Par contre si jactive le service avec systemctl enable sddm et que je reboot, après le chargement du kernel, ça freeze

Je ne comprends pas pourquoi ... une idée ?
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# systemctl status sddm
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# journalctl _PID=XXX
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[Autologin]
# Whether sddm should automatically log back into sessions when they exit
Relogin=false
# Name of session file for autologin session
Session=plasma.desktop
# Username for autologin session
User=
[General]
# Halt command
HaltCommand=/usr/bin/systemctl poweroff
# Input method module
InputMethod=
# Initial NumLock state. Can be on, off or none.
# If property is set to none, numlock won't be changed
# NOTE: Currently ignored if autologin is enabled.
Numlock=none
# Reboot command
RebootCommand=/usr/bin/systemctl reboot
[Theme]
# Current theme name
Current=
# Cursor theme used in the greeter
CursorTheme=
# Number of users to use as threshold
# above which avatars are disabled
# unless explicitly enabled with EnableAvatars
DisableAvatarsThreshold=7
# Enable display of custom user avatars
EnableAvatars=true
# Global directory for user avatars
# The files should be named <username>.face.icon
FacesDir=/usr/share/sddm/faces
# Theme directory path
ThemeDir=/usr/share/sddm/themes
[Users]
# Default $PATH for logged in users
DefaultPath=/bin:/usr/bin:/usr/local/bin
# Comma-separated list of shells.
# Users with these shells as their default won't be listed
HideShells=
# Comma-separated list of users that should not be listed
HideUsers=
# Maximum user id for displayed users
MaximumUid=60000
# Minimum user id for displayed users
MinimumUid=1000
# Remember the session of the last successfully logged in user
RememberLastSession=true
# Remember the last successfully logged in user
RememberLastUser=true
[Wayland]
# Path to a script to execute when starting the desktop session
SessionCommand=/usr/share/sddm/scripts/wayland-session
# Directory containing available Wayland sessions
SessionDir=/usr/share/wayland-sessions
# Path to the user session log file
SessionLogFile=.local/share/sddm/wayland-session.log
[X11]
# Path to a script to execute when starting the display server
DisplayCommand=/usr/share/sddm/scripts/Xsetup
# Path to a script to execute when stopping the display server
DisplayStopCommand=/usr/share/sddm/scripts/Xstop
# The lowest virtual terminal number that will be used.
MinimumVT=1
# Arguments passed to the X server invocation
ServerArguments=-nolisten tcp
# Path to X server binary
ServerPath=/usr/bin/X
# Path to a script to execute when starting the desktop session
SessionCommand=/usr/share/sddm/scripts/Xsession
# Directory containing available X sessions
SessionDir=/usr/share/xsessions
# Path to the user session log file
SessionLogFile=.local/share/sddm/xorg-session.log
# Path to the Xauthority file
UserAuthFile=.Xauthority
# Path to xauth binary
XauthPath=/usr/bin/xauth
# Path to Xephyr binary
XephyrPath=/usr/bin/Xephyr
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/etc/systemd/system
├── display-manager.service -> /usr/lib/systemd/system/sddm.service
├── getty.target.wants
│ └── getty@tty1.service -> /usr/lib/systemd/system/getty@.service
├── graphical.target.wants
│ └── bumblebeed.service -> /usr/lib/systemd/system/bumblebeed.service
└── multi-user.target.wants
└── remote-fs.target -> /usr/lib/systemd/system/remote-fs.target
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● sddm.service - Simple Desktop Display Manager
Loaded: loaded (/usr/lib/systemd/system/sddm.service; enabled; vendor preset: disable
Active: active (running) since Tue 2017-03-14 22:10:09 CET; 6min ago
Docs: man:sddm(1)
man:sddm.conf(5)
Main PID: 2925 (sddm)
Tasks: 4 (limit: 4915)
CGroup: /system.slice/sddm.service
├─2925 /usr/bin/sddm
└─2935 /usr/lib/xorg-server/Xorg -nolisten tcp -auth /var/run/sddm/{764c7558-
mars 14 22:10:21 MSI-GS73VR-6RF sddm-helper[2958]: [PAM] Starting...
mars 14 22:10:21 MSI-GS73VR-6RF sddm-helper[2958]: [PAM] Authenticating...
mars 14 22:10:21 MSI-GS73VR-6RF sddm-helper[2958]: [PAM] Preparing to converse...
mars 14 22:10:21 MSI-GS73VR-6RF sddm-helper[2958]: [PAM] Conversation with 1 messages
mars 14 22:10:21 MSI-GS73VR-6RF sddm-helper[2958]: [PAM] returning.
mars 14 22:10:21 MSI-GS73VR-6RF sddm[2925]: Authenticated successfully
mars 14 22:10:21 MSI-GS73VR-6RF sddm[2925]: Auth: sddm-helper exited successfully
mars 14 22:10:21 MSI-GS73VR-6RF sddm[2925]: Greeter stopped.
mars 14 22:10:21 MSI-GS73VR-6RF sddm-helper[2958]: pam_unix(sddm:session): session opene
mars 14 22:10:21 MSI-GS73VR-6RF sddm[2925]: Session started
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[fulgurance@MSI-GS73VR-6RF ~]$ journalctl _PID=XXX
-- No entries --
Il fallait remplacer XXX par le PID de sddm, en remplacement tu peux poster le retour de:[fulgurance@MSI-GS73VR-6RF ~]$ journalctl _PID=XXX
-- No entries --
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journalctl -b _SYSTEMD_UNIT=sddm.service --no-pager
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journalctl -b-1