The issue is on my workstation which might have all kind of config history.
On a fresh focal system it looks like "default off, start works"
root@f:~# systemctl status rtkit-daemon
● rtkit-daemon.service - RealtimeKit Scheduling Policy Service
Loaded: loaded (/lib/systemd/system/rtkit-daemon.service; disabled; vendor
preset: enabled)
Active: inactive (dead)
root@f:~# systemctl start rtkit-daemon.service
root@f:~# systemctl status rtkit-daemon
● rtkit-daemon.service - RealtimeKit Scheduling Policy Service
Loaded: loaded (/lib/systemd/system/rtkit-daemon.service; disabled; vendor
preset: enabled)
Active: active (running) since Wed 2020-04-08 06:12:27 UTC; 1s ago
Main PID: 76699 (rtkit-daemon)
Tasks: 3 (limit: 38284)
Memory: 684.0K
CGroup: /system.slice/rtkit-daemon.service
└─76699 /usr/libexec/rtkit-daemon
Apr 08 06:12:27 f systemd[1]: Starting RealtimeKit Scheduling Policy Service...
Apr 08 06:12:27 f systemd[1]: Started RealtimeKit Scheduling Policy Service.
Apr 08 06:12:27 f rtkit-daemon[76699]: Successfully called chroot.
Apr 08 06:12:27 f rtkit-daemon[76699]: Successfully dropped privileges.
Apr 08 06:12:27 f rtkit-daemon[76699]: Successfully limited resources.
Apr 08 06:12:27 f rtkit-daemon[76699]: Running.
Apr 08 06:12:27 f rtkit-daemon[76699]: Canary thread running.
Apr 08 06:12:27 f rtkit-daemon[76699]: Watchdog thread running.
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https://bugs.launchpad.net/bugs/1871543
Title:
rtkit fails to start in focal "pthread_create failed: Resource
temporarily unavailable"
Status in rtkit package in Ubuntu:
New
Bug description:
I was debugging something else and found rtkit broken on my system.
Apr 08 06:09:22 Keschdeichel rtkit-daemon[1726502]: Successfully called
chroot.
Apr 08 06:09:22 Keschdeichel rtkit-daemon[1726502]: Successfully dropped
privileges.
Apr 08 06:09:22 Keschdeichel rtkit-daemon[1726502]: Successfully limited
resources.
Apr 08 06:09:22 Keschdeichel rtkit-daemon[1726502]: pthread_create failed:
Resource temporarily unavailable
Apr 08 06:09:22 Keschdeichel rtkit-daemon[1726502]: Canary thread running.
Apr 08 06:09:22 Keschdeichel rtkit-daemon[1726502]: Exiting canary thread.
Apr 08 06:09:22 Keschdeichel rtkit-daemon[1726502]: Demoting known real-time
threads.
Apr 08 06:09:22 Keschdeichel rtkit-daemon[1726502]: Demoted 0 threads
That state is reproducible through restarts.
I haven't looked any further yet.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: rtkit 0.12-4
ProcVersionSignature: Ubuntu 5.3.0-45.37~18.04.1-generic 5.3.18
Uname: Linux 5.3.0-45-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu24
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Wed Apr 8 07:59:58 2020
InstallationDate: Installed on 2018-10-12 (543 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64
(20180725)
SourcePackage: rtkit
UpgradeStatus: Upgraded to focal on 2020-04-03 (4 days ago)
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