[CentOS] out of memory

Wed Jul 29 22:30:05 UTC 2009
Jerry Geis <geisj at pagestation.com>

I am getting this message quite often lately.

Centos 5.3, AMD dual core 5050e system x64

1 GIG ram, 4 GIG swap

I dont have that much running that the kernel should be cutting out my processes.

Any thoughts?

Jerry

------------


emTotal:       766264 kB
MemFree:        583984 kB
Buffers:          9572 kB
Cached:          31004 kB
SwapCached:      36280 kB
Active:          20240 kB
Inactive:        59780 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:       766264 kB
LowFree:        583984 kB
SwapTotal:     4096564 kB
SwapFree:      3932136 kB
Dirty:              12 kB
Writeback:           0 kB
AnonPages:       13184 kB
Mapped:          16340 kB
Slab:            22428 kB
PageTables:      13980 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   4479696 kB
Committed_AS:   442124 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    280856 kB
VmallocChunk: 34359457495 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB


096kB = 3424kB
Node 0 Normal: empty
Node 0 HighMem: empty
46 pagecache pages
Swap cache: add 8934611, delete 8934611, find 7869746/7929974, race 11+11
Free swap  = 0kB
Total swap = 4096564kB
Free swap:            0kB
196064 pages of RAM
13511 reserved pages
5948 pages shared
0 pages swap cached
kthread invoked oom-killer: gfp_mask=0xd0, order=1, oomkilladj=0

Call Trace:
 [<ffffffff800c3a6a>] out_of_memory+0x8e/0x2f5
 [<ffffffff8000f2eb>] __alloc_pages+0x245/0x2ce
 [<ffffffff8002303f>] alloc_page_interleave+0x3d/0x74
 [<ffffffff8003c061>] __get_free_pages+0xe/0x71
 [<ffffffff8001eb82>] copy_process+0xc6/0x15b8
 [<ffffffff8009b8bc>] alloc_pid+0x1ee/0x28a
 [<ffffffff80030cdb>] do_fork+0x69/0x1c1
 [<ffffffff8009d98c>] keventd_create_kthread+0x0/0xc4
 [<ffffffff8005df3d>] kernel_thread+0x81/0xeb
 [<ffffffff8009d98c>] keventd_create_kthread+0x0/0xc4
 [<ffffffff80032282>] kthread+0x0/0x132
 [<ffffffff8005dfa7>] child_rip+0x0/0x11
 [<ffffffff8009d9a9>] keventd_create_kthread+0x1d/0xc4
 [<ffffffff8004d159>] run_workqueue+0x94/0xe4
 [<ffffffff800499da>] worker_thread+0x0/0x122
 [<ffffffff80049aca>] worker_thread+0xf0/0x122
 [<ffffffff8008a4b3>] default_wake_function+0x0/0xe
 [<ffffffff80032380>] kthread+0xfe/0x132
 [<ffffffff8005dfb1>] child_rip+0xa/0x11
 [<ffffffff80032282>] kthread+0x0/0x132
 [<ffffffff8005dfa7>] child_rip+0x0/0x11

Mem-info:
Node 0 DMA per-cpu:
cpu 0 hot: high 0, batch 1 used:0
cpu 0 cold: high 0, batch 1 used:0
cpu 1 hot: high 0, batch 1 used:0
cpu 1 cold: high 0, batch 1 used:0
Node 0 DMA32 per-cpu:
cpu 0 hot: high 186, batch 31 used:146
cpu 0 cold: high 62, batch 15 used:47
cpu 1 hot: high 186, batch 31 used:18
cpu 1 cold: high 62, batch 15 used:55
Node 0 Normal per-cpu: empty
Node 0 HighMem per-cpu: empty
Free pages:        5652kB (0kB HighMem)
Active:78394 inactive:78664 dirty:0 writeback:0 unstable:0 free:1413 slab:5343 mapped-file:6627 mapped-anon:157109 pagetables:5859
Node 0 DMA free:2160kB min:48kB low:60kB high:72kB active:0kB inactive:0kB present:10724kB pages_scanned:0 all_unreclaimable? yes
lowmem_reserve[]: 0 739 739 739
Node 0 DMA32 free:3492kB min:3452kB low:4312kB high:5176kB active:313576kB inactive:314656kB present:757376kB pages_scanned:1226904 all_unreclaimable? yes
lowmem_reserve[]: 0 0 0 0
Node 0 Normal free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 0 0 0
Node 0 HighMem free:0kB min:128kB low:128kB high:128kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 0 0 0
Node 0 DMA: 4*4kB 4*8kB 2*16kB 5*32kB 4*64kB 1*128kB 2*256kB 0*512kB 1*1024kB 0*2048kB 0*4096kB = 2160kB
Node 0 DMA32: 19*4kB 11*8kB 0*16kB 0*32kB 8*64kB 2*128kB 0*256kB 1*512kB 0*1024kB 1*2048kB 0*4096kB = 3492kB
Node 0 Normal: empty
Node 0 HighMem: empty
45 pagecache pages
Swap cache: add 8934620, delete 8934620, find 7869746/7929974, race 11+11
Free swap  = 0kB
Total swap = 4096564kB
Free swap:            0kB
196064 pages of RAM
13511 reserved pages
4950 pages shared
0 pages swap cached