oops after 2-3 days working...

[Nickolay]

Hello Guys!

I has host, running my applications.
After 2-3 days, i can't logon to system via network, and can't login 
from console.
In kernel.debug many oopses for processes telnetd, sshd, crond, bash and 
other...
Kernel - stock 2.4.27.
After oopsing started, system working 5-6 hours and hanged.
I try move my applications to other host, and has same trouble :(

Here is first oops:

Jan  2 16:43:00 localhost kernel: Unable to handle kernel paging request 
at virtual address b0bdd054
Jan  2 16:43:00 localhost kernel:  printing eip:
Jan  2 16:43:00 localhost kernel: c0128e3c
Jan  2 16:43:00 localhost kernel: *pde = 00000000
Jan  2 16:43:00 localhost kernel: Oops: 0000
Jan  2 16:43:00 localhost kernel: CPU:    0
Jan  2 16:43:00 localhost kernel: EIP:    0010:[<c0128e3c>]    Not tainted
Jan  2 16:43:00 localhost kernel: EFLAGS: 00010883
Jan  2 16:43:00 localhost kernel: eax: 34ffffff   ebx: 9ffffae0   ecx: 
dcbdd040   edx: dc99b640
Jan  2 16:43:00 localhost kernel: esi: c15dfc00   edi: 00000246   ebp: 
000001f0   esp: db78bf64
Jan  2 16:43:00 localhost kernel: ds: 0018   es: 0018   ss: 0018
Jan  2 16:43:00 localhost kernel: Process crond (pid: 445, 
stackpage=db78b000)
Jan  2 16:43:00 localhost kernel: Stack: d1724000 ded07280 d17245a0 
00000011 c0113917 c15dfc00 000001f0 db78a000
Jan  2 16:43:00 localhost kernel:        0804ea20 00000001 db78bfbc 
00000000 fffffff4 00000296 db78a000 00000000
Jan  2 16:43:00 localhost kernel:        c01177f4 c0107398 00000011 
bffffccc db78bfc4 00000000 bffffcd8 c01086d3
Jan  2 16:43:00 localhost kernel: Call Trace:    [<c0113917>] 
[<c01177f4>] [<c0107398>] [<c01086d3>]
Jan  2 16:43:00 localhost kernel:
Jan  2 16:43:00 localhost kernel: Code: 8b 44 81 18 89 41 14 03 59 0c 83 
f8 ff 75 25 8b 41 04 8b 11

Here is ksymoops output for first oops:
>>EIP; c0128e3c <filemap_sync+5c/230>   <=====

>>ecx; dcbdd040 <_end+1c884bc8/205d2be8>
>>edx; dc99b640 <_end+1c6431c8/205d2be8>
>>esi; c15dfc00 <_end+1287788/205d2be8>
>>esp; db78bf64 <_end+1b433aec/205d2be8>

Trace; c0113917 <sleep_on_timeout+1c7/490>
Trace; c01177f4 <try_inc_mod_count+674/15e0>
Trace; c0107398 <__up_wakeup+1628/1650>
Trace; c01086d3 <dump_stack+1313/1610>

Code;  c0128e3c <filemap_sync+5c/230>
00000000 <_EIP>:
Code;  c0128e3c <filemap_sync+5c/230>   <=====
  0:   8b 44 81 18               mov    0x18(%ecx,%eax,4),%eax   <=====
Code;  c0128e40 <filemap_sync+60/230>
  4:   89 41 14                  mov    %eax,0x14(%ecx)
Code;  c0128e43 <filemap_sync+63/230>
  7:   03 59 0c                  add    0xc(%ecx),%ebx
Code;  c0128e46 <filemap_sync+66/230>
  a:   83 f8 ff                  cmp    $0xffffffff,%eax
Code;  c0128e49 <filemap_sync+69/230>
  d:   75 25                     jne    34 <_EIP+0x34>
Code;  c0128e4b <filemap_sync+6b/230>
  f:   8b 41 04                  mov    0x4(%ecx),%eax
Code;  c0128e4e <filemap_sync+6e/230>
 12:   8b 11                     mov    (%ecx),%edx

#################################################
This is oops number 2:

Jan  2 16:43:01 localhost kernel:  <1>Unable to handle kernel paging 
request at virtual address b0bdd054
Jan  2 16:43:01 localhost kernel:  printing eip:
Jan  2 16:43:01 localhost kernel: c0128e3c
Jan  2 16:43:01 localhost kernel: *pde = 00000000
Jan  2 16:43:01 localhost kernel: Oops: 0000
Jan  2 16:43:01 localhost kernel: CPU:    0
Jan  2 16:43:01 localhost kernel: EIP:    0010:[<c0128e3c>]    Not tainted
Jan  2 16:43:01 localhost kernel: EFLAGS: 00010883
Jan  2 16:43:01 localhost kernel: eax: 34ffffff   ebx: 9ffffae0   ecx: 
dcbdd040   edx: db69a3a0
Jan  2 16:43:01 localhost kernel: esi: c15dfc00   edi: 00000246   ebp: 
000001f0   esp: db78bf64
Jan  2 16:43:01 localhost kernel: ds: 0018   es: 0018   ss: 0018
Jan  2 16:43:01 localhost kernel: Process log_script.sh (pid: 9286, 
stackpage=db78b000)
Jan  2 16:43:01 localhost kernel: Stack: dc56e000 ded07280 dc56e5a0 
00000011 c0113917 c15dfc00 000001f0 db78a000
Jan  2 16:43:01 localhost kernel:        bffff7d0 00000000 db78bfbc 
00000000 fffffff4 bffff708 dc9845c0 c01304e3
Jan  2 16:43:01 localhost kernel:        db78a000 c0107398 00000011 
bffff74c db78bfc4 00000000 bffff868 c01086d3
Jan  2 16:43:01 localhost kernel: Call Trace:    [<c0113917>] 
[<c01304e3>] [<c0107398>] [<c01086d3>]
Jan  2 16:43:01 localhost kernel:
Jan  2 16:43:01 localhost kernel: Code: 8b 44 81 18 89 41 14 03 59 0c 83 
f8 ff 75 25 8b 41 04 8b 11

This is ksymoops output for oops number 2:

>>EIP; c0128e3c <filemap_sync+5c/230>   <=====

>>ecx; dcbdd040 <_end+1c884bc8/205d2be8>
>>edx; db69a3a0 <_end+1b341f28/205d2be8>
>>esi; c15dfc00 <_end+1287788/205d2be8>
>>esp; db78bf64 <_end+1b433aec/205d2be8>

Trace; c0113917 <sleep_on_timeout+1c7/490>
Trace; c01304e3 <free_pages+683/20b0>
Trace; c0107398 <__up_wakeup+1628/1650>
Trace; c01086d3 <dump_stack+1313/1610>

Code;  c0128e3c <filemap_sync+5c/230>
00000000 <_EIP>:
Code;  c0128e3c <filemap_sync+5c/230>   <=====
  0:   8b 44 81 18               mov    0x18(%ecx,%eax,4),%eax   <=====
Code;  c0128e40 <filemap_sync+60/230>
  4:   89 41 14                  mov    %eax,0x14(%ecx)
Code;  c0128e43 <filemap_sync+63/230>
  7:   03 59 0c                  add    0xc(%ecx),%ebx
Code;  c0128e46 <filemap_sync+66/230>
  a:   83 f8 ff                  cmp    $0xffffffff,%eax
Code;  c0128e49 <filemap_sync+69/230>
  d:   75 25                     jne    34 <_EIP+0x34>
Code;  c0128e4b <filemap_sync+6b/230>
  f:   8b 41 04                  mov    0x4(%ecx),%eax
Code;  c0128e4e <filemap_sync+6e/230>
 12:   8b 11                     mov    (%ecx),%edx


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