From owner-freebsd-current@FreeBSD.ORG Tue Mar 23 00:27:08 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id E1FFD16A4CE for ; Tue, 23 Mar 2004 00:27:08 -0800 (PST) Received: from spider.deepcore.dk (cpe.atm2-0-53484.0x50a6c9a6.abnxx9.customer.tele.dk [80.166.201.166]) by mx1.FreeBSD.org (Postfix) with ESMTP id 28D2943D45 for ; Tue, 23 Mar 2004 00:27:08 -0800 (PST) (envelope-from sos@DeepCore.dk) Received: from DeepCore.dk (sos.deepcore.dk [194.192.25.130]) by spider.deepcore.dk (8.12.11/8.12.10) with ESMTP id i2N8QWC8093195; Tue, 23 Mar 2004 09:26:38 +0100 (CET) (envelope-from sos@DeepCore.dk) Message-ID: <405FF4B9.30905@DeepCore.dk> Date: Tue, 23 Mar 2004 09:26:33 +0100 From: =?ISO-8859-1?Q?S=F8ren_Schmidt?= User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.6b) Gecko/20040126 Thunderbird/0.4 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Eirik Oeverby References: <20040309070524.40ad96f5.ryan@slipgate.org> <20040312232251.48c0c57d.ryan@slipgate.org> <20040317170020.7d50d0f4.ryan@slipgate.org> <405FED9B.3050106@anduin.net> In-Reply-To: <405FED9B.3050106@anduin.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-mail-scanned: by DeepCore Virus & Spam killer v1.4 cc: freebsd-current@freebsd.org Subject: Re: sound issues in -CURRENT X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 23 Mar 2004 08:27:09 -0000 Eirik Oeverby wrote: > Hi, > > The problem persists, has always persisted, and any message I've posted > indicating anything else is to be ignored ;) > > Heavy disk I/O seems to be a trigger for the problem. I always hear the > screwups, but i.e. when building mozilla or openoffice (during the > extract phase with heavy I/O), sound almost slows down to a complete > stop, stutters and hicks and cracks all the time - to a point where the > music is almost impossible to even identify anymore. > > I've tried forcing my soundcard (C-Media and SB Live!) to use a 'free' > IRQ, i.e. no IRQ sharing - but this doesn't help. > One good way to reproduce atleast the audible result of the problem is > to load a kernel module (even something like samba support) while sound > is playing. Try and thou shall hear. > > Suffice to say, if FreeBSD 5.x goes -STABLE with this issue still > present it will be a major 'turn off' for many, notwithstanding the > argument that FreeBSD is not for desktop use anyway :P I think you are suffering from the high interrupt latency in -current, this combined with a soundcard with a small buffer would easily lead to your problems. A slow disk or PIO mode could also be troublesome in some cases. You do have witness etc turned off right ? -- -Søren