2.4.23 Oops
From: Frank van Maarseveen
Date: Mon Dec 15 2003 - 06:04:09 EST
Got a new kernel oops. Same machine as the previous reported oops
in journal_try_to_free_buffers(). Something seems definately wrong
in 2.4.23.
Marcelo, I'll follow your suggestion te revert a particular change.
ksymoops 2.4.9 on i686 2.4.23-x91. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.4.23-x91/ (default)
-m /boot/System.map-2.4.23-x91 (specified)
Dec 15 11:31:26 tornio kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000000
Dec 15 11:31:26 tornio kernel: c0147c56
Dec 15 11:31:26 tornio kernel: *pde = 00000000
Dec 15 11:31:26 tornio kernel: Oops: 0000
Dec 15 11:31:26 tornio kernel: CPU: 0
Dec 15 11:31:26 tornio kernel: EIP: 0010:[<c0147c56>] Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
Dec 15 11:31:26 tornio kernel: EFLAGS: 00010217
Dec 15 11:31:26 tornio kernel: eax: 00000000 ebx: fffffff0 ecx: 0000000e edx: a4946908
Dec 15 11:31:26 tornio kernel: esi: c4aecdd4 edi: c4aece40 ebp: c2973ec4 esp: c2973ea4
Dec 15 11:31:26 tornio kernel: ds: 0018 es: 0018 ss: 0018
Dec 15 11:31:26 tornio kernel: Process sh (pid: 17607, stackpage=c2973000)
Dec 15 11:31:27 tornio kernel: Stack: c2973f1c c4aecdd4 c4aece40 00000000 c11a1078 c442000f a4946908 0000000c
Dec 15 11:31:27 tornio kernel: c2973ee0 c013f8e7 c4b7fbf8 c2973f1c c2973f1c 00000000 c2973f84 c2973f28
Dec 15 11:31:27 tornio kernel: c0140055 c4b7fbf8 c2973f1c 00000000 c2973f84 c4420000 00000000 c2973fb4
Dec 15 11:31:27 tornio kernel: Call Trace: [<c013f8e7>] [<c0140055>] [<c0116230>] [<c01402ed>] [<c014044e>]
Dec 15 11:31:27 tornio kernel: [<c01407e0>] [<c013654e>] [<c013688e>] [<c0108ab3>]
Dec 15 11:31:27 tornio kernel: Code: 8b 00 89 45 ec 39 53 44 75 78 8b 45 08 39 43 0c 75 70 8b 40
>>EIP; c0147c56 <d_lookup+66/10c> <=====
>>esi; c4aecdd4 <_end+4662d54/846ffe0>
>>edi; c4aece40 <_end+4662dc0/846ffe0>
>>ebp; c2973ec4 <_end+24e9e44/846ffe0>
>>esp; c2973ea4 <_end+24e9e24/846ffe0>
Trace; c013f8e7 <real_lookup+27/cc>
Trace; c0140055 <link_path_walk+5d5/850>
Trace; c0116230 <do_page_fault+1a4/4c7>
Trace; c01402ed <path_walk+1d/24>
Trace; c014044e <path_lookup+1e/2c>
Trace; c01407e0 <open_namei+64/4c8>
Trace; c013654e <filp_open+32/50>
Trace; c013688e <sys_open+36/88>
Trace; c0108ab3 <system_call+33/40>
Code; c0147c56 <d_lookup+66/10c>
00000000 <_EIP>:
Code; c0147c56 <d_lookup+66/10c> <=====
0: 8b 00 mov (%eax),%eax <=====
Code; c0147c58 <d_lookup+68/10c>
2: 89 45 ec mov %eax,0xffffffec(%ebp)
Code; c0147c5b <d_lookup+6b/10c>
5: 39 53 44 cmp %edx,0x44(%ebx)
Code; c0147c5e <d_lookup+6e/10c>
8: 75 78 jne 82 <_EIP+0x82>
Code; c0147c60 <d_lookup+70/10c>
a: 8b 45 08 mov 0x8(%ebp),%eax
Code; c0147c63 <d_lookup+73/10c>
d: 39 43 0c cmp %eax,0xc(%ebx)
Code; c0147c66 <d_lookup+76/10c>
10: 75 70 jne 82 <_EIP+0x82>
Code; c0147c68 <d_lookup+78/10c>
12: 8b 40 00 mov 0x0(%eax),%eax
Dec 15 11:35:01 tornio kernel: kernel BUG at slab.c:1218!
Dec 15 11:35:01 tornio kernel: invalid operand: 0000
Dec 15 11:35:01 tornio kernel: CPU: 0
Dec 15 11:35:01 tornio kernel: EIP: 0010:[<c012e38c>] Not tainted
Dec 15 11:35:01 tornio kernel: EFLAGS: 00010002
Dec 15 11:35:01 tornio kernel: eax: 01b0a3db ebx: 00000000 ecx: 00000074 edx: c11833f0
Dec 15 11:35:01 tornio kernel: esi: c40a3f60 edi: c40a3040 ebp: c11cbf18 esp: c11cbf04
Dec 15 11:35:01 tornio kernel: ds: 0018 es: 0018 ss: 0018
Dec 15 11:35:01 tornio kernel: Process kswapd (pid: 4, stackpage=c11cb000)
Dec 15 11:35:01 tornio kernel: Stack: c40a3040 c40a3f64 c11833f0 01b0a3db c1bf9424 c11cbf48 c012e921 c11833f0
Dec 15 11:35:01 tornio kernel: c40a3040 c40a3f60 c6542220 c40a3f64 c37cc254 c014998d 0000006c c40a3f60
Dec 15 11:35:01 tornio kernel: 00000246 c11cbf64 c0147716 c11833f0 c40a3f64 0000003c 000001d0 0000000c
Dec 15 11:35:01 tornio kernel: Call Trace: [<c012e921>] [<c014998d>] [<c0147716>] [<c01479e0>] [<c012fe14>]
Dec 15 11:35:01 tornio kernel: [<c012ff9b>] [<c0130007>] [<c013013d>] [<c01073b4>]
Dec 15 11:35:01 tornio kernel: Code: 0f 0b c2 04 e0 37 33 c0 0f af 4d f8 8d 04 19 39 c6 74 08 0f
>>EIP; c012e38c <kmem_extra_free_checks+30/74> <=====
>>edx; c11833f0 <_end+cf9370/846ffe0>
>>esi; c40a3f60 <_end+3c19ee0/846ffe0>
>>edi; c40a3040 <_end+3c18fc0/846ffe0>
>>ebp; c11cbf18 <_end+d41e98/846ffe0>
>>esp; c11cbf04 <_end+d41e84/846ffe0>
Trace; c012e921 <kmem_cache_free+1c9/270>
Trace; c014998d <iput+45/1d8>
Trace; c0147716 <prune_dcache+116/150>
Trace; c01479e0 <shrink_dcache_memory+1c/34>
Trace; c012fe14 <try_to_free_pages_zone+70/d8>
Trace; c012ff9b <kswapd_balance_pgdat+5f/b4>
Trace; c0130007 <kswapd_balance+17/34>
Trace; c013013d <kswapd+9d/c0>
Trace; c01073b4 <arch_kernel_thread+28/38>
Code; c012e38c <kmem_extra_free_checks+30/74>
00000000 <_EIP>:
Code; c012e38c <kmem_extra_free_checks+30/74> <=====
0: 0f 0b ud2a <=====
Code; c012e38e <kmem_extra_free_checks+32/74>
2: c2 04 e0 ret $0xe004
Code; c012e391 <kmem_extra_free_checks+35/74>
5: 37 aaa
Code; c012e392 <kmem_extra_free_checks+36/74>
6: 33 c0 xor %eax,%eax
Code; c012e394 <kmem_extra_free_checks+38/74>
8: 0f af 4d f8 imul 0xfffffff8(%ebp),%ecx
Code; c012e398 <kmem_extra_free_checks+3c/74>
c: 8d 04 19 lea (%ecx,%ebx,1),%eax
Code; c012e39b <kmem_extra_free_checks+3f/74>
f: 39 c6 cmp %eax,%esi
Code; c012e39d <kmem_extra_free_checks+41/74>
11: 74 08 je 1b <_EIP+0x1b>
Code; c012e39f <kmem_extra_free_checks+43/74>
13: 0f 00 00 sldtl (%eax)
--
Frank
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