Index: sys/arch/amd64/conf/GENERIC.MP
===================================================================
RCS file: /mount/openbsd/cvs/src/sys/arch/amd64/conf/GENERIC.MP,v
retrieving revision 1.14
diff -u -p -u -p -r1.14 GENERIC.MP
--- sys/arch/amd64/conf/GENERIC.MP	13 Jul 2018 05:25:24 -0000	1.14
+++ sys/arch/amd64/conf/GENERIC.MP	22 Dec 2020 19:18:52 -0000
@@ -4,6 +4,7 @@ include "arch/amd64/conf/GENERIC"
 
 option	MULTIPROCESSOR
 #option	MP_LOCKDEBUG
-#option	WITNESS
+option	WITNESS
+option	WITNESS_LOCKTRACE
 
 cpu*		at mainbus?