Index: head/sys/ddb/db_command.c
===================================================================
--- head/sys/ddb/db_command.c
+++ head/sys/ddb/db_command.c
@@ -556,7 +556,7 @@
 	if (s)
 	    db_printf("%s", s);
 	db_flush_lex();
-	kdb_reenter();
+	kdb_reenter_silent();
 }
 
 static void
Index: head/sys/kern/subr_kdb.c
===================================================================
--- head/sys/kern/subr_kdb.c
+++ head/sys/kern/subr_kdb.c
@@ -509,6 +509,17 @@
 	/* NOTREACHED */
 }
 
+void
+kdb_reenter_silent(void)
+{
+
+	if (!kdb_active || kdb_jmpbufp == NULL)
+		return;
+
+	longjmp(kdb_jmpbufp, 1);
+	/* NOTREACHED */
+}
+
 /*
  * Thread related support functions.
  */
Index: head/sys/sys/kdb.h
===================================================================
--- head/sys/sys/kdb.h
+++ head/sys/sys/kdb.h
@@ -80,6 +80,7 @@
 void	kdb_panic(const char *);
 void	kdb_reboot(void);
 void	kdb_reenter(void);
+void	kdb_reenter_silent(void);
 struct pcb *kdb_thr_ctx(struct thread *);
 struct thread *kdb_thr_first(void);
 struct thread *kdb_thr_from_pid(pid_t);