System:
/:-------------:\ joe@ec.ibm.com
:-------------------:: OS: Fedora
:-----------/shhOHbmp---:\ Kernel: x86_64 Linux 5.11.17-300.fc34.x86_64
/-----------omMMMNNNMMD ---: Uptime: 2h 54m
:-----------sMMMMNMNMP. ---: Packages: 1842
:-----------:MMMdP------- ---\ Shell: pkcommand-not-found
,------------:MMMd-------- ---: Resolution: 1920x1080
:------------:MMMd------- .---: DE: GNOME 40.0
:---- oNMMMMMMMMMNho .----: WM: Mutter
:-- .+shhhMMMmhhy++ .------/ WM Theme:
:- -------:MMMd--------------: GTK Theme: Adwaita [GTK2/3]
:- --------/MMMd-------------; Icon Theme: Adwaita
:- ------/hMMMy------------: Font: Cantarell 11
:-- :dMNdhhdNMMNo------------; Disk: 27G / 143G (19%)
:---:sdNMMMMNds:------------: CPU: Intel Core i5-4430 @ 4x 3.2GHz [48.0°C]
:------:://:-------------:: GPU: NVD9
:---------------------:// RAM: 8361MiB / 15794MiB
Audio:
[joe@ec ~]$ inxi -A
Audio: Device-1: Intel 8 Series/C220 Series High Definition Audio driver: snd_hda_intel
Device-2: NVIDIA GF119 HDMI Audio driver: snd_hda_intel
Sound Server-1: ALSA v: k5.11.17-300.fc34.x86_64 running: yes
Sound Server-2: PipeWire v: 0.3.27 running: yes
[joe@ec ~]$ pactl info
Server String: /run/user/1000/pulse/native
Library Protocol Version: 34
Server Protocol Version: 35
Is Local: yes
Client Index: 42
Tile Size: 65472
User Name: joe
Host Name: ec.ibm.com
Server Name: PulseAudio (on PipeWire 0.3.27)
Server Version: 14.0.0
Default Sample Specification: float32le 2ch 48000Hz
Default Channel Map: front-left,front-right
Default Sink: @DEFAULT_SINK@
Default Source: @DEFAULT_SOURCE@
Cookie: 3829:55da
installed packages
joe@ec ~]$ dnf list pipewire\* --installed
Installed Packages
pipewire.x86_64 0.3.27-1.fc34 @updates
pipewire-alsa.x86_64 0.3.27-1.fc34 @updates
pipewire-gstreamer.x86_64 0.3.27-1.fc34 @updates
pipewire-jack-audio-connection-kit.x86_64 0.3.27-1.fc34 @updates
pipewire-libs.x86_64 0.3.27-1.fc34 @updates
pipewire-utils.x86_64 0.3.27-1.fc34 @updates
pipewire0.2-libs.x86_64 0.2.7-5.fc34 @anaconda
[joe@ec ~]$
ALSACTL
[joe@ec ~]$ alsactl init
alsa-lib parser.c:260:(error_node) UCM is not supported for this HDA model (HDA Intel PCH at 0xf7130000 irq 31)
alsa-lib main.c:1014:(snd_use_case_mgr_open) error: failed to import hw:0 use case configuration -6
Found hardware: "HDA-Intel" "Realtek ALC892" "HDA:10ec0892,8086204a,00100302" "0x8086" "0x204a"
Hardware is initialized using a generic method
alsa-lib parser.c:260:(error_node) UCM is not supported for this HDA model (HDA NVidia at 0xf7080000 irq 17)
alsa-lib main.c:1014:(snd_use_case_mgr_open) error: failed to import hw:1 use case configuration -6
Found hardware: "HDA-Intel" "Nvidia GPU 1c HDMI/DP" "HDA:10de001c,10438411,00100100" "0x1043" "0x8411"
Hardware is initialized using a generic method
PIPEWIRE y ALSA
[joe@ec ~]$ systemctl status pipewire.service
Unit pipewire.service could not be found.
[joe@ec ~]$ systemctl status alsa-state.service
â—Ź alsa-state.service - Manage Sound Card State (restore and store)
Loaded: loaded (/usr/lib/systemd/system/alsa-state.service; static)
Active: active (running) since Sat 2021-05-08 10:19:32 -05; 3h 11min ago
Main PID: 1644 (alsactl)
Tasks: 1 (limit: 18909)
Memory: 436.0K
CPU: 16ms
CGroup: /system.slice/alsa-state.service
└─1644 /usr/sbin/alsactl -s -n 19 -c -E ALSA_CONFIG_PATH=/etc/alsa/alsactl.conf --initfile=/lib/alsa/init/00main rdaemon
May 08 10:19:32 ec.ibm.com alsactl[1644]: alsactl 1.2.4 daemon started
May 08 10:19:32 ec.ibm.com systemd[1]: Started Manage Sound Card State (restore and store).
[joe@ec ~]$
No vloume icon in the top bar
No output device
It is the second time of the same problem, in both cases i was working with a vm(centos 8 stream) in gnome-boxes , the exact moment when the audio was lost i did not notice.
The quick solution is log out and log in, or restart the system.
Will there be a solution to fix the problem without logout or restart?