From owner-freebsd-multimedia@FreeBSD.ORG  Sat Jul 14 19:09:38 2007
Return-Path: <owner-freebsd-multimedia@FreeBSD.ORG>
X-Original-To: freebsd-multimedia@freebsd.org
Delivered-To: freebsd-multimedia@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52])
	by hub.freebsd.org (Postfix) with ESMTP id 0153216A400
	for <freebsd-multimedia@freebsd.org>;
	Sat, 14 Jul 2007 19:09:38 +0000 (UTC)
	(envelope-from tijl@ulyssis.org)
Received: from mailrelay004.isp.belgacom.be (mailrelay004.isp.belgacom.be
	[195.238.6.170])
	by mx1.freebsd.org (Postfix) with ESMTP id 4CE1913C491
	for <freebsd-multimedia@freebsd.org>;
	Sat, 14 Jul 2007 19:09:36 +0000 (UTC)
	(envelope-from tijl@ulyssis.org)
X-IronPort-Anti-Spam-Filtered: true
X-IronPort-Anti-Spam-Result: Ah4FAGe8mEZR9NGL/2dsb2JhbACBSg
Received: from 139.209-244-81.adsl-dyn.isp.belgacom.be (HELO
	kalimero.kotnet.org) ([81.244.209.139])
	by relay.skynet.be with ESMTP; 14 Jul 2007 21:09:35 +0200
Received: from kalimero.kotnet.org (kalimero.kotnet.org [127.0.0.1])
	by kalimero.kotnet.org (8.14.1/8.14.1) with ESMTP id l6EJ9TFf002878;
	Sat, 14 Jul 2007 21:09:29 +0200 (CEST)
	(envelope-from tijl@ulyssis.org)
From: Tijl Coosemans <tijl@ulyssis.org>
To: Ulrich Spoerlein <uspoerlein@gmail.com>
Date: Sat, 14 Jul 2007 21:09:26 +0200
User-Agent: KMail/1.9.7
References: <20070702185109.GA1438@roadrunner.q.local>
	<200707141846.14595.tijl@ulyssis.org>
	<20070714184410.GF1542@roadrunner.q.local>
In-Reply-To: <20070714184410.GF1542@roadrunner.q.local>
MIME-Version: 1.0
Content-Type: text/plain;
  charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
Message-Id: <200707142109.28398.tijl@ulyssis.org>
Cc: freebsd-multimedia@freebsd.org
Subject: Re: syscons + mouse == stuttering playback
X-BeenThere: freebsd-multimedia@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Multimedia discussions <freebsd-multimedia.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-multimedia>, 
	<mailto:freebsd-multimedia-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-multimedia>
List-Post: <mailto:freebsd-multimedia@freebsd.org>
List-Help: <mailto:freebsd-multimedia-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-multimedia>, 
	<mailto:freebsd-multimedia-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 14 Jul 2007 19:09:38 -0000

On Saturday 14 July 2007 20:44:10 Ulrich Spoerlein wrote:
> On Sat, 14.07.2007 at 18:46:13 +0200, Tijl Coosemans wrote:
> > On Monday 02 July 2007 20:51:09 Ulrich Spoerlein wrote:
> > > on a recent CURRENT, without WITNESS or INVARIANTS. Both with
> > > SCHED_ULE and SCHED_4BSD I observed the following:
> > > 
> > > Make sure almost nothing is running (to rule out other influences).
> > > Run mpg123 on some MP3 file. Then start moving the syscons mouse
> > > cursor. I get a high frequency stuttering on playback, playback is
> > > also slowed down.
> > 
> > I just noticed it. I was playing music in Amarok, switched to a text
> > terminal and moving the mouse there causes stuttering. In X it
> > doesn't...
> 
> Are you using an USB mouse? I do, perhaps it is caused by the Giant
> lock? I can't test with a PS/2 mouse, but perhaps I could run a test
> with Hans' USB stack (giant free).

Yes, usb mouse, but this laptop touchpad (PS/2?) has the same effect.