From owner-freebsd-multimedia@FreeBSD.ORG Thu Jul 26 17:35:10 2007 Return-Path: Delivered-To: freebsd-multimedia@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 9620F16A418 for ; Thu, 26 Jul 2007 17:35:10 +0000 (UTC) (envelope-from uspoerlein@gmail.com) Received: from ug-out-1314.google.com (ug-out-1314.google.com [66.249.92.171]) by mx1.freebsd.org (Postfix) with ESMTP id 213AA13C46C for ; Thu, 26 Jul 2007 17:35:09 +0000 (UTC) (envelope-from uspoerlein@gmail.com) Received: by ug-out-1314.google.com with SMTP id o4so634982uge for ; Thu, 26 Jul 2007 10:35:08 -0700 (PDT) DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:received:received:date:from:to:cc:subject:message-id:mail-followup-to:references:mime-version:content-type:content-disposition:in-reply-to:user-agent; b=dkmtslpfu55CWmAhSaPj7F1dVWl+Wy+/p9JBW6H5zHl8I9RE66tCGvnzxuY2Puxv7DybUVLgjaRkJxWZMydzhYA6XWmdVWXESutyNGx7swAm38PZhcsUH6ElyBWyzY5Bk7RB9D3ihIw22uH2Plcp2ToTQYADh5+ABhD4i8WK7NM= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:date:from:to:cc:subject:message-id:mail-followup-to:references:mime-version:content-type:content-disposition:in-reply-to:user-agent; b=st0C0KowbUYHYWuu4VOvVqqj6hwSOvkFgYhYZp4c5yHojwl/8oG3fYD981vgBFh/Ckyvl/iEVxuUS6Y4wTRyT/jFXtLymHPv+N02yZkthrcIDXOXDkUyNAZ6ZluG58zcRdaO7v0s/aF6ZLlBy+bfb4N63YaH62RzaIc7mDXn174= Received: by 10.67.119.13 with SMTP id w13mr2291084ugm.1185471308872; Thu, 26 Jul 2007 10:35:08 -0700 (PDT) Received: from roadrunner.q.local ( [85.180.183.129]) by mx.google.com with ESMTPS id q1sm1944233uge.2007.07.26.10.35.08 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 26 Jul 2007 10:35:08 -0700 (PDT) Received: from roadrunner.q.local (localhost [127.0.0.1]) by roadrunner.q.local (8.14.1/8.14.1) with ESMTP id l6QHVUT8004129; Thu, 26 Jul 2007 19:31:30 +0200 (CEST) (envelope-from uspoerlein@gmail.com) Received: (from q@localhost) by roadrunner.q.local (8.14.1/8.14.1/Submit) id l6QHVUhs004128; Thu, 26 Jul 2007 19:31:30 +0200 (CEST) (envelope-from uspoerlein@gmail.com) Date: Thu, 26 Jul 2007 19:31:30 +0200 From: Ulrich Spoerlein To: Tijl Coosemans Message-ID: <20070726173130.GD1857@roadrunner.q.local> Mail-Followup-To: Tijl Coosemans , freebsd-multimedia@freebsd.org References: <20070702185109.GA1438@roadrunner.q.local> <200707141846.14595.tijl@ulyssis.org> <20070714184410.GF1542@roadrunner.q.local> <200707142109.28398.tijl@ulyssis.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200707142109.28398.tijl@ulyssis.org> User-Agent: Mutt/1.5.15 (2007-04-06) 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 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 26 Jul 2007 17:35:10 -0000 On Sat, 14.07.2007 at 21:09:26 +0200, Tijl Coosemans wrote: > 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. Another interesting datapoint: playback over HPS' uaudio(4) is *not* affected. Perhaps the problem is specific to Intel ICH audio? FreeBSD Audio Driver (newpcm: 32bit 2007061600/i386) Installed devices: pcm0: at io 0xf4fff800, 0xf4fff400 irq 9 bufsz 16384 kld snd_ich [MPSAFE] (1p:2v/1r:1v channels duplex default) pcm1: at ? kld snd_uaudio [GIANT] (1p:1v/1r:1v channels duplex) Cheers, Ulrich Spoerlein -- "It is better to remain silent and be thought a fool, than to speak, and remove all doubt."