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Re: New install - no sound



On Sat, 10 Dec 2005 17:11:23 -0600
Russ Cook <russcook@mbo.net> wrote:

> I have an ASUS A8N32 SLI Deluxe motherboard with an AMD4800 dual core 
> processor.  I believe the audio is Realtek ALC850.  I performed a clean 
> install from unstable from 
> http://mirror.espri.arizona.edu/debian-amd64/debian/ testing main.  My 
> system is up and running, and I have been performing apt-get update and 
> upgrade periodically.  My kernel is vmlinuz-2.6.12-1-amd64-k8-smp.  My 
> problem is that I don't have any sound from the system.  Attached is the 
> output from 'lsmod'.  The utility 'Discover' is installed.  Can anyone 
> offer some pointers?
> 
> Thanks much,
>   Russ
> 

I'm assuming you have alsaconf, alsamixer and alsactl installed (alsa-utils) and the proper devices in /dev to use your hardware.  You might also want to install alsa-oss and alsa-base.

I also have Realtek onboard audio with the ALC850 chip.  I always build my own kernel and the latest version of alsa.  I have alsa 1.0.10 installed with kernel 2.6.14.3 that I built myself.

Below is the modules I am using for alsa.

snd_seq_oss            38436  0 
snd_seq_midi           10240  0 
snd_rawmidi            30752  1 snd_seq_midi
snd_seq_midi_event      9152  2 snd_seq_oss,snd_seq_midi
snd_seq                61400  5 snd_seq_oss,snd_seq_midi,snd_seq_midi_event
snd_seq_device         10192  4 snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
snd_intel8x0           37096  0 
snd_ac97_codec        108220  1 snd_intel8x0
snd_ac97_bus            2880  1 snd_ac97_codec
snd_pcm_oss            58400  0 
snd_mixer_oss          19584  1 snd_pcm_oss
snd_pcm               104012  3 snd_intel8x0,snd_ac97_codec,snd_pcm_oss
snd_timer              28040  2 snd_seq,snd_pcm
snd                    68096  10 snd_seq_oss,snd_rawmidi,snd_seq,snd_seq_device,snd_intel8x0,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer
snd_page_alloc         12112  2 snd_intel8x0,snd_pcm
soundcore              12320  1 snd


This is what my /dev looks like.

0 lrwxrwxrwx 1 root root       5 Nov 25 21:17 /dev/adsp -> adsp0
0 crw-rw---- 1 root audio 14, 12 Nov 25 21:17 /dev/adsp0
0 crw-rw---- 1 root audio 14, 28 Nov 25 21:17 /dev/adsp1
0 crw-rw---- 1 root audio 14, 44 Nov 25 21:17 /dev/adsp2
0 crw-rw---- 1 root audio 14, 60 Nov 25 21:17 /dev/adsp3
0 lrwxrwxrwx 1 root root       4 Nov 25 21:17 /dev/dsp -> dsp0
0 crw-rw-rw- 1 root audio 14,  3 Nov 25 21:17 /dev/dsp0
0 crw-rw-rw- 1 root audio 14, 19 Nov 25 21:17 /dev/dsp1
0 crw-rw-rw- 1 root audio 14, 35 Nov 25 21:17 /dev/dsp2
0 crw-rw-rw- 1 root audio 14, 51 Nov 25 21:17 /dev/dsp3


You might try running alsaconf to detect your card or alsamixer to make sure your levels aren't all the way down.  Other than that I don't know what to tell you.  But the ALC850 chip definitely works with alsa.

>From alsamixer:

Card: ALi M5455
Chip: Realtek ALC850 rev 0



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