From owner-freebsd-questions@FreeBSD.ORG Mon Dec 13 16:00:01 2004 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 24E0016A4CE for ; Mon, 13 Dec 2004 16:00:01 +0000 (GMT) Received: from sccimhc91.asp.att.net (sccimhc91.asp.att.net [63.240.76.165]) by mx1.FreeBSD.org (Postfix) with ESMTP id D104143D3F for ; Mon, 13 Dec 2004 16:00:00 +0000 (GMT) (envelope-from freebsd@nbritton.org) Received: from [192.168.1.10] (12-223-129-46.client.insightbb.com[12.223.129.46]) by sccimhc91.asp.att.net (sccimhc91) with ESMTP id <20041213155952i9100rgtcre>; Mon, 13 Dec 2004 16:00:00 +0000 Message-ID: <41BDBC77.6030309@nbritton.org> Date: Mon, 13 Dec 2004 09:59:51 -0600 From: Nikolas Britton User-Agent: Mozilla Thunderbird 0.9 (X11/20041203) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Sandy Rutherford References: <16829.40585.759971.425967@szamoca.krvarr.bc.ca> In-Reply-To: <16829.40585.759971.425967@szamoca.krvarr.bc.ca> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit cc: freebsd-questions@freebsd.org Subject: Re: Changing hw.snd.pcm0.buffersize in 4.10. X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 13 Dec 2004 16:00:01 -0000 In FreeBSD 5.3 you can change the buffersize by adding hint.pcm.0.buffersize="foo" to /boot/loader.conf, have you try'ed this with 4.x? Sandy Rutherford wrote: >Is it possible to change the sysctl variable hw.snd.pcm0.buffersize >(DMA buffer size for the soundcard) in FreeBSD 4.10? I know that in >5.x this is changed in devices.hints. I'm guessing that something in >the kernel config file will do the job, but haven't been able to >figure out what. > >I am trying to increase the buffersize to get rid of little skips in >the playback, which I believe are caused by underruns. > >Thanks, >Sandy > >