> We have DELL 2650 server and I found recently /var/log/messages have
> following messages continue pop-up:
You had a runaway process that ate all of memory (mmm! tasty!) and wanted
more, and the dreaded OOM (out of memory killer) started in, and killed
the system.
What's running on it that might have done that? It's got a bug....
mark "seen that here"
>
> ===========================================
> Dec 3 15:47:06 HOST1 kernel: Free pages: 17816kB (1664kB HighMem)
> Dec 3 15:47:06 HOST1 kernel: Active:7463815 inactive:656000 dirty:0
> writeback:0 unstable:0 free:4454 slab:119979 mapped:730440
> pagetables:63277
> Dec 3 15:47:06 HOST1 kernel: DMA free:12448kB min:64kB low:128kB
> high:192kB active:0kB inactive:0kB present:16384kB pages_scanned:0
> all_unreclaimable? yes
> Dec 3 15:47:06 HOST1 kernel: protections[]: 0 0 0
> Dec 3 15:47:06 HOST1 kernel: Normal free:3704kB min:3728kB low:7456kB
> high:11184kB active:2688kB inactive:2284kB present:901120kB
> pages_scanned:6237 all_unreclaimable? yes
> Dec 3 15:47:06 HOST1 kernel: protections[]: 0 0 0
> Dec 3 15:47:06 HOST1 kernel: HighMem free:1664kB min:512kB low:1024kB
> high:1536kB active:29852572kB inactive:2621716kB present:33423360kB
> pages_scanned:0 all_unreclaimable? no
> Dec 3 15:47:06 HOST1 kernel: protections[]: 0 0 0
> Dec 3 15:47:06 HOST1 kernel: DMA: 2*4kB 5*8kB 3*16kB 2*32kB 4*64kB
> 2*128kB 2*256kB 0*512kB 1*1024kB 1*2048kB 2*4096kB = 12448kB
> Dec 3 15:47:06 HOST1 kernel: Normal: 0*4kB 3*8kB 54*16kB 6*32kB 1*64kB
> 0*128kB 0*256kB 1*512kB 0*1024kB 1*2048kB 0*4096kB = 3704kBDec 3 15:47:06
> HOST1 kernel: HighMem: 4*4kB 54*8kB 0*16kB 18*32kB 4*64kB 1*128kB 1*256kB
> 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1664kB
> Dec 3 15:47:06 HOST1 kernel: 7920770 pagecache pages
> Dec 3 15:47:06 HOST1 kernel: Swap cache: add 144565971, delete 144479462,
> find 64245277/81316857, race 15+5335
> Dec 3 15:47:06 HOST1 kernel: 0 bounce buffer pages
> Dec 3 15:47:06 HOST1 kernel: Free swap: 39981120kB
> Dec 3 15:47:06 HOST1 kernel: 8585216 pages of RAM
> Dec 3 15:47:06 HOST1 kernel: 8158130 pages of HIGHMEM
> Dec 3 15:47:06 HOST1 kernel: 266508 reserved pages
> Dec 3 15:47:06 HOST1 kernel: 11584926 pages shared
> Dec 3 15:47:06 HOST1 kernel: 87087 pages swap cached
> Dec 3 15:47:06 HOST1 kernel: Out of Memory: Killed process 27850
> (oracle).
>
> ===================================================
>
>
> This server have 32 GB RAM and 40GB swap space. I don't know why I
> continue got those messages?
>
>
> $ free
> total used free shared buffers cached
> Mem: 33274832 33200168 74664 0 7116 31325660
> -/+ buffers/cache: 1867392 31407440
> Swap: 40957676 945640 40012036
>
>
>
>
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