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[Solved] No sound with HDA-Intel Realtek ALC880 Codec
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figueroa
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Joined: 14 Aug 2005
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PostPosted: Sat Mar 08, 2014 4:26 am    Post subject: [Solved] No sound with HDA-Intel Realtek ALC880 Codec Reply with quote

I searched vainly in the Gentoo forums for a solution to my recent problem. I support a collection of old Gateway E4300 small desktop computers at a school. Upon upgrading them from a Gentoo Sources kernel 2.6.35 to 3.10.25, usually the /dev/snd pcm devices would not be created, asound -l would not find the sound card, alsamixer would only find one or two controls, and there would not be any sound.

I found the solution on the Arch forums after searching Google for something like:
no sound devices hda-intel realtec alc880.

https://bbs.archlinux.org/viewtopic.php?id=158677
https://bbs.archlinux.org/viewtopic.php?id=159072

Both of these threads are well worth studying if you have a similar problem. In my case, as soon as I entered:
Code:
rmmod snd_hda_intel
modprobe snd_hda_intel model=3stack

the speaker would pop as the pcm devices in /dev/snd/ were created and the sound card was initialized.

The long term solution was to add:
Code:
# to allow hda-intel to intialize properly with newer kernel
options snd_hda_intel model=3stack

to /etc/modprobe.d/alsa.conf (or any other file ending in .conf in the /etc/modprobe.d directory.

I post this in the hope that others might find the solution helpful.
_________________
Andy Figueroa
andy@andyfigueroa.net Working with Unix since 1983.
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