Oops, in kmem_extra_free_checks, 2.4.13.

marc@corky.net
Fri, 9 Nov 2001 03:57:50 +0200


Skimming the recent oops reports on this mailing list's archives
has shown nothing similar, this happened more than once here, but
I'm unable to reproduce it, the compiled kernel is UP, and so is
the system.

I'm not subscribed to the list, so send me an email if any further
information is needed.

invalid operand: 0000
CPU: 0
EIP: 0010:[<c0127cf2>] Not tainted
EFLAGS: 00010046
eax: ce252000 ebx: ce252000 ecx: 00000000 edx: c14062e0
esi: ce252000 edi: cd0d25dc ebp: 00000000 esp: cd807f68
ds: 0018 es: 0018 ss: 0018
Process vim (pid: 2504, stackpage=cd807000)
Stack: cd0d25dc ce252000 ce252000 c14062e0 00000000 c01281c0 c14062e0 cd0d25dc
ce252000 fffffffb ce252000 bfffefc8 bffff154 ce252000 00000010 00001000
00000246 c012ef58 c14062e0 ce252000 cd806000 0813b800 c0106bd3 0813b800
Call Trace: [<c01281c0>] [<c012ef58>] [<c0106bd3>]

Code: 0f 0b 8b 4c 8f 18 83 f9 ff 75 ef 5b 5e 5f 31 c0 5d 59 c3 8d

Which decodes to:

>>EIP; c0127cf2 <kmem_extra_free_checks+4e/64> <=====
Trace; c01281c0 <kmem_cache_free+160/1dc>
Trace; c012ef58 <sys_open+6c/98>
Trace; c0106bd2 <system_call+32/40>
Code; c0127cf2 <kmem_extra_free_checks+4e/64>
00000000 <_EIP>:
Code; c0127cf2 <kmem_extra_free_checks+4e/64> <=====
0: 0f 0b ud2a <=====
Code; c0127cf4 <kmem_extra_free_checks+50/64>
2: 8b 4c 8f 18 movl 0x18(%edi,%ecx,4),%ecx
Code; c0127cf8 <kmem_extra_free_checks+54/64>
6: 83 f9 ff cmpl $0xffffffff,%ecx
Code; c0127cfa <kmem_extra_free_checks+56/64>
9: 75 ef jne fffffffa <_EIP+0xfffffffa> c0127cec <kmem_extra_free_checks+48/64>
Code; c0127cfc <kmem_extra_free_checks+58/64>
b: 5b popl %ebx
Code; c0127cfe <kmem_extra_free_checks+5a/64>
c: 5e popl %esi
Code; c0127cfe <kmem_extra_free_checks+5a/64>
d: 5f popl %edi
Code; c0127d00 <kmem_extra_free_checks+5c/64>
e: 31 c0 xorl %eax,%eax
Code; c0127d02 <kmem_extra_free_checks+5e/64>
10: 5d popl %ebp
Code; c0127d02 <kmem_extra_free_checks+5e/64>
11: 59 popl %ecx
Code; c0127d04 <kmem_extra_free_checks+60/64>
12: c3 ret
Code; c0127d04 <kmem_extra_free_checks+60/64>
13: 8d 00 leal (%eax),%eax

bye,
Marc.

-- 
marc @ corky.net

fingerprint = D1F0 5689 967F B87A 98EB C64D 256A D6BF 80DE 6D3C

/"\ \ / ASCII Ribbon Campaign X Against HTML Mail / \ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/