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. -- You received this bug notification because you are a member of Ubuntu 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) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/rtkit/+bug/1875665/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp