[hrw@misc1 bitbake]$ svn diff lib/bb/runqueue.py
Index: lib/bb/runqueue.py
===================================================================
--- lib/bb/runqueue.py  (revision 698)
+++ lib/bb/runqueue.py  (working copy)
@@ -479,11 +479,11 @@
         # Sanity Checks
         for task in range(len(self.runq_fnid)):
             if runq_buildable[task] == 0:
-                bb.msg.error(bb.msg.domain.RunQueue, "Task %s never buildable!" % task)
+                bb.msg.debug(1, bb.msg.domain.RunQueue, "Task %s never buildable!" % task)
             if runq_running[task] == 0:
-                bb.msg.error(bb.msg.domain.RunQueue, "Task %s never ran!" % task)
+                bb.msg.debug(1, bb.msg.domain.RunQueue, "Task %s never ran!" % task)
             if runq_complete[task] == 0:
-                bb.msg.error(bb.msg.domain.RunQueue, "Task %s never completed!" % task)
+                bb.msg.debug(1, bb.msg.domain.RunQueue, "Task %s never completed!" % task)

         return failed_fnids

[hrw@misc1 bitbake]$