File dmi-set-unknown-product-name.patch of Package rubygem-ohai-6

--- a/lib/ohai/plugins/dmi.rb     2012-07-24 21:56:14.000000000 +1000
+++ b/lib/ohai/plugins/dmi.rb     2012-07-24 23:06:30.000000000 +1000
@@ -123,3 +123,11 @@
 end
 
 DMI.convenience_keys(dmi)
+
+# Hack to ensure dmi[:system][:product_name] is always set (Crowbar
+# depends on this in several places, but it won't ordinarily be set
+# on xen paravirt guests - see bnc#769880).
+dmi[:system] = {} unless dmi.has_key?(:system)
+dmi[:system][:product_name] = "Unknown (Not Detected)" unless dmi[:system].has_key?(:product_name)
+dmi[:system][:manufacturer] = "Unknown (Not Detected)" unless dmi[:system].has_key?(:manufacturer)
+