Re: New soundcard; lost sound
- From: Wolfgang Draxinger <wdraxinger@xxxxxxxxxxxxxxxx>
- Date: Sat, 04 Nov 2006 12:50:42 +0100
Haines Brown wrote:
I installed a new Audigy2 SoundBlaster Z5 card yesterday and it
worked at first, but in fiddling with Linux alsamixer this
morning, I've gotten things so misconfigured that for some
reason it seems I can't even load the alsa driver.
I have a 2.1 sound system (two powered speakers and a low
frequency woofer), which I have connected to Line Out 1 on my
soundcard. At this point, no other sound devices are connected
and no other sound application running. When I play a wav file
with xmms, since yesterday I no longer have sound, and
eventually a window pops up saying "Couldn't Open Audio".
Double check that you've set to use the ALSA, instead of OSS or a
sound server like aRts or esoundd.
Does this mean that an effort to lead a driver failed and
eventually timed out?
The driver is loaded, but the application fails to access it.
I get inconsistent results when running alsaconf. Usually it
seems to run normally, but sometimes I get
Running update-modules...
Loading driver...
Setting up ALSA.../etc/init.d/alsa:
Warning: 'alsactl restore' failed with error message
'alsactl: set_control:930: warning: name mismatch (3D
Control
- Center/3D Control - Depth) for control #61
alsactl: set_control:930: warning: name mismatch (3D Control
-
Depth/IEC958 Playback Con Mask) for control #62
alsactl: set_control:930: warning: name mismatch (IEC958
Playback Con Mask/IEC958 Playback Pro Mask) for control #63
alsactl: set_control:922: warning: numid mismatch (64/63) for
control #64
alsactl: set_control:930: warning: name mismatch (IEC958
Playback
Switch/IEC958 Playback AC97-SPSA) for control #66
alsactl: set_control:1025: bad control.66.value type'. done.
Setting default volumes...
Now ALSA is ready to use.
For adjustment of volumes, use your favorite mixer.
What does all this mean?
It means, that the init script tries to restore mixer settings,
which don't match your card. To get rid of that:
1. stop ALSA (/etc/init.d/alsa stop)
2. rm /etc/asound.state
3. start ALSA (/etc/init.d/alsa start)
The warnings should be gone now. You will hoever have to unmute
the Master, Front PCM and PCM Channel and also give them some
volume. Also there should be a switch labled "Digital/Analog
Output" or similair, which must be toggled eventually. There are
also some "volume" controls, which in fact control the in DSP
signal routing. Don't fiddle with those. In fact the only
controls you should try in the first place are
labled "Master", "PCM Front" and "PCM". The Audigy cards are
very versatile and the driver offer a lot of nuts and bolts you
can fiddle with.
Thise files:
$ ls -l /dev/dsp lrwxrwxrwx 1 root root
9 2005-08-20 19:53 /dev/dsp -> /dev/dsp0
$ ls -l /dev/dsp0 crw-rw---- 1 root audio
14, 3 2005-08-20 19:53 /dev/dsp0
$ cat /etc/group | grep audio
audio:x:29:brownh,admin
Are part of the OSS compatibility layer. ALSA has it's device
files in /dev/snd
Wolfgang Draxinger
--
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- From: Haines Brown
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