Hi Klaus, On 2018. június 4., hétfő 14:53:12 CEST Klaus Taeger wrote: > Does anyone have a clue what the cause could be? The output from hostapd certainly contains some info about the cause of the error. Systemd logs this to the journal, you can read this by running `journalctl -u hostapd.service` _______________________________________________ Hostap mailing list Hostap@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/hostap