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Date:      Fri, 25 May 2012 07:30:16 GMT
From:      Joerg Pulz <Joerg.Pulz@frm2.tum.de>
To:        freebsd-pf@FreeBSD.org
Subject:   Re: kern/168190: [pf] panic when using pf and route-to (maybe: bad fragment handling?)
Message-ID:  <201205250730.q4P7UGu0006036@freefall.freebsd.org>

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The following reply was made to PR kern/168190; it has been noted by GNATS.

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?)
Date: Fri, 25 May 2012 09:25:38 +0200 (CEST)

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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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