Index: modules/user/user.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/user/user.module,v
retrieving revision 1.892
diff -u -p -r1.892 user.module
--- modules/user/user.module	3 Feb 2008 19:23:01 -0000	1.892
+++ modules/user/user.module	5 Feb 2008 15:19:46 -0000
@@ -139,6 +139,8 @@ function user_external_login($account, $
  *   cannot be loaded.
  */
 function user_load($array = array()) {
+  debug_print_backtrace();
+
   // Dynamically compose a SQL query:
   $query = array();
   $params = array();