D13212.diff
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	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);