Problem after installing the update, I go from fedora 39 to fedora 40

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1

I updated my fedora workstation from fedora 39 to fedora 40 , and after the reboot of the update I got a black screen with written :

[FAILED] Failed to listen on dbus.socket - D-Bus System Message Bus Socket.

[DEPEND] Dependency failed for systemd-machū and container registration service.

[DEPEND] Dependency failed for thermald.service - Thermal Daemon Service.

[DEPEND] Dependency failed for gdm.service - Gnome display manager .

[FAILED] Failed to start on virtqemud.service - virtualization qemu daemon

If anyone could help me, please .

2

Boot a Fedora on USB and start by doing a backup. Backup of /etc and your whole /home folder. So you have a clean backup of your data + Firefox bookmarks and passwords somewhere.

Once a backup is done, I would probably do a clean install of the Fedora 40 to check if something is wrong when trying to use that machine with Fedora 40.

I did get a botched upgrade from 38 to 39 that ended me do a full reinstall, and the reinstall worked fine. I could have tried to find out what the issue was, but I needed that laptop to work, so a clean install did it.

From what I can see in your log, I think you may have a faulty symbolic link.

Get into : /etc/systemd/system
You have several links there. Make sure they each are valid.

3

I forgot.

On my current Fedora (39) the link for dbus.service is :

gf@aesir:~$ sudo ls -l /etc/systemd/system | grep dbus.service
lrwxrwxrwx. 1 root root 43 Nov 1 2023 dbus.service → /usr/lib/systemd/system/dbus-broker.service