Hello Alireza Banejad, 1. I disable debug log by replacing classes DebugLib with BaseDebugLibNull.inf instance. This caused the EDK log to become empty. But Bds message got into the log anyway. This did not fix the problem. 2. This sounds very non-trivial to me. Where should we start? -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#121342): https://edk2.groups.io/g/devel/message/121342 Mute This Topic: https://groups.io/mt/113106248/7686176 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [rebecca@openfw.io] -=-=-=-=-=-=-=-=-=-=-=-