Public bug reported:
After apt update Ubuntu 26.04 my laptop lost sound. Sound devices
dissapeared from the System Settings. I guess that the bug can be
ralated to Linux Kernel 6.19.
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: pulseaudio 1:17.0+dfsg1-2ubuntu4
ProcVersionSignature: Ubuntu 6.19.0-6.6-generic 6.19.2
Uname: Linux 6.19.0-6-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.33.1-0ubuntu3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: denplusplus 17217 F.... wireplumber
/dev/snd/seq: denplusplus 17215 F.... pipewire
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Thu Mar 5 18:47:00 2026
InstallationDate: Installed on 2025-08-21 (196 days ago)
InstallationMedia: Ubuntu 24.04.2 LTS "Noble Numbat" - Release amd64 (20250215)
MachineType: Dell Inc. Precision 5510
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
SourcePackage: pulseaudio
Symptom: audio
UpgradeStatus: Upgraded to resolute on 2025-10-26 (130 days ago)
dmi.bios.date: 07/24/2017
dmi.bios.release: 1.2
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.2.29
dmi.board.name: 0WVDX2
dmi.board.vendor: Dell Inc.
dmi.board.version: A03
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr1.2.29:bd07/24/2017:br1.2:svnDellInc.:pnPrecision5510:pvr:rvnDellInc.:rn0WVDX2:rvrA03:cvnDellInc.:ct9:cvr:sku06E5:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: Precision 5510
dmi.product.sku: 06E5
dmi.sys.vendor: Dell Inc.
modified.conffile..etc.dbus-1.system.d.pulseaudio-system.conf: [deleted]
** Affects: pulseaudio (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resolute wayland-session
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https://bugs.launchpad.net/bugs/2143375
Title:
After apt update Ubuntu 26.04 my laptop lost sound
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