I am using an old laptop as server. The internal screen has been
removed. When no external display is connected, the system quickly goes
to sleep mode. To avoid this I had masked sleep.target and
suspend.target, which resulted in the described repeated "systemd-
logind: hibernation is restricted; see man kernel_lockdown.7" and 80%
load by systemd-logind.
I could avoid suspend without triggering this issue by modifying
/etc/systemd/logind.conf:
HandleSuspendKey=ignore
HandleHibernateKey=ignore
HandleLidSwitch=ignore
HandleHibernateKey=ignore
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Touch seeded packages, which is subscribed to systemd in Ubuntu.
https://bugs.launchpad.net/bugs/1896137
Title:
syslog flooded with "Lockdown: systemd-logind: hibernation is
restricted; see man kernel_lockdown.7"
Status in systemd package in Ubuntu:
Expired
Bug description:
When I close the lid on my laptop, syslog goes crazy with the message
systemd-logind: hibernation is restricted; see man kernel_lockdown.7
repeated ad infinitum, using up all the CPU and GBs of disk space. I
am not even trying to hibernate; everything in /etc/systemd/login.conf
is commented out. So nothing much should happen when I close the lid,
but systemd is trying to kill me with these messages. I am running
Ubuntu 20.04.
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https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1896137/+subscriptions
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