The previous log message should have read:

Use breakpoint() to start debugger to avoid crashing back to the firmware
when gdb tries to print the msg argument to Debugger().

sys/alpha/alpha/machdep.c

@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: machdep.c,v 1.41 1999/05/11 18:55:18 dt Exp $
+ *	$Id: machdep.c,v 1.42 1999/05/14 11:13:21 dfr Exp $
  */
 /*-
  * Copyright (c) 1998 The NetBSD Foundation, Inc.