Better panic message

a9b40e7e · Silas Boyd-Wickizer · aba6e75b · a9b40e7e
--- a/kernel/trap.cc
+++ b/kernel/trap.cc
@@ -47,7 +47,7 @@ do_pagefault(struct trapframe *tf)
  uptr addr = rcr2();
  if (myproc()->uaccess_) {
    if (addr >= USERTOP)
-      panic("Oops");
+      panic("do_pagefault: %lx", addr);

    sti();
    if(pagefault(myproc()->vmap, addr, tf->err) >= 0){