PulseAudio doesn't work when pipewire is installed (ie. KDE)
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
pipewire (Ubuntu) |
Fix Released
|
Medium
|
Unassigned |
Bug Description
No sound after login.
$ LC_ALL=C systemctl --user status pulseaudio.service
* pulseaudio.service - Sound Service
Loaded: loaded (/usr/lib/
Active: active (running) since Wed 2020-09-30 22:46:51 EEST; 8min ago
TriggeredBy: * pulseaudio.socket
Main PID: 1088 (pulseaudio)
CGroup: /user.slice/
|-1088 /usr/bin/pulseaudio --daemonize=no --log-target=
`-1126 /usr/libexec/
Sep 30 22:46:51 p5q3 systemd[1080]: Starting Sound Service...
Sep 30 22:46:51 p5q3 pulseaudio[1088]: No UCM verb is valid for hw:0
Sep 30 22:46:51 p5q3 systemd[1080]: Started Sound Service.
Sep 30 22:46:52 p5q3 pulseaudio[1088]: Failed to load module "module-alsa-card" (argument: "device_id="1" name="pci-
Sep 30 22:47:11 p5q3 pulseaudio[1088]: GetManagedObjects() failed: org.freedesktop
Workaround found: 'pulseaudio -k' seems solves the problem, sound appears and working well, but some errors still present:
$ LC_ALL=C systemctl --user status pulseaudio.service
* pulseaudio.service - Sound Service
Loaded: loaded (/usr/lib/
Active: active (running) since Wed 2020-09-30 22:55:49 EEST; 7min ago
TriggeredBy: * pulseaudio.socket
Main PID: 12198 (pulseaudio)
CGroup: /user.slice/
Sep 30 22:55:49 p5q3 systemd[1080]: Starting Sound Service...
Sep 30 22:55:49 p5q3 pulseaudio[12198]: No UCM verb is valid for hw:1
Sep 30 22:55:49 p5q3 pulseaudio[12198]: No UCM verb is valid for hw:0
Sep 30 22:55:49 p5q3 systemd[1080]: Started Sound Service.
Sep 30 22:56:14 p5q3 pulseaudio[12198]: GetManagedObjects() failed: org.freedesktop
ProblemType: Bug
DistroRelease: Ubuntu 20.10
Package: pulseaudio 1:13.99.1-1ubuntu11
Uname: Linux 5.8.12-
ApportVersion: 2.20.11-0ubuntu48
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/
/dev/snd/
/dev/snd/seq: eugene 1087 F.... pipewire
CasperMD5CheckR
CurrentDesktop: KDE
Date: Wed Sep 30 22:50:58 2020
InstallationDate: Installed on 2019-04-13 (536 days ago)
InstallationMedia: Kubuntu 19.04 "Disco Dingo" - Alpha amd64 (20190326.1)
ProcEnviron:
LANGUAGE=
PATH=(custom, no user)
XDG_RUNTIME_
LANG=uk_UA.UTF-8
SHELL=/bin/bash
SourcePackage: pulseaudio
UpgradeStatus: Upgraded to groovy on 2020-09-06 (23 days ago)
dmi.bios.date: 06/11/2010
dmi.bios.release: 11.2
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1102
dmi.board.
dmi.board.name: P5Q3
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.
dmi.modalias: dmi:bvnAmerican
dmi.product.family: To Be Filled By O.E.M.
dmi.product.name: System Product Name
dmi.product.sku: To Be Filled By O.E.M.
dmi.product.
dmi.sys.vendor: System manufacturer
description: | updated |
summary: |
- pulseaudio: Failed to load module "module-alsa-card" + pulseaudio: Failed to load module "module-alsa-card" (No UCM verb is + valid for hw:0) |
Changed in pulseaudio (Ubuntu): | |
status: | Incomplete → Confirmed |
It looks like 'pipewire' has stolen the audio devices so pulseaudio may not work properly. Please try uninstalling or reconfiguring 'pipewire'.