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List: linux-kernel
Subject: Re: 2.6.8.1+patches: Still a memory leak with cdrecord
From: Karl Vogel <karl.vogel () seagha ! com>
Date: 2004-08-27 14:09:57
Message-ID: Xns9552A4ACE4078gmovkeb () 80 ! 91 ! 224 ! 252
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Frank Steiner <fsteiner-mail@bio.ifi.lmu.de> wrote in
news:412F27C1.6030100@bio.ifi.lmu.de:
> I'm not able to really track the problem down, because it is not
> permanent. PCs that were leaking yesterday, went fine this morning
> for the first 2-3 CDs, then started leaking again. Another PC
> that was leaking first, is now burning CDs without problems. All
> that with DMA always off for all the burners. I've also one
> PC that is always burning CDs without any leak (and they
> are all running the same kernel and have the same distribution/
> packet selection installed...).
>
> I've no idea what's causing that flip-flop between leaking/non-leaking
> behaviour, but some bug is still there. What can I do to provide
> useful debugging information?
>
> Following is the output of the oom killer.
I'm not sure, but this sounds a bit similar to a problem I am seeing. Are
you by any chance using the CFQ scheduler?! (elevator=cfq) If so, give
elevator=as or elevator=deadline a go.
The problem I'm seeing is that processes that allocate large amounts of
memory, are OOM killed or cause swap storms.
-- http://thread.gmane.org/gmane.linux.kernel/228156
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