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produnis

Member

From: Germany

Registered: 2014-09-29

Posts: 50

Internal audio missing in PulseAudio

Hi there,
my problem is that my internal audio stopped working. In pavucontrol, internal audio is missing.
My USB Devices (Headset, USB-Micro) are still working....

inxi -Fz

says:

Audio:
  Device-1: Intel Cannon Lake PCH cAVS driver: snd_hda_intel 
  Device-2: NVIDIA GK104 HDMI Audio driver: snd_hda_intel 
  Device-3: C-Media CM108 Audio Controller type: USB 
  driver: hid-generic,snd-usb-audio,usbhid 
  Device-4: Logitech Webcam C310 type: USB driver: snd-usb-audio,uvcvideo 
  Device-5: Logitech Blue Microphones type: USB 
  driver: hid-generic,snd-usb-audio,usbhid 
  Sound Server-1: ALSA v: k5.14.8-arch1-1 running: yes 
  Sound Server-2: PulseAudio v: 15.0 running: yes 

In alsamixer, I can select the PCH-card, but with

aplay -l

only HDMI but no PCH card is detected:

11:13:51|produnis@Elrond:~$ aplay -l
**** Liste der Hardware-Geräte (PLAYBACK) ****
Karte 1: NVidia [HDA NVidia], Gerät 3: HDMI 0 [HDMI 0]
  Sub-Geräte: 1/1
  Sub-Gerät #0: subdevice #0
Karte 1: NVidia [HDA NVidia], Gerät 7: HDMI 1 [HDMI 1]
  Sub-Geräte: 1/1
  Sub-Gerät #0: subdevice #0
Karte 1: NVidia [HDA NVidia], Gerät 8: HDMI 2 [HDMI 2]
  Sub-Geräte: 1/1
  Sub-Gerät #0: subdevice #0
Karte 1: NVidia [HDA NVidia], Gerät 9: HDMI 3 [HDMI 3]
  Sub-Geräte: 1/1
  Sub-Gerät #0: subdevice #0
Karte 1: NVidia [HDA NVidia], Gerät 10: HDMI 4 [HDMI 4]
  Sub-Geräte: 1/1
  Sub-Gerät #0: subdevice #0
Karte 1: NVidia [HDA NVidia], Gerät 11: HDMI 5 [HDMI 5]
  Sub-Geräte: 1/1
  Sub-Gerät #0: subdevice #0
Karte 1: NVidia [HDA NVidia], Gerät 12: HDMI 6 [HDMI 6]
  Sub-Geräte: 1/1
  Sub-Gerät #0: subdevice #0
Karte 2: Device [USB PnP Sound Device], Gerät 0: USB Audio [USB Audio]
  Sub-Geräte: 0/1
  Sub-Gerät #0: subdevice #0
Karte 4: Microphones [Blue Microphones], Gerät 0: USB Audio [USB Audio]
  Sub-Geräte: 0/1
  Sub-Gerät #0: subdevice #0

11:15:45|produnis@Elrond:~$ uname -a
Linux Elrond 5.14.8-arch1-1 #1 SMP PREEMPT Sun, 26 Sep 2021 19:36:15 +0000 x86_64 GNU/Linux

So, is there anything I could do?
thx in advance

Joe

V1del

Forum Moderator

Registered: 2012-10-16

Posts: 21,665

Re: Internal audio missing in PulseAudio

Pulseaudio can do nothing if ALSA can't see the internal device. Did you ever attempt to do any ALSA configuration? What output do you get for

sudo dmesg | grep -iE 'snd|sof'

do you have a time frame of when this issue appeared was it a specific kernel or software update? Under certain circumstances there could be a conflict with the HDMI and the internal device

produnis

Member

From: Germany

Registered: 2014-09-29

Posts: 50

Re: Internal audio missing in PulseAudio

Hi there,

sudo dmesg | grep -iE 'snd|sof'

gives back an empty line....

The problem occured last week, I tried to downgrade Pulseaudio, but it did not bring back my internal audio.

I also have the lts-kernel, but it does not solve my problem either....

V1del

Forum Moderator

Registered: 2012-10-16

Posts: 21,665

Re: Internal audio missing in PulseAudio

Is your dmesg buffer overflowing? That should at the minimum give you information about the detected devices. Try a

sudo journalctl -k | grep -iE 'snd|sof'

instead.

produnis

Member

From: Germany

Registered: 2014-09-29

Posts: 50

Re: Internal audio missing in PulseAudio

thx for your answer, the command gives

Okt 01 08:07:18 Elrond kernel: pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
Okt 01 08:07:18 Elrond kernel: PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
Okt 01 08:07:18 Elrond kernel: software IO TLB: mapped [mem 0x0000000093c90000-0x0000000097c90000] (64MB)
Okt 01 08:07:19 Elrond kernel: snd_hda_intel 0000:00:1f.3: enabling device (0000 -> 0002)
Okt 01 08:07:19 Elrond kernel: snd_hda_intel 0000:01:00.1: Disabling MSI
Okt 01 08:07:19 Elrond kernel: snd_hda_intel 0000:01:00.1: Handle vga_switcheroo audio client
Okt 01 08:07:19 Elrond kernel: snd_hda_intel 0000:00:1f.3: Unknown capability 0
Okt 01 08:07:19 Elrond kernel: snd_hda_intel 0000:00:1f.3: CORB reset timeout#1, CORBRP = 0
Okt 01 08:07:19 Elrond kernel: snd_hda_intel 0000:00:1f.3: no codecs found!
Okt 01 08:07:21 Elrond kernel: usbcore: registered new interface driver snd-usb-audio

produnis

Member

From: Germany

Registered: 2014-09-29

Posts: 50

Re: Internal audio missing in PulseAudio

as far as I understand, the "no codecs found" seems to be the culprit. Searching for this, I think I'll have to wait for a new kernel.... or?