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From: Pavel Machek <pavel@ucw.cz>
To: Takashi Iwai <tiwai@suse.de>
Cc: alsa-devel@alsa-project.org, kernel list <linux-kernel@vger.kernel.org>
Subject: Re: 4.0-rc3: sound broken in chromium but not in mpg123
Date: Tue, 24 Mar 2015 20:01:59 +0100	[thread overview]
Message-ID: <20150324190158.GA29071@amd> (raw)
In-Reply-To: <s5hoanthx6z.wl-tiwai@suse.de>

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

WARNING: multiple messages have this Message-ID (diff)
From: Pavel Machek <pavel@ucw.cz>
To: Takashi Iwai <tiwai@suse.de>
Cc: perex@perex.cz, alsa-devel@alsa-project.org,
	kernel list <linux-kernel@vger.kernel.org>
Subject: Re: 4.0-rc3: sound broken in chromium but not in mpg123
Date: Tue, 24 Mar 2015 20:01:59 +0100	[thread overview]
Message-ID: <20150324190158.GA29071@amd> (raw)
In-Reply-To: <s5hoanthx6z.wl-tiwai@suse.de>

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

  reply	other threads:[~2015-03-24 18:57 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-14 20:11 4.0-rc3: sound broken in chromium but not in mpg123 Pavel Machek
2015-03-15  8:12 ` Takashi Iwai
2015-03-15  8:12   ` Takashi Iwai
2015-03-15  8:15   ` Pavel Machek
2015-03-15  8:23     ` Takashi Iwai
2015-03-16 12:37       ` Pavel Machek
2015-03-16 13:46         ` Takashi Iwai
2015-03-24 19:01           ` Pavel Machek [this message]
2015-03-24 19:01             ` Pavel Machek

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