X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flib%2Fdebug.c;h=4f0f5f303cf933dab61c1b1e6f723d7ed7b8bb6b;hb=67a51d5e82939a9708ebe57b2c6a5b8cd05ad96d;hp=7d520638c8cd9a9e8e60a3874b5ce5ae1dee7845;hpb=b9f0f2802c11a0ae6fa39fa846c37df25731ad3d;p=pintos-anon

diff --git a/src/lib/debug.c b/src/lib/debug.c
index 7d52063..4f0f5f3 100644
--- a/src/lib/debug.c
+++ b/src/lib/debug.c
@@ -5,6 +5,7 @@
 #include <stdio.h>
 #include <string.h>
 #ifdef KERNEL
+#include "threads/init.h"
 #include "threads/interrupt.h"
 #include "devices/serial.h"
 #else
@@ -87,9 +88,15 @@ debug_panic (const char *file, int line, const char *function,
 
   debug_backtrace ();
 
+  printf ("The `backtrace' program can make call stacks useful.\n"
+          "Read \"Backtraces\" in the \"Debugging Tools\" chapter\n"
+          "of the Pintos documentation for more information.\n");
+  
 #ifdef KERNEL
   serial_flush ();
-  power_off ();
+  if (power_off_when_done)
+    power_off ();
+  for (;;);
 #else
   exit (1);
 #endif