cannot install FreeBSD 12.0 Xen 4.12.1 on Intel Core i7 CPU 930

[Roger Pau Monné]

On Wed, Oct 16, 2019 at 12:07:50PM +0300, Stefan Parvu wrote:
> 
> > If your box doesn't have a serial header, you can add noreboot to
> > xen_cmdline and paste a photo of the screen with the panic message,
> > it's not great but at least we would get an idea of what's wrong.
> > 
> 
> Im not sure I can setup a serial console on this wkst. Will check.
> 
> The last thing I see is this:
> http://www.kronometrix.org/bugs/freebsd_xen.jpg <http://www.kronometrix.org/bugs/freebsd_xen.jpg> but nothing like a thread dump,
> stack trace etc … 

Your box doesn't seem to have an iommu (aka vt-d for Intel).

> But you need all boot log. I will try your option tonight. I cant access the hardware now.

If you can that would be helpful, but AFAIK this box is simply not
capable of running a Xen PVH dom0 (which is the only mode FreeBSD
supports in order to work as dom0). Either it has a broken iommu or no
iommu at all.

Roger.