[K12OSN] Problem setting up sound for thin clients: ALSA instead of ESD?!

[Petre Scheie]

You may need to install Gideon Romm's esd-alsa package.  See 
http://wiki.ltsp.org/twiki/bin/view/Ltsp/WorkInProgress#esd_ALSA_sound_on_LTSP_4_2

Petre

john wrote:
> Hi all,
> 
> I am trying to set up LTSP to use ESD so that I can have sound on my 
> thin clients. However when I do:
> esdplay /usr/share/sounds/phone.wav
> 
> I get the following message:
> 
> ja at ltsp:~$ esdplay /usr/share/sounds/phone.wav
> ALSA lib confmisc.c:672:(snd_func_card_driver) cannot find card '0'
> ALSA lib conf.c:3493:(_snd_config_evaluate) function 
> snd_func_card_driver returned error: No such device
> ALSA lib confmisc.c:392:(snd_func_concat) error evaluating strings
> ALSA lib conf.c:3493:(_snd_config_evaluate) function snd_func_concat 
> returned error: No such device
> ALSA lib confmisc.c:1072:(snd_func_refer) error evaluating name
> ALSA lib conf.c:3493:(_snd_config_evaluate) function snd_func_refer 
> returned error: No such device
> ALSA lib conf.c:3962:(snd_config_expand) Evaluate error: No such device
> ALSA lib pcm.c:2102:(snd_pcm_open_noupdate) Unknown PCM default
> ALSA lib confmisc.c:672:(snd_func_card_driver) cannot find card '0'
> ALSA lib conf.c:3493:(_snd_config_evaluate) function 
> snd_func_card_driver returned error: No such device
> ALSA lib confmisc.c:392:(snd_func_concat) error evaluating strings
> ALSA lib conf.c:3493:(_snd_config_evaluate) function snd_func_concat 
> returned error: No such device
> ALSA lib confmisc.c:1072:(snd_func_refer) error evaluating name
> ALSA lib conf.c:3493:(_snd_config_evaluate) function snd_func_refer 
> returned error: No such device
> ALSA lib conf.c:3962:(snd_config_expand) Evaluate error: No such device
> ALSA lib pcm.c:2102:(snd_pcm_open_noupdate) Unknown PCM default
> 
> So I am obviously using ALSA instead of ESD. My question is, how do I 
> use ESD? My lts.conf looks like:
> [Default]
>         SERVER             = 192.168.0.254 <http://192.168.0.254>
>         XSERVER            = auto
>         X_MOUSE_PROTOCOL   = "PS/2"
>         X_MOUSE_DEVICE     = "/dev/psaux"
>         X_MOUSE_RESOLUTION = 400
>         X_MOUSE_BUTTONS    = 3
>         USE_XFS            = N
>         SCREEN_01          = startx
> SOUND = Y
> SOUND_DAEMON = esd
> VOLUME = 75
> 
> Weirdly enough, doing ps aux | grep esd and
> ps aux | grep alsa shows no sound daemons running.
> 
> Your wisdom would be greatly appreciated.
> 
> Thanks!
> 
> John
> 
> 
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