搬家后经常宕机的问题，请大家看看日志。

lostye

之前是一天几次宕机，2分钟自动恢复，貌似是内存耗尽了，我看日志，发现是有个自动更新的程序数据出问题了，然后我就把这个程序和数据库都清空了，之后好多，但是每天还是会偶尔单机一次，下面mysql的错误日志：[ol]

121203 23:20:53 mysqld_safe Number of processes running now: 0

121203 23:20:54 mysqld_safe mysqld restarted

121203 23:20:59 [Note] Event Scheduler: Loaded 0 events

121203 23:20:59 [Note] /usr/local/mysql/libexec/mysqld: ready for connections.

Version: '5.1.60-log'  socket: '/tmp/mysql.sock'  port: 3306  Source distribution[/ol]复制代码下面是宕机时的部分messages，不是全部，还有两段貌似跟这个是一样的，超过帖子限制字数了。[ol]

Dec  3 23:20:54 MyVPS4401 kernel: php-cgi invoked oom-killer: gfp_mask=0x201d2, order=0, oomkilladj=0

Dec  3 23:20:54 MyVPS4401 kernel:  [] out_of_memory+0x72/0x1a3

Dec  3 23:20:54 MyVPS4401 kernel:  [] __alloc_pages+0x24e/0x2cf

Dec  3 23:20:54 MyVPS4401 kernel:  [] __do_page_cache_readahead+0xc8/0x18b

Dec  3 23:20:54 MyVPS4401 kernel:  [] filemap_nopage+0x157/0x34c

Dec  3 23:20:54 MyVPS4401 kernel:  [] __handle_mm_fault+0x329/0x1487

Dec  3 23:20:54 MyVPS4401 kernel:  [] sock_aio_read+0x53/0x61

Dec  3 23:20:54 MyVPS4401 kernel:  [] ep_poll_callback+0x56/0x77

Dec  3 23:20:54 MyVPS4401 kernel:  [] do_page_fault+0x6c0/0xc23

Dec  3 23:20:54 MyVPS4401 kernel:  [] do_gettimeofday+0x1da/0x1ef

Dec  3 23:20:54 MyVPS4401 kernel:  [] do_page_fault+0x0/0xc23

Dec  3 23:20:54 MyVPS4401 kernel:  [] error_code+0x2b/0x30

Dec  3 23:20:54 MyVPS4401 kernel:  =======================

Dec  3 23:20:54 MyVPS4401 kernel: Mem-info:

Dec  3 23:20:55 MyVPS4401 kernel: DMA per-cpu:

Dec  3 23:20:55 MyVPS4401 kernel: cpu 0 hot: high 186, batch 31 used:39

Dec  3 23:20:55 MyVPS4401 kernel: cpu 0 cold: high 62, batch 15 used:18

Dec  3 23:20:55 MyVPS4401 kernel: cpu 1 hot: high 186, batch 31 used:28

Dec  3 23:20:55 MyVPS4401 kernel: cpu 1 cold: high 62, batch 15 used:48

Dec  3 23:20:55 MyVPS4401 kernel: cpu 2 hot: high 186, batch 31 used:40

Dec  3 23:20:55 MyVPS4401 kernel: cpu 2 cold: high 62, batch 15 used:59

Dec  3 23:20:55 MyVPS4401 kernel: DMA32 per-cpu: empty

Dec  3 23:20:55 MyVPS4401 kernel: Normal per-cpu: empty

Dec  3 23:20:55 MyVPS4401 kernel: HighMem per-cpu: empty

Dec  3 23:20:55 MyVPS4401 kernel: Free pages:        2876kB (0kB HighMem)

Dec  3 23:20:55 MyVPS4401 kernel: Active:81382 inactive:40986 dirty:0 writeback:0 unstable:0 free:719 slab:2437 mapped-file:797 mapped-anon:121641 pagetables:1216

Dec  3 23:20:55 MyVPS4401 kernel: DMA free:2876kB min:2896kB low:3620kB high:4344kB active:325528kB inactive:163944kB present:524288kB pages_scanned:2207007 all_unreclaimable? yes

Dec  3 23:20:55 MyVPS4401 kernel: lowmem_reserve[]: 0 0 0 0

Dec  3 23:20:55 MyVPS4401 kernel: DMA32 free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no

Dec  3 23:20:55 MyVPS4401 kernel: lowmem_reserve[]: 0 0 0 0

Dec  3 23:20:55 MyVPS4401 kernel: Normal free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no

Dec  3 23:20:55 MyVPS4401 kernel: lowmem_reserve[]: 0 0 0 0

Dec  3 23:20:55 MyVPS4401 kernel: HighMem free:0kB min:128kB low:128kB high:128kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no

Dec  3 23:20:55 MyVPS4401 kernel: lowmem_reserve[]: 0 0 0 0

Dec  3 23:20:55 MyVPS4401 kernel: DMA: 53*4kB 7*8kB 3*16kB 8*32kB 12*64kB 2*128kB 1*256kB 0*512kB 1*1024kB 0*2048kB 0*4096kB = 2876kB

Dec  3 23:20:55 MyVPS4401 kernel: DMA32: empty

Dec  3 23:20:55 MyVPS4401 kernel: Normal: empty

Dec  3 23:20:55 MyVPS4401 kernel: HighMem: empty

Dec  3 23:20:55 MyVPS4401 kernel: 1246 pagecache pages

Dec  3 23:20:55 MyVPS4401 kernel: Swap cache: add 2026932, delete 2026684, find 272841/549930, race 6+131

Dec  3 23:20:55 MyVPS4401 kernel: Free swap  = 0kB

Dec  3 23:20:55 MyVPS4401 kernel: Total swap = 262136kB

Dec  3 23:20:55 MyVPS4401 kernel: Free swap:            0kB

Dec  3 23:20:55 MyVPS4401 kernel: 131072 pages of RAM

Dec  3 23:20:55 MyVPS4401 kernel: 0 pages of HIGHMEM

Dec  3 23:20:55 MyVPS4401 kernel: 2602 reserved pages

Dec  3 23:20:55 MyVPS4401 kernel: 10171 pages shared

Dec  3 23:20:55 MyVPS4401 kernel: 248 pages swap cached

Dec  3 23:20:55 MyVPS4401 kernel: 0 pages dirty

Dec  3 23:20:55 MyVPS4401 kernel: 0 pages writeback

Dec  3 23:20:55 MyVPS4401 kernel: 797 pages mapped

Dec  3 23:20:55 MyVPS4401 kernel: 2437 pages slab

Dec  3 23:20:55 MyVPS4401 kernel: 1216 pages pagetables

Dec  3 23:20:55 MyVPS4401 kernel: Out of memory: Killed process 26204, UID 500, (mysqld).

[/ol]复制代码

uoin

还以为是教学贴，失望了。楼下来。

paopao00

看来是没内存了，加点虚拟的试试

13407

kernel: Out of memory

winder

正在更新楼主的内存.

cpuer

连free swap space都是0KB了

winder

cpuer 发表于 2012-12-4 11:40



连free swap space都是0KB了
你最近很活跃....

a35253283

内存不够，

atrong

内存不够，