz@frm2.tum.de>
To:        Daniel Hartmeier <daniel@benzedrine.cx>
Cc:        bug-followup@freebsd.org, freebsd-pf@freebsd.org
Subject:   Re: kern/168190: [pf] panic when using pf and route-to (maybe: bad fragment handling?)
Message-ID:  <alpine.BSF.2.00.1205250920540.89783@unqrf.nqzva.sez2>
In-Reply-To: <alpine.BSF.2.00.1205241533230.89783@unqrf.nqzva.sez2>
References:  <201205240910.q4O9A4rt044627@freefall.freebsd.org> <20120524094354.GK29536@insomnia.benzedrine.cx> <alpine.BSF.2.00.1205241533230.89783@unqrf.nqzva.sez2>

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On Thu, 24 May 2012, Joerg Pulz wrote:

> Daniel,
>
> exactly, ipfw was enabled with the above kernel options but not configured
> to filter or do anything but the DEFAULT_TO_ACCEPT.
> I've rebuilt the kernel without IPFIREWALL options. The system is running
> now for about three and a half hours.
> Time will show if this solved our problem.
> I'm still wondering why these panics showed up in irregular unreproducable
> intervals.
>
> Thanks for writing to the ipfw list. I'm really interested in tracking
> this further down to fix it forever, so nobody will stumble over it again.
>
> Thanks for all your help. Feel free to contact me if you have new ideas or
> things i should try.

Daniel,

the system is still running without panic, but i found the following log 
entries from last night:

May 24 23:28:57 charon kernel: pf_route: m0->m_len < sizeof(struct ip)
May 24 23:28:57 charon kernel: pf_route: m0->m_len < sizeof(struct ip)

Do you think that this may be related to the panics?
I've found this error message two times in contrib/pf/net/pf.c.
I can't say which of them or both have printed the message.

Kind regards
Joerg

- -- 
The beginning is the most important part of the work.
 				-Plato
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