Re: `hda-intel: spurious response` several times in output of `dmesg`

From: Takashi Iwai <tiwai@suse.de>
To: Paul Menzel <paulepanter@users.sourceforge.net>
Cc: alsa-devel@alsa-project.org
Subject: Re: `hda-intel: spurious response` several times in output of `dmesg`
Date: Mon, 19 Sep 2011 11:27:19 +0200	[thread overview]
Message-ID: <s5h39fskhl4.wl%tiwai@suse.de> (raw)
In-Reply-To: <1316370484.7061.103.camel@mattotaupa>

At Sun, 18 Sep 2011 20:28:03 +0200,
Paul Menzel wrote:
> 
> Am Mittwoch, den 14.09.2011, 00:11 +0200 schrieb Paul Menzel:
> > Am Montag, den 12.09.2011, 11:28 +0200 schrieb Takashi Iwai:
> > > At Wed, 31 Aug 2011 12:37:28 +0200, Daniel Mack wrote:
> > > > 
> > > > On Wed, Aug 31, 2011 at 12:19 PM, Paul Menzel wrote:
> > 
> > > > > Am Donnerstag, den 25.08.2011, 17:01 +0200 schrieb Paul Menzel:
> > > > >
> > > > > […]
> > > > >
> > > > >> I just want to add that I also see these messages with Linux kernel
> > > > >> 3.0.2 and say seem to be related to suspend and resume.
> > > > >>
> > > > >> The values seem to differ though every time.
> > > > >>
> > > > >>         [ 1130.984969] hda-intel: spurious response 0x0:0x0, last cmd=0x620000
> > > > >>         [ 1130.984990] hda-intel: spurious response 0x1003c:0x0, last cmd=0x620000
> > > > >>         [ 1130.985011] hda-intel: spurious response 0x0:0x0, last cmd=0x620000
> > > > >>         [ 1130.985032] hda-intel: spurious response 0x10034:0x0, last cmd=0x620000
> > > > >>         [ 1130.985053] hda-intel: spurious response 0x0:0x0, last cmd=0x620000
> > > > >>
> > > > >>         [ … another suspend/resume … ]
> > > > >>
> > > > >>         [ 2726.277102] hda-intel: spurious response 0x0:0x0, last cmd=0x1e70700
> > > > >>         [ 2726.277123] hda-intel: spurious response 0x0:0x0, last cmd=0x1e70700
> > > > >>         [ 2726.277144] hda-intel: spurious response 0x0:0x0, last cmd=0x1e70700
> > > > >>         [ 2726.277165] hda-intel: spurious response 0xb:0x0, last cmd=0x1e70700
> > > > >>
> > > > >> Please find the output of `alsa-info.sh` [1] with this Linux version at
> > > > >> the end.
> 
> […]
> 
> > > The verb 0x620000 is to set a stream format to NID 0x06.
> > > For further debugging, more detailed information is needed.
> > > 
> > > I seem to have lost the original post, so could you attach
> > > alsa-info.sh output again, Paul?
> > 
> > Unfortunately I have to compress them due to the size limit. (Could you
> > increase that to for example 150 kB?)
> 
> The output of `alsa-info.sh` with Linux 3.1-rc6 (3ab0fcd6c)
> 
>         commit 3ab0fcd6cd45d0d0cac114e498848f37e7a463b2
>         Merge: 9183834 14515a0
>         Author: Takashi Iwai <tiwai@suse.de>
>         Date:   Fri Sep 16 08:34:05 2011 +0200
>         
>             Merge branch 'topic/misc'
> 
> is as follows.

Thanks.  Judging from the alsa-info.sh output, the relevant widgets
are for the SPDIF output, and I guess the messages are harmless.

Anyway, could you try the patch below?


thanks,

Takashi

---

diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 2a8bed9..ef7e8de 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2925,7 +2925,7 @@ static DEFINE_PCI_DEVICE_TABLE(azx_ids) = {
 	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
 	/* VIA VT8251/VT8237A */
 	{ PCI_DEVICE(0x1106, 0x3288),
-	  .driver_data = AZX_DRIVER_VIA | AZX_DCAPS_POSFIX_VIA },
+	  .driver_data = AZX_DRIVER_VIA | AZX_DCAPS_POSFIX_VIA | AZX_DCAPS_SYNC_WRITE },
 	/* SIS966 */
 	{ PCI_DEVICE(0x1039, 0x7502), .driver_data = AZX_DRIVER_SIS },
 	/* ULI M5461 */
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