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Date: Thu, 6 Jan 2011 01:24:37 +0600
From: Eugene Grosbein <eugen@eg.sd.rdtc.ru>
To: "Vladislav V. Prodan" <universite@ukr.net>
Message-ID: <20110105192437.GA96611@rdtc.ru>
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Cc: freebsd-net@freebsd.org
Subject: Re: Kernel panis using FLOWTABLE + mpd5.5
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On Wed, Jan 05, 2011 at 09:11:27PM +0200, Vladislav V. Prodan wrote:

> FreeBSD 8.1-STABLE-201010 amd64, mpd5.5 (server), ng_car, ng_netflow
> FreeBSD 9.0-CURRENT Sep 17 2010 amd64, mpd5.5 (client)
> FreeBSD 8.2-PRERELEASE Dec 19 2010 amd64, mpd5.5 (client)
> 
> Occurs after:
> # service mpd5 restart
> Stopping mpd5.
> ...
> 
> If someone does this bundle is stable, please share the kernel
> configuration file, /etc/sysctl.conf and /boot/loader.conf

FLOWTABLE is known to be unstable. However, RELENG_8 is pretty unstable
for me under network load without FLOWTABLE too...
I keep getting kernel panics at upper levels of network stack (udp sockets)
and at bottom level (em driver):

http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/153255
http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/153671