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SubjectRe: LowFree/LowMem problem
> On Mon, 21 Jan 2008 06:32:41 +0100 Matthias Wolle <Matthias.Wolle@gmx.de> wrote:
> Hi,
>
> my company is running several servers with kernel 2.6.23.12. This are Dual
> Quad Core servers (CPU Intel) with 16GB RAM using a 32Bit kernel.
> After some days nicely running the oom killer killed our processes.
> Our research discovered that the free low memory was reduced to about 11MB. We
> found out that the decreasing of low memory is related to the count off
> executed and ended programs.
>
> I could reproduce the same bug on a maschine with 2GB RAM without PAE (option
> 4GB HIGHMEM). The following code reproduces the bug.
>
> #!/bin/sh
>
> while [ true ]; do
> cat /proc/meminfo| grep LowFree
> done
>
> Please run this script only on a test system. It reduces the low memory quite
> fast (within minutes).

That would be very strange.

> The latest available kernel 2.6.24-rc8 is also affected.
>

Can you please send the full dmesg output from one such oom-killing event?



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