Ubuntu 20.04.3
Generally sound workes in my system. In web browsers, system etc. But not (only) in "testing speakers" option in Gnome Settings.
It (testing sound) worked till yesterday but today stoped.
What whould be the cause?
My system:
Laptop Dell Latitude 5511
$ uname -srv
Linux 5.13.0-28-generic #31~20.04.1-Ubuntu SMP Wed Jan 19 14:08:10 UTC 2022
$ sudo lspci -vv | grep -i audio
00:1f.3 Audio device: Intel Corporation Comet Lake PCH cAVS (prog-if 80)
$ sudo lshw -C multimedia
*-usb:3
description: Video
product: Integrated_Webcam_HD
vendor: CN0V976R8LG000CPB2XRA01
physical id: b
bus info: usb@1:b
version: 82.56
serial: 200901010001
capabilities: usb-2.01
configuration: driver=uvcvideo maxpower=500mA speed=480Mbit/s
*-multimedia
description: Audio device
product: Comet Lake PCH cAVS
vendor: Intel Corporation
physical id: 1f.3
bus info: pci@0000:00:1f.3
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm msi bus_master cap_list
configuration: driver=snd_hda_intel latency=32
resources: irq:178 memory:cc338000-cc33bfff memory:cc000000-cc0fffff
$ pactl info
Server String: /run/user/1000/pulse/native
Library Protocol Version: 33
Server Protocol Version: 33
Is Local: yes
Client Index: 45
Tile Size: 65472
User Name: krzysiek
Host Name: myhost
Server Name: pulseaudio
Server Version: 13.99.1
Default Sample Specification: s16le 2ch 44100Hz
Default Channel Map: front-left,front-right
Default Sink: alsa_output.pci-0000_00_1f.3.hdmi-stereo-extra2
Default Source: alsa_input.pci-0000_00_1f.3.analog-stereo
Cookie: 35e8:aae4
$ pactl list short
0 module-device-restore
1 module-stream-restore
2 module-card-restore
3 module-augment-properties
4 module-switch-on-port-available
5 module-switch-on-connect
6 module-udev-detect
7 module-alsa-card device_id="0" name="pci-0000_00_1f.3" card_name="alsa_card.pci-0000_00_1f.3" namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no deferred_volume=yes use_ucm=yes avoid_resampling=no card_properties="module-udev-detect.discovered=1"
8 module-bluetooth-policy
9 module-bluetooth-discover
10 module-bluez5-discover
11 module-native-protocol-unix
12 module-default-device-restore
13 module-always-sink
14 module-intended-roles
15 module-suspend-on-idle
16 module-console-kit
17 module-systemd-login
18 module-position-event-sounds
19 module-role-cork
20 module-snap-policy
21 module-filter-heuristics
22 module-filter-apply
23 module-x11-publish display=:0 xauthority=/run/user/1000/gdm/Xauthority
24 module-x11-cork-request display=:0 xauthority=/run/user/1000/gdm/Xauthority
25 module-x11-xsmp display=:0 xauthority=/run/user/1000/gdm/Xauthority session_manager=local/aps00090646-mb.poland.asseco.corp:@/tmp/.ICE-unix/4554,unix/aps00090646-mb.poland.asseco.corp:/tmp/.ICE-unix/4554
2 alsa_output.pci-0000_00_1f.3.hdmi-stereo-extra2 module-alsa-card.c s16le 2ch 44100Hz SUSPENDED
1 alsa_input.pci-0000_00_1f.3.analog-stereo module-alsa-card.c s16le 2ch 44100Hz RUNNING
3 alsa_output.pci-0000_00_1f.3.hdmi-stereo-extra2.monitor module-alsa-card.c s16le 2ch 44100Hz SUSPENDED
1 1 10 protocol-native.c float32le 1ch 25Hz
0 module-systemd-login.c (null)
4 module-x11-xsmp.c (null)
5 protocol-native.c gnome-shell
6 protocol-native.c gsd-media-keys
10 protocol-native.c gnome-control-center
41 protocol-native.c msedge
46 protocol-native.c pactl
0 alsa_card.pci-0000_00_1f.3 module-alsa-card.c
