[Xen-users] Re: Loosing vmx flag with Lenny 2.6.26-1-xen-amd64 on Q9400

[Markus Kiefer <markus@xxxxxxxxxx>]

Hi.

Fajar A. Nugraha schrieb:
> On Mon, Feb 2, 2009 at 10:23 PM, Markus Kiefer <markus@xxxxxxxxxx> wrote:
> > > I think the HVM (as well as some other) flag is hidden intentionally
> > > on some versions of xen. Same thing happened on my RHEL 5 + Xen 3.3.1
> > > while the flag still shows up on RHEL 5's stock Xen. Both systems are
> > > able to start HVM domU normally.
> > I tried. And it didn't work.
> > Creation stops immediately, with xm stating that my cpu doesn't support HVM.
> > :-/
> Did you check the BIOS? If I remembered correctly, the flag still
> shows even when BIOS disabled it.
I just checked again:
Virtualization is enabled,
VT for direct I/O is enabled,
Should I enable Trusted execution?
As far as I can tell from Intel's website, there is no version of the 
Q9400 that doesn't support VT. By the way, the machine is a Dell 
Optiplex 755MT.

> There is another looong way to check it :
> - boot normal kernel
> - install vmware or Virtualbox
> - install 64bit guest
>
> If it works, CPU supports HVM and enabled in BIOS. If it doesn't,
> something wrong with one of them.
Sigh. I'll try that.

Regards,
Markus


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