内核发生问题，机器重启后正常，但原因实在不知，不到一个星期发成两次了，那位高手帮指点一

king_queen

内核发生问题，机器重启后正常，但原因实在不知，不到一个星期发成两次了，那位高手帮指点一下



Mar  5 01:40:17 ar2000 kernel: ------------[ cut here ]------------
Mar  5 01:40:17 ar2000 kernel: kernel BUG at kernel/exit.c:840!
Mar  5 01:40:17 ar2000 kernel: invalid operand: 0000 [#1]
Mar  5 01:40:17 ar2000 kernel: SMP
Mar  5 01:40:17 ar2000 kernel: Modules linked in: nfs lockd md5 ipv6 parport_pc lp parport autofs4 i2c_dev i2c_core sunrpc iptable_filter ip_tables dm_mod button battery ac uhci_hcd ehci_hcd bnx2(U) ext3 jbd aacraid sd_mod scsi_mod
Mar  5 01:40:17 ar2000 kernel: CPU:    0
Mar  5 01:40:17 ar2000 kernel: EIP:    0060:[<c0122c26>]    Not tainted VLI
Mar  5 01:40:17 ar2000 kernel: EFLAGS: 00010246   (2.6.9-5.ELsmp)
Mar  5 01:40:17 ar2000 kernel: EIP is at do_exit+0x3b6/0x3c0
Mar  5 01:40:17 ar2000 kernel: eax: 00000000   ebx: f5cf7cf0   ecx: f5cf7700   edx: c383dd60
Mar  5 01:40:17 ar2000 kernel: esi: f7ffb680   edi: f5cf77b0   ebp: 00000000   esp: e6a99fdc
Mar  5 01:40:17 ar2000 kernel: ds: 007b   es: 007b   ss: 0068
Mar  5 01:40:17 ar2000 kernel: Process pdflush (pid: 18836, threadinfo=e6a99000 task=f5cf77b0)
Mar  5 01:40:17 ar2000 kernel: Stack: c0131d5a 00000000 00000000 00000000 c01041f7 00000000 e87ccf44 00000000
Mar  5 01:40:17 ar2000 kernel:        00000000
Mar  5 01:40:18 ar2000 kernel: Call Trace:
Mar  5 01:40:18 ar2000 kernel:  [<c0131d5a>] kthread+0x0/0x9b
Mar  5 01:40:18 ar2000 kernel:  [<c01041f7>] kernel_thread+0x0/0x72
Mar  5 01:40:18 ar2000 kernel: Code: 8d 04 02 ff 88 00 01 00 00 83 3a 02 75 0b 8b 82 08 11 00 00 e8 11 8e ff ff 89 af 80 00 00 00 89 f8 e8 bd f5 ff ff e8 ea 10 1a 00 <0f> 0b 48 03 f2 77 2d c0 eb fe 53 85 c0 89 d3 74 05 e8 59 a3 ff
Mar  5 01:40:18 ar2000 kernel:  <1>Unable to handle kernel NULL pointer dereference at virtual address 00000044
Mar  5 01:40:18 ar2000 kernel:  printing eip:
Mar  5 01:40:18 ar2000 kernel: c0122b9d
Mar  5 01:40:18 ar2000 kernel: *pde = 35a9c001
Mar  5 01:40:18 ar2000 kernel: Oops: 0000 [#2]
Mar  5 01:40:18 ar2000 kernel: SMP
Mar  5 01:40:18 ar2000 kernel: Modules linked in: nfs lockd md5 ipv6 parport_pc lp parport autofs4 i2c_dev i2c_core sunrpc iptable_filter ip_tables dm_mod button battery ac uhci_hcd ehci_hcd bnx2(U) ext3 jbd aacraid sd_mod scsi_mod
Mar  5 01:40:18 ar2000 kernel: CPU:    0
Mar  5 01:40:18 ar2000 kernel: EIP:    0060:[<c0122b9d>]    Not tainted VLI
Mar  5 01:40:18 ar2000 kernel: EFLAGS: 00010246   (2.6.9-5.ELsmp)
Mar  5 01:40:18 ar2000 kernel: EIP is at do_exit+0x32d/0x3c0
Mar  5 01:40:18 ar2000 kernel: eax: 00000000   ebx: 00000000   ecx: 00000000   edx: e6a99000
Mar  5 01:40:18 ar2000 kernel: esi: 00000000   edi: f5cf77b0   ebp: 0000000b   esp: e6a99ea8
Mar  5 01:40:18 ar2000 kernel: ds: 007b   es: 007b   ss: 0068
Mar  5 01:40:18 ar2000 kernel: Process pdflush (pid: 18836, threadinfo=e6a99000 task=f5cf77b0)
Mar  5 01:40:18 ar2000 kernel: Stack: e6a99000 e6a99fa8 00000000 c02d0229 c0106047 0000000b e6a99fa8 c02d0229
Mar  5 01:40:18 ar2000 kernel:        00000000 000000ff 0000000b 00000000 c0106329 00000000 e6a99fa8 00000000
Mar  5 01:40:18 ar2000 kernel:        c0106329 00000000 c01063f5 e6a99fa8 c02d0229 00000000 00000006 00000004
Mar  5 01:40:18 ar2000 kernel: Call Trace:
Mar  5 01:40:18 ar2000 kernel:  [<c0106047>] do_divide_error+0x0/0xea
Mar  5 01:40:18 ar2000 kernel:  [<c0106329>] do_invalid_op+0x0/0xd5
Mar  5 01:40:18 ar2000 kernel:  [<c0106329>] do_invalid_op+0x0/0xd5
Mar  5 01:40:19 ar2000 kernel:  [<c01063f5>] do_invalid_op+0xcc/0xd5
Mar  5 01:40:19 ar2000 kernel:  [<c0122c26>] do_exit+0x3b6/0x3c0
Mar  5 01:40:19 ar2000 kernel:  [<c02c454d>] schedule+0x83d/0x869
Mar  5 01:40:19 ar2000 kernel:  [<c02c454d>] schedule+0x83d/0x869
Mar  5 01:40:19 ar2000 kernel:  [<c02c6d7f>] error_code+0x2f/0x38
Mar  5 01:40:19 ar2000 kernel:  [<c0122c26>] do_exit+0x3b6/0x3c0
Mar  5 01:40:19 ar2000 kernel:  [<c0131d5a>] kthread+0x0/0x9b
Mar  5 01:40:19 ar2000 kernel:  [<c01041f7>] kernel_thread+0x0/0x72
Mar  5 01:40:19 ar2000 kernel: Code: e8 04 00 00 00 00 00 00 89 d8 e8 10 23 1a 00 f0 ff 0e 0f 94 c0 84 c0 74 07 89 f0 e8 62 c2 04 00 e8 d2 16 fe ff 8b 87 ec 04 00 00 <83> 78 44 00 74 0a b8 01 00 00 00 e8 14 dc 0c 00 8b 47 04 8b 40
Mar  5 01:40:19 ar2000 kernel:  <1>Unable to handle kernel NULL pointer dereference at virtual address 00000044
Mar  5 01:40:19 ar2000 kernel:  printing eip:
Mar  5 01:40:19 ar2000 kernel: c0122b9d
Mar  5 01:40:19 ar2000 kernel: *pde = 35a9c001
Mar  5 01:40:19 ar2000 kernel: Oops: 0000 [#3]
Mar  5 01:40:19 ar2000 kernel: SMP
Mar  5 01:40:19 ar2000 kernel: Modules linked in: nfs lockd md5 ipv6 parport_pc lp parport autofs4 i2c_dev i2c_core sunrpc iptable_filter ip_tables dm_mod button battery ac uhci_hcd ehci_hcd bnx2(U) ext3 jbd aacraid sd_mod scsi_mod
Mar  5 01:40:19 ar2000 kernel: CPU:    0
Mar  5 01:40:19 ar2000 kernel: EIP:    0060:[<c0122b9d>]    Not tainted VLI
Mar  5 01:40:19 ar2000 kernel: EFLAGS: 00010246   (2.6.9-5.ELsmp)
Mar  5 01:40:19 ar2000 kernel: EIP is at do_exit+0x32d/0x3c0
Mar  5 01:40:19 ar2000 kernel: eax: 00000000   ebx: 00000000   ecx: 00000000   edx: e6a99000
Mar  5 01:40:19 ar2000 kernel: esi: 00000000   edi: f5cf77b0   ebp: 0000000b   esp: e6a99d40
Mar  5 01:40:19 ar2000 kernel: ds: 007b   es: 007b   ss: 0068
Mar  5 01:40:19 ar2000 kernel: Process pdflush (pid: 18836, threadinfo=e6a99000 task=f5cf77b0)
Mar  5 01:40:19 ar2000 kernel: Stack: e6a99000 e6a99e74 00000000 c02d7316 c0106047 0000000b e6a99e74 c02d7316