Re: kern/23379: Reproducable kernel panic with 4.2-STABLE and slip null-modem connection

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From
Jonathan Perkin <sketchy@netcraft.com>
Date
11 Dec 2000 04:50:38
Subject
Re: kern/23379: Reproducable kernel panic with 4.2-STABLE and slip null-modem connection
Message-ID
20001211125031.C471@netcraft.com

References to

[ Hide this part ]
> >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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