diff --git a/llvm/utils/lit/lit/run.py b/llvm/utils/lit/lit/run.py
index ed39c40fa562..97f8c6fe010e 100644
--- a/llvm/utils/lit/lit/run.py
+++ b/llvm/utils/lit/lit/run.py
@@ -218,6 +218,7 @@ class Run(object):
                 consumer = MultiprocessResultsConsumer(self, display, jobs)
             except ImportError:
                 # Workaround for BSD: http://bugs.python.org/issue3770
+                self.lit_config.note('failed to initialize multiprocessing')
                 consumer = None
         if not consumer:
             task_impl = threading.Thread