Successfully running Dragonfly on Xen 4.2.1 (Markus Pfeiffer)

Scott Tincman sctincman at
Wed Jan 30 12:11:04 PST 2013

On Wed, 30 Jan 2013 12:00:02 -0800
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 been running a 3.2.2 image and git head under QEMU-KVM with 4 VCPUs
allocated (on an Opteron 23xx), and both have worked fine for me. 

Hopefully this helps hint at what may be wrong?


More information about the Users mailing list