Re: No sound - Intel HDA SOF driver and Nvidia HDMI

[Mameka]

25. Oktober 2021 22:57, "Mameka" <help-guix@gnu.org> schrieb:

> I installed Guix System on my ASUS TuF Gaming 705 GM notebook. There is an 
> Intel / Nvidia Optimus
> graphics card. The sound modules are Intel HDA and Nvidia HDMI. After a 
> normal boot the Nvidia HDMI
> is activated and I don't hear any sound out of the speakers. Only the "dummy 
> driver" is loaded.
> If I plugin an USB sound card this works fine. But I like to use the internal 
> sound card.
> 
> Some logs:
> 
> cat /proc/asound/card*/codec* | grep Codec Codec: Nvidia GPU 84 HDMI/DP sudo 
> dmesg | grep -i
> snd_hda_intel [ 29.243097] snd_hda_intel 0000:00:1f.3: DSP detected with PCI 
> class/subclass/prog-if
> info 0x040380 [ 29.243111] snd_hda_intel 0000:00:1f.3: Digital mics found on 
> Skylake+ platform,
> using SOF driver [ 29.243171] snd_hda_intel 0000:01:00.1: enabling device 
> (0000 -> 0002) [
> 29.243267] snd_hda_intel 0000:01:00.1: Disabling MSI [ 29.243270] 
> snd_hda_intel 0000:01:00.1:
> Handle vga_switcheroo audio client [ 29.725366] snd_hda_intel 0000:01:00.1: 
> bound 0000:01:00.0 (ops
> nv50_audio_component_bind_ops [nouveau]) lspci | grep -i audio 00:1f.3 Audio 
> device: Intel
> Corporation Cannon Lake PCH cAVS (rev 10) 01:00.1 Audio device: NVIDIA 
> Corporation GP106 High
> Definition Audio Controller (rev a1) I tried Trisquel 9 before Guix and there 
> the sound was working
> fine. Trisquel uses the Libre Kernel as well, so I hope that Guix System can 
> do it also. I tried to
> blacklist the snd_hda_intel in the /etc/config.scm (use-modules (gnu)) 
> (use-service-modules desktop
> networking ssh xorg) (use-modules (gnu services virtualization)) [...] 
> (kernel-arguments
> '("modprobe.blacklist=nouveau,snd_hda_intel,snd-hda-intel")) [...] 
> (supplementary-groups '("wheel"
> "netdev" "audio" "video" "libvirt" "kvm"))) [...] Unfortunately this does not 
> work. I get no sound.
> Blacklisting the snd_hda_intel worked in Slackware and Debian. Any advice is 
> welcome. Kind regards,
> Mameka

Sorry for the bad format. It was a mistake.

cat /proc/asound/card*/codec* | grep Codec
Codec: Nvidia GPU 84 HDMI/DP 

lspci | grep -i audio
00:1f.3 Audio device: Intel Corporation Cannon Lake PCH cAVS (rev 10)
01:00.1 Audio device: NVIDIA Corporation GP106 High Definition Audio Controller 
(rev a1)


I tried Trisquel 9 before Guix and there the sound was working
fine. Trisquel uses the Libre Kernel as well, so I hope that Guix System can do 
it also. I tried to
blacklist the snd_hda_intel in the /etc/config.scm
(use-modules (gnu)) 
(use-service-modules desktop networking ssh xorg) 
(use-modules (gnu services virtualization)) 
[...] 
(kernel-arguments '("modprobe.blacklist=nouveau,snd_hda_intel,snd-hda-intel")) 
[...] 
(supplementary-groups '("wheel" "netdev" "audio" "video" "libvirt" "kvm"))) 
[...] 
Unfortunately this does not work. I get no sound.
Blacklisting the snd_hda_intel worked in Slackware and Debian. 

Any advice is welcome. 
Kind regards,

Mameka