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SubjectRe: Oops on removing via-rhine [2.4.10-ac11]
On Fri, Oct 12, 2001 at 10:04:26AM +1000, Keith Owens wrote:

> Oops in module delete may not get the symbol tables for the deleted
> module if they have already been removed from /proc/ksyms. I suggest
> you create /var/log/ksymoops, man insmod. Then insmod and rmmod will
> save the symbol tables after each module load or unload, you can point
> ksymoops at the saved symbols from before the failing rmmod. That will
> give a better ksymoops decode.

Thanks for that. Already setup courtesy of Debian.

Revised oops as follows:

invalid operand: 0000
CPU: 0
EIP: 0010:[<c0129841>] Tainted: P
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010282
eax: c18542d0 ebx: 00000000 ecx: c18542d0 edx: 00000000
esi: c1896c00 edi: c18542d0 ebp: bfffe8fc esp: dcb6df28
ds: 0018 es: 0018 ss: 0018
Process rmmod (pid: 6729, stackpage=dcb6d000)
Stack: dfbfa400 c1896c00 dfbfa540 bfffe8fc ed0800ff 0000001c c1896c00 c01acd3f
c0129f1a c0129f44 c010b6bd e08fdbab c1896c00 00000200 df5b0000 1f5b0000
c1896c00 dfbfa400 c1896c00 e08fe860 e08fc000 c01ad01f c1896c00 e08fc000
Call Trace: [<c01acd3f>] [<c0129f1a>] [<c0129f44>] [<c010b6bd>] [<e08fdbab>]
[<e08fe860>] [<c01ad01f>] [<e08fdc0a>] [<e08fe860>] [<c01150c7>] [<c0114457>]
[<c0106c4b>]
Code: 0f 0b 8b 57 08 85 d2 74 02 0f 0b 89 f8 2b 05 2c 04 27 c0 69

>>EIP; c0129840 <__free_pages_ok+10/1c0> <=====
Trace; c01acd3e <pci_release_regions+6e/80>
Trace; c0129f1a <__free_pages+1a/20>
Trace; c0129f44 <free_pages+24/30>
Trace; c010b6bc <pci_free_consistent+1c/20>
Trace; e08fdbaa <[via-rhine]via_rhine_remove_one+2a/40>
Trace; e08fe860 <[via-rhine]via_rhine_driver+0/3e>
Trace; c01ad01e <pci_unregister_driver+3e/60>
Trace; e08fdc0a <[via-rhine]via_rhine_cleanup+a/10>
Trace; e08fe860 <[via-rhine]via_rhine_driver+0/3e>
Trace; c01150c6 <free_module+16/a0>
Trace; c0114456 <sys_delete_module+f6/1c0>
Trace; c0106c4a <system_call+32/38>
Code; c0129840 <__free_pages_ok+10/1c0>
00000000 <_EIP>:
Code; c0129840 <__free_pages_ok+10/1c0> <=====
0: 0f 0b ud2a <=====
Code; c0129842 <__free_pages_ok+12/1c0>
2: 8b 57 08 mov 0x8(%edi),%edx
Code; c0129844 <__free_pages_ok+14/1c0>
5: 85 d2 test %edx,%edx
Code; c0129846 <__free_pages_ok+16/1c0>
7: 74 02 je b <_EIP+0xb> c012984a <__free_pages_ok+1a/1c0>
Code; c0129848 <__free_pages_ok+18/1c0>
9: 0f 0b ud2a
Code; c012984a <__free_pages_ok+1a/1c0>
b: 89 f8 mov %edi,%eax
Code; c012984c <__free_pages_ok+1c/1c0>
d: 2b 05 2c 04 27 c0 sub 0xc027042c,%eax
Code; c0129852 <__free_pages_ok+22/1c0>
13: 69 00 00 00 00 00 imul $0x0,(%eax),%eax

--Andrew
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