(In reply to Juha Virtanen from comment #4) > When $XAUTHORITY file is in /tmp, it is subject to automated system-wide > /tmp cleanup. For example in Tumbleweed file is removed after 10 days > causing inabillity to start new applications within that session after 10 > days. It shouldn't be, but is anyway because of systemd behaviour: https://github.com/sddm/sddm/pull/1805