Re: [Xen-users] Intel VT-d Support

[Jeroen Torrekens <jeroen.torrekens@xxxxxxxxxxx>]

----- "Stephan Seitz" <s.seitz@xxxxxxxxxxxx> wrote:
> Igor Chubin schrieb:
> > 
> > Hello all, 
> > 
> > 
> > please tell me, how can I be sure that 
> > my Xen installation is built with Intel VT-d support?
> > 
> > Something like 
> > 
> > xm info | grep -i KEY-REGULAR-EXPRESSION
> > xm dmesg | grep -i KEY-REGULAR-EXPRESSION
> > 
> > 
> > What line I should look for?
> > 
> > And if it's really built with it, 
> > how can I be sure, that Xen has successfully 
> > initialized VT-d hardware?
> 
> As far as I know, xm dmesg should show this, but I didn't find any
> vt-d enabled hardware by now.
> If you're hardware supports vt-d could you please post the model and
> vendor?
> 
> 
> 
> > I have read [1] and the lists archives 
> > and found no answers for my question.
> > 
> > 
> > 
> > Thank you in advance.
> > 
> > 
> > 
> > [1] http://wiki.xensource.com/xenwiki/VTdHowTo
> > 

You should try a cat /proc/cpuinfo and search for vmx. If you see this in the 
dom0, then it recognizes the VT instruction set in the CPU.

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