Public bug reported:
The problem occurs when the jack is connected, and the sound card
doesn't appear as active in the jack graphics tab.
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: alsa-base 1.0.25+dfsg-0ubuntu7
ProcVersionSignature: Ubuntu 6.8.0-111.111.1-lowlatency 6.8.12
Uname: Linux 6.8.0-111-lowlatency x86_64
ApportVersion: 2.28.1-0ubuntu3.8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC2: frk 5725 F.... wireplumber
/dev/snd/controlC0: frk 5725 F.... wireplumber
/dev/snd/controlC1: frk 5725 F.... wireplumber
/dev/snd/seq: frk 5720 F.... pipewire
CasperMD5CheckResult: pass
CurrentDesktop: KDE
Date: Thu May 7 14:06:53 2026
InstallationDate: Installed on 2025-10-16 (203 days ago)
InstallationMedia: Ubuntu 24.04.3 LTS "Noble Numbat" - Release amd64
(20250805.1)
MachineType: Micro-Star International Co., Ltd. MS-7C52
PackageArchitecture: all
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
SourcePackage: alsa-driver
Symptom: audio
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/30/2024
dmi.bios.release: 5.17
dmi.bios.vendor: American Megatrends International, LLC.
dmi.bios.version: 3.N2
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: B450M-A PRO MAX (MS-7C52)
dmi.board.vendor: Micro-Star International Co., Ltd.
dmi.board.version: 1.0
dmi.chassis.asset.tag: To be filled by O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: Micro-Star International Co., Ltd.
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInternational,LLC.:bvr3.N2:bd08/30/2024:br5.17:svnMicro-StarInternationalCo.,Ltd.:pnMS-7C52:pvr1.0:rvnMicro-StarInternationalCo.,Ltd.:rnB450M-APROMAX(MS-7C52):rvr1.0:cvnMicro-StarInternationalCo.,Ltd.:ct3:cvr1.0:skuTobefilledbyO.E.M.:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: MS-7C52
dmi.product.sku: To be filled by O.E.M.
dmi.product.version: 1.0
dmi.sys.vendor: Micro-Star International Co., Ltd.
mtime.conffile..etc.modprobe.d.alsa-base.conf: 2025-12-29T23:33:03.695387
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble wayland-session
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https://bugs.launchpad.net/bugs/2151785
Title:
The problem occurs when the jack is connected, and the sound card
doesn't appear as active in the jack graphics tab.
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