diff --git a/poky/bitbake/lib/bb/runqueue.py b/poky/bitbake/lib/bb/runqueue.py
index 28bdadb..2f521e5 100644
--- a/poky/bitbake/lib/bb/runqueue.py
+++ b/poky/bitbake/lib/bb/runqueue.py
@@ -38,7 +38,7 @@
     return tid.rsplit(":", 1)[1]
 
 def mc_from_tid(tid):
-    if tid.startswith('mc:'):
+    if tid.startswith('mc:') and tid.count(':') >= 2:
         return tid.split(':')[1]
     return ""
 
@@ -47,13 +47,13 @@
     return (mc, fn, taskname)
 
 def split_mc(n):
-    if n.startswith("mc:"):
+    if n.startswith("mc:") and n.count(':') >= 2:
         _, mc, n = n.split(":", 2)
         return (mc, n)
     return ('', n)
 
 def split_tid_mcfn(tid):
-    if tid.startswith('mc:'):
+    if tid.startswith('mc:') and tid.count(':') >= 2:
         elems = tid.split(':')
         mc = elems[1]
         fn = ":".join(elems[2:-1])
@@ -544,8 +544,8 @@
         for tid in self.runtaskentries:
             if task_done[tid] is False or deps_left[tid] != 0:
                 problem_tasks.append(tid)
-                logger.debug(2, "Task %s is not buildable", tid)
-                logger.debug(2, "(Complete marker was %s and the remaining dependency count was %s)\n", task_done[tid], deps_left[tid])
+                logger.debug2("Task %s is not buildable", tid)
+                logger.debug2("(Complete marker was %s and the remaining dependency count was %s)\n", task_done[tid], deps_left[tid])
             self.runtaskentries[tid].weight = weight[tid]
 
         if problem_tasks:
@@ -643,7 +643,7 @@
                 (mc, fn, taskname, taskfn) = split_tid_mcfn(tid)
                 #runtid = build_tid(mc, fn, taskname)
 
-                #logger.debug(2, "Processing %s,%s:%s", mc, fn, taskname)
+                #logger.debug2("Processing %s,%s:%s", mc, fn, taskname)
 
                 depends = set()
                 task_deps = self.dataCaches[mc].task_deps[taskfn]
@@ -1199,9 +1199,9 @@
         """
         Dump some debug information on the internal data structures
         """
-        logger.debug(3, "run_tasks:")
+        logger.debug3("run_tasks:")
         for tid in self.runtaskentries:
-            logger.debug(3, " %s: %s   Deps %s RevDeps %s", tid,
+            logger.debug3(" %s: %s   Deps %s RevDeps %s", tid,
                          self.runtaskentries[tid].weight,
                          self.runtaskentries[tid].depends,
                          self.runtaskentries[tid].revdeps)
@@ -1238,7 +1238,7 @@
         self.fakeworker = {}
 
     def _start_worker(self, mc, fakeroot = False, rqexec = None):
-        logger.debug(1, "Starting bitbake-worker")
+        logger.debug("Starting bitbake-worker")
         magic = "decafbad"
         if self.cooker.configuration.profile:
             magic = "decafbadbad"
@@ -1283,7 +1283,7 @@
     def _teardown_worker(self, worker):
         if not worker:
             return
-        logger.debug(1, "Teardown for bitbake-worker")
+        logger.debug("Teardown for bitbake-worker")
         try:
            worker.process.stdin.write(b"<quit></quit>")
            worker.process.stdin.flush()
@@ -1356,12 +1356,12 @@
 
         # If the stamp is missing, it's not current
         if not os.access(stampfile, os.F_OK):
-            logger.debug(2, "Stampfile %s not available", stampfile)
+            logger.debug2("Stampfile %s not available", stampfile)
             return False
         # If it's a 'nostamp' task, it's not current
         taskdep = self.rqdata.dataCaches[mc].task_deps[taskfn]
         if 'nostamp' in taskdep and taskname in taskdep['nostamp']:
-            logger.debug(2, "%s.%s is nostamp\n", fn, taskname)
+            logger.debug2("%s.%s is nostamp\n", fn, taskname)
             return False
 
         if taskname != "do_setscene" and taskname.endswith("_setscene"):
@@ -1385,18 +1385,18 @@
                     continue
                 if fn == fn2 or (fulldeptree and fn2 not in stampwhitelist):
                     if not t2:
-                        logger.debug(2, 'Stampfile %s does not exist', stampfile2)
+                        logger.debug2('Stampfile %s does not exist', stampfile2)
                         iscurrent = False
                         break
                     if t1 < t2:
-                        logger.debug(2, 'Stampfile %s < %s', stampfile, stampfile2)
+                        logger.debug2('Stampfile %s < %s', stampfile, stampfile2)
                         iscurrent = False
                         break
                     if recurse and iscurrent:
                         if dep in cache:
                             iscurrent = cache[dep]
                             if not iscurrent:
-                                logger.debug(2, 'Stampfile for dependency %s:%s invalid (cached)' % (fn2, taskname2))
+                                logger.debug2('Stampfile for dependency %s:%s invalid (cached)' % (fn2, taskname2))
                         else:
                             iscurrent = self.check_stamp_task(dep, recurse=True, cache=cache)
                             cache[dep] = iscurrent
@@ -1761,7 +1761,7 @@
         for scheduler in schedulers:
             if self.scheduler == scheduler.name:
                 self.sched = scheduler(self, self.rqdata)
-                logger.debug(1, "Using runqueue scheduler '%s'", scheduler.name)
+                logger.debug("Using runqueue scheduler '%s'", scheduler.name)
                 break
         else:
             bb.fatal("Invalid scheduler '%s'.  Available schedulers: %s" %
@@ -1899,7 +1899,7 @@
                     break
             if alldeps:
                 self.setbuildable(revdep)
-                logger.debug(1, "Marking task %s as buildable", revdep)
+                logger.debug("Marking task %s as buildable", revdep)
 
     def task_complete(self, task):
         self.stats.taskCompleted()
@@ -1929,7 +1929,7 @@
     def summarise_scenequeue_errors(self):
         err = False
         if not self.sqdone:
-            logger.debug(1, 'We could skip tasks %s', "\n".join(sorted(self.scenequeue_covered)))
+            logger.debug('We could skip tasks %s', "\n".join(sorted(self.scenequeue_covered)))
             completeevent = sceneQueueComplete(self.sq_stats, self.rq)
             bb.event.fire(completeevent, self.cfgData)
         if self.sq_deferred:
@@ -1986,7 +1986,7 @@
                 if nexttask in self.sq_buildable and nexttask not in self.sq_running and self.sqdata.stamps[nexttask] not in self.build_stamps.values():
                     if nexttask not in self.sqdata.unskippable and len(self.sqdata.sq_revdeps[nexttask]) > 0 and self.sqdata.sq_revdeps[nexttask].issubset(self.scenequeue_covered) and self.check_dependencies(nexttask, self.sqdata.sq_revdeps[nexttask]):
                         if nexttask not in self.rqdata.target_tids:
-                            logger.debug(2, "Skipping setscene for task %s" % nexttask)
+                            logger.debug2("Skipping setscene for task %s" % nexttask)
                             self.sq_task_skip(nexttask)
                             self.scenequeue_notneeded.add(nexttask)
                             if nexttask in self.sq_deferred:
@@ -1999,28 +1999,28 @@
                     if nexttask in self.sq_deferred:
                         if self.sq_deferred[nexttask] not in self.runq_complete:
                             continue
-                        logger.debug(1, "Task %s no longer deferred" % nexttask)
+                        logger.debug("Task %s no longer deferred" % nexttask)
                         del self.sq_deferred[nexttask]
                         valid = self.rq.validate_hashes(set([nexttask]), self.cooker.data, 0, False, summary=False)
                         if not valid:
-                            logger.debug(1, "%s didn't become valid, skipping setscene" % nexttask)
+                            logger.debug("%s didn't become valid, skipping setscene" % nexttask)
                             self.sq_task_failoutright(nexttask)
                             return True
                         else:
                             self.sqdata.outrightfail.remove(nexttask)
                     if nexttask in self.sqdata.outrightfail:
-                        logger.debug(2, 'No package found, so skipping setscene task %s', nexttask)
+                        logger.debug2('No package found, so skipping setscene task %s', nexttask)
                         self.sq_task_failoutright(nexttask)
                         return True
                     if nexttask in self.sqdata.unskippable:
-                        logger.debug(2, "Setscene task %s is unskippable" % nexttask)
+                        logger.debug2("Setscene task %s is unskippable" % nexttask)
                     task = nexttask
                     break
         if task is not None:
             (mc, fn, taskname, taskfn) = split_tid_mcfn(task)
             taskname = taskname + "_setscene"
             if self.rq.check_stamp_task(task, taskname_from_tid(task), recurse = True, cache=self.stampcache):
-                logger.debug(2, 'Stamp for underlying task %s is current, so skipping setscene variant', task)
+                logger.debug2('Stamp for underlying task %s is current, so skipping setscene variant', task)
                 self.sq_task_failoutright(task)
                 return True
 
@@ -2030,12 +2030,12 @@
                     return True
 
             if self.rq.check_stamp_task(task, taskname, cache=self.stampcache):
-                logger.debug(2, 'Setscene stamp current task %s, so skip it and its dependencies', task)
+                logger.debug2('Setscene stamp current task %s, so skip it and its dependencies', task)
                 self.sq_task_skip(task)
                 return True
 
             if self.cooker.configuration.skipsetscene:
-                logger.debug(2, 'No setscene tasks should be executed. Skipping %s', task)
+                logger.debug2('No setscene tasks should be executed. Skipping %s', task)
                 self.sq_task_failoutright(task)
                 return True
 
@@ -2097,12 +2097,12 @@
                     return True
 
             if task in self.tasks_covered:
-                logger.debug(2, "Setscene covered task %s", task)
+                logger.debug2("Setscene covered task %s", task)
                 self.task_skip(task, "covered")
                 return True
 
             if self.rq.check_stamp_task(task, taskname, cache=self.stampcache):
-                logger.debug(2, "Stamp current task %s", task)
+                logger.debug2("Stamp current task %s", task)
 
                 self.task_skip(task, "existing")
                 self.runq_tasksrun.add(task)
@@ -2322,7 +2322,7 @@
                     remapped = True
 
                 if not remapped:
-                    #logger.debug(1, "Task %s hash changes: %s->%s %s->%s" % (tid, orighash, newhash, origuni, newuni))
+                    #logger.debug("Task %s hash changes: %s->%s %s->%s" % (tid, orighash, newhash, origuni, newuni))
                     self.rqdata.runtaskentries[tid].hash = newhash
                     self.rqdata.runtaskentries[tid].unihash = newuni
                     changed.add(tid)
@@ -2337,7 +2337,7 @@
             for mc in self.rq.fakeworker:
                 self.rq.fakeworker[mc].process.stdin.write(b"<newtaskhashes>" + pickle.dumps(bb.parse.siggen.get_taskhashes()) + b"</newtaskhashes>")
 
-            hashequiv_logger.debug(1, pprint.pformat("Tasks changed:\n%s" % (changed)))
+            hashequiv_logger.debug(pprint.pformat("Tasks changed:\n%s" % (changed)))
 
         for tid in changed:
             if tid not in self.rqdata.runq_setscene_tids:
@@ -2356,7 +2356,7 @@
             # Check no tasks this covers are running
             for dep in self.sqdata.sq_covered_tasks[tid]:
                 if dep in self.runq_running and dep not in self.runq_complete:
-                    hashequiv_logger.debug(2, "Task %s is running which blocks setscene for %s from running" % (dep, tid))
+                    hashequiv_logger.debug2("Task %s is running which blocks setscene for %s from running" % (dep, tid))
                     valid = False
                     break
             if not valid:
@@ -2430,7 +2430,7 @@
 
         for dep in sorted(self.sqdata.sq_deps[task]):
             if fail and task in self.sqdata.sq_harddeps and dep in self.sqdata.sq_harddeps[task]:
-                logger.debug(2, "%s was unavailable and is a hard dependency of %s so skipping" % (task, dep))
+                logger.debug2("%s was unavailable and is a hard dependency of %s so skipping" % (task, dep))
                 self.sq_task_failoutright(dep)
                 continue
             if self.sqdata.sq_revdeps[dep].issubset(self.scenequeue_covered | self.scenequeue_notcovered):
@@ -2460,7 +2460,7 @@
         completed dependencies as buildable
         """
 
-        logger.debug(1, 'Found task %s which could be accelerated', task)
+        logger.debug('Found task %s which could be accelerated', task)
         self.scenequeue_covered.add(task)
         self.scenequeue_updatecounters(task)
 
@@ -2775,13 +2775,13 @@
             continue
 
         if rq.check_stamp_task(tid, taskname + "_setscene", cache=stampcache):
-            logger.debug(2, 'Setscene stamp current for task %s', tid)
+            logger.debug2('Setscene stamp current for task %s', tid)
             sqdata.stamppresent.add(tid)
             sqrq.sq_task_skip(tid)
             continue
 
         if rq.check_stamp_task(tid, taskname, recurse = True, cache=stampcache):
-            logger.debug(2, 'Normal stamp current for task %s', tid)
+            logger.debug2('Normal stamp current for task %s', tid)
             sqdata.stamppresent.add(tid)
             sqrq.sq_task_skip(tid)
             continue