2.4.18pre8 Oops: tcp_v4_get_port

Simon Kirby
2002-03-13T16:50:34Z

Hi,

We've seen this Oops a few times now. I'm not sure if I was imagining
things, but was this a TCP hash race that was fixed easily in newer
kernels, or is this something else?

Unable to handle kernel paging request at virtual address 1c603920
printing eip:
c022a471
*pde = 00000000
Oops: 0000
CPU: 1
EIP: 0010:[<c022a471>] Not tainted
EFLAGS: 00010296
eax: 001cf9cf ebx: f72ad2c0 ecx: ce4c3220 edx: 1c603914
esi: 0000b143 edi: 00000000 ebp: f7dd8a18 esp: e020beb4
ds: 0018 es: 0018 ss: 0018
Process wu.ftpd (pid: 13844, stackpage=e020b000)
Stack: 00000000 f72ad2c0 c0332e68 0000b143 00000000 00000000 00000001 c023803c
f72ad2c0 0000b143 f7d19e80 e020bf14 00000010 400ca008 ffffffea 00000002
c0200890 f7d19e80 e020bf14 00000010 00000001 00000003 ffffffff 00000000
Call Trace: [<c023803c>] [<c0200890>] [<c0112b58>] [<c010b9ee>] [<c0201380>]
[<c0106f9c>] [<c0106eab>]

Code: 8b 42 0c 39 43 0c 75 e7 83 7c 24 10 00 74 0d 80 7a 26 00 74

>>EIP; c022a470 <tcp_v4_get_port+154/294> <=====
Trace; c023803c <inet_bind+180/294>
Trace; c0200890 <sys_bind+54/74>
Trace; c0112b58 <do_page_fault+0/4ac>
Trace; c010b9ee <old_mmap+f2/12c>
Trace; c0201380 <sys_socketcall+78/200>
Trace; c0106f9c <error_code+34/3c>
Trace; c0106eaa <system_call+32/38>
Code; c022a470 <tcp_v4_get_port+154/294>
00000000 <_EIP-0x1>:
Code; c022a470 <tcp_v4_get_port+154/294>
0: 8b 42 0c movl 0xc(%edx),%eax
Code; c022a470 <tcp_v4_get_port+154/294>
00000001 <_EIP>:
Code; c022a470 <tcp_v4_get_port+154/294> <=====
1: 42 incl %edx <=====
Code; c022a472 <tcp_v4_get_port+156/294>
2: 0c 39 orb $0x39,%al
Code; c022a474 <tcp_v4_get_port+158/294>
4: 43 incl %ebx
Code; c022a474 <tcp_v4_get_port+158/294>
5: 0c 75 orb $0x75,%al
Code; c022a476 <tcp_v4_get_port+15a/294>
7: e7 83 outl %eax,$0x83
Code; c022a478 <tcp_v4_get_port+15c/294>
9: 7c 24 jl 2f <_EIP+0x2e> c022a49e <tcp_v4_get_port+182/294>
Code; c022a47a <tcp_v4_get_port+15e/294>
b: 10 00 adcb %al,(%eax)
Code; c022a47c <tcp_v4_get_port+160/294>
d: 74 0d je 1c <_EIP+0x1b> c022a48a <tcp_v4_get_port+16e/294>
Code; c022a47e <tcp_v4_get_port+162/294>
f: 80 7a 26 00 cmpb $0x0,0x26(%edx)
Code; c022a482 <tcp_v4_get_port+166/294>
13: 74 00 je 15 <_EIP+0x14> c022a484 <tcp_v4_get_port+168/294>

Simon-

[ Stormix Technologies Inc. ][ NetNation Communications Inc. ]
[ sim@stormix.com ][ sim@netnation.com ]
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