diff -r 347fa5cdbd39 -r 456b8d0486b5 hotspot/src/share/vm/runtime/vmThread.cpp
--- a/hotspot/src/share/vm/runtime/vmThread.cpp	Tue Apr 26 11:46:34 2011 -0700
+++ b/hotspot/src/share/vm/runtime/vmThread.cpp	Tue Apr 26 21:17:24 2011 -0700
@@ -291,7 +291,9 @@
     // Among other things, this ensures that Eden top is correct.
     Universe::heap()->prepare_for_verify();
     os::check_heap();
-    Universe::verify(true, true); // Silent verification to not polute normal output
+    // Silent verification so as not to pollute normal output,
+    // unless we really asked for it.
+    Universe::verify(true, !(PrintGCDetails || Verbose));
   }
 
   CompileBroker::set_should_block();