[solved] ALSA and the LiveCD kernel

Tokikenshi · n00b Joined: 14 Aug 2005 Posts: 10 Location: Lund, Sweden

Is it possible to make ALSA work under the LiveCD-kernel? And in that case, how is it done?

borfig · Apprentice Joined: 27 Oct 2004 Posts: 162

any special reason????
if you need sound during installation (listen to music???), consider knoppix or similar.

Tokikenshi · n00b Joined: 14 Aug 2005 Posts: 10 Location: Lund, Sweden

I had some complications with my home-baked kernels, so I copied the LiveCD-kernel and now everything works like a charm, except there is no sound available.

borfig · Apprentice Joined: 27 Oct 2004 Posts: 162

check the livecd kernel's config whether it has alsa in it (if it is available it is /proc/config(.gz))

nixnut · Posted: Tue Aug 16, 2005 5:10 pm Post subject:

zcat /proc/config.gz | grep SND
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Tokikenshi · n00b Joined: 14 Aug 2005 Posts: 10 Location: Lund, Sweden

Allright, so CONFIG_SND wasn't set. Does this mean I have to configure and recompile the kernel, or is there other tricks to go by this? Sorry for the trouble, but I'm a very lazy guy and I think someone has put the "broken kernel curse" on me.

borfig · Apprentice Joined: 27 Oct 2004 Posts: 162

according to the Alsa Guide, you can

Tokikenshi · n00b Joined: 14 Aug 2005 Posts: 10 Location: Lund, Sweden

Um...
While /proc/config.gz clearly states that CONFIG_SND is not set, emerging alsa-driver fails because ALSA indeed is built-in.
Help!

Edit: The alsasound boot-process reports that it fails to load the drivers... This is what made me worried in the first place...

sypher · n00b Joined: 14 Aug 2005 Posts: 26

For some reason both the universal and minimal install cds don't have the correct ALSA drivers for my soundcard (an onboard nForce2 AC97 Audio controller), however the livecd does (I noticed I didn't get an error when it autoloads ALSA when I was testing the graphical installer). Does the livecd use a masked version of ALSA that does have my driver? Also, I noticed that for some reason emerging alsa does not include the alsaconf configuration utility. How can I configure ALSA? Do I have to download the utility seperately? Thanks.

edit by nixnut: merged "Missing ALSA driver?" thread (this post and the next one) with this thread.
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tlailax · Apprentice Joined: 22 Feb 2004 Posts: 187

alsaconf is in media-sound/alsa-utils

koenderoo · Posted: Thu Aug 18, 2005 9:04 am Post subject:

The alsa guide is suppost to help you with the build in packages. Suppost to, because I'm in the same situation, followed the guide by the letter and I'm still in a very quiet room.

Why is this damn thing not making any noise! I think I need to make my own noises soon, but I doubt my neighbours gonna like that :lol:

I have an on-board VIA sound card type VT8233 and I have de module for this card build in as well as the alsa sound system.

Tokikenshi · n00b Joined: 14 Aug 2005 Posts: 10 Location: Lund, Sweden

Haha, yeah. For me it has come to the point where I hum quietly while playing games and such. No further comments from the neighbours.

But you're right. How come this won't work properly? And why does the config state that CONFIG_SND isn't set while ALSA-support is compiled into the kernel. And why aren't there any drivers?

(I have a Cirrus Logic CS 4614/22/24 [CrystalClear SoundFusion Audio Accelerator].)

nixnut · Posted: Thu Aug 18, 2005 5:18 pm Post subject:

If CONFIG_SND is not set, you don't have sound support in your kernel. If you have CONFIG_SND=m then you should have a module for basic sound support, you then still need the driver for the soundcard or -chip. CONFIG_SND_CS46XX for the cirrus.
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koenderoo · Posted: Thu Aug 18, 2005 5:26 pm Post subject:

I have both baked in: CONFIG_SND and CONFIG_SND_VIA82XX

I have a VIA 8233 sound card on board.

So should be good.

Master is unmuted, line out is unmuted, nothing should stop it, but still: mute.

What do I forget?

edit I found my problem: KMix!!!!!!

The bloody program had everything muted!!! :twisted:

I now turned on all channels available and it works....

This should be optional out, not default out.

Tokikenshi · n00b Joined: 14 Aug 2005 Posts: 10 Location: Lund, Sweden

But what about my problem? I can't emerge alsa-driver because it find ALSA baked into the kernel, while /proc/config.gz states that it isn't. What's the matter with that?

nixnut · Posted: Thu Aug 18, 2005 7:44 pm Post subject:

modprobe cs46xx
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Tokikenshi · n00b Joined: 14 Aug 2005 Posts: 10 Location: Lund, Sweden

Dang. It wasn't loaded and it wasn't in /lib/modules either. Oh, well... I guess I have to roll my own kernel if I want everything to function my way... :/

Thanks for the help!