Successfully running Dragonfly on Xen 4.2.1

Sdävtaker sdavtaker at
Wed Jan 30 04:57:02 PST 2013

Nice, is there any special branch you using?
I can test in some boxes here.


On Wed, Jan 30, 2013 at 12:19 PM, Markus Pfeiffer
<markus.pfeiffer at> wrote:
> Dear all,
> I am successfully running Dragonfly as Xen 4.2.1 HVM guest for about 8
> weeks now.
> Successfully with a small hitch: On my Bulldozer FX-8150 system, if I
> give the system more than 2 VCPUs on bootup programs fail with SIGFPE
> (Signal 8). I have not looked into this any further, it might be a
> XEN issue or a Dragonfly issue.
> For reference, FreeBSD works fine with 4 VCPUs.
> I have started importing the FreeBSD xenpci drivers to get block
> and network devices without the additional layer of indirection hoping
> to increase performance a bit.
> PCI passthrough works brilliantly which means that I can probably a lot
> more efficiently work on the XHCI issues now.
> Cheers,
> Markus

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