On a machine with an 82559ER ethernet chip
Linux 2.5.5, with the 6/5/2002 eepro100.c
Connect to some other machine via a crossover cable
run iperf as a server on both machines
run iperf as a client to the server on the other machine
(i.e. we want an isolated network, full duplex, full traffic in both directions)
[awozniak@rangers ~/linux-2.5.5]$ ksymoops -VKOL -m System239.map < oops239.txt
ksymoops 2.4.0 on i686 2.4.2-2. Options used
-V (specified)
-K (specified)
-L (specified)
-O (specified)
-m System239.map (specified)
Unable to handle kernel paging request at virtual address 3938377f
c01d1716
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c01d1716>] Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010217
eax: cdc42a08 ebx: 39383736 ecx: 00000004 edx: 00000000
esi: cdc42b10 edi: cdc429a0 ebp: 00000009 esp: c0251ef0
ds: 0018 es: 0018 ss: 0018
Stack: cdc429a0 cdc42b10 cdc42a08 cdc429a0 c01d9dee cdc429a0 00000000 cda8e5c0
00000000 00000001 00000000 cdc429a0 0000e8c8 00000000 00000046 c01d9fc6
cdc429a0 00000001 00000000 c0251fac 00000000 cdc429a0 c01d9f20 c011a933
Call Trace: [<c01d9dee>] [<c01d9fc6>] [<c01d9f20>] [<c011a933>] [<c011779b>]
[<c01176a4>] [<c01174cb>] [<c0109eac>] [<c0106cc0>] [<c0106cc0>] [<c0106cc0>]
[<c0106cc0>] [<c0106ce4>] [<c0106d62>] [<c0105000>]
Code: 0f b6 4b 49 45 f6 c1 82 74 0c 31 d2 89 96 70 01 00 00 0f b6
>>EIP; c01d1716 <tcp_enter_loss+c6/1a0> <=====
Trace; c01d9dee <tcp_retransmit_timer+17e/2b0>
Trace; c01d9fc6 <tcp_write_timer+a6/f0>
Trace; c01d9f20 <tcp_write_timer+0/f0>
Trace; c011a933 <timer_bh+213/250>
Trace; c011779b <bh_action+1b/50>
Trace; c01176a4 <tasklet_hi_action+44/70>
Trace; c01174cb <do_softirq+4b/90>
Trace; c0109eac <do_IRQ+9c/b0>
Trace; c0106cc0 <default_idle+0/30>
Trace; c0106cc0 <default_idle+0/30>
Trace; c0106cc0 <default_idle+0/30>
Trace; c0106cc0 <default_idle+0/30>
Trace; c0106ce4 <default_idle+24/30>
Trace; c0106d62 <cpu_idle+32/50>
Trace; c0105000 <_stext+0/0>
Code; c01d1716 <tcp_enter_loss+c6/1a0>
00000000 <_EIP>:
Code; c01d1716 <tcp_enter_loss+c6/1a0> <=====
0: 0f b6 4b 49 movzbl 0x49(%ebx),%ecx <=====
Code; c01d171a <tcp_enter_loss+ca/1a0>
4: 45 inc %ebp
Code; c01d171b <tcp_enter_loss+cb/1a0>
5: f6 c1 82 test $0x82,%cl
Code; c01d171e <tcp_enter_loss+ce/1a0>
8: 74 0c je 16 <_EIP+0x16> c01d172c
<tcp_enter_loss+dc/1a0>
Code; c01d1720 <tcp_enter_loss+d0/1a0>
a: 31 d2 xor %edx,%edx
Code; c01d1722 <tcp_enter_loss+d2/1a0>
c: 89 96 70 01 00 00 mov %edx,0x170(%esi)
Code; c01d1728 <tcp_enter_loss+d8/1a0>
12: 0f b6 00 movzbl (%eax),%eax
<0> Kernel panic: Aiee, killing interrupt handler!
[awozniak@rangers ~/linux-2.5.5]$
--
Adam Wozniak (KG6GZR) COM DEV Broadband - Digital and Software Systems
awozniak@xxxxxxxxx 805 Aerovista Place, San Luis Obispo, CA 93401
http://www.comdev.cc
Voice: (805) 544-1089 Fax: (805) 544-2055
|