From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754915AbbCXS5Q (ORCPT ); Tue, 24 Mar 2015 14:57:16 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:43956 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752277AbbCXS5O (ORCPT ); Tue, 24 Mar 2015 14:57:14 -0400 Date: Tue, 24 Mar 2015 20:01:59 +0100 From: Pavel Machek To: Takashi Iwai Cc: perex@perex.cz, alsa-devel@alsa-project.org, kernel list Subject: Re: 4.0-rc3: sound broken in chromium but not in mpg123 Message-ID: <20150324190158.GA29071@amd> References: <20150314201109.GA21052@amd> <20150315081544.GA17650@amd> <20150316123719.GA14161@amd> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi! > > > OK, then another thing I would check is to try different sample rates > > > (e.g. via playing WAV files over PA). > > > > Like this? > > > > pavel@amd:/usr/share$ pacat ./sounds/alsa/Front_Right.wav > > pavel@amd:/usr/share$ pacat --rate=48000 ./sounds/alsa/Front_Right.wav > > pavel@amd:/usr/share$ pacat --rate=44100 ./sounds/alsa/Front_Right.wav > > pavel@amd:/usr/share$ pacat --rate=32000 ./sounds/alsa/Front_Right.wav > > pavel@amd:/usr/share$ pacat --rate=16000 ./sounds/alsa/Front_Right.wav > > pavel@amd:/usr/share$ pacat --rate=8000 ./sounds/alsa/Front_Right.wav > > > > This seems to have behaved as expected. > > Hmm. You might see a difference when comparing > /proc/asound/card*/pcm0p/sub0/* files between working and broken > cases (while playing something). > > Other than that, I have no idea. A bisection would be needed, I'm > afraid. :-(. To make it more fun, it now appeared on x60... it looks like it has something to do with starting browser early after boot. Restarting the browser seems to fix it. Best regards, Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html