*** old/src/share/vm/utilities/debug.cpp	Fri Nov 12 05:57:07 2010
--- new/src/share/vm/utilities/debug.cpp	Fri Nov 12 05:57:07 2010

*** 359,370 ****
--- 359,376 ----
  
  
  extern "C" void disnm(intptr_t p) {
    Command c("disnm");
    CodeBlob* cb = CodeCache::find_blob((address) p);
+   nmethod* nm = cb->as_nmethod_or_null();
+   if (nm) {
+     nm->print();
+     Disassembler::decode(nm);
+   } else {
      cb->print();
      Disassembler::decode(cb);
+   }
  }
  
  
  extern "C" void printnm(intptr_t p) {
    char buffer[256];