From owner-freebsd-questions@FreeBSD.ORG Sun Jun 1 21:08:52 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1FD85106566B for ; Sun, 1 Jun 2008 21:08:52 +0000 (UTC) (envelope-from wa4geg@netscape.net) Received: from imo-m19.mx.aol.com (imo-m19.mx.aol.com [64.12.137.11]) by mx1.freebsd.org (Postfix) with ESMTP id CA8988FC16 for ; Sun, 1 Jun 2008 21:08:51 +0000 (UTC) (envelope-from wa4geg@netscape.net) Received: from wa4geg@netscape.net by imo-m19.mx.aol.com (mail_out_v38_r9.4.) id n.d20.2d518cae (57881) for ; Sun, 1 Jun 2008 17:08:50 -0400 (EDT) Received: from webmail-stg-d07 (webmail-stg-d07.sim.aol.com [205.188.162.28]) by air-ia04.mail.aol.com (v121.5) with ESMTP id MAILINIA43-e21948430fe11f3; Sun, 01 Jun 2008 17:08:49 -0400 To: freebsd-questions@freebsd.org Content-Transfer-Encoding: 7bit Date: Sun, 01 Jun 2008 17:08:49 -0400 X-MB-Message-Source: WebUI X-AOL-IP: 72.161.45.101 X-MB-Message-Type: User MIME-Version: 1.0 From: wa4geg@netscape.net Content-Type: text/plain; charset="us-ascii"; format=flowed X-Mailer: AIM WebMail 36743-STANDARD Received: from 72.161.45.101 by webmail-stg-d07.sysops.aol.com (205.188.162.28) with HTTP (WebMailUI); Sun, 01 Jun 2008 17:08:47 -0400 Message-Id: <8CA9242D10E4D77-1E28-4523@webmail-stg-d07.sysops.aol.com> X-Spam-Flag: NO Subject: Sound skipping problem; Asus A8V-X w/ VIA VT8251/8237A on-board HDA (sound) X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 01 Jun 2008 21:08:52 -0000 >> Help, I've googled my fingers off up to the elbow and no luck:o) >> Sound works but skips or has gaps at about 1 second intervals. >> I'm running a fresh install of FreeBSD 7.0 Release (AMD64.) >> >> /boot/loader.conf contains: >> > >snd_hda_load="YES" >> >> > >You might want to play with some hw.snd sysctls, especially; > hw.snd.latency_profile (set to zero) >hw.snd.latency (set to lower value) >hw.snd.feeder_buffersize (increase) >Roland Thanks for the suggestion Roland. Sound is still ticking/clicking after adding the following sysctl.conf entries (and rebooting of course;) hw.snd.latency_profile=0 hw.snd.latency=0 hw.snd.feeder_buffersize=16384 And additional info; after changing hw.snd.maxautovchans from 2 to 0 just to see if it had any effect on the skips and clicks: $ sysctl -a | grep snd hw.snd.latency_profile: 0 hw.snd.latency: 0 hw.snd.report_soft_formats: 1 hw.snd.compat_linux_mmap: 0 hw.snd.feeder_buffersize: 16384 hw.snd.feeder_rate_round: 25 hw.snd.feeder_rate_max: 2016000 hw.snd.feeder_rate_min: 1 hw.snd.verbose: 1 hw.snd.maxautovchans: 0 hw.snd.default_unit: 0 hw.snd.version: 2007061600/amd64 hw.snd.default_auto: 0 $ sysctl -a | grep pcm dev.pcm.0.%desc: VIA VT8251/8237A High Definition Audio Controller dev.pcm.0.%driver: pcm dev.pcm.0.%location: slot=1 function=0 handle=\_SB_.PCI0.P0P7.AZAL dev.pcm.0.%pnpinfo: vendor=0x1106 device=0x3288 subvendor=0x1043 subdevice=0x818f class=0x040300 dev.pcm.0.%parent: pci2 dev.pcm.0.play.vchans: 0 dev.pcm.0.rec.vchans: 0 dev.pcm.0.buffersize: 16384 dev.pcm.0.polling: 0 dev.pcm.0.polling_interval: 250 Regards, Byron C