no alsa audio
Michael Schwendt
fedora at wir-sind-cool.org
Sun Jul 4 17:41:40 UTC 2004
On Sun, 04 Jul 2004 12:32:37 -0400, Mike Payst wrote:
> I installed a new mobo recently with a built-in "nVidia
> Corporation|nForce2 AC97 Audio Controler (MCP)" and then upgraded FC1 to
> FC2. This is my first time using alsa. My only usage for audio is to
> listen to a PBS station using Real Player 8. When I try to listen to
> the FM station, there is no audio at first. The sound driver is loaded:
>
> # service alsasound status
> ALSA sound driver loaded.
With FC2, you should not have "service alsasound" because that script is
not included. So, where does it come from?
rpm --query --all '*alsa*'
> I discovered that if I run "system-config-soundcard", click on "Play
> test sound", then the audio will play properly once again until the next
> reboot (I shut the machine down at night). This sequence is very
> repeatable.
What do you have in /etc/modprobe.conf?
> Or, if I do the "Play test sound" first, then I can hear the FM station
> as soon as I start real Player.
This indicates that your alsamixer settings are insufficient.
> Despite a bunch of digging, I have not been able to figure out what
> process "Play test sound" is kicking off. Can anyone tell me what I am
> missing?
Difficult to say as ALSA comes with two driver layers, native ALSA
(/dev/snd/*) and ALSA OSS compatibility (/dev/dsp). Much depends on
whether your applications are configured to use native ALSA or OSS.
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