list all the service info

I'm afraid that I list out some other services which not belong to the current partition

slapos/grid/SlapObject.py

@@ -904,8 +904,10 @@ class Partition(object):
     if len(bad_service_list) > 0:      
       raise ChildProcessError(
         "The following on-watch service(es) is not running:\n%s\n\
-For the details, please check the corresponding log." %
-        '\n'.join(bad_service_list))
+For the details, please check the corresponding log.\n\
+The service path is: %s\n\
+The services is: %s\n" %
+        ('\n'.join(bad_service_list), self.service_path, str(os.listdir(self.service_path))))
     
   def cleanupFolder(self, folder_path):
     """Delete all files and folders in a specified directory