Netfilter Oops more info

Netfilter Oops more info

[Edward Killips]

I get a netfilter Oops like the one below unless I comment out the follwoing 
rule.
iptables -t mangle -A PREROUTING -m multiport -p tcp --sport 80,21,23 -j TOS 
--set-tos 16

ksymoops 2.4.3 on i586 2.4.17-rc1.  Options used
     -V (default)
     -k /proc/ksyms (default)
     -l /proc/modules (default)
     -o /lib/modules/2.4.17-rc1/ (default)
     -m /boot/System.map (specified)

c0216e84
*pde = 00000000
Oops:  0000
CPU: 0
EIP: 0010:[c0216e84>] Not tainted
EFLAGS: 00010202
eax: 00000000 ebx: 5a5a5a5a ecx: 00000000 eds: 00000010
esi: 00000010 edi: c899c53c ebp: 00000000 esp: c02bfe58
ds: 0018 es: 0018 ss: 0018
Stack: 00000000 00000000 c899c53c 00000000 c899c53c c899c53c 00000000 
c02193ca
       c899c53c 5a5a5a5a 5a5a5a5a 00000050 00000000 00000000 c02193a0 
c020f696
       c032f240 00000000 00000000 00000000 c02193a0 c020f6c8 c899c53c 
00000000
Call Trace: [<c02193ca>] [<c02193a0>] [<c020f696>] [<c01293a0>] [<c020f6c8>]
[<c01291f9>] [<c02193a0>] [<d88919e9>] [<c020a1d8>] [<c011902b>] 
[<co118f40>]
[<c0118d6c>] [<c0108681>] [<c01053c0>] [<c01053c0>] [<c01053e3>] 
[<c010544e>]
[<c0105000>]
Code: 8b 78 3c 89 d8 89 da 25 f0 f0 f0 f0 81 e2 0f 0f 0f 0f c1 e8
Using defaults from ksymoops -t elf32-i386 -a i386

Trace; c02193ca <ip_rcv_finish+2a/1e0>
Trace; c02193a0 <ip_rcv_finish+0/1e0>
Trace; c020f696 <nf_hook_slow+b6/140>
Trace; c01293a0 <kmem_cache_destroy+20/e0>
Trace; c020f6c8 <nf_hook_slow+e8/140>
Trace; c01291f8 <kmem_cache_create+308/3b0>
Trace; c02193a0 <ip_rcv_finish+0/1e0>
Trace; d88919e8 <[lt_modem]UART_CopyDteTxData+44/dc>
Trace; c020a1d8 <net_rx_action+138/210>
Trace; c011902a <bh_action+1a/40>
Trace; c0118d6c <do_softirq+4c/90>
Trace; c0108680 <do_IRQ+90/a0>
Trace; c01053c0 <default_idle+0/30>
Trace; c01053c0 <default_idle+0/30>
Trace; c01053e2 <default_idle+22/30>
Trace; c010544e <cpu_idle+3e/60>
Trace; c0105000 <_stext+0/0>
Code;  00000000 Before first symbol
00000000 <_EIP>:
Code;  00000000 Before first symbol
   0:   8b 78 3c                  mov    0x3c(%eax),%edi
Code;  00000002 Before first symbol
   3:   89 d8                     mov    %ebx,%eax
Code;  00000004 Before first symbol
   5:   89 da                     mov    %ebx,%edx
Code;  00000006 Before first symbol
   7:   25 f0 f0 f0 f0            and    $0xf0f0f0f0,%eax
Code;  0000000c Before first symbol
   c:   81 e2 0f 0f 0f 0f         and    $0xf0f0f0f,%edx
Code;  00000012 Before first symbol
  12:   c1 e8 00                  shr    $0x0,%eax

<0>Kernel panic: Aiee, killing interrupt handler!


_________________________________________________________________
Join the world’s largest e-mail service with MSN Hotmail. 
http://www.hotmail.com

Re: Netfilter Oops more info

[Erik Mouw]

On Sat, Dec 15, 2001 at 10:08:33AM -0500, Edward Killips wrote:
> I get a netfilter Oops like the one below unless I comment out the 
> follwoing rule.
> iptables -t mangle -A PREROUTING -m multiport -p tcp --sport 80,21,23 -j 
> TOS --set-tos 16
> 
> ksymoops 2.4.3 on i586 2.4.17-rc1.  Options used
>     -V (default)
>     -k /proc/ksyms (default)
>     -l /proc/modules (default)
>     -o /lib/modules/2.4.17-rc1/ (default)
>     -m /boot/System.map (specified)
> 
> c0216e84
> *pde = 00000000
> Oops:  0000
> CPU: 0
> EIP: 0010:[c0216e84>] Not tainted

Consider upgrading modutils so it's immediately clear that you are
using binary-only modules.

> Trace; d88919e8 <[lt_modem]UART_CopyDteTxData+44/dc>
                    ^^^^^^^^
Binary-only module, only the supplier of the module (Lucent, IIRC) can
help you debug the Oops.


Erik

-- 
J.A.K. (Erik) Mouw, Information and Communication Theory Group, Faculty
of Information Technology and Systems, Delft University of Technology,
PO BOX 5031, 2600 GA Delft, The Netherlands  Phone: +31-15-2783635
Fax: +31-15-2781843  Email: J.A.K.Mouw@its.tudelft.nl
WWW: http://www-ict.its.tudelft.nl/~erik/