diff --git a/core/lib/Drupal/Core/Render/Renderer.php b/core/lib/Drupal/Core/Render/Renderer.php
index f78f551a21..a98c1b14f5 100644
--- a/core/lib/Drupal/Core/Render/Renderer.php
+++ b/core/lib/Drupal/Core/Render/Renderer.php
@@ -570,11 +570,11 @@ public function executeInRenderContext(RenderContext $context, callable $callabl
 
     // Set the provided context and call the callable, it will use that context.
     $this->setCurrentRenderContext($context);
-    \Drupal::logger('file')->notice('Renderer calling setCurrentRenderContext', $context);
+    \Drupal::logger('file')->notice('Renderer calling setCurrentRenderContext');
     $result = $callable();
     // @todo Convert to an assertion in https://www.drupal.org/node/2408013
     if ($context->count() > 1) {
-      \Drupal::logger('file')->notice('Bubbling failed. $context->count() > 1', $context);
+      \Drupal::logger('file')->notice('Bubbling failed. $context->count() > 1');
       throw new \LogicException('Bubbling failed.');
     }
 
diff --git a/core/modules/file/file.module b/core/modules/file/file.module
index f86322b9f2..e4056f782e 100644
--- a/core/modules/file/file.module
+++ b/core/modules/file/file.module
@@ -1430,7 +1430,7 @@ function file_managed_file_save_upload($element, FormStateInterface $form_state)
     return FALSE;
   }
   else {
-    \Drupal::logger('file')->notice('$all_files[$upload_name] not empty');
+    \Drupal::logger('file')->notice('$all_files[$upload_name] not empty, file size: ' . $all_files[$upload_name]->getClientSize());
   }
   $file_upload = $all_files[$upload_name];