Re: Restarting dbus service makes system unstable

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On 08.03.2024 09:49, Shreenidhi Shedi wrote:
Hi All,

I tried this on Fedora 39 so anyone can reproduce this at their end I guess.


Restarting D-Bus was never safe and never supported. Every individual application would need to support D-Bus connection loss and be able to transparently reconnect. I do not know if D-Bus daemon keeps any internal state that would need restoring as well.

Steps:
1. systemctl restart dbus
2. Try to start a new ssh session or invoke a reboot command

It will take 25 seconds to finish and if we restart systemd-logind, system
becomes stable. busctl --list shows logind as activatable.

Is this a known issue? I tried the same on a systemd with systemd v247.13
and it doesn't happen there.

With systemd v253.12 and in v254.9 (fedora's) this is reproducible 100%.





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