Marcelo Tosatti wrote:
>
> On Wed, 2 May 2001, Jorge Nerin wrote:
>
>> Short version:
>> Under very heavy thrashing (about four hours) the system either lockups
>> or OOM handler kills a task even when there is swap space left.
>
>
> First of all, please try to reproduce the problem with 2.4.5-pre1.
>
> If it still happens with pre1, please show us the output of "cat
> /proc/slabinfo" when the kernel is about to trigger the OOM killer.
>
> Thanks.
>
Well, as I had said this morning I have feed the Oops to ksymoops, note
that I may have mirtyped something, but anyway here is the output of
ksymoops:
ksymoops 2.3.4 on i586 2.4.5-pre1. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.4.5-pre1/ (default)
-m /usr/src/linux/System.map (default)
Warning: You did not tell me where to find symbol information. I will
assume that the log matches the kernel and modules that are running
right now and I'll use the default options above for symbol resolution.
If the current kernel and/or modules do not match the log, you can get
more accurate output by telling me the kernel version and where to find
map, modules, ksyms etc. ksymoops -h explains the options.
Warning (compare_maps): ksyms_base symbol
__VERSIONED_SYMBOL(shmem_file_setup) not found in System.map. Ignoring
ksyms_base entry
invalid operand: 0000
CPU: 1
EIP: 0010:[<c0123c4>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010096
eax: 0000001b ebx: ffffffff ecx: 00000001 edx: 00000001
esi: c021b960 edi: c5fe2000 ebp: c5fe3ce0 esp: c5fe3c88
Stack: c01e89a5 c01c8af6 000002c5 00000000 c021b960 c021b954 00000000
00000001
00000020 000000cc c02961c0 00000120 c012ca08 c5fe2000 00000000
c216960
c21b954 c5fe2000 00000080 00000001 c5fe2000 00000001 00000001
c12da64
Call Trace: [<c012ca08>] [<c012da64>] [<c012dbcc>] [<c0113bbb>]
[<c01058c9>] [<c0106d07>] [<c010e568>]
[<c01054ea>] [<c010e591>] [<c010e568>] [<c01746de>] [<c0172dfd>]
[<c0173fcc>] [<c017405c>] [<c0108516>]
[<c0108709>] [<c0106de0>] [<c010fc60>] [<c0129e78>] [<c0129c78>]
[<c0129e52>] [<c0129e78>] [<c0129f56>]
[<c0129e78>] [<c0129f83>] [<c0129a29>] [<c01471a4>] [<c012cc9b>]
[<c012cd2b>] [<c0105000>] [<c01054f3>]
Code: 0f 0b 8d 65 b4 5b 5f 89 ec 5d c3 55 89 e5 83 ec 18 57 56
>>EIP; 0c0123c4 Before first symbol <=====
Trace; c012ca08 <free_shortage+1c/100>
Trace; c012da64 <__alloc_pages+16c/2c0>
Trace; c012dbcc <__get_free_pages+14/20>
Trace; c0113bbb <do_fork+93/770>
Trace; c01058c9 <sys_clone+1d/24>
Trace; c0106d07 <system_call+37/40>
Trace; c010e568 <apm_magic+0/8>
Trace; c01054ea <kernel_thread+1a/30>
Trace; c010e591 <apm_power_off+21/3c>
Trace; c010e568 <apm_magic+0/8>
Trace; c01746de <handle_sysrq+de/230>
Trace; c0172dfd <handle_scancode+1bd/318>
Trace; c0173fcc <handle_kbd_event+130/1a4>
Trace; c017405c <keyboard_interrupt+1c/28>
Trace; c0108516 <handle_IRQ_event+52/7c>
Trace; c0108709 <do_IRQ+99/ec>
Trace; c0106de0 <ret_from_intr+0/20>
Trace; c010fc60 <smp_call_function+8c/c0>
Trace; c0129e78 <do_ccupdate_local+0/40>
Trace; c0129c78 <kmem_cache_create+220/3e0>
Trace; c0129e52 <smp_call_function_all_cpus+1a/40>
Trace; c0129e78 <do_ccupdate_local+0/40>
Trace; c0129f56 <drain_cpu_caches+9e/c0>
Trace; c0129e78 <do_ccupdate_local+0/40>
Trace; c0129f83 <__kmem_cache_shrink+b/6c>
Trace; c0129a29 <kmem_slab_destroy+79/a8>
Trace; c01471a4 <shrink_dcache_memory+2c/30>
Trace; c012cc9b <do_try_to_free_pages+5f/7c>
Trace; c012cd2b <kswapd+73/110>
Trace; c0105000 <init+0/1b0>
Trace; c01054f3 <kernel_thread+23/30>
Code; 0c0123c4 Before first symbol
00000000 <_EIP>:
Code; 0c0123c4 Before first symbol <=====
0: 0f 0b ud2a <=====
Code; 0c0123c6 Before first symbol
2: 8d 65 b4 lea 0xffffffb4(%ebp),%esp
Code; 0c0123c9 Before first symbol
5: 5b pop %ebx
Code; 0c0123ca Before first symbol
6: 5f pop %edi
Code; 0c0123cb Before first symbol
7: 89 ec mov %ebp,%esp
Code; 0c0123cd Before first symbol
9: 5d pop %ebp
Code; 0c0123ce Before first symbol
a: c3 ret
Code; 0c0123cf Before first symbol
b: 55 push %ebp
Code; 0c0123d0 Before first symbol
c: 89 e5 mov %esp,%ebp
Code; 0c0123d2 Before first symbol
e: 83 ec 18 sub $0x18,%esp
Code; 0c0123d5 Before first symbol
11: 57 push %edi
Code; 0c0123d6 Before first symbol
12: 56 push %esi
Kernel panic Aiee killing interrupt handler
2 warnings issued. Results may not be reliable.
As I said I have tried to no make errors, but I copied it at 7 in the
morning, so who knows ... ;-)
--
Jorge Nerin
<[EMAIL PROTECTED]>
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