Sat, 01 Sep 2012 18:09:24 +0200 -n
Tobia Tesan <[email protected]> írta:

> Il 01/09/2012 18:04, Csányi Pál ha scritto:
> > Hi,
> >
> > I have installed Ubuntu 12.04.0 LTS.
> >
> > I purge everything that is related to Unity Desktop: unity,
> > nautilus, gnome stuff, etc.
> >
> > Now I'm using Window Maker and want to run wmmixer but get error
> > message:
> > wmmixer : Unable to open mixer device /dev/mixer'.
> 
> if I am not mistaken, /dev/mixer is (was?) OSS only, whereas ALSA, 
> installed by default on 12.04 (and pretty much any other distro by
> now), has its own stuff in /dev/snd/*.
> 
> I guess you would need to patch wmmixer or enable OSS emulation for
> ALSA.
> 
> See if this helps you:
> 
> https://help.ubuntu.com/community/alsa-oss
> http://alsa.opensrc.org/OSS_emulation

sudo modprobe snd-mixer-oss

solve the problem.

After that I can start wmmixer with the command:
wmmixer -w

and it works.

So to get this setup permanent, I must to edit 
/etc/modules

and put into it the line
snd-mixer-oss

Problem SOLVED! Thanks!

-- 
Regards from Pal


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