谁帮我看下我得Red Hat 4报这样的日志是什么问题

lanse1984

Jan  1 14:57:50 localhost kernel: HighMem per-cpu:
Jan  1 14:57:50 localhost kernel: cpu 0 hot: high 186, batch 31 used:29
Jan  1 14:57:50 localhost kernel: cpu 0 cold: high 62, batch 15 used:19
Jan  1 14:57:50 localhost kernel: cpu 1 hot: high 186, batch 31 used:48
Jan  1 14:57:50 localhost kernel: cpu 1 cold: high 62, batch 15 used:32
Jan  1 14:57:50 localhost kernel: cpu 2 hot: high 186, batch 31 used:31
Jan  1 14:57:50 localhost kernel: cpu 2 cold: high 62, batch 15 used:31
Jan  1 14:57:50 localhost kernel: cpu 3 hot: high 186, batch 31 used:35
Jan  1 14:57:50 localhost kernel: cpu 3 cold: high 62, batch 15 used:31
Jan  1 14:57:50 localhost kernel: cpu 4 hot: high 186, batch 31 used:22
Jan  1 14:57:50 localhost kernel: cpu 4 cold: high 62, batch 15 used:13
Jan  1 14:57:50 localhost kernel: cpu 5 hot: high 186, batch 31 used:30
Jan  1 14:57:50 localhost kernel: cpu 5 cold: high 62, batch 15 used:55
Jan  1 14:57:50 localhost kernel: cpu 6 hot: high 186, batch 31 used:30
Jan  1 14:57:50 localhost kernel: cpu 6 cold: high 62, batch 15 used:47
Jan  1 14:57:50 localhost kernel: cpu 7 hot: high 186, batch 31 used:55
Jan  1 14:57:50 localhost kernel: cpu 7 cold: high 62, batch 15 used:55
Jan  1 14:57:50 localhost kernel: Free pages:      118788kB (460kB HighMem)
Jan  1 14:57:50 localhost kernel: Active:454210 inactive:317318 dirty:0 writeback:0 unstable:0 free:29697 slab:9212 mapped:93 pageta
bles:9049
Jan  1 14:57:50 localhost kernel: DMA free:12352kB min:68kB low:84kB high:100kB active:0kB inactive:0kB present:16384kB pages_scanne
d:0 all_unreclaimable? yes
Jan  1 14:57:50 localhost kernel: lowmem_reserve[]: 0 0 880 4080
Jan  1 14:57:50 localhost kernel: DMA32 free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_un
reclaimable? no
Jan  1 14:57:50 localhost kernel: lowmem_reserve[]: 0 0 880 4080
Jan  1 14:57:50 localhost kernel: Normal free:105976kB min:3756kB low:4692kB high:5632kB active:448788kB inactive:262168kB present:9
01120kB pages_scanned:27174918 all_unreclaimable? yes
Jan  1 14:57:50 localhost kernel: lowmem_reserve[]: 0 0 0 25600
Jan  1 14:57:50 localhost kernel: HighMem free:460kB min:512kB low:3928kB high:7344kB active:1368140kB inactive:1007104kB present:32
76800kB pages_scanned:22483061 all_unreclaimable? yes
Jan  1 14:57:50 localhost kernel: lowmem_reserve[]: 0 0 0 0
Jan  1 14:57:50 localhost kernel: DMA: 2*4kB 5*8kB 3*16kB 3*32kB 4*64kB 3*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 2*4096kB = 12352kB
Jan  1 14:57:50 localhost kernel: DMA32: empty
Jan  1 14:57:50 localhost kernel: Normal: 80*4kB 1175*8kB 662*16kB 19*32kB 5*64kB 12*128kB 1*256kB 0*512kB 1*1024kB 0*2048kB 20*4096
kB = 105976kB
Jan  1 14:57:50 localhost kernel: HighMem: 15*4kB 10*8kB 12*16kB 2*32kB 1*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB =
460kB
Jan  1 14:57:50 localhost kernel: Swap cache: add 234224169, delete 234224204, find 22262102/57220070, race 4830+12388
Jan  1 14:57:50 localhost kernel: Free swap  = 0kB
Jan  1 14:57:50 localhost kernel: Total swap = 8385888kB
Jan  1 14:57:50 localhost kernel: Free swap:            0kB
Jan  1 14:57:50 localhost kernel: 1048576 pages of RAM
Jan  1 14:57:50 localhost kernel: 819200 pages of HIGHMEM
Jan  1 14:57:50 localhost kernel: 207303 reserved pages
Jan  1 14:57:50 localhost kernel: 25848 pages shared
Jan  1 14:57:50 localhost kernel: 0 pages swap cached
Jan  1 14:57:50 localhost kernel: 0 pages dirty
Jan  1 14:57:51 localhost kernel: 0 pages writeback
Jan  1 14:57:51 localhost kernel: 93 pages mapped
Jan  1 14:57:51 localhost kernel: 9212 pages slab
Jan  1 14:57:51 localhost kernel: 9049 pages pagetables
Jan  1 14:57:51 localhost kernel: printk: 10554 messages suppressed.
Jan  1 14:57:51 localhost kernel: GetCirPerf.pl invoked oom-killer: gfp_mask=0x200d2, order=0, oomkilladj=0
Jan  1 14:57:51 localhost kernel:  [<c0452c4e>] out_of_memory+0x3b/0x179
Jan  1 14:57:51 localhost kernel:  [<c0454081>] __alloc_pages+0x1fe/0x27e
Jan  1 14:57:51 localhost kernel:  [<c0460b69>] read_swap_cache_async+0x2f/0xac
Jan  1 14:57:51 localhost kernel:  [<c0459783>] swapin_readahead+0x3a/0x58
Jan  1 14:57:51 localhost kernel:  [<c045ad28>] __handle_mm_fault+0x5bc/0x87b
Jan  1 14:57:51 localhost kernel:  [<c041d20d>] __wake_up+0x2a/0x3d
Jan  1 14:57:51 localhost kernel:  [<c05fd48f>] do_page_fault+0x20a/0x4b8
Jan  1 14:57:51 localhost kernel:  [<c05fd285>] do_page_fault+0x0/0x4b8
Jan  1 14:57:51 localhost kernel:  [<c0404a71>] error_code+0x39/0x40

不停的报着个日志。
表现是不能远程登录可以PING通从新重启后就可以远程登陆了

chenyx

Free swap:            0kB

内存不足,swap也耗尽了?

liyingchunvip

通过下面这些日志可以看出来。
Jan  1 14:57:50 localhost kernel: 0 pages swap cachedJan  1 14:57:50 localhost kernel: 0 pages dirty
Jan  1 14:57:51 localhost kernel: 0 pages writeback
Jan  1 14:57:51 localhost kernel: 93 pages mapped
Jan  1 14:57:51 localhost kernel: 9212 pages slab
Jan  1 14:57:51 localhost kernel: 9049 pages pagetables

Jan  1 14:57:51 localhost kernel:  [<c0452c4e>] out_of_memory+0x3b/0x179

bakgho

最好重启后观察一下什么原因导致的内存耗尽，