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Subject: Re: average user comments on 2.5.1-pre5
From: Robert Love <rml@tech9.net>
To: Zwane Mwaikambo <zwane@linux.realnet.co.sz>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>
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Date: 02 Dec 2001 15:41:35 -0500
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On Sun, 2001-12-02 at 07:06, Zwane Mwaikambo wrote:

> 	I've just tried running 2.5.1-pre5 on my desktop machine and
> noticed the following, when untarring medium sized files (kernel tarballs)
> even from disk to disk (different channels) or moving large files around i
> get mouse lag in X and after its done, and the flushing to disk begins the
> interactive performance of the box takes a dive for the duration of that
> disk activity. The last kernel i had before this was 2.4.13-ac7-preempt
> which didn't exhibit this. 2.5.1-pre1 has the same problem.

Maybe you ought to try the preempt-kernel patch on your current kernel,
since it may of been responsible for your interactivity improvements.

Although I don't make explicit 2.5 patches available yet, the
2.4.17-pre1 or 2.4.16 patches should apply.  Conversely, 2.4.17-pre2 has
some changes that may improve latency.  You want to try it, or, even
better, it with the preemptive kernel patch.

The preempt-kernel patches can be found at:
	ftp://ftp.kernel.org/pub/linux/kernel/people/rml/preempt-kernel

	Robert Love

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