Re: [Xen-devel] [BUG] 'o' debug key panics the hypervisor

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Thu, Aug 27, 2015 at 04:07:36PM +0200, Roger Pau Monné wrote:
> El 27/08/15 a les 16.01, Jan Beulich ha escrit:
> >>>> On 27.08.15 at 13:29, <roger.pau@xxxxxxxxxx> wrote:
> >> When using Intel hardware without shared page tables between the IOMMU 
> >> and EPT (I have not tried if the same happens when sharing the page 
> >> tables), the following crash happens if I press the 'o' debug key with 
> >> a HVM guest running. The guest doesn't have any device passed-through.
> > 
> > This last thing is the relevant one: No-one ever cared to use 'o' without
> > also passing through a device.
> 
> I have to admit I discovered this when I thought I was typing at the
> Dom0 console but it turns out I had it switched to the Xen console...
> Anyway, it shouldn't crash Xen.

And it would be called by '*' which is often used in the field to
collect data.

I concur on the not-crashing Xen part.
> 
> Roger.
> 
> 
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