From owner-freebsd-multimedia@FreeBSD.ORG Wed Jan 4 02:00:24 2006 Return-Path: X-Original-To: freebsd-multimedia@FreeBSD.org Delivered-To: freebsd-multimedia@FreeBSD.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A3A5F16A41F; Wed, 4 Jan 2006 02:00:24 +0000 (GMT) (envelope-from skywizard@MyBSD.org.my) Received: from tomoyo.MyBSD.org.my (tomoyo.mybsd.org.my [202.157.186.227]) by mx1.FreeBSD.org (Postfix) with ESMTP id F2CAA43D49; Wed, 4 Jan 2006 02:00:19 +0000 (GMT) (envelope-from skywizard@MyBSD.org.my) Received: from localhost (localhost [127.0.0.1]) by tomoyo.MyBSD.org.my (Postfix) with ESMTP id 33ED96CC33; Wed, 4 Jan 2006 10:06:44 +0800 (MYT) Received: from tomoyo.MyBSD.org.my ([127.0.0.1]) by localhost (TOMOYO.MYBSD.ORG.MY [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 46211-06; Wed, 4 Jan 2006 10:06:42 +0800 (MYT) Received: from misaki (misaki.MyBSD.org.my [IPv6:2001:328:2002:aa2:dead:babe:feed:beef]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by tomoyo.MyBSD.org.my (Postfix) with ESMTP id 08CFE6CC23; Wed, 4 Jan 2006 10:06:39 +0800 (MYT) Date: Wed, 4 Jan 2006 10:00:02 +0800 From: Ariff Abdullah To: Simon Barner Message-Id: <20060104100002.1f89deee.skywizard@MyBSD.org.my> In-Reply-To: <20060104012830.GA839@zi025.glh.mhn.de> References: <20060103213654.GA1039@zi025.glh.mhn.de> <20060104055721.4182120e.skywizard@MyBSD.org.my> <20060103225947.GA2815@zi025.glh.mhn.de> <20060104073903.1c21146e.skywizard@MyBSD.org.my> <20060103235205.GA1099@zi025.glh.mhn.de> <20060104080453.71592e1f.skywizard@MyBSD.org.my> <20060104012830.GA839@zi025.glh.mhn.de> Organization: MyBSD X-Mailer: /usr/local/lib/ruby/1.8/net/smtp.rb Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Virus-Scanned: by Amavisd AntiVirus & AntiSpam Scanner running on FreeBSD mailserver at TOMOYO.MYBSD.ORG.MY Cc: freebsd-multimedia@FreeBSD.org Subject: Re: snd_solo broken after big MFC to RELENG_6 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: Wed, 04 Jan 2006 02:00:24 -0000 OT: reply to mailling list instead, since my spam protection is .. EVIL On Wed, 4 Jan 2006 02:28:30 +0100 Simon Barner wrote: > > Great, this did the trick. However, vchans still don't work. When > I set hw.snd.maxautovchans to some value > 0, I get the following > error when loading the module (or during the boot with the value set > in /boot/loader.conf): > > pcm0: vchan_create(pcm0:play:0) == 45 Uh uh.. another good catch.. ninja tricks awaken. > > I fear that means that the card simply doesn't support it... but I > can live with that. > Vchans should work on *any* supported soundcards since it is soft/kernel implementation. I simply cannot leave you behind in the dark.. or should I :) > The reason why I updated to RELENG_6 was, that I wanted to get rid > of the clicks that disturbed audio output under I/O load. Even > selecting an mbox with a few thousand messages in mutt is enough. > OTOH I can extract the firefox tarball twice with two pararell > processes, and I get much less clicking... strange. Perhaps the CPU > is to slow to keep up with decompressing, so the I/O load is to > low... > > I increased hw.snd.pcm0.buffersize to 32768 with an entry in > /boot/device.hints, but I don't think it improved the situation a > lot. Setting it to 65536 gave me warings on the console, so I better > turned it back: > > kernel: DMA count reg bogus: cff8 & cff8 > > Are there any more knobs to tweak, or do I have to life with a > suboptimal sound experience on old and cr*ppy hardware (see attached > dmesg). > > Increasing buffersize doesn't help much in this case, since this driver still under the influenced of Evil Dark Lord GIANT(tm). Perhaps we should try to liberate it first. I'll be back. -- Ariff Abdullah MyBSD http://www.MyBSD.org.my (IPv6/IPv4) http://staff.MyBSD.org.my (IPv6/IPv4) http://tomoyo.MyBSD.org.my (IPv6/IPv4)