[alsa-devel] alsactl restore: unknown hardware: ymf724f

Jaroslav Kysela perex at perex.cz
Thu Feb 25 15:05:38 CET 2010

On Thu, 25 Feb 2010, Angel Tsankov wrote:

> Jaroslav Kysela wrote:
>> On Thu, 25 Feb 2010, Angel Tsankov wrote:
>>> Hello,
>>> I run 'alsactl restore' on a machine with 2 sound cards -- a built-in
>>> Intel Corporation 82801EB/ER (ICH5/ICH5R) AC'97 Audio Controller (rev
>>> 02) and a non-built-in Yamaha Corporation YMF-724F [DS-1 Audio
>>> Controller] (rev 03) -- and get the following message:
>>> Unknown hardware: "YMF724F" "SigmaTel STAC9700,83,84" "AC97a:83847600"
>>> "0x1073" "0x000d"
>>> Hardware is initialized using a guess method
>>> As a consequence the volume levels of the Yamaha card do not get
>>> restored to the levels stored in /etc/asound.state.  The volume levels
>>> of the built-in card however are properly restored.  The asound.state
>>> file has been created by executing 'alsactl store'.
>>> The kernel has been built with support for ALSA.  I've built and
>>> installed the kernel modules for both cards (not the ones in the
>>> alsa-driver package but those that come with kernel version
>>> Any ideas why alsactl cannot find the hardware it has previously
>>> identified as "YMF724F", "SigmaTel STAC9700,83,84", and so on?
>> The logic of alsactl is to restore the state from /etc/asound.state if it 
>> is valid. It seems like the set_controls() function in alsactl/state.c 
>> returns an error code for a reason.
>> Could you try to compile the latest alsa-utils snapshot 
>> (http://www.alsa-project.org/snapshot/) and run './alsactl -d restore' in 
>> alsa-utils/alsactl directory? A warning (fail reason) should be printed.
> I've attached a bash shell script that I used to download, configure, 
> compile, and run alsactl.  I've also attached a .log file with stdout and 
> stderr that I got while executing the script.

Thanks. I've added more debug print lines to state.c. Could you rerun your 
script and append also '/etc/asound.state' file and output from 
'alsa-info.sh --no-upload' to your output tarballs? Send me this tarball
privately or just an URL to this list.


Jaroslav Kysela <perex at perex.cz>
Linux Kernel Sound Maintainer
ALSA Project, Red Hat, Inc.

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