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SubjectRe: SMP instability in 2.4.21-pre3-ac4, oops provided
From: Jurriaan <>
Date: Tue, Jan 28, 2003 at 02:25:17PM +0100
> From: Jurriaan <>
> Date: Tue, Jan 28, 2003 at 08:30:30AM +0100
> > I'm seeing instability in my new system, a dual Intel P3/1400 tualatin
> > system.
Thinking it may have to do with my gcc-version, I tried 2.95 (and had no

ksymoops 2.4.8 on i686 2.4.21-pre3-ac4. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.4.21-pre3-ac4/ (default)
-m /boot/ (specified)

Unable to handle kernel paging request at virtual address ad94a054
*pde = 00000000
Oops: 000
CPU: 0
EIP: 0010:[<c0136630>] Tainted: PF
Using defaults from ksymoops -t elf32-i386 -a i386
Call Trace: [<c01369b8>] [<c0144811>] [<c014495d>] [<c0144be7>] [<c01451e1>]
[<c0139ce0>] [<c012fac9>] [<c0179c79>] [<c0176ed4>] [<c012fbe4>] [<c0130435>]
[<c01306cc>] [<c0130cab>] [<c0130ba8>] [<c014174d>] [<c010734f>]
Code: 87 03 3d 71 f0 2c 5a 74 08 0f 0b f4 04 0c 96 26 c0 8b 7d 08

>>EIP; c0136630 <kmem_cache_alloc_batch+178/22c> <=====

Trace; c01369b8 <kmem_cache_alloc+84/29c>
Trace; c0144811 <get_unused_buffer_head+c5/19c>
Trace; c014495d <create_buffers+1d/140>
Trace; c0144be7 <create_empty_buffers+17/60>
Trace; c01451e1 <block_read_full_page+51/204>
Trace; c0139ce0 <__alloc_pages+44/164>
Trace; c012fac9 <add_to_page_cache_unique+d5/e4>
Trace; c0179c79 <reiserfs_readpage+11/18>
Trace; c0176ed4 <reiserfs_get_block+0/1018>
Trace; c012fbe4 <page_cache_read+10c/124>
Trace; c0130435 <generic_file_readahead+109/140>
Trace; c01306cc <do_generic_file_read+228/504>
Trace; c0130cab <generic_file_read+7b/10c>
Trace; c0130ba8 <file_read_actor+0/88>
Trace; c014174d <sys_read+91/17c>
Trace; c010734f <system_call+33/38>

Code; c0136630 <kmem_cache_alloc_batch+178/22c>
00000000 <_EIP>:
Code; c0136630 <kmem_cache_alloc_batch+178/22c> <=====
0: 87 03 xchg %eax,(%ebx) <=====
Code; c0136632 <kmem_cache_alloc_batch+17a/22c>
2: 3d 71 f0 2c 5a cmp $0x5a2cf071,%eax
Code; c0136637 <kmem_cache_alloc_batch+17f/22c>
7: 74 08 je 11 <_EIP+0x11>
Code; c0136639 <kmem_cache_alloc_batch+181/22c>
9: 0f 0b ud2a
Code; c013663b <kmem_cache_alloc_batch+183/22c>
b: f4 hlt
Code; c013663c <kmem_cache_alloc_batch+184/22c>
c: 04 0c add $0xc,%al
Code; c013663e <kmem_cache_alloc_batch+186/22c>
e: 96 xchg %eax,%esi
Code; c013663f <kmem_cache_alloc_batch+187/22c>
f: 26 c0 8b 7d 08 00 00 rorb $0x0,%es:0x87d(%ebx)
Code; c0136646 <kmem_cache_alloc_batch+18e/22c>
16: 00

And the gosts of hope walk silent halls
At the death of the promised land
All is gone, all is gone
But these changing winds can turn cold and hostile
New Model Army
GNU/Linux 2.4.21-pre3-ac4 SMP/ReiserFS 2x2824 bogomips load av: 0.54 1.10 0.82
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