You have been subscribed to a public bug:
if jackd and jackdbus run, jackd and/or jackdbus produce high cpu load.
jackd tends to take all availabl CPU power bringing the system to slow
down remarkably. Killing jackd and jackdbus frees cpu and system load
drops from 100%/per CPU down to ~4% overall.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: pulseaudio-module-jack 1:13.99.1-1ubuntu3.3
ProcVersionSignature: Ubuntu 5.4.0-37.41-generic 5.4.41
Uname: Linux 5.4.0-37-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: sct-muc 1800 F.... pulseaudio
/dev/snd/pcmC0D0c: sct-muc 1800 F...m pulseaudio
/dev/snd/pcmC0D0p: sct-muc 1800 F...m pulseaudio
/dev/snd/timer: sct-muc 1800 f.... pulseaudio
CasperMD5CheckResult: skip
Date: Thu Jun 18 18:08:25 2020
InstallationDate: Installed on 2019-09-09 (282 days ago)
InstallationMedia: Xubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
ProcEnviron:
LANGUAGE=de_DE
TERM=screen
PATH=(custom, no user)
LANG=de_DE.UTF-8
SHELL=/bin/bash
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
SourcePackage: pulseaudio
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/27/2020
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: 6.00
dmi.board.name: 440BX Desktop Reference Platform
dmi.board.vendor: Intel Corporation
dmi.board.version: None
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 1
dmi.chassis.vendor: No Enclosure
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnPhoenixTechnologiesLTD:bvr6.00:bd02/27/2020:svnVMware,Inc.:pnVMwareVirtualPlatform:pvrNone:rvnIntelCorporation:rn440BXDesktopReferencePlatform:rvrNone:cvnNoEnclosure:ct1:cvrN/A:
dmi.product.name: VMware Virtual Platform
dmi.product.version: None
dmi.sys.vendor: VMware, Inc.
** Affects: jackd2 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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jackdbus produces high cpu load
https://bugs.launchpad.net/bugs/1884101
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Bugs, which is subscribed to jackd2 in Ubuntu.
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