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I Haven't Any Sound Post Install


hjozwiak
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Hello again,

 

I installed Funtoo to my box, and it was a total breeze! But I've hit a roadblock; I haven't any sound. I've installed media-sound/alsa-utils, app-accessibility/espeakup, and the sys-kernel/linux-firmware packages. After I did that, I've added espeakup and alsasound to the default runlevels. But, upon umounting the partitions and rebooting, I haven no sound but a working system. I spoke with a sighted friend and he informed me that there are no volume bars for either of my sound cardss; one is a SoundBlaster Recon 3DI and the other is some form of HDMI card (I believe it is an nvidia one). Have I skipped a step somewhere? Has anyone else encountered a similar issue?

 

Thanks,

 

Hunter

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Please run the alsa information script.

wget http://www.alsa-project.org/alsa-info.sh
chmod +x alsa-info.sh
./alsa-info.sh

Choose y to upload the information.

Provide the link to uploaded info in your reply.

 

For example this is the link to my alsa-info:

Your ALSA information is located at http://www.alsa-project.org/db/?f=11f944f14a13c5cf70dfeebc96ebac5ae37c7196
 

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From your alsa-info:
!!Soundcards recognised by ALSA
!!-----------------------------

 0 [HDMI           ]: HDA-Intel - HDA Intel HDMI
                      HDA Intel HDMI at 0xf751c000 irq 34
 1 [PCH            ]: HDA-Intel - HDA Intel PCH
                      HDA Intel PCH at 0xf7518000 irq 33
!!Aplay/Arecord output
!!--------------------

APLAY

**** List of PLAYBACK Hardware Devices ****
card 0: HDMI [HDA Intel HDMI], device 3: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: HDMI [HDA Intel HDMI], device 7: HDMI 1 [HDMI 1]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: HDMI [HDA Intel HDMI], device 8: HDMI 2 [HDMI 2]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: PCH [HDA Intel PCH], device 0: CA0132 Analog [CA0132 Analog]
  Subdevices: 0/1
  Subdevice #0: subdevice #0

If your speakers are connected to the sound card with 3.5 mm jack and not HDMI the default sound device 0 needs to be switched from HDMI to PCH CA0132 Analog.

Open a terminal, as root:

echo "options snd-hda-intel index=0" > /etc/modprobe.d/snd-hda-intel.conf

Reboot, open alsamixer.

Verify the settings are for PCH, unmute,raise all levels and test your sound.

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Okay. I just made that configuration file with the suggested tweak. But I still have no sound; indeed, I can't even change the volume from within the chroot. All I see is a bar for sp/pdif, which I don't know what that is for. It was off, so I turned it on. Speakup, when I try to change the bar, just says oo oo oo and no change to the volume occurs. Under playback devices, nothing is listed, either; this is a headscratcher indeed.

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Users need rw to /dev/snd for audio.

User root owns /dev/snd with rw permissions, it is not necessary to add root to audio group.

Regular users added to audio group are granted rw permissions to /dev/snd

funtoo rj # ls -la  /dev/snd
total 0
drwxr-xr-x   3 root root      200 Feb 17 16:58 .
drwxr-xr-x  14 root root     3600 Feb 17 16:58 ..
drwxr-xr-x   2 root root       60 Feb 17 16:58 by-path
crw-rw----+  1 root audio 116,  2 Feb 17 16:58 controlC0
crw-rw----+  1 root audio 116,  4 Feb 17 16:58 pcmC0D0c
crw-rw----+  1 root audio 116,  3 Feb 17 17:12 pcmC0D0p
crw-rw----+  1 root audio 116,  6 Feb 17 16:58 pcmC0D1c
crw-rw----+  1 root audio 116,  5 Feb 17 16:58 pcmC0D1p
crw-rw----+  1 root audio 116,  7 Feb 17 16:58 pcmC0D2c
crw-rw----+  1 root audio 116, 33 Feb 17 16:58 timer

When you chroot your using the host kernel and drivers you booted into, not root filesystem that you mount and then chroot into.

You have to boot funtoo's kernel for the configuration to have any effect with funtoo's snd-hda-intel kernel module.

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