Hi, I have a problem with the way Ubuntu 12.04 is virtualized on Citrix XenServer 6.1. I'm not entirely sure about this, but I believe the system uses paravirtualization. I want to use the GPU passthrough feature, so I believe I need to be in hardware virtualization mode, because if I try to start up the VM as it is currently configured, with the vgpu assigned to it, I get the error message "The VM is set up to use a feature that requires it to boot as HVM." So how do I install Ubuntu 12.04 so that it boots as HVM? Thanks.
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