diff -up site-packages/rpmUtils/arch.py.dist site-packages/rpmUtils/arch.py
--- site-packages/rpmUtils/arch.py.dist	2013-02-22 20:26:34.000000000 +0900
+++ site-packages/rpmUtils/arch.py	2014-06-08 20:49:58.777572356 +0900
@@ -199,6 +199,9 @@ def getArchList(thisarch=None):
     # sparc64v is also sparc64 compat
     if archlist[0] == "sparc64v":
         archlist.insert(1,"sparc64")
+    # XXX enable i686 packages for i586; only do this for patched kernel!
+    if archlist[0] == "i586":
+        archlist.append("i686")
     
     # if we're a weirdo arch - add noarch on there.
     if len(archlist) == 1 and archlist[0] == thisarch: