Re: 1gb RAM + 1gb SWAP + make -j bzImage = OOM

Stephan von Krawczynski (skraw@ithnet.com)
Mon, 7 Jan 2002 15:24:22 +0100


On Sun, 6 Jan 2002 22:22:16 -0800
"Phil Oester" <kernel@theoesters.com> wrote:

> I've rerun this test a number of times, and cannot reliably reproduce
> the OOM - though it still does OOM occasionally. It never OOM's right
> after a bootup - usually the greatest chance of OOM is after 2 or 3
> consecutive runs without a reboot. Once it even froze the box and
> required a powercycle.
>
> I'm surprised you cannot OOM with 1gb RAM/256MB swap, as sometimes I'm
> over 900MB in swap - did you try consecutive runs, or just once and then
> reboot between each run?

I tried just about everything I could think of and it never went in OOM. Even
the first test I did were with several days uptime - meaning far away from
"cleaning" reboot. I hate reboot :-)

> [...]
> Haven't yet tried Martin's patch - though since I can't reliably produce
> the OOM, testing it wouldn't help much.

Well, take the other side: if you do not manage to OOM afterwards, even at the
tenth consecutive try, there is probably something about the patch ...

Regards,
Stephan

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