Message-ID: <3BF4E24D.2E7567A7@TeraPort.de>
Date: Fri, 16 Nov 2001 10:54:21 +0100
From: Martin Knoblauch <Martin.Knoblauch@TeraPort.de>
Organization: TeraPort GmbH
MIME-Version: 1.0
To: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
CC: akpm@zip.com.au
Subject: Re: Insanely high "Cached" value
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Sender: linux-kernel-owner@vger.kernel.org

> Re: Insanely high "Cached" value
> 
> From: Andrew Morton (akpm@zip.com.au)
> Date: Sat Nov 10 2001 - 00:17:01 EST
> 
> 
> Steven Walter wrote:
> >
> > My system has been running a little over twelve days now, and I just
> > noticed that the "Cached" value in both 'free' and /proc/meminfo is
> > insanely high. This wasn't the case the last time I checked, which was
> > probably a day ago.
> >
> > Just before checking it this time, I ran a "du -s *" in /usr, which
> > generated a lot of I/O, as it to be expected. Perhaps the large amount
> > of I/O has uncovered a bug of some sort?
> >
> > This is kernel 2.4.13 (hopefully it's not something that's already been
> > reported and fixed; I haven't seen it if is has) patched with ext3, kdb,
> > lm_sensors, and the pre-empt patch. Seems likely to be only a simple VM
> > problem, however, and an asthetic one at that.
> 
> It's an ext3 bug. Harmless, fixed in the (ext3-enriched) 2.4.15-pre2.
> 

 Hmm. Are you sure it is ext3 only? I see the same (coming and going, no
real harm) on 2.4.13-ac4+preempt without having EXT3 enabled. Also
happens with 2.4.13 plain.

# CONFIG_EXT3_FS is not set
CONFIG_EXT2_FS=y


Martin
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