diff -r 160fd06312fc -r b2a78b950a51 hgext/evolve.py
--- a/hgext/evolve.py	Tue Oct 28 18:06:28 2014 -0700
+++ b/hgext/evolve.py	Mon Sep 29 21:23:09 2014 -0400
@@ -1321,7 +1321,8 @@
     # search of a parent which is not killed
     while not newer or newer == [()]:
         ui.debug("stabilize target %s is plain dead,"
-                 " trying to stabilize on its parent")
+                 " trying to stabilize on its parent" %
+                 obs)
         obs = obs.parents()[0]
         newer = obsolete.successorssets(repo, obs.node())
     if len(newer) > 1: