> How exactly do they compete for the "lid closed" event? Both try to perform an action. If they are the same, say suspend, you just have a warning. If they are different, you don't really understand what and why one or the other happens.
> I was under the impression, that XFCE nowadays uses logind, does it not? Yes, but systemd does not honor by default the inhibition request for lid events sent by XFCE.
