linux-kernel - Re: BUG: soft lockup when recording audio on MX28EVK with ASoC sgtl5000

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Message-ID: <20130325152548.GD30232@S2101-09.ap.freescale.net>
Date:	Mon, 25 Mar 2013 23:25:50 +0800
From:	Shawn Guo <shawn.guo@...aro.org>
To:	Marek Vasut <marex@...x.de>
CC:	Hector Palacios <hector.palacios@...i.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Fabio Estevam <festevam@...il.com>
Subject: Re: BUG: soft lockup when recording audio on MX28EVK with ASoC
 sgtl5000

On Mon, Mar 25, 2013 at 01:10:54PM +0100, Marek Vasut wrote:
> Dear Hector Palacios,
> 
> CCing Shawn, this might also explain the touchscreen issue.
> 
> > Hello,
> > 
> > I just tried recording audio on Freescale's MX28EVK that uses ASoC sgtl5000
> > (kernel v3.8) with:
> > 
> > 	arecord -M -f cd sound.wav --duration 10
> > 
> > and got a scheduler message:
> > 
> > [  789.041847] [sched_delayed] sched: RT throttling activated

Hmm, I'm not sure if v3.8 is the first place where audio recording gets
broken.  Does v3.7 even work for you?

Shawn

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