linux-kernel - Re: unresponsiveness on linux desktop during file copy

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Message-ID: <2c0942db0905151102y4f144437xa02632effccda72c@mail.gmail.com>
Date:	Fri, 15 May 2009 11:02:37 -0700
From:	Ray Lee <ray-lk@...rabbit.org>
To:	Satish Eerpini <eerpini@...il.com>, Rik van Riel <riel@...hat.com>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: unresponsiveness on linux desktop during file copy

On Fri, May 15, 2009 at 10:07 AM, Satish Eerpini <eerpini@...il.com> wrote:
> Hello everyone,
>
> I am trying to figure out why the Linux desktop becomes overly
> unresponsive whenever there is a file copy going on, this happens to a
> large extent with GUI based file copying, and some lesser, but with
> command line copying too.
> does it have anything to do with the kernel ??,
> if it does help, then I am running Fedora 10 on a Hp nx 7400, Centrino
> Duo processor.

Which kernel version? If it's something recent, your programs may be
getting swapped out due to a flaw in the latest kernels, where it
accidentally prefers caching file data over mapped pages. If that's
the case, Rik (cc:d) is working on patches to address the issue, and
may appreciate another tester.
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