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Date: Tue, 26 Mar 2013 12:43:41 +0100 From: Hector Palacios <hector.palacios@...i.com> To: Fabio Estevam <festevam@...il.com> CC: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Marek Vasut <marex@...x.de>, "alsa-devel@...a-project.org" <alsa-devel@...a-project.org>, Shawn Guo <shawn.guo@...aro.org>, Dong Aisheng <b29396@...escale.com>, "Mark Brown" <broonie@...nsource.wolfsonmicro.com> Subject: Re: BUG: soft lockup when recording audio on MX28EVK with ASoC sgtl5000 Hi Fabio, On 03/26/2013 12:15 AM, Fabio Estevam wrote: > Hector, > > On Mon, Mar 25, 2013 at 4:31 PM, Fabio Estevam <festevam@...il.com> wrote: >> Hi Hector, >> >> On Mon, Mar 25, 2013 at 7:52 AM, Hector Palacios >> <hector.palacios@...i.com> wrote: >>> 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 >> >> I have just tested arecord on 3.8,4 and I haven't seen the 'soft lockup' bug. >> >> However, I see that mxs saif gets busy after the record and any >> attempt to do an 'aplay' after the first arecord fails. >> >> With the attached patch applied I am able to do arecord/aplay sequence >> several times. >> >> I don't have a cable handy here to actually test if the sound is >> recorded properly or not. >> >> Could you please test it against 3.8.4? > > I managed to test arecord and it works with the following as follows: > > 1. Run alsamixer and select LINE_IN in the Capture element > > 2. Record with the following command line: > > arecord -D hw:0,1 -d 10 -f S16_LE -r 44100 -c test.wav This command works on v3.8 even without your patch. I can arecord/aplay several times without problems. With my original command 'arecord [-M] -f cd sound.wav --duration 10', the soft lockup appears both in v3.8 and v3.8.4 with and without your patch. So it looks like the patch does not help here. Regards, -- Héctor Palacios -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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