Re: error opening mixer

[Martin Kacerovsky <wizard@matfyz.cz>]

> i /finally/ got alsa-sound working yesterday.  this morning, as i was
> booting my system, i noticed the following message float by:
> 
> aumix:  error opening mixer
> 
> in my /etc/init.d/rc.local file, i have the following statement, which
> sets my mixer to certain established levels:
> 
> /usr/bin/aumix -L /etc/aumixrc
> 
> /etc/aumixrc contains the following:
> 
> vol:75:75:P
> bass:50:50:P
> treble:50:50:P
> synth:0:0:P
> pcm:74:74:P
> speaker:0:0:P
> line:0:0:R
> mic:0:0:P
> cd:0:0:P
> igain:0:0:P
> dig1:0:0:P
> 
> /dev/mixer exists as a pointer to /dev/mixer0:
> 
> calypso:/home/stephen# ls -al /dev/mixer
> lrwxrwxrwx    1 root     root           11 Oct 24 11:44 /dev/mixer ->
> /dev/mixer0
> calypso:/home/stephen# ls -al /dev/mixer0
> crw-rw----    1 root     audio     14,   0 Oct 24 11:44 /dev/mixer0
> calypso:/home/stephen#
> 
> to my untrained eye, this appears normal.  anyone have any ideas as to
> what i may be doing wrong?  (incidentally, alsamixer produces the same
> error -- which, under the circumstances, is no big surprise).

Hi, try chmod 666 /dev/mixer0, or chmod 777 /dev/mixer0
-- 
I am Martin Kacerovsky, student of the Faculty of Mathematics and Physics 
at the Charles University in Prague, in the Czech Republic, in Europe, 
on Earth, in the Universe where Linux operating system rules...