Sound (optical) gone after upgrade [SOLVED]

Hi All,
I have had great fun after the last upgrade. First problem nvidia driver would not load, solved by allocating more ram on the kernel line (in /boot/menu.1st
Second problem is I no longer have a visible optical sound interface (the one on the motherboard, intel chip ) The nvidia hdmi sound channel is there though ..
pavucontrol shows no optical device just nvidia hdmi ..
Anyone know how to debug this?
Last edited by bmentink (2012-06-12 06:46:13)

Lone_Wolf wrote:
ok, looks like we need to check the basics first.
from console run alsamixer, select the card with the s/pdif output and verify is is not muted (it should show OO at the bottom for that channel).
Note the name of the S/pdif channel, run aplay --list-pcms to make sure you have the correct pcm name for it.
then try aplay --device=pcm_name /path/to/any/soundfile
(/usr/share/sounds has many) .
If that commands outputs sound, you'll know for sure the s/pdif output is working.
This is what aplay --list-pcms returns:
[bmentink@TV ~]$ aplay --list-pcms
null
Discard all samples (playback) or generate zero samples (capture)
pulse
PulseAudio Sound Server
default
Default ALSA Output (currently PulseAudio Sound Server)
sysdefault:CARD=Intel
HDA Intel, ALC1200 Analog
Default Audio Device
front:CARD=Intel,DEV=0
HDA Intel, ALC1200 Analog
Front speakers
surround40:CARD=Intel,DEV=0
HDA Intel, ALC1200 Analog
4.0 Surround output to Front and Rear speakers
surround41:CARD=Intel,DEV=0
HDA Intel, ALC1200 Analog
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=Intel,DEV=0
HDA Intel, ALC1200 Analog
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=Intel,DEV=0
HDA Intel, ALC1200 Analog
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=Intel,DEV=0
HDA Intel, ALC1200 Analog
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
hdmi:CARD=Intel,DEV=0
HDA Intel, ALC1200 Digital
HDMI Audio Output
hdmi:CARD=NVidia,DEV=0
HDA NVidia, HDMI 0
HDMI Audio Output
hdmi:CARD=NVidia,DEV=1
HDA NVidia, HDMI 0
HDMI Audio Output
hdmi:CARD=NVidia,DEV=2
HDA NVidia, HDMI 0
HDMI Audio Output
hdmi:CARD=NVidia,DEV=3
HDA NVidia, HDMI 0
HDMI Audio Output
As you see I only have analog and hdmi devices, no spdif ..
B.

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Sound gone after upgrade: Solved

Hi all!
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The only problem is -- nothing somes out of my speakers any more. Yes, I am in the audio group, yes, the speakers are plugged in correctly -- everything worked before the upgrade. Even now, when trying to play an MP3 audio file with mplayer, there is no error message and I see that mplayer thinks it plays the song.
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run alsa conf help me with the same problem
janwil wrote:
Hi all!
I saw similar problems elsewhere in the forum and in the mailing list, but reading them and trying those ideas did not work. So I am hoping that someone has some more recent ideas, thus I will describe the problem again.
I updated my Arch box to the latest versions of everything, which included removing hotplug and switching on hwdetect. hwdetect loads a dozen or so ALSA sound modules which all seem to be reasonable to my eye:
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snd_cmipci 32928 1
snd_ac97_codec 95136 1 snd_ens1371
snd_ac97_bus 2176 1 snd_ac97_codec
snd_opl3_lib 9600 1 snd_cmipci
snd_mpu401_uart 6784 1 snd_cmipci
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snd_hwdep 7712 1 snd_opl3_lib
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snd_mixer_oss
soundcore 8160 1 snd
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I have tried playing around with alsaconf, alsactl and alsamixer, also tried to mute/unmute thing in kmix, but nothing works and the speakers stay silent.
Any idea are greatly welcome.
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Sound (optical) gone after upgrade [SOLVED]

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