Leap 15.6: no sound + yast sound module hangs

C.Able · October 2, 2024, 5:29pm

Hi,
within leap 15.5 my sound worked fine up to the new-installation of 15.6. Sound was not longer heard, then. Trying to generate sound, eg. by means of vlc media player +and clicking the kde-volume-symbol I see a line for vlc and the obviously variing volume of the playing sound, but it does not reach the output-socket or the sound amplifier behind. Apparently sound is playing, but no signal reaches the output alive.

Checking my sound-configuration in yast => sound module I see available sound cards, but not configured. Arbitrary of the choice of the first soundcard, yast hangs for hours, without ending the configuration process or giving any hint /error message.

I checked my installation-media [“ok”] and re-installed leap 15.6 => leading to the same problem again.

Several checks + their results:

> inxi -Aa
Audio:
  Device-1: AMD SBx00 Azalia vendor: ASUSTeK M5A78L LE driver: snd_hda_intel
    v: kernel bus-ID: 00:14.2 chip-ID: 1002:4383 class-ID: 0403
  Device-2: AMD Cedar HDMI Audio [Radeon HD 5400/6300/7300 Series]
    vendor: Micro-Star MSI driver: snd_hda_intel v: kernel pcie: gen: 2
    speed: 5 GT/s lanes: 16 bus-ID: 01:00.1 chip-ID: 1002:aa68 class-ID: 0403
  Device-3: VIA ICE1712 [Envy24] PCI Multi-Channel I/O driver: snd_ice1712
    v: kernel bus-ID: 03:06.0 chip-ID: 1412:1712 class-ID: 0401
  API: ALSA v: k6.4.0-150600.23.22-default status: kernel-api with: aoss
    type: oss-emulator tools: alsactl,alsamixer,amixer
  Server-1: PipeWire v: 1.0.5 status: off with: wireplumber status: active
    tools: pw-cat,pw-cli,wpctl
  Server-2: PulseAudio v: 17.0 status: active with: pulseaudio-alsa
    type: plugin tools: pacat,pactl,pavucontrol

> pactl list cards
Karte #0
        Name: alsa_card.pci-0000_01_00.1
        Treiber: module-alsa-card.c
        Owner-Modul: 6
        Eigenschaften:
                alsa.card = "1"
                alsa.card_name = "HDA ATI HDMI"
                alsa.long_card_name = "HDA ATI HDMI at 0xfebf8000 irq 28"
                alsa.driver_name = "snd_hda_intel"
                device.bus_path = "pci-0000:01:00.1"
                sysfs.path = "/devices/pci0000:00/0000:00:02.0/0000:01:00.1/sound/card1"
                device.bus = "pci"
                device.vendor.id = "1002"
                device.vendor.name = "Advanced Micro Devices, Inc. [AMD/ATI]"
                device.product.id = "aa68"
                device.product.name = "Cedar HDMI Audio [Radeon HD 5400/6300/7300 Series]"
                device.string = "1"
                device.description = "Cedar HDMI Audio [Radeon HD 5400/6300/7300 Series]"
                module-udev-detect.discovered = "1"
                device.icon_name = "audio-card-pci"
        Profile:
                output:hdmi-stereo: Digital Stereo (HDMI)-Ausgabe (Ziele: 1, Quellen: 0, Priorität: 5900, verfügbar: nein)
                output:hdmi-surround: Digital Surround 5.1 (HDMI)-Ausgabe (Ziele: 1, Quellen: 0, Priorität: 800, verfügbar: nein)
                output:hdmi-surround71: Digital Surround 7.1 (HDMI)-Ausgabe (Ziele: 1, Quellen: 0, Priorität: 800, verfügbar: nein)
                off: Aus (Ziele: 0, Quellen: 0, Priorität: 0, verfügbar: ja)
        Aktives Profil: off
        Ports:
                hdmi-output-0: HDMI / DisplayPort (Typ: HDMI, Priorität: 5900, Latenzversatz: 0 usec, nicht verfügbar)
                        Eigenschaften:
                                device.icon_name = "video-display"
                        Teil der/des Profil(s): output:hdmi-stereo, output:hdmi-surround, output:hdmi-surround71

Karte #1
        Name: alsa_card.pci-0000_00_14.2
        Treiber: module-alsa-card.c
        Owner-Modul: 7
        Eigenschaften:
                alsa.card = "0"
                alsa.card_name = "HDA ATI SB"
                alsa.long_card_name = "HDA ATI SB at 0xfeaf4000 irq 16"
                alsa.driver_name = "snd_hda_intel"
                device.bus_path = "pci-0000:00:14.2"
                sysfs.path = "/devices/pci0000:00/0000:00:14.2/sound/card0"
                device.bus = "pci"
                device.vendor.id = "1002"
                device.vendor.name = "Advanced Micro Devices, Inc. [AMD/ATI]"
                device.product.id = "4383"
                device.product.name = "SBx00 Azalia (Intel HDA) (M5A78L LE)"
                device.form_factor = "internal"
                device.string = "0"
                device.description = "Internes Audio"
                module-udev-detect.discovered = "1"
                device.icon_name = "audio-card-pci"
        Profile:
                input:analog-stereo: Analog Stereo-Eingabe (Ziele: 0, Quellen: 1, Priorität: 65, verfügbar: nein)
                output:analog-stereo: Analog Stereo-Ausgabe (Ziele: 1, Quellen: 0, Priorität: 6500, verfügbar: nein)
                output:analog-stereo+input:analog-stereo: Analog Stereo Duplex (Ziele: 1, Quellen: 1, Priorität: 6565, verfügbar: nein)
                output:iec958-stereo: Digital Stereo (IEC958)-Ausgabe (Ziele: 1, Quellen: 0, Priorität: 38268, verfügbar: ja)
                output:iec958-stereo+input:analog-stereo: Digital Stereo (IEC958)-Ausgabe + Analog Stereo-Eingabe (Ziele: 1, Quellen: 1, Priorität: 5565, verfügbar: ja)
                off: Aus (Ziele: 0, Quellen: 0, Priorität: 0, verfügbar: ja)
        Aktives Profil: output:iec958-stereo
        Ports:
                analog-input-front-mic: Vorderes Mikrofon (Typ: Mikro, Priorität: 8500, Latenzversatz: 0 usec, nicht verfügbar)
                        Eigenschaften:
                                device.icon_name = "audio-input-microphone"
                        Teil der/des Profil(s): input:analog-stereo, output:analog-stereo+input:analog-stereo, output:iec958-stereo+input:analog-stereo
                analog-input-rear-mic: Rückwärtiges Mikrofon (Typ: Mikro, Priorität: 8200, Latenzversatz: 0 usec, nicht verfügbar)
                        Eigenschaften:
                                device.icon_name = "audio-input-microphone"
                        Teil der/des Profil(s): input:analog-stereo, output:analog-stereo+input:analog-stereo, output:iec958-stereo+input:analog-stereo
                analog-input-linein: Line-Eingang (Typ: Line, Priorität: 8100, Latenzversatz: 0 usec, nicht verfügbar)
                        Teil der/des Profil(s): input:analog-stereo, output:analog-stereo+input:analog-stereo, output:iec958-stereo+input:analog-stereo
                analog-output-lineout: Line-Ausgang (Typ: Line, Priorität: 9000, Latenzversatz: 0 usec, nicht verfügbar)
                        Teil der/des Profil(s): output:analog-stereo, output:analog-stereo+input:analog-stereo
                analog-output-headphones: Kopfhörer (Typ: Kopfhörer, Priorität: 9900, Latenzversatz: 0 usec, nicht verfügbar)
                        Eigenschaften:
                                device.icon_name = "audio-headphones"
                        Teil der/des Profil(s): output:analog-stereo, output:analog-stereo+input:analog-stereo
                iec958-stereo-output: Digitalausgang (S/PDIF) (Typ: SPDIF, Priorität: 0, Latenzversatz: 0 usec, Verfügbarkeit unbekannt)
                        Teil der/des Profil(s): output:iec958-stereo, output:iec958-stereo+input:analog-stereo

Karte #2
        Name: alsa_card.pci-0000_03_06.0
        Treiber: module-alsa-card.c
        Owner-Modul: 8
        Eigenschaften:
                alsa.card = "2"
                alsa.card_name = "M Audio Audiophile 24/96"
                alsa.long_card_name = "M Audio Audiophile 24/96 at 0xec00, irq 21"
                alsa.driver_name = "snd_ice1712"
                device.bus_path = "pci-0000:03:06.0"
                sysfs.path = "/devices/pci0000:00/0000:00:14.4/0000:03:06.0/sound/card2"
                device.bus = "pci"
                device.vendor.id = "1412"
                device.vendor.name = "VIA Technologies Inc."
                device.product.id = "1712"
                device.product.name = "ICE1712 [Envy24] PCI Multi-Channel I/O Controller (M-Audio Delta Audiophile 2496)"
                device.string = "2"
                device.description = "ICE1712 [Envy24] PCI Multi-Channel I/O Controller (M-Audio Delta Audiophile 2496)"
                module-udev-detect.discovered = "1"
                device.icon_name = "audio-card-pci"
        Profile:
                input:analog-stereo: Analog Stereo-Eingabe (Ziele: 0, Quellen: 1, Priorität: 65, verfügbar: ja)
                input:iec958-stereo: Digital Stereo (IEC958)-Eingabe (Ziele: 0, Quellen: 1, Priorität: 55, verfügbar: ja)
                output:analog-stereo: Analog Stereo-Ausgabe (Ziele: 1, Quellen: 0, Priorität: 6500, verfügbar: ja)
                output:analog-stereo+input:analog-stereo: Analog Stereo Duplex (Ziele: 1, Quellen: 1, Priorität: 6565, verfügbar: ja)
                output:analog-stereo+input:iec958-stereo: Analog Stereo-Ausgabe + Digital Stereo (IEC958)-Eingabe (Ziele: 1, Quellen: 1, Priorität: 6555, verfügbar: ja)
                output:analog-surround-21: Analog Surround 2.1-Ausgabe (Ziele: 1, Quellen: 0, Priorität: 1300, verfügbar: ja)
                output:analog-surround-21+input:analog-stereo: Analog Surround 2.1-Ausgabe + Analog Stereo-Eingabe (Ziele: 1, Quellen: 1, Priorität: 1365, verfügbar: ja)
                output:analog-surround-21+input:iec958-stereo: Analog Surround 2.1-Ausgabe + Digital Stereo (IEC958)-Eingabe (Ziele: 1, Quellen: 1, Priorität: 1355, verfügbar: ja)
                output:analog-surround-40: Analog Surround 4.0-Ausgabe (Ziele: 1, Quellen: 0, Priorität: 1200, verfügbar: ja)
                output:analog-surround-40+input:analog-stereo: Analog Surround 4.0-Ausgabe + Analog Stereo-Eingabe (Ziele: 1, Quellen: 1, Priorität: 1265, verfügbar: ja)
                output:analog-surround-40+input:iec958-stereo: Analog Surround 4.0-Ausgabe + Digital Stereo (IEC958)-Eingabe (Ziele: 1, Quellen: 1, Priorität: 1255, verfügbar: ja)
                output:analog-surround-41: Analog Surround 4.1-Ausgabe (Ziele: 1, Quellen: 0, Priorität: 1300, verfügbar: ja)
                output:analog-surround-41+input:analog-stereo: Analog Surround 4.1-Ausgabe + Analog Stereo-Eingabe (Ziele: 1, Quellen: 1, Priorität: 1365, verfügbar: ja)
                output:analog-surround-41+input:iec958-stereo: Analog Surround 4.1-Ausgabe + Digital Stereo (IEC958)-Eingabe (Ziele: 1, Quellen: 1, Priorität: 1355, verfügbar: ja)
                output:analog-surround-50: Analog Surround 5.0-Ausgabe (Ziele: 1, Quellen: 0, Priorität: 1200, verfügbar: ja)
                output:analog-surround-50+input:analog-stereo: Analog Surround 5.0-Ausgabe + Analog Stereo-Eingabe (Ziele: 1, Quellen: 1, Priorität: 1265, verfügbar: ja)
                output:analog-surround-50+input:iec958-stereo: Analog Surround 5.0-Ausgabe + Digital Stereo (IEC958)-Eingabe (Ziele: 1, Quellen: 1, Priorität: 1255, verfügbar: ja)
                output:analog-surround-51: Analog Surround 5.1-Ausgabe (Ziele: 1, Quellen: 0, Priorität: 1300, verfügbar: ja)
                output:analog-surround-51+input:analog-stereo: Analog Surround 5.1-Ausgabe + Analog Stereo-Eingabe (Ziele: 1, Quellen: 1, Priorität: 1365, verfügbar: ja)
                output:analog-surround-51+input:iec958-stereo: Analog Surround 5.1-Ausgabe + Digital Stereo (IEC958)-Eingabe (Ziele: 1, Quellen: 1, Priorität: 1355, verfügbar: ja)
                output:analog-surround-71: Analog Surround 7.1-Ausgabe (Ziele: 1, Quellen: 0, Priorität: 1200, verfügbar: ja)
                output:analog-surround-71+input:analog-stereo: Analog Surround 7.1-Ausgabe + Analog Stereo-Eingabe (Ziele: 1, Quellen: 1, Priorität: 1265, verfügbar: ja)
                output:analog-surround-71+input:iec958-stereo: Analog Surround 7.1-Ausgabe + Digital Stereo (IEC958)-Eingabe (Ziele: 1, Quellen: 1, Priorität: 1255, verfügbar: ja)
                output:iec958-stereo: Digital Stereo (IEC958)-Ausgabe (Ziele: 1, Quellen: 0, Priorität: 5500, verfügbar: ja)
                output:iec958-stereo+input:analog-stereo: Digital Stereo (IEC958)-Ausgabe + Analog Stereo-Eingabe (Ziele: 1, Quellen: 1, Priorität: 5565, verfügbar: ja)
                output:iec958-stereo+input:iec958-stereo: Digital Stereo Duplex (IEC958) (Ziele: 1, Quellen: 1, Priorität: 5555, verfügbar: ja)
                off: Aus (Ziele: 0, Quellen: 0, Priorität: 0, verfügbar: ja)
        Aktives Profil: output:analog-stereo+input:analog-stereo
        Ports:
                analog-input: Analoger Eingang (Typ: Analog, Priorität: 10000, Latenzversatz: 0 usec, Verfügbarkeit unbekannt)
                        Teil der/des Profil(s): input:analog-stereo, output:analog-stereo+input:analog-stereo, output:analog-surround-21+input:analog-stereo, output:analog-surround-40+input:analog-stereo, output:analog-surround-41+input:analog-stereo, output:analog-surround-50+input:analog-stereo, output:analog-surround-51+input:analog-stereo, output:analog-surround-71+input:analog-stereo, output:iec958-stereo+input:analog-stereo
                iec958-stereo-input: Digitaleingang (S/PDIF) (Typ: SPDIF, Priorität: 0, Latenzversatz: 0 usec, Verfügbarkeit unbekannt)
                        Teil der/des Profil(s): input:iec958-stereo, output:analog-stereo+input:iec958-stereo, output:analog-surround-21+input:iec958-stereo, output:analog-surround-40+input:iec958-stereo, output:analog-surround-41+input:iec958-stereo, output:analog-surround-50+input:iec958-stereo, output:analog-surround-51+input:iec958-stereo, output:analog-surround-71+input:iec958-stereo, output:iec958-stereo+input:iec958-stereo
                analog-output: Analoge Ausgabe (Typ: Analog, Priorität: 9900, Latenzversatz: 0 usec, Verfügbarkeit unbekannt)
                        Teil der/des Profil(s): output:analog-stereo, output:analog-stereo+input:analog-stereo, output:analog-stereo+input:iec958-stereo, output:analog-surround-21, output:analog-surround-21+input:analog-stereo, output:analog-surround-21+input:iec958-stereo, output:analog-surround-40, output:analog-surround-40+input:analog-stereo, output:analog-surround-40+input:iec958-stereo, output:analog-surround-41, output:analog-surround-41+input:analog-stereo, output:analog-surround-41+input:iec958-stereo, output:analog-surround-50, output:analog-surround-50+input:analog-stereo, output:analog-surround-50+input:iec958-stereo, output:analog-surround-51, output:analog-surround-51+input:analog-stereo, output:analog-surround-51+input:iec958-stereo, output:analog-surround-71, output:analog-surround-71+input:analog-stereo, output:analog-surround-71+input:iec958-stereo
                iec958-stereo-output: Digitalausgang (S/PDIF) (Typ: SPDIF, Priorität: 0, Latenzversatz: 0 usec, Verfügbarkeit unbekannt)
                        Teil der/des Profil(s): output:iec958-stereo, output:iec958-stereo+input:analog-stereo, output:iec958-stereo+input:iec958-stereo

dmesg | egrep -i "snd|firmware"
[   22.487444] snd_hda_intel 0000:01:00.1: bound 0000:01:00.0 (ops radeon_audio_component_bind_ops [radeon])
[   22.780399] snd_hda_codec_realtek hdaudioC0D0: autoconfig for ALC887-VD: line_outs=1 (0x14/0x0/0x0/0x0/0x0) type:line
[   22.780418] snd_hda_codec_realtek hdaudioC0D0:    speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
[   22.780421] snd_hda_codec_realtek hdaudioC0D0:    hp_outs=1 (0x1b/0x0/0x0/0x0/0x0)
[   22.780423] snd_hda_codec_realtek hdaudioC0D0:    mono: mono_out=0x0
[   22.780425] snd_hda_codec_realtek hdaudioC0D0:    dig-out=0x11/0x0
[   22.780426] snd_hda_codec_realtek hdaudioC0D0:    inputs:
[   22.780428] snd_hda_codec_realtek hdaudioC0D0:      Front Mic=0x19
[   22.780430] snd_hda_codec_realtek hdaudioC0D0:      Rear Mic=0x18
[   22.780431] snd_hda_codec_realtek hdaudioC0D0:      Line=0x1a
[ 4088.102623] Modules linked in: af_packet nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_tables ebtable_nat ebtable_broute ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_raw iptable_security ip_set rfkill nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter bpfilter qrtr(n) snd_seq_midi snd_seq_midi_event snd_seq ext4 crc16 mbcache jbd2 snd_ice1712(n) snd_cs8427(n) snd_hda_codec_realtek snd_i2c(n) snd_ice17xx_ak4xxx(n) snd_hda_codec_generic snd_ak4xxx_adda(n) snd_hda_codec_hdmi snd_ac97_codec snd_hda_intel snd_intel_dspcfg ac97_bus snd_intel_sdw_acpi snd_hda_codec snd_mpu401_uart snd_hda_core snd_rawmidi snd_hwdep snd_seq_device snd_pcm r8169 ppdev snd_timer parport_pc snd realtek soundcore mdio_devres pcspkr acpi_cpufreq edac_mce_amd libphy wmi_bmof k10temp parport asus_atk0110(n) i2c_piix4 tiny_power_button(n) button

Finally, one hint came from journald, but unfortunately I am not able to proceed with it:

journalctl -u alsa-restore.service 
Okt 02 13:00:20 localhost systemd[1]: Starting Save/Restore Sound Card State...
Okt 02 13:00:21 localhost alsactl[727]: alsa-lib main.c:1554:(snd_use_case_mgr_open) error: failed to import hw:2 use case configuration -2
Okt 02 13:00:21 localhost systemd[1]: Finished Save/Restore Sound Card State.

The same message is generated by

alsactl init
Found hardware: "HDA-Intel" "Realtek ALC887-VD" "HDA:10ec0887,10438445,00100302" "0x1043" "0x8445"
Hardware is initialized using a generic method
Found hardware: "HDA-Intel" "ATI R6xx HDMI" "HDA:1002aa01,00aa0100,00100200" "0x1462" "0xaa68"
Hardware is initialized using a generic method
alsa-lib main.c:1554:(snd_use_case_mgr_open) error: failed to import hw:2 use case configuration -2
Found hardware: "ICE1712" "ICE1712 - multitrack" "" "0x1412" "0xd634"
Hardware is initialized using a generic method

or

alsactl restore
alsa-lib main.c:1554:(snd_use_case_mgr_open) error: failed to import hw:2 use case configuration -2

Help would be appreciated.

deano_ferrari · October 3, 2024, 6:58am

Don’t try to use the yast sound utility for configuration - it is deprecated.

deano_ferrari · October 3, 2024, 7:09am

Have you tried using pavucontrol to select the desired configuration profile and output sink? You may need to install the package first.

I also note that you have both PipeWire and PulseAudio active concurrently. I recommend installing the ‘pipewire-pulseaudio’ package, which provides a PulseAudio wrapper for clients requiring such support. This will remove native PulseAudio in the process, leaving PipeWire and associated components to manage your sound. See if that makes a difference here.

C.Able · October 3, 2024, 3:14pm

Thank you for your answer. I did not know that yast sound module is deprecated --it is still part of standard installation.
I followed your suggestions, installed the ‘pipewire-pulseaudio’ package and ‘pipewire-libjack-0_3’ according to https://en.opensuse.org/openSUSE:Pipewire.
Pavucontrol is working normal without any error message, still pretending that sound works. But I don`t hear any sound, yet.

However the output of inxi -Aa has dropped pulseaudio + changed to

Audio:
  Device-1: AMD SBx00 Azalia vendor: ASUSTeK M5A78L LE driver: snd_hda_intel
    v: kernel bus-ID: 00:14.2 chip-ID: 1002:4383 class-ID: 0403
  Device-2: AMD Cedar HDMI Audio [Radeon HD 5400/6300/7300 Series]
    vendor: Micro-Star MSI driver: snd_hda_intel v: kernel pcie: gen: 2
    speed: 5 GT/s lanes: 16 bus-ID: 01:00.1 chip-ID: 1002:aa68 class-ID: 0403
  Device-3: VIA ICE1712 [Envy24] PCI Multi-Channel I/O driver: snd_ice1712
    v: kernel bus-ID: 03:06.0 chip-ID: 1412:1712 class-ID: 0401
  API: ALSA v: k6.4.0-150600.23.22-default status: kernel-api with: aoss
    type: oss-emulator tools: alsactl,alsamixer,amixer
  Server-1: PipeWire v: 1.0.5 status: active with: 1: pipewire-pulse
    status: active 2: wireplumber status: active 3: pw-jack type: plugin
    tools: pactl,pw-cat,pw-cli,wpctl

Installed packages are

zypper se -i pipewire
Repository-Daten werden geladen...
Installierte Pakete werden gelesen...

S  | Name                           | Summary                                                                  | Type
---+--------------------------------+--------------------------------------------------------------------------+------
i  | kpipewire-imports              | QtQuick bindings for kpipewire                                           | Paket
i  | libKPipeWire5                  | PipeWire integration for KDE Plasma - main library                       | Paket
i  | libKPipeWire5-lang             | Translations for package kpipewire                                       | Paket
i  | libKPipeWireDmaBuf5            | PipeWire integration for KDE Plasma - DMA-BUF support                    | Paket
i  | libKPipeWireRecord5            | PipeWire integration for KDE Plasma - recording support                  | Paket
i  | libpipewire-0_3-0              | A Multimedia Framework designed to be an audio and video server and more | Paket
i  | libpipewire-0_3-0-32bit        | A Multimedia Framework designed to be an audio and video server and more | Paket
i  | pipewire                       | A Multimedia Framework designed to be an audio and video server and more | Paket
i  | pipewire-alsa-32bit            | PipeWire media server ALSA support                                       | Paket
i  | pipewire-lang                  | Translations for package pipewire                                        | Paket
i+ | pipewire-libjack-0_3           | PipeWire libjack replacement libraries                                   | Paket
i  | pipewire-modules-0_3           | Modules For PipeWire, A Multimedia Framework                             | Paket
i  | pipewire-modules-0_3-32bit     | Modules For PipeWire, A Multimedia Framework                             | Paket
i+ | pipewire-pulseaudio            | PipeWire PulseAudio implementation                                       | Paket
i  | pipewire-spa-plugins-0_2       | Plugins For PipeWire SPA                                                 | Paket
i  | pipewire-spa-plugins-0_2-32bit | Plugins For PipeWire SPA                                                 | Paket
i  | pipewire-spa-tools             | The PipeWire SPA Tools                                                   | Paket
i+ | pipewire-tools                 | The PipeWire Tools                                                       | Paket

and

zypper se -i wireplumber
Repository-Daten werden geladen...
Installierte Pakete werden gelesen...

S  | Name                 | Summary                                              | Type
---+----------------------+------------------------------------------------------+------
i  | libwireplumber-0_5-0 | Session / policy manager implementation for PipeWire | Paket
i  | wireplumber          | Session / policy manager implementation for PipeWire | Paket
i  | wireplumber-audio    | Enable audio support in PipeWire / WirePlumber       | Paket
i  | wireplumber-lang     | Translations for package wireplumber                 | Paket

Pipewire or wireplumber also do not seem to complain:

systemctl --user status pipewire.service 
● pipewire.service - PipeWire Multimedia Service
     Loaded: loaded (/usr/lib/systemd/user/pipewire.service; enabled; preset: disabled)
     Active: active (running) since Thu 2024-10-03 13:49:43 CEST; 3h 17min ago
TriggeredBy: ● pipewire.socket
   Main PID: 1611 (pipewire)
      Tasks: 3 (limit: 4915)
        CPU: 7.162s
     CGroup: /user.slice/user-1001.slice/user@1001.service/session.slice/pipewire.service
             └─1611 /usr/bin/pipewire

systemctl --user status wireplumber.service 
● wireplumber.service - Multimedia Service Session Manager
     Loaded: loaded (/usr/lib/systemd/user/wireplumber.service; enabled; preset: enabled)
     Active: active (running) since Thu 2024-10-03 13:49:43 CEST; 3h 18min ago
   Main PID: 1612 (wireplumber)
      Tasks: 7 (limit: 4915)
        CPU: 2.805s
     CGroup: /user.slice/user-1001.slice/user@1001.service/session.slice/wireplumber.service
             └─1612 /usr/bin/wireplumber

Maybe my system has a problem on the alsa-level?

C.Able · October 3, 2024, 4:37pm

Yeah -'alsamixer ’ solved it: all volumes were preset to zero.
Poking in the dark did it at last & (I guess) a cleaner sound system pepared to run solely pipewire.

@deano_ferrari
Thank you for your advice!

system · October 10, 2024, 4:38pm

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