--- ubuntu/backends/packaging_rpm.py~	2007-07-14 16:59:17.000000000 +0200
+++ ubuntu/backends/packaging_rpm.py	2008-04-06 20:39:31.675388970 +0200
@@ -145,6 +145,8 @@
         # XXX is there an rpmlib method for this?
         f = open('/etc/rpm/platform')
         line = f.readline()
+        while line == '' or line[0] == '#':
+            line = f.readline()
         f.close()
         (arch,vendor,os) = line.split('-')
         return arch