With Fedora 30 Workstation comes one issue : Systemd needs 1 min 30s to close “A stop job is waiting for PackageKit” or something like this. (Tested on 3 different computers, all with UEFI enabled).
By searching on the Internet, I found a solution here :
So the fix is to :
sudo vim /etc/systemd/systemd.conf
sudo nano /etc/systemd/systemd.conf
Then uncomment the following lines :
NB : Note that I changed the time to 10s instead of 90s.
Could someone submit a bug file in order to make it corrected in next Fedora updates ?