diff --git a/console.c b/console.c
index 86c3455..5e5f034 100644
--- a/console.c
+++ b/console.c
@@ -294,7 +294,7 @@ panic(char *s)
   use_console_lock = 0;
   cprintf("cpu%d: panic: ", cpu());
   cprintf(s, 0);
-  cprintf("\n", 0);
+  cprintf("\n");
   getcallerpcs(&s, pcs);
   for(i=0; i<10; i++)
     cprintf(" %p", pcs[i]);
diff --git a/main.c b/main.c
index 6ec6d19..c93d9bf 100644
--- a/main.c
+++ b/main.c
@@ -52,7 +52,7 @@ mpmain(void)
   setupsegs(0);
   xchg(&cpus[cpu()].booted, 1);
 
-  cprintf("cpu%d: scheduling\n");
+  cprintf("cpu%d: scheduling\n", cpu());
   scheduler();
 }