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I simply don't have any sound on my Ubuntu 12.04 (Precise), after upgrade from 11.10. Using this command: sudo killall pulseaudio; rm -r ~/.pulse*, the audio comes back but when I turn it off and on again the audio is gone. Again.

Alsamixer works fine all the bars on top. And the sound configuration reveals something; it says "Salida para torpes" as well known as "Salida boba". A translation would be "Dummy output".

So I already don't know what's going on. :/

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closed as off topic by fossfreedom May 22 '12 at 18:27

Questions on Ask Ubuntu are expected to relate to Ubuntu within the scope defined by the community. Consider editing the question or leaving comments for improvement if you believe the question can be reworded to fit within the scope. Read more about reopening questions here.If this question can be reworded to fit the rules in the help center, please edit the question.

    
This question should instead be filed as a bug report, thanks! Instructions here. –  Jorge Castro Apr 30 '12 at 2:11

2 Answers 2

I removed alsa-hda-dkms (alsa-hda-dkms 0.201205021650~precise1) and rebooted. Sound is back. Weirdo.

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Can you post some terminal output like shown below? My results are in there for example. $ aplay -l ** List of PLAYBACK Hardware Devices ** card 0: Intel [HDA Intel], device 0: ALC889 Analog [ALC889 Analog] ...

Replace "alc889" with the id of your hardware: Then to get the model to put in alsa-base.conf: $ gunzip -c /usr/share/doc/alsa-base/driver/HD-Audio-Models.txt.gz |grep -i "alc889" intel-alc889a Intel IbexPeak with ALC889A intel-x58 Intel DX58 with ALC889

The workaround for the problem is to add the identifier (as shown above) to the bottom of /etc/modprobe.d/alsa-base.conf (then rebooting). There is probably a bug on launchpad.net for your sound model.

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so, I got this: tarjeta 0: SB [HDA ATI SB], dispositivo 0: ALC268 Analog [ALC268 Analog] Subdispositivos: 1/1 Subdispositivo #0: subdevice #0 –  Manck Apr 29 '12 at 18:20
    
Ok I fix it, I just copy the killall pulse line on etc/rc.local –  Manck Apr 29 '12 at 19:07

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