Panic in 6-RELEASE-p4 with if_bridge and pf

[Andrew Thompson]

On Thu, Feb 02, 2006 at 10:36:56AM +0000, James Seward wrote:
> Hello,
> 
> I am trying to deploy a FreeBSD6 machine using if_bridge and pf to
> provide some protection for our Windows servers ;)
> 
> During testing it seemed to work fine, but in production it panics frequently.
> 
> When I came in to work this morning it was complaining about mbufs, so
> I have tried increasing the number of mbufs as explained in various
> places around the web. Despite the fact that it didn't seem to be
> getting near the limit of mbufs I set (8192) it has paniced another
> couple of times this morning already. I have now set it to 16k, but I
> don't currently hold much hope of this fixing it.
> 
> Fatal trap 12: page fault while in kernel mode

This is a known problem with 6.0R, see the 2005/11/16 entry in
http://www.freebsd.org/releases/6.0R/errata.html.

You should either upgrade to 6-STABLE or you can apply this patch to fix
the problem.

http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/net/if_bridge.c.diff?r1=1.32&r2=1.34


regards,
Andrew