--- a/mercurial/dispatch.py	Wed Sep 03 15:46:46 2008 +0200
+++ b/mercurial/dispatch.py	Fri Sep 05 10:00:57 2008 +0200
@@ -146,6 +146,8 @@
         ui.warn(_("** or mercurial@selenic.com\n"))
         ui.warn(_("** Mercurial Distributed SCM (version %s)\n")
                % version.get_version())
+        ui.warn(_("** Extensions loaded: %s\n")
+               % ", ".join([x[0] for x in extensions.extensions()]))
         raise
 
     return -1