Working with HVM
Regardless of what sort of hardware virtualization you want to use, the first thing to do is check whether your machine supports HVM. To find out if you've got a supported processor, check /proc/cpuinfo. Processors that support VT-x will report vmx in the flags field, while Pacifica-enabled processors report svm.
Even if you have a supported processor, many manufacturers have HVM turned off in the BIOS by default. Check xm dmesg to ensure that the hypervisor has found and enabled HVM support correctly—it should report "(XEN) VMXON is done" for each CPU in the machine. If it doesn't, poke about in the BIOS for an option to turn on hardware virtualization. On our boards, it's under chipset features and called VT Technology. Your ...
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