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To: Faried Nawaz <fn@pain.csrv.uidaho.edu>
cc: current@freebsd.org
Subject: Re: another m_copydata crash 
In-reply-to: Your message of "Thu, 21 Dec 95 12:38:22 PST."
             <199512212038.MAA00467@pain.csrv.uidaho.edu> 
From: David Greenman <davidg@Root.COM>
Reply-To: davidg@Root.COM
Date: Tue, 26 Dec 1995 23:30:03 -0800
Sender: owner-current@freebsd.org
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>i had > 3 crashes today, but /var/crash (actually /usr/crash) filled up
>so i only got the first dump.
>
>
>Script started on Thu Dec 21 12:35:25 1995
>; gdb -k -q
>(kgdb) symbol-file kernel.debug
>Reading symbols from kernel.debug...done.
>(kgdb) exec-file /var/crash/kernel.20
>(kgdb) core-file /var/crash/vmcore.20
>IdlePTD 1a2000
>current pcb at 1937fc
>panic: m_copydata

   I think this bug has to do with the packet length when tcp options are
involved. How do you have tcp_extensions set in /etc/sysconfig?

-DG