I don't believe either lightdm or kdm try to kill themselves when uninstalled.
As implemented, this feature was broken anyway as gdm doesn't always run on :0 so personally, I've had my X session killed when uninstalling gdm sometimes.
I don't believe either lightdm or kdm try to kill themselves when uninstalled.
As implemented, this feature was broken anyway as gdm doesn't always run on :0 so personally, I've had my X session killed when uninstalling gdm sometimes.