[Xen-devel] Re: No VT-d with Xen 3.3/3.4rc3 on Intel-Board DQ45CB

[Christian Tramnitz <chris.ace@xxxxxxx>]

So what is your actual problem then?

> (XEN) I/O virtualisation enabled
This means VT-d is enabled.

If you are wondering about:
> (XEN) I/O virtualisation for PV guests disabled
You may want to have a look at iommu=pv if that is what you need...


Best regards,
   Christian

Tim Kaufmann wrote:
> Hello,
>
> my system: Intel DQ45CB with latest BIOS (0079 as of April 6th 2009) and 
> VT-d enabled, Core 2 Quad Q9550 (E0), 8 GB RAM.
> Tested with OpenSuse 11.1, packaged Kernel/Xen 3.3 and kernel opts 
> "iommu=1", "iommu=1 msi=1", "dom0_mem=1024M iommu=1", "dom0_mem=1024M 
> iommu=1 msi=1". System freezes on boot, last messages displayed are
> (XEN) I/O virtualisation enabled
> (XEN) I/O virtualisation for PV guests disabled
>
> Installed Debian Lenny and compiled 2.6.18.8 / Xen 3.4rc3 - same result 
> as above.
> I'd like to help debugging this, but I'd need someone to help me setting 
> up Serial-over-LAN with one of my other computers (Ubuntu 8.04 LTS, XP, 
> Mac OS X 10.5).
> Tim

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