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Date: Wed, 28 Nov 2001 20:11:59 +0100 (MET)
From: Kamil Iskra <kamil@science.uva.nl>
To: Andrew Morton <akpm@zip.com.au>
cc: <linux-kernel@vger.kernel.org>
Subject: Re: Problems with APM suspend and ext3
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On Tue, 27 Nov 2001, Andrew Morton wrote:

> I don't understand what can be causing the behaviour which you
> report.  Presumably, some application is generating disk writes,
> and kjournald is thus performing disk IO every five seconds.

The only such "application" could be syslogd or apmd.  There is virtually
nothing more running in single user mode.

> If possible, could you please edit fs/jbd/journal.c and change
>
>       journal->j_commit_interval = (HZ * 5);
> to
>       journal->j_commit_interval = (HZ * 30);

Just tried it.  Unfortunately, it didn't improve anything.  Consistent
failure what doing "apm -s".  I tried some 15 times or so in single user
mode.

Should you, or anybody else, have further suggestions, I'll be happy to
try them out.

-- 
Kamil Iskra                 http://www.science.uva.nl/~kamil/
Section Computational Science, Faculty of Science, Universiteit van Amsterdam
kamil@science.uva.nl  tel. +31 20 525 75 35  fax. +31 20 525 74 90
Kruislaan 403  room F.202  1098 SJ Amsterdam  The Netherlands

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