On 4/1/2019 4:34 PM, James Crist wrote:
Hello, I originally asked this on the FreeNAS forums and was directed here. I'm 
not sure if this is a FreeNAS issue, a bhyve issue, or a me doing something 
wrong issue.

My processor (W3550) supports virtualization but does not have unrestricted 
guest capability. According to the documentation 
(https://www.freebsd.org/doc/handbook/virtualization-host-bhyve.html) it sounds 
like I should still be able to run VMs as long as they only have one vCPU but I 
still get the error. According to this post 
(https://redmine.ixsystems.com/issues/31338) it sounds like this is only true 
for FreeBSD VMs but the source provided doesn't talk about number of cores.

Can someone confirm under what conditions a VM can be run without unrestricted 
guest?

I can't remember exact, but I believe unrestricted guest is also required for UEFI/CSM ( BIOS ) support. If that's true, you may still be able to use bhyveload or grub2-bhyve to boot single vCPU VMs, but not UEFI. Hopefully someone with more knowledge will chime in to correct me if I'm misleading you.

-Matthew

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