haven't been following this thread in detail but have you seen <a href="http://rawhidewatch.wordpress.com/2009/07/31/unable-to-update-to-rawhide-rpmlibpayloadisxz/">http://rawhidewatch.wordpress.com/2009/07/31/unable-to-update-to-rawhide-rpmlibpayloadisxz/</a><br>