From owner-freebsd-multimedia@FreeBSD.ORG Thu Jan 5 00:40:55 2012 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 01371106566C for ; Thu, 5 Jan 2012 00:40:55 +0000 (UTC) (envelope-from conrads@cox.net) Received: from eastrmfepo102.cox.net (eastrmfepo102.cox.net [68.230.241.214]) by mx1.freebsd.org (Postfix) with ESMTP id 8C9288FC1E for ; Thu, 5 Jan 2012 00:40:54 +0000 (UTC) Received: from eastrmimpo109.cox.net ([68.230.241.222]) by eastrmfepo102.cox.net (InterMail vM.8.01.04.00 201-2260-137-20101110) with ESMTP id <20120105004048.RPUA3177.eastrmfepo102.cox.net@eastrmimpo109.cox.net>; Wed, 4 Jan 2012 19:40:48 -0500 Received: from serene.no-ip.org ([98.164.86.55]) by eastrmimpo109.cox.net with bizsmtp id Hcgn1i00M1BeFqy02cgo46; Wed, 04 Jan 2012 19:40:48 -0500 X-CT-Class: Clean X-CT-Score: 0.00 X-CT-RefID: str=0001.0A020208.4F04F190.0043,ss=1,re=0.000,fgs=0 X-CT-Spam: 0 X-Authority-Analysis: v=1.1 cv=v7GbILHnR1xQ6JOQ0tpByaeo/qX3otcUiWK95upJFOE= c=1 sm=1 a=zJWgz3WpvRcA:10 a=G8Uczd0VNMoA:10 a=kj9zAlcOel0A:10 a=fdHYxQQoAueMHNSmXppgDg==:17 a=NRF7K_vUAAAA:8 a=t0Zm2Zi0AAAA:8 a=kviXuzpPAAAA:8 a=-V7h70AX7hDm3bkotysA:9 a=ByyBY2ofHX6fdXTGOJMA:7 a=CjuIK1q_8ugA:10 a=MFc6XYY7ANoA:10 a=4vB-4DCPJfMA:10 a=fdHYxQQoAueMHNSmXppgDg==:117 X-CM-Score: 0.00 Authentication-Results: cox.net; none Received: from cox.net (localhost [127.0.0.1]) by serene.no-ip.org (8.14.5/8.14.5) with ESMTP id q050ekPv053449; Wed, 4 Jan 2012 18:40:47 -0600 (CST) (envelope-from conrads@cox.net) Date: Wed, 4 Jan 2012 18:40:41 -0600 From: "Conrad J. Sabatier" To: "Julian H. Stacey" Message-ID: <20120104184041.0b964a41@cox.net> In-Reply-To: <201201042221.q04MLqEa018426@fire.js.berklix.net> References: <20120103185538.49140809@cox.net> <201201042221.q04MLqEa018426@fire.js.berklix.net> X-Mailer: Claws Mail 3.8.0 (GTK+ 2.24.6; amd64-portbld-freebsd10.0) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: freebsd-multimedia@freebsd.org Subject: Re: Sound intermittently stops working 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, 05 Jan 2012 00:40:55 -0000 On Wed, 04 Jan 2012 23:21:52 +0100 "Julian H. Stacey" wrote: > "Conrad J. Sabatier" wrote: > > Anyone have any clues as to what might cause sound to suddenly stop > > working? Every so often, for no apparent reason, my audio output > > just stops abruptly and cannot be restored without a reboot. No > > error messages from either the kernel or whatever audio app I may > > be running at the time (which will continue playing, blissfully > > unaware that anything out of the ordinary is happening). For all > > outward appearances (other than aurally), everything seems to still > > be working perfectly normally. > > > > # uname -a > > FreeBSD serene.no-ip.org 10.0-CURRENT FreeBSD 10.0-CURRENT #1: Sun > > Jan 1 18:03:55 CST 2012 > > conrads@serene.no-ip.org:/usr/obj/usr/src/sys/CUSTOM amd64 > > > > # cat /dev/sndstat > > FreeBSD Audio Driver (newpcm: 64bit 2009061500/amd64) > > Installed devices: > > pcm0: (play/rec) default > > pcm1: (play/rec) > > pcm2: (play) > > pcm3: (play) > > > > Sorry I don't have any more useful diagnostic-type information. > > > > Does anyone else ever experience this sort of thing? Is there any > > way to get the sound going again, other than rebooting? > > > > Thanks! > > You could save good status with > sysctl -a > sysctl.good > mixer > mixer.good > then what it goes wrong, > sysctl -a > sysctl.bad > mixer > mixer.bad > diff -c sysctl.good sysctl.bad ; diff -c mixer.good mixer.bad > & if anything Has changed do a find & grep on the variable name. > > Cheers, > Julian Good idea. I'll do that. Thanks! -- Conrad J. Sabatier conrads@cox.net