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Subject[OMG] test8-pre6 horribly, awfully screwed!
Date
From
OK.
When I boot up, I have a netfilter init script. It loads many netfilter
modules, among them, ipt_LOG, ipt_state, and ipt_limit. When they load,
whammo, instant OOPS.
ip_conntrack_irc is also among them.
want to lsmod? oops.
want to cat /proc/modules? oops.
want to rmmod? oops.
etc
test7-pre4 also seemed to have this obscene breakage, and test8-pre[123456]
seems to have it as well. Although, seeing as no-one else has reported it,
it certainly seems to be me. I've attached OOPS reports from attempting to
load ip_conntrack_irc, lsmod'ing and cat'ing /proc/modules - in that order.
The ones for ipt_{LOG,state,limit} are a leeetle harder to get ... I'll post
them later, as I get them.

I'm running:
woody (Debian)
test8-pre6 (own)
modutils 2.3.15 (own)
ksymoops 2.3.4 (own)
gcc 2.95.2 (Debian)
binutils 2.10.0.24-1 (Debian)

Only too happy to provide any other pertinent information, if it can make
this bloody stuff die quietly yet agonisingly painfully.

:) d

(yes, I did specify no ksyms as ksymoops oopsed, as did cat /proc/ksyms. go
figure).

--
Daniel Stone
Kernel Hacker (or at least has aspirations to be)
daniel@dustpuppy.ods.org
http://dustpuppy.ods.org

ksymoops 2.3.4 on i586 2.4.0-test8. Options used
-V (default)
-K (specified)
-l /proc/modules (default)
-o /lib/modules/2.4.0-test8/ (default)
-m /usr/src/linux/System.map (default)

No modules in ksyms, skipping objects
No ksyms, skipping lsmod
Unable to handle kernel paging request at virtual address 00001b12
c0211bd5
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c0211bd5>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010297
eax: 00001b12 ebx: c19ef009 ecx: 00001b12 edx: fffffffe
esi: ffffffff edi: c1a1df30 ebp: ffffffff esp: c1a1deec
ds: 0018 es: 0018 ss: 0018
Process modprobe (pid: 151, stackpage=c1a1d000)
Stack: c28cfc54 c28cf000 00000000 00000009 c1a1df84 00000000 0000000a c0211d8c
c19ef000 c021d379 c1a1df24 c0116f83 c19ef000 c021d372 00000008 00001b11
00001b12 c28cf6d0 00000c00 00000c00 c19ef000 00001000 00000000 c0141cce
Call Trace: [<c28cfc54>] [<c28cf000>] [<c0211d8c>] [<c021d379>] [<c0116f83>] [<c021d372>] [<c28cf6d0>]
[<c0141cce>] [<c013ffb8>] [<c0128dd6>] [<c0108d83>]
Code: 80 38 00 74 07 40 4a 83 fa ff 75 f4 29 c8 8b 54 24 14 89 c6

>>EIP; c0211bd5 <vsprintf+1a9/34c> <=====
Trace; c28cfc54 <END_OF_CODE+25f33a4/????>
Trace; c28cf000 <END_OF_CODE+25f2750/????>
Trace; c0211d8c <sprintf+14/1898>
Trace; c021d379 <call_spurious_interrupt+5b81/69c0>
Trace; c0116f83 <get_ksyms_list+5f/e4>
Trace; c021d372 <call_spurious_interrupt+5b7a/69c0>
Trace; c28cf6d0 <END_OF_CODE+25f2e20/????>
Trace; c0141cce <ksyms_read_proc+1a/34>
Trace; c013ffb8 <proc_file_read+cc/1a4>
Trace; c0128dd6 <sys_read+96/ac>
Trace; c0108d83 <system_call+33/40>
Code; c0211bd5 <vsprintf+1a9/34c>
0000000000000000 <_EIP>:
Code; c0211bd5 <vsprintf+1a9/34c> <=====
0: 80 38 00 cmpb $0x0,(%eax) <=====
Code; c0211bd8 <vsprintf+1ac/34c>
3: 74 07 je c <_EIP+0xc> c0211be1 <vsprintf+1b5/34c>
Code; c0211bda <vsprintf+1ae/34c>
5: 40 inc %eax
Code; c0211bdb <vsprintf+1af/34c>
6: 4a dec %edx
Code; c0211bdc <vsprintf+1b0/34c>
7: 83 fa ff cmp $0xffffffff,%edx
Code; c0211bdf <vsprintf+1b3/34c>
a: 75 f4 jne 0 <_EIP>
Code; c0211be1 <vsprintf+1b5/34c>
c: 29 c8 sub %ecx,%eax
Code; c0211be3 <vsprintf+1b7/34c>
e: 8b 54 24 14 mov 0x14(%esp,1),%edx
Code; c0211be7 <vsprintf+1bb/34c>
12: 89 c6 mov %eax,%esi

*********************************************************

ksymoops 2.3.4 on i586 2.4.0-test8. Options used
-V (default)
-K (specified)
-l /proc/modules (default)
-o /lib/modules/2.4.0-test8/ (default)
-m /usr/src/linux/System.map (default)

No modules in ksyms, skipping objects
No ksyms, skipping lsmod
Unable to handle kernel paging request at virtual address 00001b17
c0116e9b
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c0116e9b>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010213
eax: 00001b0f ebx: c0726076 ecx: ffffffff edx: c28cfc48
esi: c28c6000 edi: c0726074 ebp: 00000f8a esp: c0749ef0
ds: 0018 es: 0018 ss: 0018
Process cat (pid: 444, stackpage=c0749000)
Stack: 00000c00 00000000 c0726000 00001000 c0749f0c 0804c324 c28c6000 33322020
34303200 c0cc2800 0804c324 00000001 c0748000 0804b318 0804c000 bffffa3c
c0e4e83c 00000286 c026bce0 c026bf78 00000000 00000000 00000726 c0141c81
Call Trace: [<c28c6000>] [<c0141c81>] [<c013ffb8>] [<c0128dd6>] [<c0108d83>]
Code: 8b 70 08 89 f7 31 c0 f2 ae f7 d1 49 89 4c 24 14 39 cd 72 65

>>EIP; c0116e9b <get_module_list+257/2e0> <=====
Trace; c28c6000 <END_OF_CODE+25e9750/????>
Trace; c0141c81 <modules_read_proc+15/48>
Trace; c013ffb8 <proc_file_read+cc/1a4>
Trace; c0128dd6 <sys_read+96/ac>
Trace; c0108d83 <system_call+33/40>
Code; c0116e9b <get_module_list+257/2e0>
0000000000000000 <_EIP>:
Code; c0116e9b <get_module_list+257/2e0> <=====
0: 8b 70 08 mov 0x8(%eax),%esi <=====
Code; c0116e9e <get_module_list+25a/2e0>
3: 89 f7 mov %esi,%edi
Code; c0116ea0 <get_module_list+25c/2e0>
5: 31 c0 xor %eax,%eax
Code; c0116ea2 <get_module_list+25e/2e0>
7: f2 ae repnz scas %es:(%edi),%al
Code; c0116ea4 <get_module_list+260/2e0>
9: f7 d1 not %ecx
Code; c0116ea6 <get_module_list+262/2e0>
b: 49 dec %ecx
Code; c0116ea7 <get_module_list+263/2e0>
c: 89 4c 24 14 mov %ecx,0x14(%esp,1)
Code; c0116eab <get_module_list+267/2e0>
10: 39 cd cmp %ecx,%ebp
Code; c0116ead <get_module_list+269/2e0>
12: 72 65 jb 79 <_EIP+0x79> c0116f14 <get_module_list+2d0/2e0>

*************************************************************

ksymoops 2.3.4 on i586 2.4.0-test8. Options used
-V (default)
-K (specified)
-l /proc/modules (default)
-o /lib/modules/2.4.0-test8/ (default)
-m /usr/src/linux/System.map (default)

No modules in ksyms, skipping objects
No ksyms, skipping lsmod
Unable to handle kernel paging request at virtual address 00001b17
c0116492
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c0116492>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010286
eax: 00001b0f ebx: fffffffe ecx: ffffffff edx: ffffffff
esi: c28cfc48 edi: c071c000 ebp: 00000000 esp: c0749f84
ds: 0018 es: 0018 ss: 0018
Process lsmod (pid: 445, stackpage=c0749000)
Stack: fffffffe c28c6000 c071c000 bfffea18 c026bcfc 00000000 c0116964 c28c6000
0805a610 00000040 bfffea18 c0748000 00000040 bfffea18 bfffea2c c0108d83
0805a44a 00000003 0805a610 00000040 bfffea18 bfffea2c 000000a7 0000002b
Call Trace: [<c28c6000>] [<c0116964>] [<c28c6000>] [<c0108d83>]
Code: 8b 40 08 89 44 24 10 89 c7 31 c0 f2 ae f7 d1 49 8d 59 01 3b

>>EIP; c0116492 <qm_refs+82/170> <=====
Trace; c28c6000 <END_OF_CODE+25e9750/????>
Trace; c0116964 <sys_query_module+114/154>
Trace; c28c6000 <END_OF_CODE+25e9750/????>
Trace; c0108d83 <system_call+33/40>
Code; c0116492 <qm_refs+82/170>
0000000000000000 <_EIP>:
Code; c0116492 <qm_refs+82/170> <=====
0: 8b 40 08 mov 0x8(%eax),%eax <=====
Code; c0116495 <qm_refs+85/170>
3: 89 44 24 10 mov %eax,0x10(%esp,1)
Code; c0116499 <qm_refs+89/170>
7: 89 c7 mov %eax,%edi
Code; c011649b <qm_refs+8b/170>
9: 31 c0 xor %eax,%eax
Code; c011649d <qm_refs+8d/170>
b: f2 ae repnz scas %es:(%edi),%al
Code; c011649f <qm_refs+8f/170>
d: f7 d1 not %ecx
Code; c01164a1 <qm_refs+91/170>
f: 49 dec %ecx
Code; c01164a2 <qm_refs+92/170>
10: 8d 59 01 lea 0x1(%ecx),%ebx
Code; c01164a5 <qm_refs+95/170>
13: 3b 00 cmp (%eax),%eax

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