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Date: Tue, 08 Sep 2009 14:04:35 +0100
From: Bruce Simpson <bms@incunabulum.net>
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Cc: "freebsd-net@FreeBSD.org" <freebsd-net@freebsd.org>
Subject: Re: Panic in imo_match_source (netinet/in_mcast.c)
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Stef Walter wrote:
> Stef Walter wrote:
>   
>> On a new VPN server, running OSPF, I'm experiencing regular panics at:
>>
>> imo_match_source: !AF_INET
>>     
>
> BTW, src->sa_family is 0
>
> Moved back to FreeBSD 7.1 i386 and the problem goes away.
>   

Full OS version, dmesg, panic and backtrace please, when reporting this 
kind of issue... otherwise folk can't help. Are you using SSM multicast 
features?