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Linux From Scratch This Forum is for the discussion of LFS.
LFS is a project that provides you with the steps necessary to build your own custom Linux system.


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Old 11-29-2006, 04:50 AM   #1
Registered: Feb 2006
Location: At a computer
Distribution: Ubuntu 7.04, LFS 6.3 rc1 (living dangerously ;), Windows XP
Posts: 75

Rep: Reputation: 15
ALSA ignorant of my ac97

Hi all,
I've installed ALSAlib, ALSAutils, and ALSAplugins. I've compiled the
entire ALSA part of the kernel as a module. I've loaded each and every
one of these modules.
And yet the only devices appearing are /dev/snd/midi and /dev/snd/timer
I've run alsaconf, and it claimed it couldn't detect any soundcards.
Running a mknod command to manually create /dev/dsp didn't work.
LFS 6.2, BLFS SVN. Onboard ac97.
I've completely run out of ideas to fix this. Does anyone else have any?
Old 11-29-2006, 06:55 AM   #2
Registered: Nov 2002
Location: Kent, England
Distribution: Debian Testing
Posts: 19,192
Blog Entries: 4

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Which kernel are you using? If it's a 2.4 kernel, you'll need the alsa packages from
Old 11-30-2006, 02:25 PM   #3
LQ Newbie
Registered: Nov 2006
Posts: 3

Rep: Reputation: 0
Have you tried to install ALSAdriver and deactivate ALSA-support of the kernel? Maybe you'll get some more information about the source of your problem this way.
But dont forget to add the '--with cards' option to enable your sound-card/onboard chip.

If you want to try it using the kernel alsa support you should ensure to enable the right sound-card driver in 'Device Driver - Sound - ALSA - PCI-Devices'. The best is to enable it as a module and see if it gets loaded automatically. If it doesnt get loaded automatically try to modprobe the module and check it again.
Old 11-30-2006, 04:33 PM   #4
Registered: Aug 2004
Distribution: LFS
Posts: 350

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Post your modprobe.conf file
Old 12-01-2006, 02:16 AM   #5
Registered: Feb 2006
Location: At a computer
Distribution: Ubuntu 7.04, LFS 6.3 rc1 (living dangerously ;), Windows XP
Posts: 75

Original Poster
Rep: Reputation: 15
Sorry i'm an idiot; I rebuilt it a couple of times to tweak with things and somewhere along the line i dropped support for my soundcard...I'm really starting to dislike kernel compiling lol
Sorry guys for my not-thinking-before-asking's always the stupid things


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