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Date:      Mon, 11 Dec 2000 12:50:31 +0000
From:      Jonathan Perkin <sketchy@netcraft.com>
To:        freebsd-bugs@FreeBSD.org
Subject:   Re: kern/23379: Reproducable kernel panic with 4.2-STABLE and slip null-modem connection
Message-ID:  <20001211125031.C471@netcraft.com>
In-Reply-To: <200012081550.eB8Fo1e52634@freefall.freebsd.org>; from gnats-admin@FreeBSD.org on Fri, Dec 08, 2000 at 07:50:01am -0800
References:  <200012081548.eB8FmIj00462@weirdo.netcraft.com> <200012081550.eB8Fo1e52634@freefall.freebsd.org>

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> >Description:

>	Null-modem connection between 2 machines (both running 4.2-S),
>	connected via SLIP.  Transfer data between machines for a while, the
>	"server" will lock up.

>        server# /sbin/ifconfig sl0 inet 195.92.95.128 195.92.95.129 netmask 0xffffffff
>	server# /sbin/sysctl -w net.inet.ip.forwarding=1
>	server# /sbin/slattach -a -c -s 115200 -L -l cuaa0
>	server# /usr/sbin/arp -s 195.92.95.129 0:90:27:b0:b2:2b pub

>	client# /sbin/ifconfig sl0 inet 195.92.95.129 195.92.95.128 netmask 0xffffffff
>	client# /sbin/slattach -a -c -s 115200 -L -l cuaa0
>	client# route add default 195.92.95.128

>	client$ ftp something, run cvsup, whatever.

Just to add that one of these panics produced a softdep error - after
rebooting, /var was completely hosed with unexpected softdep.  fsck
couldn't fix it, and I had to manually clri(8) about 10 inodes before
it could (and then I was only left with a few files, meaning I might
as well had newfs'd it :)

Cheers.

-- 
  Jonathan Perkin  <sketchy@netcraft.com>  +44 (0)1225 867914
 Netcraft Ltd, Bradford on Avon, UK - http://www.netcraft.com/


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