snd-cs46xx alsa kernel module missing
I've just installed Lenny (linux-image-2.6.26-1-686), but can't get my soundcard working. It needs the snd-cs46xx module, but that's not installed. I've searched the package database, but can't find a file named snd-cs46xx.ko. Any tips?
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Here's something to try, you can download the alsa source package and build the modules yourself.
Code:
# aptitude update |
Thanks for your help radiodee1. I already tried that, but the snd-cs46xx module was not in the alsa-modules package built by module-assistant.
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Could it be called 'cs46xx' and not 'snd-cs46xx' ?? (That probably doesn't help much. If the file's not there, it's not there.)
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From some posts in de Debian-kernel mailinglist I understand that this module contains some proprietary stuff ("blob"/firmware) and is therefore removed.
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http://www.alsa-project.org/main/ind...:Module-cs46xx
This page comes from the alsa site. It explains how to build the cs46xx module. Since you're running a debian system (?) I would suggest NOT following the instructions on this page, but paying attention to the line that reads Quote:
You could run './configure --with-cards=cs46xx --with-sequencer=yes' then 'make' then find the resultant kernel module, place it in the right place (where? I dunno) and modprobe it. There are more instructions on that page for how you have to set up modutils and modprobe.d I have to say at this point that this all may not be good for the stability of your system, that you should look to other ideas about how to fix your problem... etc etc. I've also never done it, and I don't know if you'll really get cs46xx out of it. That said, I hope this helps. |
Debian cs46xx Problem
Quote:
The last kernel version that had this module included was 2.6.22. Also, with Debian kernels later than 2.6.24, the Alsa source code for the module won't even compile - at least it didn't for me. 2.6.24 was the last kernel under which I could compile this module. So, the bottom line is: There are a lot of older machines that can no longer use Debian if sound is desired. This module was used on quite a few 1999-era boxes, eMachines in particular. This is unfortunate as there are few distros anymore that will run on these machines at all (I could only get Debian and Slackware to work on mine) without crashing or very poor performance. |
I didn't see your post about the mailing list. Maybe then the alsa package from the alsa site is the way for you.
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Quote:
For others with the same problem, this is what I did. First make sure you have the linux-headers package installed. Then download the original alsa-driver 1.0.17 tarball and: tar xf alsa-driver-1.0.17.tar.bz2 cd alsa-driver-1.0.17/ ./configure --with-cards=cs46xx --with-sequencer=yes --with-isapnp=no --disable-verbose-printk make make install modprobe snd-cs46xx Thanks radiodee1! |
Using the latest version of alsa source: 1.0.18a,
I followed these instructions and the build went fine. Then I used alsaconf to configure alsa and it found the cs46xx card and driver. However, when alsaconf, or a raw modprobe, tries to insert the kernel module it fails with the following errors logged in dmesg: [ 2452.740993] snd_cs46xx: disagrees about version of symbol snd_rawmidi_receive [ 2452.741005] snd_cs46xx: Unknown symbol snd_rawmidi_receive [ 2452.741055] snd_cs46xx: disagrees about version of symbol snd_info_register [ 2452.741057] snd_cs46xx: Unknown symbol snd_info_register I looked at the ./configure help but didn't see anything that would help. Any ideas? Mark. |
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