[SOLVED] No sound cards found AMD/B450

[megalodon]

Hi guys,

It's a fresh install and pulseaudio can't find my sound card. Looks like my Realtek chip is set to Intel HD Audio driver and kernel module, which I think is incorrect.

Hardware:
+ AMD Ryzen 5 5600G
+ MSI B450 Mortar Max
+ Realtek® ALC892/ALC897 Codec

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$ uname -a
Linux orion 5.10.76-gentoo-r1 #1 SMP Mon Dec 13 04:02:21 -00 2021 x86_64 AMD Ryzen 5 5600G with Radeon Graphics AuthenticAMD GNU/Linux

>> lspci -nnk

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$ lspci -nnk 
30:00.1 Audio device [0403]: Advanced Micro Devices, Inc. [AMD/ATI] Renoir Radeon High Definition Audio Controller [1002:1637]
        Subsystem: Micro-Star International Co., Ltd. [MSI] Renoir Radeon High Definition Audio Controller [1462:eb89]
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd_hda_intel

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$ aplay -l
aplay: device_list:274: no soundcards found...

/etc/portage/make.conf

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$ cat /etc/portage/make.conf | grep USE
# Use flags
USE="savedconfig lzma logrotate zsh-completion udev X elogind xinerama pulseaudio jack -systemd -gnome -kde"

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ls -l /dev/snd
total 0
crw-rw----+ 1 root audio 116,  1 Dec 14 22:13 seq
crw-rw----+ 1 root audio 116, 33 Dec 14 22:13 timer

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$ cat /proc/asound/devices
  1:        : sequencer
 33:        : timer

>> /usr/src/linux/.config

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$ cat /usr/src/linux/.config | grep CONFIG_SND_HDA_CODEC_REALTEK
CONFIG_SND_HDA_CODEC_REALTEK=m

# --- EDIT --- #
Steps to check:
+ Is your user in audio group?

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$ groups
//Should output audio

If not:

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# useradd -a -G audio my_username

+ Check the kernel you compiled. In my case, I was not using the right version. I needed to sanitize, then recompile. Also,

... codecs must either be all <M> or all <*> a mix of built in and modules fails by design

[NeddySeagoon]

megalodon,

Your kernel support is missing as you don't have any Control or pcm devices in

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ls -l /dev/snd
total 0
crw-rw----+ 1 root audio 116,  1 Dec 14 22:13 seq
crw-rw----+ 1 root audio 116, 33 Dec 14 22:13 timer 

snd-hda-intel and its codecs must either be all <M> or all <*> a mix of built in and modules fails by design.

-- edit --

I've just seen your .config.

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CONFIG_SND_HDA=m
CONFIG_SND_HDA_CODEC_REALTEK=m

That looks good.

Are you running the kernel you think you are?
What is the date and time in

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uname -a

That's the build date/time of the runining kernel. If you have made a newer one, its not being used.

[megalodon]

Note:

As well observed by @NeddySeagoon, I was not using the kernel I thought, so I sanitized the kernel sources, then build it again, and things changed.
---

NeddySeagoon,

this is the new scenario:

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$ uname -a 
Linux orion 5.10.76-gentoo-r1 #1 SMP Wed Dec 15 12:32:45 -00 2021 x86_64 AMD Ryzen 5 5600G with Radeon Graphics AuthenticAMD GNU/Linu

>> lspci -nnk

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$ lspci -nnk
30:00.1 Audio device [0403]: Advanced Micro Devices, Inc. [AMD/ATI] Renoir Radeon High Definition Audio Controller [1002:1637]
	Subsystem: Micro-Star International Co., Ltd. [MSI] Renoir Radeon High Definition Audio Controller [1462:eb89]
	Kernel driver in use: snd_hda_intel
	Kernel modules: snd_hda_intel
30:00.6 Audio device [0403]: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 10h-1fh) HD Audio Controller [1022:15e3]
	Subsystem: Micro-Star International Co., Ltd. [MSI] Family 17h (Models 10h-1fh) HD Audio Controller [1462:eb89]
	Kernel driver in use: snd_hda_intel
	Kernel modules: snd_hda_intel

* I forgot to list one audio device, but it was there on dpaste

I also noted now that $ aplay -l != # aplay -l

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$ aplay -l 
aplay: device_list:274: no soundcards found...

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# aplay -l
**** List of PLAYBACK Hardware Devices ****
XDG_RUNTIME_DIR (/run/user/1000) is not owned by us (uid 0), but by uid 1000! (This could e.g. happen if you try to connect to a non-root PulseAudio as a root user, over the native protocol. Don't do that.)
card 0: Generic [HD-Audio Generic], device 3: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: Generic [HD-Audio Generic], device 7: HDMI 1 [HDMI 1]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: Generic_1 [HD-Audio Generic], device 0: ALC892 Analog [ALC892 Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: Generic_1 [HD-Audio Generic], device 1: ALC892 Digital [ALC892 Digital]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

* The device name ALC892 Digital is correct according to the motherboard description

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$ ls -l /dev/snd
total 0
drwxr-xr-x 2 root root       80 Dec 15 12:36 by-path
crw-rw---- 1 root audio 116,  5 Dec 15 12:36 controlC0
crw-rw---- 1 root audio 116, 11 Dec 15 12:36 controlC1
crw-rw---- 1 root audio 116,  4 Dec 15 12:36 hwC0D0
crw-rw---- 1 root audio 116, 10 Dec 15 12:36 hwC1D0
crw-rw---- 1 root audio 116,  2 Dec 15 12:36 pcmC0D3p
crw-rw---- 1 root audio 116,  3 Dec 15 12:36 pcmC0D7p
crw-rw---- 1 root audio 116,  7 Dec 15 12:36 pcmC1D0c
crw-rw---- 1 root audio 116,  6 Dec 15 12:36 pcmC1D0p
crw-rw---- 1 root audio 116,  8 Dec 15 12:36 pcmC1D1p
crw-rw---- 1 root audio 116,  9 Dec 15 12:36 pcmC1D2c
crw-rw---- 1 root audio 116,  1 Dec 15 12:36 seq
crw-rw---- 1 root audio 116, 33 Dec 15 12:36 timer

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$ cat /proc/asound/devices 
  2: [ 0- 3]: digital audio playback
  3: [ 0- 7]: digital audio playback
  4: [ 0- 0]: hardware dependent
  5: [ 0]   : control
  6: [ 1- 0]: digital audio playback
  7: [ 1- 0]: digital audio capture
  8: [ 1- 1]: digital audio playback
  9: [ 1- 2]: digital audio capture
 10: [ 1- 0]: hardware dependent
 11: [ 1]   : control
 33:        : timer

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$ cat /sys/class/sound/card*/id
Generic
Generic_1

[NeddySeagoon]

megalodon,

You have two sound cards, one on the video card that drives HDMI/DP sound to your display and one on the motherboard that drives your analogue output.

From /proc/asound/devices, your video card is the default output card.
Which card do you want to use by default?

What does

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alsamixer -c1

show?

Pulseaudio is a wrapper around alsa. I don't use it but being a wrapper it can't work until the thing it wraps works.

I also noted now that $ aplay -l != # aplay -l

Is your normal user in the audio group?

Only root and audio group members have access to the sound hardware.

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$ ls /dev/snd -l
total 0
crw-rw---- 1 root audio 116,  7 Nov  6 18:14 controlC0
crw-rw---- 1 root audio 116, 12 Nov  6 18:14 controlC1
crw-rw---- 1 root audio 116, 15 Nov 19 14:35 controlC2
...

[megalodon]

Solved!

Is your normal user in the audio group?
Only root and audio group members have access to the sound hardware.

No, shame on me
I think this was the last step

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# useradd -a -G audio my_username

Which card do you want to use by default?

I want to use the analog output, which is now selected by default.

What does

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alsamixer -c1

show?

Now it show a dozen of controllers, and is working great as far as I tested.

Thanks man, you deserve a medal