Re: [Xen-users] Getting VMX (VT-X) enabled XEN

[Andrew Ross <aross@xxxxxxxxxx>]

Derek Sherlock wrote:

> I want to use Xen on an Intel core2 Duo system with unmodified WinXP
> guest OS.  The dom0 OS is Gentoo running Xen.  Both the xen hypervisor
> and the dom0 kernel were compiled from sources installed by emerge.

I'm one of the maintainers of the Xen ebuilds, so hopefully I can
provide some assistance. However, I don't have access to any systems
with hardware virtualization, so my experience is limited to
paravirtualization and compile-time issues.

> The problem:  I can't find any VMX-specific files in my installation. 
> For example, there's no /etc/xen/xmexample.vmx, no file named vmxloader
> anywhere on the system, etc.

The Xen name is HVM, not VMX, which may explain some of the trouble
you're having locating the files.

aross@oak ~/gentoo-x86 $ equery files xen-tools | fgrep hvm
/etc/xen/xmexample.hvm
/usr/lib/xen/boot/hvmloader

> The gentoo Xen HOWTO warns that libsdl must be installed prior to
> compuling xen itsself, or Xen will build itsself in a VMX-incompatible
> way.

That information is out-of-date, as app-emulation/xen-tools-3.0.2-r3
supports the sdl and vnc USE flags.

Cheers

Andrew Ross
Gentoo Developer

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