I have the same issue, 18.04 -> 20.04 via upgrade. RTKit now failing to
give pulseaudio RT priority.
Issue resulting is some choppy audio - under heavy load. Pulseaudio not
RT priority
20.04 clean install:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
795 twiggy 9 -11 1146096 18528 14632 S 0.0 0.9 0:00.56
pulseaudio
18.04->20.04 upgraded:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
259018 twiggy2 20 0 280064 14228 12452 S 0.0 0.0 0:00.43
pulseaudio
Haven't yet found an app that crashes when it failes to acquire RT, but,
audio not behaving to previous good standard.
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Touch seeded packages, which is subscribed to rtkit in Ubuntu.
https://bugs.launchpad.net/bugs/1875665
Title:
rtkit-daemon[*]: Failed to make ourselves RT: Operation not permitted
after upgrade to 20.04
Status in rtkit package in Ubuntu:
Incomplete
Bug description:
These errors started right after upgrading to 20.04.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: rtkit 0.12-4
ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30
Uname: Linux 5.4.0-26-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Tue Apr 28 10:31:43 2020
InstallationDate: Installed on 2019-06-18 (315 days ago)
InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
ProcEnviron:
TERM=tmux-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: rtkit
UpgradeStatus: Upgraded to focal on 2020-04-21 (6 days ago)
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