Re: [Xen-users] Out of Memory error

[Peter Adam <lists@xxxxxxxxx>]

Hi,

I would guess that there was some process on your server consuming  
all available memory and swap space. Perhaps because of a memleak or  
extreme forking.
I had the same error messages on a domU a few days ago where apache2  
was forking like hell, over 100 childs had consumed 128MB Ram and  
512MB Swap space.
You should check the logfiles of your processes, perhaps you can find  
something.
Peter

Am 27.11.2006 um 21:31 schrieb Simon:

> We are currently using 3.0.1-0tha6 on debian sarge. Came in in the
> morning and the server was in swap hell, had to do a hard reset. I
> dont know where to start with this one.. any insights? syslog
> attached:
>
> Nov 27 00:47:41 localhost kernel: oom-killer: gfp_mask=0x1d2
> Nov 27 00:47:41 localhost kernel: DMA per-cpu:
> Nov 27 00:47:41 localhost kernel: cpu 0 hot: low 62, high 186,  
> batch 31
> Nov 27 00:47:41 localhost kernel: cpu 0 cold: low 0, high 62, batch 31
> Nov 27 00:47:41 localhost kernel: cpu 1 hot: low 62, high 186,  
> batch 31
> Nov 27 00:47:41 localhost kernel: cpu 1 cold: low 0, high 62, batch 31
> Nov 27 00:47:41 localhost kernel: Normal per-cpu: empty
> Nov 27 00:47:41 localhost kernel: HighMem per-cpu: empty
> Nov 27 00:47:41 localhost kernel:
> Nov 27 00:47:41 localhost kernel: Free pages:        2428kB (0kB  
> HighMem)
> Nov 27 00:47:41 localhost kernel: Active:16959 inactive:16948 dirty:0
> writeback:0 unstable:0 free:607 slab:17213 mapped:33358
> pagetables:6667
> Nov 27 00:47:41 localhost kernel: DMA free:2428kB min:2076kB
> low:2592kB high:3112kB active:67836kB inactive:67792kB
> present:270336kB pages_scanned:87645 all_unreclaimable? no
> Nov 27 00:47:41 localhost kernel: lowmem_reserve[]: 0 0 0
> Nov 27 00:47:41 localhost kernel: Normal free:0kB min:0kB low:0kB
> high:0kB active:0kB inactive:0kB present:0kB pages_scanned:0
> all_unreclaimable? no
> Nov 27 00:47:41 localhost kernel: lowmem_reserve[]: 0 0 0
> Nov 27 00:47:41 localhost kernel: HighMem free:0kB min:128kB low:160kB
> high:192kB active:0kB inactive:0kB present:0kB pages_scanned:0
> all_unreclaimable? no
> Nov 27 00:47:41 localhost kernel: lowmem_reserve[]: 0 0 0
> Nov 27 00:47:41 localhost kernel: DMA: 81*4kB 51*8kB 16*16kB 1*32kB
> 0*64kB 1*128kB 1*256kB 0*512kB 1*1024kB 0*2048kB 0*4096kB = 2428kB
> Nov 27 00:47:41 localhost kernel: Normal: empty
> Nov 27 00:47:41 localhost kernel: HighMem: empty
> Nov 27 00:47:41 localhost kernel: Swap cache: add 245907, delete
> 245907, find 8873/9008, race 0+0
> Nov 27 00:47:41 localhost kernel: Free swap  = 0kB
> Nov 27 00:47:41 localhost kernel: Total swap = 979956kB
> Nov 27 00:47:41 localhost kernel: Out of Memory: Killed process  
> 21607 (cron).
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