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2 做过哪些操作或改动设置等
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每天都死机一次,重启后正常。
Aug 2 10:55:27 localhost kernel: INFO: task httpd:2613 blocked for more than 120 seconds.
Aug 2 10:55:27 localhost kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug 2 10:55:27 localhost kernel: httpd D 0000000000000000 0 2613 1388 0x00000080
Aug 2 10:55:27 localhost kernel: ffff88007d769e38 0000000000000082 ffff88007d769df8 ffffffff8114431a
Aug 2 10:55:27 localhost kernel: ffff88007d769e38 ffffffff81148336 ffff88007ae4c040 0000000000000028
Aug 2 10:55:27 localhost kernel: ffff88007ae4c5f8 ffff88007d769fd8 000000000000fb88 ffff88007ae4c5f8
Aug 2 10:55:27 localhost kernel: Call Trace:
Aug 2 10:55:27 localhost kernel: [<ffffffff8114431a>] ? handle_mm_fault+0x23a/0x310
Aug 2 10:55:27 localhost kernel: [<ffffffff81148336>] ? vma_adjust+0x556/0x5e0
Aug 2 10:55:27 localhost kernel: [<ffffffff8104757c>] ? __do_page_fault+0x1ec/0x480
Aug 2 10:55:27 localhost kernel: [<ffffffff8127d95c>] ? rb_erase+0x1bc/0x310
Aug 2 10:55:27 localhost kernel: [<ffffffff8150fc45>] rwsem_down_failed_common+0x95/0x1d0
Aug 2 10:55:27 localhost kernel: [<ffffffff8100988e>] ? __switch_to+0x26e/0x320
Aug 2 10:55:27 localhost kernel: [<ffffffff8150fda3>] rwsem_down_write_failed+0x23/0x30
Aug 2 10:55:27 localhost kernel: [<ffffffff812833e3>] call_rwsem_down_write_failed+0x13/0x20
Aug 2 10:55:27 localhost kernel: [<ffffffff8150f2a2>] ? down_write+0x32/0x40
Aug 2 10:55:27 localhost kernel: [<ffffffff81149df0>] sys_brk+0x40/0x130
Aug 2 10:55:27 localhost kernel: [<ffffffff8100b072>] system_call_fastpath+0x16/0x1b
Aug 2 12:28:55 localhost pure-ftpd: (?@222.174.27.98) [INFO] 自 222.174.27.98 的新连接
Aug 2 12:28:59 localhost pure-ftpd: (?@222.174.27.98) [WARNING] 使用者[anonymous]验证失败
Aug 2 12:28:59 localhost pure-ftpd: (?@222.174.27.98) [INFO] 登出.
Aug 2 16:35:29 localhost kernel: mysqld invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0, oom_score_adj=0
Aug 2 16:35:29 localhost kernel: mysqld cpuset=/ mems_allowed=0
Aug 2 16:35:29 localhost kernel: Pid: 2490, comm: mysqld Not tainted 2.6.32-358.el6.x86_64 #1
Aug 2 16:35:30 localhost kernel: Call Trace:
Aug 2 16:35:30 localhost kernel: [<ffffffff8111cd10>] ? dump_header+0x90/0x1b0
Aug 2 16:35:30 localhost kernel: [<ffffffff810cc671>] ? cpuset_mems_allowed_intersects+0x21/0x30
Aug 2 16:35:30 localhost kernel: [<ffffffff8111d192>] ? oom_kill_process+0x82/0x2a0
Aug 2 16:35:30 localhost kernel: [<ffffffff8111d0d1>] ? select_bad_process+0xe1/0x120
Aug 2 16:35:30 localhost kernel: [<ffffffff8111d5d0>] ? out_of_memory+0x220/0x3c0
Aug 2 16:35:30 localhost kernel: [<ffffffff8112c27c>] ? __alloc_pages_nodemask+0x8ac/0x8d0
Aug 2 16:35:30 localhost kernel: [<ffffffff8116087a>] ? alloc_pages_current+0xaa/0x110
Aug 2 16:35:30 localhost kernel: [<ffffffff8111a0f7>] ? __page_cache_alloc+0x87/0x90
Aug 2 16:35:30 localhost kernel: [<ffffffff81119ade>] ? find_get_page+0x1e/0xa0
Aug 2 16:35:30 localhost kernel: [<ffffffff8111b0b7>] ? filemap_fault+0x1a7/0x500
Aug 2 16:35:30 localhost kernel: [<ffffffff811430b4>] ? __do_fault+0x54/0x530
Aug 2 16:35:30 localhost kernel: [<ffffffff81143687>] ? handle_pte_fault+0xf7/0xb50
Aug 2 16:35:30 localhost kernel: [<ffffffff81434551>] ? sock_aio_read+0x1a1/0x1b0
Aug 2 16:35:30 localhost kernel: [<ffffffff8114431a>] ? handle_mm_fault+0x23a/0x310
Aug 2 16:35:30 localhost kernel: [<ffffffff810474c9>] ? __do_page_fault+0x139/0x480
Aug 2 16:35:30 localhost kernel: [<ffffffff8118eb05>] ? putname+0x35/0x50
Aug 2 16:35:30 localhost kernel: [<ffffffff8151311e>] ? do_page_fault+0x3e/0xa0
Aug 2 16:35:30 localhost kernel: [<ffffffff815104d5>] ? page_fault+0x25/0x30
Aug 2 16:35:30 localhost kernel: Mem-Info:
Aug 2 16:35:30 localhost kernel: Node 0 DMA per-cpu:
Aug 2 16:35:30 localhost kernel: CPU 0: hi: 0, btch: 1 usd: 0
Aug 2 16:35:30 localhost kernel: CPU 1: hi: 0, btch: 1 usd: 0
Aug 2 16:35:30 localhost kernel: CPU 2: hi: 0, btch: 1 usd: 0
Aug 2 16:35:30 localhost kernel: CPU 3: hi: 0, btch: 1 usd: 0
Aug 2 16:35:30 localhost kernel: Node 0 DMA32 per-cpu:
Aug 2 16:35:30 localhost kernel: CPU 0: hi: 186, btch: 31 usd: 127
Aug 2 16:35:30 localhost kernel: CPU 1: hi: 186, btch: 31 usd: 3
Aug 2 16:35:30 localhost kernel: CPU 2: hi: 186, btch: 31 usd: 30
Aug 2 16:35:30 localhost kernel: CPU 3: hi: 186, btch: 31 usd: 59
Aug 2 16:35:30 localhost kernel: active_anon:44117 inactive_anon:44222 isolated_anon:0
Aug 2 16:35:30 localhost kernel: active_file:250 inactive_file:441 isolated_file:0
Aug 2 16:35:30 localhost kernel: unevictable:0 dirty:0 writeback:9 unstable:0
Aug 2 16:35:30 localhost kernel: free:13268 slab_reclaimable:2752 slab_unreclaimable:17010
Aug 2 16:35:30 localhost kernel: mapped:272 shmem:40 pagetables:31596 bounce:0
Aug 2 16:35:30 localhost kernel: Node 0 DMA free:8356kB min:332kB low:412kB high:496kB active_anon:3164kB inactive_anon:3352kB active_file:32kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15308kB mlocked:0kB dirty:0kB writeback:0kB mapped:20kB shmem:0kB slab_reclaimable:16kB slab_unreclaimable:140kB kernel_stack:32kB pagetables:448kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:10 all_unreclaimable? yes
Aug 2 16:35:30 localhost kernel: lowmem_reserve[]: 0 2004 2004 2004
Aug 2 16:35:30 localhost kernel: Node 0 DMA32 free:44716kB min:44720kB low:55900kB high:67080kB active_anon:173304kB inactive_anon:173536kB active_file:968kB inactive_file:1764kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:2052256kB mlocked:0kB dirty:0kB writeback:36kB mapped:1068kB shmem:160kB slab_reclaimable:10992kB slab_unreclaimable:67900kB kernel_stack:5048kB pagetables:125936kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:2848 all_unreclaimable? yes
Aug 2 16:35:30 localhost kernel: lowmem_reserve[]: 0 0 0 0
Aug 2 16:35:30 localhost kernel: Node 0 DMA: 21*4kB 7*8kB 2*16kB 3*32kB 3*64kB 6*128kB 4*256kB 2*512kB 3*1024kB 1*2048kB 0*4096kB = 8396kB
Aug 2 16:35:30 localhost kernel: Node 0 DMA32: 93*4kB 145*8kB 711*16kB 488*32kB 129*64kB 20*128kB 1*256kB 2*512kB 2*1024kB 1*2048kB 0*4096kB = 44716kB
Aug 2 16:35:30 localhost kernel: 3742 total pagecache pages
Aug 2 16:35:30 localhost kernel: 2898 pages in swap cache
Aug 2 16:35:30 localhost kernel: Swap cache stats: add 797897, delete 794999, find 242987/266112
Aug 2 16:35:30 localhost kernel: Free swap = 0kB
Aug 2 16:35:30 localhost kernel: Total swap = 2097144kB
Aug 2 16:35:30 localhost kernel: 524272 pages RAM
Aug 2 16:35:30 localhost kernel: 43780 pages reserved
Aug 2 16:35:30 localhost kernel: 195317 pages shared
Aug 2 16:35:30 localhost kernel: 461089 pages non-shared
Aug 2 16:35:30 localhost kernel: [ pid ] uid tgid total_vm rss cpu oom_adj oom_score_adj name
Aug 2 16:35:30 localhost kernel: [ 459] 0 459 2725 19 0 -17 -1000 udevd
Aug 2 16:35:30 localhost kernel: [ 1119] 0 1119 23300 79 0 -17 -1000 auditd
Aug 2 16:35:30 localhost kernel: [ 1135] 0 1135 62272 108 1 0 0 rsyslogd
Aug 2 16:35:30 localhost kernel: [ 1175] 0 1175 16100 63 3 -17 -1000 sshd
Aug 2 16:35:30 localhost kernel: [ 1388] 0 1388 31773 497 1 0 0 httpd
Aug 2 16:35:30 localhost kernel: [ 1400] 0 1400 12012 69 0 0 0 nginx
Aug 2 16:35:30 localhost kernel: [ 1415] 0 1415 37854 20 0 0 0 pure-ftpd
Aug 2 16:35:30 localhost kernel: [ 1423] 0 1423 28133 38 3 0 0 httpd
Aug 2 16:35:30 localhost kernel: [ 1431] 0 1431 29312 42 0 0 0 crond
Aug 2 16:35:31 localhost kernel: [ 1444] 0 1444 1016 15 1 0 0 mingetty
Aug 2 16:35:31 localhost kernel: [ 1446] 0 1446 1016 15 1 0 0 mingetty
Aug 2 16:35:31 localhost kernel: [ 1448] 0 1448 1016 15 1 0 0 mingetty
Aug 2 16:35:31 localhost kernel: [ 1450] 0 1450 2724 18 3 -17 -1000 udevd
Aug 2 16:35:31 localhost kernel: [ 1451] 0 1451 2724 16 2 -17 -1000 udevd
Aug 2 16:35:31 localhost kernel: [ 1452] 0 1452 1016 15 3 0 0 mingetty
Aug 2 16:35:31 localhost kernel: [ 1454] 0 1454 1016 15 3 0 0 mingetty
Aug 2 16:35:31 localhost kernel: [ 1456] 0 1456 1016 15 2 0 0 mingetty
Aug 2 16:35:31 localhost kernel: [ 1799] 1000 1799 12199 331 3 0 0 nginx
Aug 2 16:35:31 localhost kernel: [ 1800] 1000 1800 12016 291 0 0 0 nginx
Aug 2 16:35:31 localhost kernel: [ 1801] 1000 1801 12190 263 2 0 0 nginx
Aug 2 16:35:31 localhost kernel: [ 1804] 1000 1804 33039 296 0 0 0 httpd |