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Re: ALSA: no sound, no error!



On Thu, Jun 23, 2005 at 12:21:09PM -0400, [KS] wrote:

> Hi,
> 
> My system is an unstable Debian box and was running sound (with ALSA)
> under KDE(and sometimes GNOME) without any problem till a few weeks ago.
> But now I get no sound what soever. There is no sound if I do $cat
> /dev/urandom > /dev/dsp   Also, when I try to play audio (audio CD or
> mp3s) with XMMS everything seems to be running fine but there is no
> sound! XMMS, xine, or other multimedia applications do not complain
> about anything regarding sound system.
> 
> Could someone help or give tips on how to go about debugging the sound
> problem?
> 
> Below are some details about the system:
> arts is set to release the sound device after 2 seconds, and it looks
> that its working. Testing sound from the Control Center>Sound and
> Multimedia doesn't give any error either.
> 
> ~$ lspci | grep Multimedia
> 0000:00:1f.5 Multimedia audio controller: Intel Corp. 82801DB/DBL/DBM
> (ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller (rev 01)
> 
> ~$ lsmod | grep snd
> snd_intel8x0           33216  0
> snd_ac97_codec         78360  1 snd_intel8x0
> snd_pcm_oss            53344  0
> snd_mixer_oss          19872  1 snd_pcm_oss
> snd_pcm                92712  3 snd_intel8x0,snd_ac97_codec,snd_pcm_oss
> snd_timer              24644  1 snd_pcm
> snd                    55300  6
> snd_intel8x0,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer
> soundcore               9664  1 snd
> snd_page_alloc         10020  2 snd_intel8x0,snd_pcm
> 
> ~$ cat /proc/asound/cards
> 0 [I82801DBICH4   ]: ICH4 - Intel 82801DB-ICH4
>                      Intel 82801DB-ICH4 with AD1981A at 0xfebff800, irq 201

That looks good to me.

Obvious question first.

Have you used alsamixer (or a GUI equivalent) to unmute the output?

-- 
PJR :-)

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