Subject: Re: Scheduler starvation (2.5.x, 2.6.0-test1)
From: Felipe Alfaro Solana <felipe_alfaro@linuxmail.org>
To: Apurva Mehta <apurva@gmx.net>
Cc: LKML <linux-kernel@vger.kernel.org>
In-Reply-To: <20030722172858.GB2880@home.woodlands>
References: <20030722013443.GA18184@netnation.com>
	 <20030722172858.GB2880@home.woodlands>
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Date: 22 Jul 2003 20:48:34 +0200
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On Tue, 2003-07-22 at 19:28, Apurva Mehta wrote:
> * Simon Kirby <sim@netnation.com> [2003-07-22 11:50]:
> > I keep seeing cases where browsing in mozilla / galeon will suck away all
> > CPU from X updating the mouse, xmms playing, etc., for about a second as
> > Mozilla renders a page (which should take 50 ms to render, but anyway..).
> 
> I do not have any problems with mouse response, but xmms sure does
> skip a whole lot more on my 2.6.0-test1 running on a PIII 500 MHz, 192
> MB RAM. 
> 
> I usually run Opera and the skipping occurs often while switching
> between tabs with the mouse (not when it is done with the keyboard).
> 
> Also, severe xmms skipping occurs while scrolling through PDF files
> (in Acrobat) while the first few seconds of a song are playing. The
> song virtually stops while I scroll. After the song plays for a bit,
> scrolling through a PDF makes no difference.
> 
> Sometimes, xmms pops up in between songs saying that it could not
> detect the audio device! This occurs mainly during heavy disk i/o or
> cpu usage.

Could you please test 2.6.0-test1-mm2 instead? It has additional
scheduler fixes which should improve your overall experience.

Thanks!

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