linux-kernel - Re: [alsa-devel] mmotm 2010-07-19 - more pm_qos woes

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Message-ID: <20100721125939.GB10930@sirena.org.uk>
Date:	Wed, 21 Jul 2010 13:59:39 +0100
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Valdis.Kletnieks@...edu
Cc:	akpm@...ux-foundation.org, Takashi Iwai <tiwai@...e.de>,
	Thomas Gleixner <tglx@...utronix.de>,
	alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: Re: [alsa-devel] mmotm 2010-07-19 - more pm_qos woes - audio this
	time

On Wed, Jul 21, 2010 at 08:54:52AM -0400, Valdis.Kletnieks@...edu wrote:
> On Mon, 19 Jul 2010 16:38:09 PDT, akpm@...ux-foundation.org said:
> > The mm-of-the-moment snapshot 2010-07-19-16-37 has been uploaded to
> > 
> >    http://userweb.kernel.org/~akpm/mmotm/

> I've accumulated about 1,000 of these overnight. Seems to be consistently landing in
> pairs based on the timestamps.

This looks like a problem I already reported to James, there's a fix
from him in -next already (folded into the original patch).  It was a
generic problem in the PM QoS stuff when CONFIG_DEBUG_PI_LIST was
selected.  See linux-pm for the discussion.
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