From: Andrew Morton <akpm@osdl.org>
To: Javier Marcet <javier@marcet.info>
Cc: linux-kernel@vger.kernel.org, kernel@kolivas.org
Subject: Re: Mem issues in 2.6.9 (ever since 2.6.9-rc3) and possible cause
Date: Sat, 23 Oct 2004 12:33:23 -0700 [thread overview]
Message-ID: <20041023123323.04b59353.akpm@osdl.org> (raw)
In-Reply-To: <20041023125948.GC9488@marcet.info>
Javier Marcet <javier@marcet.info> wrote:
>
> I've been following quite closely the development of 2.6.9, testing
> every -rc release and a lot of -bk's.
>
> Upon changing from 2.6.9-rc2 to 2.6.9-rc3 I began experiencing random
> oom kills whenever a high memory i/o load took place.
Do you have swap online?
What sort of machine is it, and how much memory has it?
> This happened with plenty of free memory, and with whatever values I
> used for vm.overcommit_ratio and vm.overcommit_memory
> Doubling the physical RAM didn't change the situation either.
>
> Having traced the problem to 2.6.9-rc3, I took a look at the differences
> in memory handling between 2.6.9-rc2 and 2.6.9-rc3 and with the attached
> patch I have no more oom kills. Not a single one.
>
> I'm not saying everything within the patch is needed, not even that it's
> the right thing to change. Nonetheless, 2.6.9 vanilla was unusable,
> while this avoids those memory leaks.
That patch only affects NUMA machines?
next prev parent reply other threads:[~2004-10-23 19:35 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-23 12:59 Mem issues in 2.6.9 (ever since 2.6.9-rc3) and possible cause Javier Marcet
2004-10-23 19:33 ` Andrew Morton [this message]
2004-10-23 23:03 ` Con Kolivas
2004-10-25 21:51 ` Rik van Riel
2004-10-25 22:13 ` Andrew Morton
2004-10-26 8:01 ` Nick Piggin
2004-10-29 22:39 ` Thomas Gleixner
[not found] <Pine.LNX.4.44.0410251823230.21539-100000@chimarrao.boston.redhat.com>
2004-10-25 22:33 ` Rik van Riel
2004-10-28 12:06 ` Marcelo Tosatti
2004-10-28 15:27 ` Chris Ross
2004-10-28 15:01 ` Marcelo Tosatti
2004-10-29 13:36 ` Chris Ross
2004-10-29 14:46 ` Chris Ross
2004-10-30 8:25 ` Hiroyuki KAMEZAWA
2004-10-30 8:45 ` Chris Ross
2004-10-30 8:58 ` Hiroyuki KAMEZAWA
2004-10-30 9:30 ` Chris Ross
2004-10-30 9:53 ` Hiroyuki KAMEZAWA
2004-10-30 10:42 ` Thomas Gleixner
2004-10-31 12:33 ` Thomas Gleixner
2004-10-30 15:38 ` Chris Ross
2004-10-29 15:09 ` Thomas Gleixner
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