linux-kernel - Re: [RFC PATCH] hda_intel: ratelimit "spurious response" message

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Date:	Fri, 08 Nov 2013 11:59:11 +0100
From:	Takashi Iwai <tiwai@...e.de>
To:	Joe Perches <joe@...ches.com>
Cc:	alsa-devel <alsa-devel@...a-project.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH] hda_intel: ratelimit "spurious response" message

At Thu, 07 Nov 2013 12:28:18 -0800,
Joe Perches wrote:
> 
> On Thu, 2013-11-07 at 21:23 +0100, Takashi Iwai wrote:
> > At Thu, 07 Nov 2013 11:55:15 -0800,
> > Joe Perches wrote:
> > > 
> > > dmesg here has a 100+ consecutive lines of:
> > > 
> > > [ 1464.219446] hda-intel 0000:00:14.2: spurious response 0x0:0x0, last cmd=0x170500
> > > [ 1464.219451] hda-intel 0000:00:14.2: spurious response 0x0:0x0, last cmd=0x170500
> > > [ 1464.219454] hda-intel 0000:00:14.2: spurious response 0x0:0x0, last cmd=0x170500
> > > ...
> > > 
> > > Ratelimit the message to reduce the dmesg log noise.
> > > 
> > > Coalesce the format while at it.
> > > 
> > > Signed-off-by: Joe Perches <joe@...ches.com>
> > 
> > Thanks, applied.
> > 
> > BTW, which hardware shows this problem?
> > I'm interested rather in that...
> 
> It's a little Acer netbook AO725
> 
> # lspci -v -v -s0:14.2
> 00:14.2 Audio device: Advanced Micro Devices, Inc. [AMD] FCH Azalia Controller (rev 01)
> 	Subsystem: Acer Incorporated [ALI] Device 0740

Could you give alsa-info.sh output (maybe better to get it after
applying your patch)?  It'll show more comprehensive information.


thanks,

Takashi
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