Problem Some systems are experiencing GDM crashes, resulting in the desktop failing to load and the system becoming unusable (no console access, blank display) with the relevant error logged in journalctl: gdm-launch-environment][1722]: PAM unable to dlopen(/usr/lib64/security/pam_lastlog.so): Sta…

GDM crashes after upgrade to Fedora 43 due to authselect migration

psklenar (Petr Sklenar) November 7, 2025, 2:47pm 8

You can discuss this issue here.

Topic		Replies	Views
Talk: GDM crashes after upgrade to Fedora 43 due to authselect migration Ask Fedora	6	553	February 8, 2026
PAM Lastlog change crashing gdm Ask Fedora silverblue , atomic-desktops , f43	11	1879	November 3, 2025
Fedora 43 upgrade failed: had to manually reboot, now GDM coredumps Ask Fedora	45	4064	January 9, 2026
No login screen after upgrade to f43 (Solved: authselect was never set up on a system upgraded through many versions) Ask Fedora upgrades , f43	20	3586	February 24, 2026
GDM Freeze right after login Ask Fedora f36 , amd , amdgpu , bluetooth , audio , gnome , desktop	2	895	June 14, 2023