Xen users - Jun 2008 - Processor doesn''t support Full Virtualization

I have three xen servers running on HP Compaq DL360-G5 hardware. I went
to bring up a win2k3 domU on one of them and I get an error:
"The processor(s) in this machine do not support Full Virtualization"

I compared two of the servers using a script from novell (sysinfo). The
only difference I can see in the systems is the stepping. The one that
works the stepping is 15. For the other it''s 6. Everything else is
identical as far as I can tell. Same processor model, speed, etc.

I''m 99% positive that VT is enabled. (IIRC xen won''t even run
without
it.) I''m going to try and look at the BIOS setting after hours. 

Could the stepping be causing the issue?
Any ideas what I might be missing?
 
Any help is appreciated. 

James


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>Could the stepping be causing the issue?
Not unless the revision your new, workiong replaces is a vt failure :)
>Any ideas what I might be missing?
>
>Any help is appreciated.
Xen only needs the extensions if you plan to do full virt, or hvm. It runs well
on older hardware for para virt guests.

Check your bios, its likely disabled, update it if need be.
jlc

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> Xen only needs the extensions if you plan to do full virt, or hvm. It runs
well on older hardware for para virt guests.
> 
> Check your bios, its likely disabled, update it if need be.
Yeah, you were both right. I swear I had enabled that already... Oh
well.

Thanks,
James


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