[alsa-devel] different user causes 'no such device'

[william estrada]

Thanks, I did a 'chmod -R 666 /dev/snd/' and it worked.

Now how do I make the hot plugged USB sound device use these setting??

Thanks for your time.

William Estrada
MrUmunhum at popdial.com
Mt-Umunhum-Wireless.net ( http://Mt-Umunhum-Wireless.net )
Ymessenger: MrUmunhum



Takashi Iwai wrote:
> At Wed, 03 Oct 2007 12:55:27 -0700,
> william estrada wrote:
>> Hi guys,
>>
>>    I have what seams like a interesting problem.  I have written an ALSA app
>> to record wav files and it runs while I am logged in an terminal as the
>> logged in Gnome user or root.  But when I su to another user, it can't
>> find the default sound card.
>>
>>    I am running FC6.  I tried changing own of /dev/dsp to 'nobody', that did
>> not work.
>>
>>    Anyone know of this problem and a fix for it.
>>
>>    Thanks for your time.
>>
>> -- 
>> William Estrada
>> MrUmunhum at popdial.com
>> Mt-Umunhum-Wireless.net ( http://Mt-Umunhum-Wireless.net )
>> Ymessenger: MrUmunhum
>>
>>> MSGrec - Version 1.1, Mt-Umunhum-Wireless.net
>>> WavMSG: Paused: enter 'q' to stop, <ENTER> to start.
>>> ALSA lib confmisc.c:848:(snd_func_card_driver) cannot find card '0'
>>> ALSA lib conf.c:3500:(_snd_config_evaluate) function snd_func_card_driver returned error: No such device
>>> ALSA lib confmisc.c:397:(snd_func_concat) error evaluating strings
>>> ALSA lib conf.c:3500:(_snd_config_evaluate) function snd_func_concat returned error: No such device
>>> ALSA lib confmisc.c:1248:(snd_func_refer) error evaluating name
>>> ALSA lib conf.c:3500:(_snd_config_evaluate) function snd_func_refer returned error: No such device
>>> ALSA lib conf.c:3972:(snd_config_expand) Evaluate error: No such device
>>> ALSA lib pcm.c:2145:(snd_pcm_open_noupdate) Unknown PCM default
> 
> ALSA-native apps access only ALSA device files, usually /dev/snd/*,
> not /dev/dsp*, those for OSS.  In this case, it should be
> /dev/snd/controlC* files.  Check the premission of these files.
> 
> 
> Takashi
>