[SOLVED] systemd suspend/hibernation

[hduff]

I recently did an upgrade and two fresh installations of Mageia 9 and began having unexplained, seemingly random black screens and unresponsive systems.

I'm assuming that at some update to the systemd software that controls sleep/hibernate, that behavior was enabled by default.

It seems that each sleep state can be disabled via an entry in /etc/systemd/sleep.conf.d/disable-sleep.conf. That directory and file did not exist on any of my machines, so I created them and entered the following in disable-sleep.conf:

Code: Select all

## https://wiki.archlinux.org/title/Power_management/Suspend_and_hibernate#Disable_sleep_Completely

[Sleep]

AllowSuspend=no

AllowHibernation=no

AllowHybridSleep=no

AllowSuspendThenHibernate=no

Problem solved for me. Since I'm not certain this is a bug, I have not reported it to Bugzilla.

I documented this in my blog at https://maximumhoyt.blogspot.com/2025/11/mageia-9-and-big-sleep.html

[morgano]

We need to investigate why it decides to sleep, or what it is.
Please report this on our bugzilla.

[hduff]

Isn't Bugzilla reported by packages? I have no idea what package this stuff is in.

Is there a Bugzilla HOWTO with information on how to determine this?

[doktor5000]

Hello, yes this is also explained in https://wiki.mageia.org/en/How_to_repor ... _a_New_Bug
where it shows how to find out the Source RPM - that would be systemd in your case.

But from your description that doesn't make much sense - systemd doesn't randomly decide to suspend or hibernate., and even less "frequently"
This sounds either like a hardware or a kernel issue, but you'd need to provide quite a bit more information about your hardware and some actual logs.