From mboxrd@z Thu Jan 1 00:00:00 1970 From: Forest Bond Subject: Re: via82xx: unreliable audio, strange mixer behavior Date: Fri, 21 Nov 2008 11:32:56 -0500 Message-ID: <20081121163256.GE3899@storm.local.network> References: <20081120170409.GG17813@storm.local.network> <20081121120823.GD3899@storm.local.network> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============6741234312022512806==" Return-path: Received: from mail3.webfaction.com (mail3.webfaction.com [70.85.44.146]) by alsa0.perex.cz (Postfix) with ESMTP id C040A2458C for ; Fri, 21 Nov 2008 17:33:03 +0100 (CET) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@alsa-project.org Errors-To: alsa-devel-bounces@alsa-project.org To: Takashi Iwai Cc: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org --===============6741234312022512806== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="cz6wLo+OExbGG7q/" Content-Disposition: inline --cz6wLo+OExbGG7q/ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi Takashi, On Fri, Nov 21, 2008 at 01:54:43PM +0100, Takashi Iwai wrote: > At Fri, 21 Nov 2008 07:08:23 -0500, > Forest Bond wrote: > > On Fri, Nov 21, 2008 at 12:59:10PM +0100, Takashi Iwai wrote: > > > At Thu, 20 Nov 2008 12:04:09 -0500, > > > Forest Bond wrote: > > >>=20 > > >> Hi, > > >>=20 > > >> I'm using snd-via82xx on an Ubuntu 8.04 system. alsa-info.sh output= is here: > > >>=20 > > >> http://www.alsa-project.org/db/?f=3D1c3d5570e7b57d4d2f79b964a323dd7b= 4efd7e78 > > >>=20 > > >> Here are the symptoms: > > >>=20 > > >> Audio goes away after a semi-random interval. Sometimes it returns = after > > >> `modprobe -r snd-via82xx' followed by `modprobe snd-via82xx', but so= metimes it > > >> seems to take a full reboot. > > >>=20 > > >> This looks similar to: > > >>=20 > > >> https://bugtrack.alsa-project.org/alsa-bug/view.php?id=3D3D3194 > > >>=20 > > >> Some folks think that this kind of issue is triggered by audio volum= e being > > >> above a certain level. I'm not entirely sure if this is true, but I= think it > > >> is. One time, I apparently triggered the issue by unplugging and re= plugging the > > >> audio cable from the mainboard during playback. > > >>=20 > > >> Audio can be heard even when the PCM volume level is 0 (as told by a= lsamixer). > > >> The volume does get louder when I turn up that mixer control, but it= never goes > > >> away entirely when I turn the volume to zero. Mute works as expecte= d. > > >=20 > > > The volume 0 doesn't always mean the mute on several hardwares. > > > So this can be irrelevant if it happens always. > > >=20 > > > I vaguely remember about the low-power mode of some codec chips. > > > Which codec chip does your system have? Please run alsa-info.sh with > > > --no-upload option, and attach the output file. > >=20 > > The output would be the same as what was already uploaded, right? I've= attached > > that output here for your convenience. >=20 > Thanks, it's always better to post the content than a URL. >=20 > Any chance to try the later version of alsa-driver? > Yours looks pretty old. I can try this a bit later today. I'll report the results ASAP. Thanks, Forest --=20 Forest Bond http://www.alittletooquiet.net http://www.pytagsfs.org --cz6wLo+OExbGG7q/ Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iD8DBQFJJuK3RO4fQQdv5AwRArD5AJ90Wc5JPsn86h6PU5UI5PP7NvdOKgCgnNZL Mqrc2iUSVrSYGo6RDdpdaQY= =iJXC -----END PGP SIGNATURE----- --cz6wLo+OExbGG7q/-- --===============6741234312022512806== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Alsa-devel mailing list Alsa-devel@alsa-project.org http://mailman.alsa-project.org/mailman/listinfo/alsa-devel --===============6741234312022512806==--