Hello,
correct version of the patch is below. The previos one was wrong.
Thanks,
Karel
Index: sys/arch/amd64/amd64/machdep.c
===================================================================
RCS file: /cvs/src/sys/arch/amd64/amd64/machdep.c,v
retrieving revision 1.248
diff -u -p -u -r1.248 machdep.c
--- sys/arch/amd64/amd64/machdep.c 12 Jul 2018 14:11:11 -0000 1.248
+++ sys/arch/amd64/amd64/machdep.c 19 Jul 2018 09:07:52 -0000
@@ -142,7 +142,9 @@ extern int db_console;
#endif
/* #define MACHDEP_DEBUG */
-
+#ifdef DPRINTF
+#undef DPRINTF
+#endif
#ifdef MACHDEP_DEBUG
#define DPRINTF(x...) do { printf(x); } while(0)
#else
