From mboxrd@z Thu Jan 1 00:00:00 1970 From: Valdis.Kletnieks@vt.edu Subject: Re: mmotm 2010-08-11 - audio volume issues Date: Thu, 12 Aug 2010 22:13:25 -0400 Message-ID: <4695.1281665605@localhost> References: <201008112340.o7BNenDe021017@imap1.linux-foundation.org> <5043.1281639572@localhost> <4C64624E.7040002@gmail.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============6509512325201580344==" Return-path: Received: from lennier.cc.vt.edu (lennier.cc.vt.edu [198.82.162.213]) by alsa0.perex.cz (Postfix) with ESMTP id 5CB7B24374 for ; Fri, 13 Aug 2010 04:13:28 +0200 (CEST) In-Reply-To: Your message of "Thu, 12 Aug 2010 23:11:42 +0200." 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 , Linus Torvalds Cc: Andrew Morton , Wu Fengguang , Jiri Slaby , alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org List-Id: alsa-devel@alsa-project.org --===============6509512325201580344== Content-Type: multipart/signed; boundary="==_Exmh_1281665605_4567P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit --==_Exmh_1281665605_4567P Content-Type: text/plain; charset=us-ascii On Thu, 12 Aug 2010 23:11:42 +0200, Takashi Iwai said: > At Thu, 12 Aug 2010 23:06:22 +0200, > Jiri Slaby wrote: > > > > On 08/12/2010 08:59 PM, Valdis.Kletnieks@vt.edu wrote: > > > On Wed, 11 Aug 2010 16:10:49 PDT, akpm@linux-foundation.org said: > > >> The mm-of-the-moment snapshot 2010-08-11-16-10 has been uploaded to > > >> > > >> http://userweb.kernel.org/~akpm/mmotm/ > > > > > > Something appears to be borked in the ALSA arena. There's no actual volume coming > > > out of the system, and 'alsamixer' is insisting that the volume slider only goes from 0 > > > to 10% or so, no further. However, experimentation shows that the volume slider > > > in 'xine' *does* affect the 'Amp-Out vals' lines, and alsamixer has *no* effect on > > > what 'Amp-Out vals' lists. > > > > > > A diff of alsa-info.sh for the two kernels shows them being identical, so I'm only > > > attaching one copy. > > > > > > It may be the weekend before I find time to do a bisection of this. > > > > Didn't you (like some other people) get into the state where pulseaudio > > doesn't work? It chooses as an output a dummy driver automatically, then > > you can change volume, play sound, but actually it all goes to /dev/null. > > > > It took me a while before I figured out that it's a "dummy" driver I > > have in pulseaudio. > > Looks like there is a breakage regarding open/close due to fs/notify/* > changes. I guess you can hear still sounds like: > > % aplay -Dplughw foo.wav Confirming that Linus's patch fixes it for me: commit 2069601b3f0ea38170d4b509b89f3ca0a373bdc1 Author: Linus Torvalds Date: Thu Aug 12 14:23:04 2010 -0700 Revert "fsnotify: store struct file not struct path" This reverts commit 3bcf3860a4ff9bbc522820b4b765e65e4deceb3e (and the accompanying commit c1e5c954020e "vfs/fsnotify: fsnotify_close can delay the final work in fput" that was a horribly ugly hack to make it work at all). --==_Exmh_1281665605_4567P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) Comment: Exmh version 2.5 07/13/2001 iD8DBQFMZKpFcC3lWbTT17ARAufmAJ9goOndYraZ66zllcjiuyc/Ns5wKgCZAWp1 LomGTJVERVbUPSSBCZBaz/w= =f7M+ -----END PGP SIGNATURE----- --==_Exmh_1281665605_4567P-- --===============6509512325201580344== 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 --===============6509512325201580344==--