Another update (kernel-2.6.31-0.1.2.60.rc7.git4.xendom0.fc12) is at http://koji.fedoraproject.org/koji/taskinfo?taskID=1636489 and on the repository http://fedorapeople.org/~myoung/dom0/ . This one actually boots for me on i686 as well as x86_64. Michael Young