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서버가 계속 다운되는데 무슨 문제일까요

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# top
top - 21:03:31 up 2 days,  7:00,  4 users,  load average: 226.22, 247.84, 189.92
Tasks: 636 total, 120 running, 515 sleeping,   0 stopped,   1 zombie
Cpu(s):  0.1%us, 99.8%sy,  0.0%ni,  0.0%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Mem:  16431172k total, 16350848k used,    80324k free,      536k buffers
Swap:  8385920k total,  8385920k used,        0k free,    17532k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND                                                                       
  805 root      11  -5     0    0    0 S 53.2  0.0   1:09.66 kjournald                                                                      
 5285 daemon    18   0  376m 152m 2508 R 41.2  0.9   1:29.29 httpd                                                                          
 5435 daemon    17   0  342m  19m 2792 R 29.0  0.1   0:03.00 httpd                                                                          
 5264 daemon    17   0  288m  13m 2836 R 28.8  0.1   0:33.90 httpd                                                                          
 2674 daemon    17   0  491m 143m 2200 R 27.4  0.9   0:39.18 httpd                                                                          
 6325 daemon    18   0  276m 8136 3220 R 25.5  0.0   0:02.89 httpd                                                                          
29535 daemon    17   0  346m  14m 2488 R 24.2  0.1   0:03.51 httpd                                                                          
 5290 daemon    16   0  350m  57m 3236 S 23.9  0.4   0:02.19 httpd                                                                          
 3993 daemon    17   0  289m  13m 2220 R 23.2  0.1   0:55.69 httpd                                                                          
 5440 daemon    16   0  290m  13m 2496 R 22.6  0.1   0:25.92 httpd                                                                          
 5477 daemon    16   0  346m  55m 3584 R 20.7  0.3   0:03.19 httpd                                                                          
 5659 daemon    18   0  288m  12m 1716 R 20.7  0.1   0:02.29 httpd                                                                          
 6421 daemon    16   0  277m 7316 2660 R 20.0  0.0   0:00.87 httpd                                                                          
 5265 daemon    16   0  284m 7236 2928 R 19.6  0.0   0:08.91 httpd                                                                          
 6412 daemon    16   0  276m 8580 3660 R 19.6  0.1   0:00.99 httpd                                                                          
 4786 daemon    16   0  288m  13m 2748 D 18.6  0.1   0:02.17 httpd                                                                          
 6508 daemon    16   0  274m 3812 1004 R 18.4  0.0   0:00.80 httpd                                                                          
 2519 daemon    16   0  346m  56m 3404 R 18.2  0.4   0:03.68 httpd          


dmesg

You need to implement a remote task_setrlimit in your security module and call it directly from this functionWARNING: at security/security.c:51 security_ops_task_setrlimit()

Call Trace:
 [<ffffffff8012ee59>] security_ops_task_setrlimit+0x87/0x96
 [<ffffffff8009dbc9>] do_prlimit+0xd7/0x1d2
 [<ffffffff800b2376>] compat_sys_setrlimit+0x75/0x85
 [<ffffffff800614b5>] sysenter_do_call+0x1e/0x76

/var/log/message

Aug  2 20:51:35 alpha kernel: INFO: task httpd:26547 blocked for more than 120 seconds.
Aug  2 20:51:36 alpha kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug  2 20:51:36 alpha kernel: httpd         D ffff810001004420     0 26547   3685         26819 23390 (NOTLB)
Aug  2 20:51:36 alpha kernel:  ffff8101b4859dc8 0000000000000086 ffff8104259d2408 ffffffff80009a1c
Aug  2 20:51:36 alpha kernel:  ffff81042b347638 000000000000000a ffff810154f8b820 ffffffff8031cb60
Aug  2 20:51:36 alpha kernel:  0000b2dd05dbd747 0000000000070340 ffff810154f8ba08 000000003e401810
Aug  2 20:51:36 alpha kernel: Call Trace:
Aug  2 20:51:36 alpha kernel:  [<ffffffff80009a1c>] __link_path_walk+0x173/0xf39
Aug  2 20:51:36 alpha kernel:  [<ffffffff8002d0f1>] mntput_no_expire+0x19/0x89
Aug  2 20:51:36 alpha kernel:  [<ffffffff80063c63>] __mutex_lock_slowpath+0x60/0x9b
Aug  2 20:51:36 alpha kernel:  [<ffffffff80023daa>] __path_lookup_intent_open+0x56/0x97
Aug  2 20:51:36 alpha kernel:  [<ffffffff80063cad>] .text.lock.mutex+0xf/0x14
Aug  2 20:51:43 alpha kernel:  [<ffffffff8001b692>] open_namei+0xea/0x6ba
Aug  2 20:51:58 alpha kernel:  [<ffffffff800efab7>] __posix_lock_file_conf+0x396/0x3e0



CPU 로드량이 226까지 올라가면서 서버가 뻗어버리는데요

용도는 웹서버입니다.

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INFO: task httpd:2654
아파치쪽 문제 같습니다. 아파치 관련 로그를 확인 해 보시고

http://ssambback.tistory.com/entry/서버가-응답이-없어요INfotask-processpid-lock-for-more-than-120-seconds
확인해 보세요,

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