--- a/hotspot/src/share/vm/code/codeBlob.cpp	Thu Sep 20 16:49:17 2012 +0200
+++ b/hotspot/src/share/vm/code/codeBlob.cpp	Mon Sep 24 10:30:14 2012 -0700
@@ -162,8 +162,10 @@
     assert(strlen(name1) + strlen(name2) < sizeof(stub_id), "");
     jio_snprintf(stub_id, sizeof(stub_id), "%s%s", name1, name2);
     if (PrintStubCode) {
+      ttyLocker ttyl;
       tty->print_cr("Decoding %s " INTPTR_FORMAT, stub_id, (intptr_t) stub);
       Disassembler::decode(stub->code_begin(), stub->code_end());
+      tty->cr();
     }
     Forte::register_stub(stub_id, stub->code_begin(), stub->code_end());
 
@@ -548,6 +550,7 @@
 }
 
 void RuntimeStub::print_on(outputStream* st) const {
+  ttyLocker ttyl;
   CodeBlob::print_on(st);
   st->print("Runtime Stub (" INTPTR_FORMAT "): ", this);
   st->print_cr(name());
@@ -563,6 +566,7 @@
 }
 
 void SingletonBlob::print_on(outputStream* st) const {
+  ttyLocker ttyl;
   CodeBlob::print_on(st);
   st->print_cr(name());
   Disassembler::decode((CodeBlob*)this, st);