Sounds like you''re hitting this flag day: 
http://opensolaris.org/os/community/on/flag-days/pages/2008030301/
You can''t use a current Install kernel on a build 84 system.  You need 
to update both your kernel and your xvm packages, using bfu and 
update_xvm or using a standard upgrade path.
-Ryan
Liam Merwick wrote:> [ Redirecting to xen-discuss@opensolaris.org ]
> 
> xiao liu wrote:
>> I installed Nevada b84 on my laptop then built latest onnv-gate 
>> on it.
>>
>> After I installed it using Install and try to boot, 
>> it panic for don''t know "/xpvd" (hvmboot_rootconf
failed)
>>
>> Seems b84 don''t support xpvd/xpv, What should I do now,
>> should I use BFU instead?
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