Running a domU with FC4 release 1268?

[Jeffrey Buell]

> With release 1240 I was able to follow pretty closely the 
> QuickStart guide
> and get a domU running.  Now with release 1268 I follow the 
> same procedure
> and get dom0 up, but 'xm create -c base' immediately crashes 
> with the message
> 
> unable to handle kernel paging request at virtual address 8b04ec93
> 
> Any ideas what may be wrong?  Has anybody else used Xen with 
> release 1268?

Anybody running Xen on FC4 devel?  I updated to release 1275 and now domU
boots and gives a login prompt, but in response to "root" I get this message:

login:  no shell:  permission denied

Is this another bug or is something else going on?

Jeff