linux-kernel - Re: [Bug #10954] hda_intel: azx_get_response timeout, switching to polling mode: last cmd=0x011f000c

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Date:	Sun, 13 Jul 2008 20:50:28 -0400
From:	Valdis.Kletnieks@...edu
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	Justin Mattock <justinmattock@...il.com>
Subject: Re: [Bug #10954] hda_intel: azx_get_response timeout, switching to polling mode: last cmd=0x011f000c

On Sun, 13 Jul 2008 20:00:46 +0200, "Rafael J. Wysocki" said:
> This message has been generated automatically as a part of a report
> of recent regressions.
> 
> The following bug entry is on the current list of known regressions
> from 2.6.25.  Please verify if it still should be listed.
> 
> 
> Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=10954
> Subject		: hda_intel: azx_get_response timeout, switching to polling mode: last cmd=0x011f000c
> Submitter	: Justin Mattock <justinmattock@...il.com>
> Date		: 2008-06-21 2:05 (23 days old)
> References	: http://marc.info/?l=linux-kernel&m=121401399622190&w=4
> 		  http://marc.info/?t=121416231700010&r=1&w=4

Not sure if it's the same bug or not, this one's been there since before
2.6.25 but I haven't bothered chasing it down before. It's still in 26-rc9-mmotd.

Jul 13 05:53:47 turing-police kernel: [ 1459.168266] ALSA sound/pci/hda/hda_intel.c:588: hda_intel: No response from codec, disabling MSI: last cmd=0x012f1c00
Jul 13 05:53:48 turing-police kernel: [ 1460.169265] ALSA sound/pci/hda/hda_intel.c:601: hda_intel: azx_get_response timeout, switching to polling mode: last cmd=0x012f1c00

Dell Latitude D820, x86_64 kernel.  Audio device is:

00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 01)

dmidecode says it's a "Sigmatel 9200".

I've been lazy chasing this one, because all that happens is that MSI gets
turned off, and it keeps going without it...

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