no /dev/audio or /dev/dsp

Dan Nicholson dbn.lists at gmail.com
Mon Jul 2 10:58:02 PDT 2007


On 7/2/07, Roland Puntaier <Roland.Puntaier at br-automation.com> wrote:
> Hi everybody,
>
> after
>   installing  alsa-utils-1.0.13.tar.bz2
>   calling alsamixer and 'm' on Master and PCM
>   /usr/sbin/alsactl restore -f /etc/asound.state
> sound works.
>
> I tested this by watching a youtube video on firefox.
>
> But there is still no /dev/audio or /dev/dsp, i.e. the 'cat xxx.au >
> /dev/audio' will not work.
> Shouldn't that work, too?
>   Links I followed:
>   In http://www.linuxquestions.org/questions/showthread.php?t=500542
>     http://wiki.linuxfromscratch.org/blfs/ticket/1342

/dev/audio and /dev/dsp are part of the OSS emulation from ALSA, which
doesn't get loaded automatically by the kernel (most things don't need
OSS anymore). Try "modprobe snd-pcm-oss" if you have that kernel
module. If you want that all the time, add this to /etc/modprobe.conf
so that loading snd-pcm (done by the kernel) will pull in snd-pcm-oss:

install snd-pcm /sbin/modprobe -i snd-pcm; /sbin/modprobe snd-pcm-oss

> Other Problem:
> When starting krec, it says Synth_STEREO_COMPRESSOR aRts module
> (artsmodulessynth.so.0) is missing.

I don't know about that one. It would be better on the blfs-support
mailing list if anyone doesn't see this.

--
Dan



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