1 files changed, 3 insertions, 3 deletions
diff --git a/activesupport/lib/active_support/log_subscriber.rb b/activesupport/lib/active_support/log_subscriber.rb
index 6296c1d4b8..58938cdc3d 100644
--- a/activesupport/lib/active_support/log_subscriber.rb
+++ b/activesupport/lib/active_support/log_subscriber.rb
@@ -92,7 +92,7 @@ module ActiveSupport
       begin
         send(method, ActiveSupport::Notifications::Event.new(message, *args))
       rescue Exception => e
-        logger.error "Could not log #{message.inspect} event. #{e.class}: #{e.message}"
+        logger.error "Could not log #{message.inspect} event. #{e.class}: #{e.message} #{e.backtrace}"
       end
     end
 
@@ -100,9 +100,9 @@ module ActiveSupport
 
     %w(info debug warn error fatal unknown).each do |level|
       class_eval <<-METHOD, __FILE__, __LINE__ + 1
-        def #{level}(*args, &block)
+        def #{level}(progname = nil, &block)
           return unless logger
-          logger.#{level}(*args, &block)
+          logger.#{level}(progname, &block)
         end
       METHOD
     end