Date: Mon, 13 Sep 1999 12:40:03 -0700 (PDT) From: "Jay Oliver" <kythorn@scorched.com> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/13736: enabling NAT on 3.3RC results in panic sbappendaddr. Message-ID: <199909131940.MAA48830@freefall.freebsd.org>
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The following reply was made to PR kern/13736; it has been noted by GNATS.
From: "Jay Oliver" <kythorn@scorched.com>
To: "Ruslan Ermilov" <ru@ucb.crimea.ua>,
<freebsd-gnats-submit@FreeBSD.ORG>, <freebsd-bugs@FreeBSD.ORG>
Cc:
Subject: Re: kern/13736: enabling NAT on 3.3RC results in panic sbappendaddr.
Date: Mon, 13 Sep 1999 15:38:54 -0400
Script started on Mon Sep 13 15:30:50 1999
bash-2.03# gdb -k
GNU gdb 4.18
Copyright 1998 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain
conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "i386-unknown-freebsd".
(kgdb) symbol-file kernel.debug
Reading symbols from kernel.debug...done.
(kgdb) exec-file /var/crash/kernel.0
(kgdb) core-file /var/crash/vmcore.0
IdlePTD 2744320
initial pcb at 234e94
panicstr: sbappendaddr
panic messages:
---
panic: sbappendaddr
syncing disks... done
dumping to dev 20001, offset 196608
dump 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7
6 5 4 3 2 1
---
#0 boot (howto=256) at ../../kern/kern_shutdown.c:285
285 dumppcb.pcb_cr3 = rcr3();
(kgdb) where
#0 boot (howto=256) at ../../kern/kern_shutdown.c:285
#1 0xc012f4d1 in panic (fmt=0xc02096ca "sbappendaddr")
at ../../kern/kern_shutdown.c:446
#2 0xc0148d97 in sbappendaddr (sb=0xc32c5f44, asa=0xc02261cc,
m0=0xc050fc80,
control=0x0) at ../../kern/uipc_socket2.c:592
#3 0xc0171d56 in div_input (m=0xc050fc80, hlen=20)
at ../../netinet/ip_divert.c:233
#4 0xc0175607 in ip_input (m=0xc050fc80) at ../../netinet/ip_input.c:708
#5 0xc017566f in ipintr () at ../../netinet/ip_input.c:735
#6 0xc01e55b1 in swi_net_next ()
Cannot access memory at address 0x745a3357.
(kgdb) up
#1 0xc012f4d1 in panic (fmt=0xc02096ca "sbappendaddr")
at ../../kern/kern_shutdown.c:446
446 boot(bootopt);
(kgdb) up
#2 0xc0148d97 in sbappendaddr (sb=0xc32c5f44, asa=0xc02261cc,
m0=0xc050fc80,
control=0x0) at ../../kern/uipc_socket2.c:592
592 panic("sbappendaddr");
(kgdb) up
#3 0xc0171d56 in div_input (m=0xc050fc80, hlen=20)
at ../../netinet/ip_divert.c:233
233 if (sbappendaddr(&sa->so_rcv, (struct sockaddr *)&divsrc,
(kgdb) up
#4 0xc0175607 in ip_input (m=0xc050fc80) at ../../netinet/ip_input.c:708
708 (*inetsw[ip_protox[ip->ip_p]].pr_input)(m, hlen);
(kgdb) up
#5 0xc017566f in ipintr () at ../../netinet/ip_input.c:735
735 ip_input(m);
(kgdb) up
#6 0xc01e55b1 in swi_net_next ()
(kgdb) up
Cannot access memory at address 0x745a3357.
(kgdb) quit
bash-2.03# exit
exit
Script done on Mon Sep 13 15:31:37 1999
I hope this is the output you wanted. If you need any other info, just ask.
- Jay Oliver
kythorn@scorched.com
> Please config your kernel with debug symbols (config -g YOUR_CONFIG),
> follow up the instructions on
http://www.FreeBSD.org/handbook/kerneldebug.html,
> section "Debugging a Kernel Crash Dump with kgdb", and send us
> the script(1) of your `gdb -k' session.
>
>
> Thanks,
> --
> Ruslan Ermilov Sysadmin and DBA of the
> ru@ucb.crimea.ua United Commercial Bank,
> ru@FreeBSD.org FreeBSD committer,
> +380.652.247.647 Simferopol, Ukraine
>
> http://www.FreeBSD.org The Power To Serve
> http://www.oracle.com Enabling The Information Age
>
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