kernel error question: application bug (perl)

[Kip Thomas]

it seems you're out of swap and the kernel start killing jobs
indiscriminately.

add swap or better yet memory?

On 11/16/06, olga at urbantimes.net <olga at urbantimes.net> wrote:
>
> Hi,
>
> Our server has been at times very slow lately and unresponsive and needed
> to be restarted several times. I found the following error in the logs
> about perl:
>
> Nov 15 21:02:49 kernel: Mem-info:
> Nov 15 21:02:49 kernel: Zone:DMA freepages:  1055 min:  1056 low:  1088
> high:  1120
> Nov 15 21:02:49 kernel: Zone:Normal freepages:   765 min:   766 low:  4031
> high:  5791
> Nov 15 21:02:49 kernel: Zone:HighMem freepages:   264 min:   255 low:
> 510 high:   765
> Nov 15 21:02:49 kernel: Free pages:        2084 (   264 HighMem)
> Nov 15 21:02:49 kernel: ( Active: 247285/3347, inactive_laundry: 0,
> inactive_clean: 0, free: 2084 )
> Nov 15 21:02:49 kernel:   aa:2127 ac:20 id:0 il:0 ic:0 fr:1055
> Nov 15 21:02:49 kernel:   aa:212147 ac:2140 id:3347 il:0 ic:0 fr:765
> Nov 15 21:02:49 kernel:   aa:30593 ac:258 id:0 il:0 ic:0 fr:264
> Nov 15 21:02:49 kernel: 1*4kB 1*8kB 1*16kB 1*32kB 1*64kB 0*128kB 0*256kB
> 0*512kB 0*1024kB 0*2048kB 1*4096kB = 4220kB)
> Nov 15 21:02:49 kernel: 3*4kB 1*8kB 2*16kB 0*32kB 1*64kB 1*128kB 1*256kB
> 1*512kB 0*1024kB 1*2048kB 0*4096kB = 3060kB)
> Nov 15 21:02:49 kernel: 0*4kB 6*8kB 1*16kB 1*32kB 1*64kB 3*128kB 0*256kB
> 1*512kB 0*1024kB 0*2048kB 0*4096kB = 1056kB)
> Nov 15 21:02:49 kernel: Swap cache: add 594668, delete 591932, find
> 209410/234040, race 0+108
> Nov 15 21:02:52 kernel: 1492 pages of slabcache
> Nov 15 21:02:55 kernel: 228 pages of kernel stacks
> Nov 15 21:02:57 kernel: 0 lowmem pagetables, 1117 highmem pagetables
> Nov 15 21:02:58 kernel: Free swap:            0kB
> Nov 15 21:02:59 kernel: 262138 pages of RAM
> Nov 15 21:02:59 kernel: 32762 pages of HIGHMEM
> Nov 15 21:03:00 kernel: 4485 reserved pages
> Nov 15 21:03:00 kernel: 7236 pages shared
> Nov 15 21:03:01 kernel: 2736 pages swap cached
> Nov 15 21:03:01 kernel: Out of Memory: Killed process 9732 (perl).
> Nov 15 21:06:08 kernel: application bug: perl(1292) has SIGCHLD set to
> SIG_IGN but calls wait().
> Nov 15 21:06:08 kernel: (see the NOTES section of 'man 2 wait').
> Workaround activated.
>
> What does this indicate? Can someone help me please.
>
> Thank you.
>
> Olga
>
>
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