Hi,
after perform kernel upgrade from 6.2.15 to 6.3.6 and switch NVIDIA propertiary to RPMFusion free, SDDM fail start with the following error :
○ sddm.service - Simple Desktop Display Manager
Loaded: loaded (/usr/lib/systemd/system/sddm.service; enabled; preset: enabled)
Active: inactive (dead) since Mon 2023-06-12 09:51:01 WIB; 2h 53min ago
Duration: 27.973s
Docs: man:sddm(1)
man:sddm.conf(5)
Process: 2180 ExecStart=/usr/bin/sddm (code=exited, status=0/SUCCESS)
Main PID: 2180 (code=exited, status=0/SUCCESS)
CPU: 2.652s
Jun 12 09:50:37 fedora sddm[2180]: Failed to read display number from pipe
Jun 12 09:50:37 fedora sddm[2180]: Attempt 2 starting the Display server on vt 1 failed
Jun 12 09:50:40 fedora sddm[2180]: Failed to read display number from pipe
Jun 12 09:50:40 fedora sddm[2180]: Attempt 3 starting the Display server on vt 1 failed
Jun 12 09:50:40 fedora sddm[2180]: Could not start Display server on vt 1
Jun 12 09:51:01 fedora sddm[2180]: Signal received: SIGTERM
Jun 12 09:51:01 fedora systemd[1]: Stopping sddm.service - Simple Desktop Display Manager...
Jun 12 09:51:01 fedora systemd[1]: sddm.service: Deactivated successfully.
Jun 12 09:51:01 fedora systemd[1]: Stopped sddm.service - Simple Desktop Display Manager.
Jun 12 09:51:01 fedora systemd[1]: sddm.service: Consumed 2.652s CPU time.
but GDM works fine.
appreciate for any help