from the stacktrace on errors.u.c, it looks like that is happening under wayland. It looks to me like Xwayland under the gdm3 gnome-shell greeter session is the one that is crashing. This runs under wayland by default.
from the stacktrace on errors.u.c, it looks like that is happening under wayland. It looks to me like Xwayland under the gdm3 gnome-shell greeter session is the one that is crashing. This runs under wayland by default.