diff -Naur linux-5.1/drivers/acpi/bus.c linux-5.1-p/drivers/acpi/bus.c
--- linux-5.1/drivers/acpi/bus.c	2019-05-06 02:42:58.000000000 +0200
+++ linux-5.1-p/drivers/acpi/bus.c	2019-05-07 08:50:58.819866218 +0200
@@ -1043,6 +1043,8 @@
 
 	acpi_permanent_mmap = true;
 
+    acpi_dbg_level = ACPI_LV_INFO | ACPI_LV_REPAIR;
+
 #ifdef CONFIG_X86
 	/*
 	 * If the machine falls into the DMI check table,