Re: no sound problem with ALC882 (error: "hda_codec: Unknown model for ALC882")

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The latest asla is 1.0.13

When playing with very recent soundcards, you need to use the very latest
alsa. That does not mean it will work but it has a higher probability. the
hda have been especially problematic apparently.


On Mon, 2 Oct 2006, Mark Ryden wrote:

> Hello,
>
>  I am posting again after there was probably some technical problem
> with my message; it is the same message, if anybody got it:
>
> I have a no sound problem on a Fedora 5 machine (x86_64)
> running Athlon 3800+ AMD. I am wrestling with this
> problem for some days now without any success.
>
> the sound card I have ,according to
> "aplay -l", is :
>
> **** List of PLAYBACK Hardware Devices ****
> card 0: NVidia [HDA NVidia], device 0: ALC882 Analog [ALC882 Analog]
> Subdevices: 1/1
> Subdevice #0: subdevice #0
>
>
> I looked over the net for this kind of error; it seems to me that
> the essence of the problem is that the current also driver
> does not support ALC882.

Probably true. In which case there is no way of swearing at it, or begging
others for help, to get it to work.


>
> When I perform :
> rmmod snd_hda_intel
> modprobe snd_hda_intel
> I see in the kernel log the following message
> Oct  1 08:10:46  kernel: hda_codec: Unknown model for ALC882, trying
> auto-probe from BIOS...
>
>
> After seeing this message, I tried these things:
> 2) after looking at ALSA support page , in:
> http://people.redhat.com/stransky/alsa/
>
> I had installed alsa-driver-1.0.12.tar.bz2.
> it did not help- still the same error and no sound.

1.0.13 is the latest. 1.0.12 is a month and a half old. No guarentee that
the new alsa supports your card.


>
>
> 1) perform yum upgrade kernel.
>
> now the kernel version is 2.6.17-1.2187_FC5
> (it was 2.6.15-1.2054_FC5 before).
>
> Still this did not help.

Why would that help? the kernels use alsa if that is an older version of
alsa , that is hardly likely to help.

>
> I am sure that there is nothing which is muted, etc.
>
> I know that such an error occurred on acer laptops with ALC883.
> (see , for example, the
> Changelog between 1.0.12 and 1.0.13rc1 releases
> in http://www.alsa-project.org/changes/v1-0-12--v1-0-13rc1.txt)
>

Well, now, it sounds like maybe they actually did something for version 13.


> I also saw a bug report about acer and ALC882 (and a patch for acer)
> in ALSA bugtracking system; also there , the indication for a
> problem was the kernel message "hda_codec: Unknown model for ALC882, trying
> auto-probe from BIOS..."
>

And what did the bugtraq say?

>
> currently when I run : cat /proc/asound/version
> I get :
> Advanced Linux Sound Architecture Driver Version 1.0.11rc4 (Wed Mar 22
> 10:27:24 2006 UTC).

Again, that is even older. It is pre 1.0.11 so if 1.0.12 does not work, it
is highlyunlikely that an even older one will work.

>
> But as I said, with the previous kernel I tried
> installin alsa-driver-1.0.12.tar.bz2 and it did not help.

Try 13.


>
>
> Any ideas ?
>
> Any help will be appreciated.

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