kldload vmm partial lockup

[Thomas Hoffmann]

On Sun, Jan 19, 2014 at 5:21 PM, Joe Maloney <jpm820 at gmail.com> wrote:

> I’ve been trying to get bhyve to work on a system with the following specs:
>
> FreeBSD 10.0 64 bit
> ASUS P6T Deluxe
> Intel i7 920
>
> According to what I’ve researched my cpu should have the VT-D extensions.
>  However many users of this motherboard have complained about ASUS not
> properly supporting VT-D with Xen and something about a problem with tables
> getting corrupt due to a problem with the bios.  On the third link below
> which is the Xen wiki it even states that this motherboard needs a bios
> update which is not available to the public.
>
> https://communities.intel.com/thread/28389
>
>
> http://vip.asus.com/forum/view.aspx?id=20090402224408018&SLanguage=en-us&board_id=1
>
> http://wiki.xen.org/wiki/VTd_HowTo
>
> I am curious though if this would be what would be causing my problem with
> bhyve?  I suppose I am willing to just by a new motherboard if so.
>
> I can run kldload vmm and I see a bunch of text fly by and then something
> about uhci interrupt problem.  As soon as that happens the messages repeats
> my network drops and no keyboard input.  However the message repeats and it
> doesn’t appear that the system has fully locked up otherwise.  However on
> another system that works I notice that kldload VMM does not show this
> information it just loads the module.
>
> Is there a way I can gather more logs somehow so that I can determine what
> text is appearing before the uhci errors?  Perhaps some kind of dump
> procedure?  Or is there a way I can confirm that freebsd can properly see
> and utilize the VT-D extensions.  VirtualBox runs fine with the VT
> extensions enabled.  I also made sure VirtualBox wasn’t installed or loaded
> before I tried bhyve.  I’ve tried to research for a week or two before
> posting here.
>
> Joe Maloney
>

According to this, your processor supports VT-x, but not VT-d ;
http://ark.intel.com/products/37147/Intel-Core-i7-920-Processor-8M-Cache-2_66-ghz-4_80-gts-Intel-qpi

-Tom