2.4.13-ac6: kmem_cache_reap oops!

From: Mike Maravillo (mike.maravillo@q-linux.com)
Date: Mon Nov 05 2001 - 11:25:04 EST

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Unable to handle kernel NULL pointer dereference at virtual address 00000010
c0128720
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c0128720>] Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010007
eax: 00000000 ebx: 00000000 ecx: 00000000 edx: c1427760
esi: 0000005a edi: c14277c0 ebp: 00000009 esp: c14c1fac
ds: 0018 es: 0018 ss: 0018
Process kswapd (pid: 4, stackpage=c14c1000)
Stack: c1427750 00000002 00000002 000066f9 000000c0 00000000 0008e000 c012a1b5
000000c0 00000006 000000c0 c012a227 000000c0 00000000 00010f00 c1439fb8
c0105000 c01054f6 00000000 c012a1c0 c024dfd8
Call Trace: [<c012a1b5>] [<c012a227>] [<c0105000>] [<c01054f6>] [<c012a1c0>]
Code: 8b 48 10 85 c9 74 02 0f 0b 8b 00 46 39 d0 75 f0 8b 04 24 89

>>EIP; c0128720 <kmem_cache_reap+d0/1c0> <=====
Trace; c012a1b5 <do_try_to_free_pages+45/50>
Trace; c012a227 <kswapd+67/c0>
Trace; c0105000 <_stext+0/0>
Trace; c01054f6 <kernel_thread+26/30>
Trace; c012a1c0 <kswapd+0/c0>
Code; c0128720 <kmem_cache_reap+d0/1c0>
00000000 <_EIP>:
Code; c0128720 <kmem_cache_reap+d0/1c0> <=====
   0: 8b 48 10 mov 0x10(%eax),%ecx <=====
Code; c0128723 <kmem_cache_reap+d3/1c0>
   3: 85 c9 test %ecx,%ecx
Code; c0128725 <kmem_cache_reap+d5/1c0>
   5: 74 02 je 9 <_EIP+0x9> c0128729 <kmem_cache_reap+d9/1c0>
Code; c0128727 <kmem_cache_reap+d7/1c0>
   7: 0f 0b ud2a
Code; c0128729 <kmem_cache_reap+d9/1c0>
   9: 8b 00 mov (%eax),%eax
Code; c012872b <kmem_cache_reap+db/1c0>
   b: 46 inc %esi
Code; c012872c <kmem_cache_reap+dc/1c0>
   c: 39 d0 cmp %edx,%eax
Code; c012872e <kmem_cache_reap+de/1c0>
   e: 75 f0 jne 0 <_EIP>
Code; c0128730 <kmem_cache_reap+e0/1c0>
  10: 8b 04 24 mov (%esp,1),%eax
Code; c0128733 <kmem_cache_reap+e3/1c0>
  13: 89 00 mov %eax,(%eax)

-- 
 .--.  Michael J. Maravillo                   office://+63.2.894.3592/
( () ) Q Linux Solutions, Inc.              mobile://+63.917.897.0919/
 `--\\ A Philippine Open Source Solutions Co.  http://www.q-linux.com/
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