[Lguest] lguest: unhandled trap 13

[Rusty Russell]

On Thu, 11 Feb 2010 05:07:49 pm Avi Kivity wrote:
> On 02/11/2010 08:33 AM, Rusty Russell wrote:
> > I don't have my manuals on me,
> > but It Used To Work.
> >    
> 
> IIRC we used to inject a #GP in that case.  But that's not guaranteed by 
> the documentation.  We could change kvm, but we can't change other 
> hypervisors.

Yes, but from the lguest POV it's a pain; we perform differently under VT
than on real hardware, yet we shouldn't care AFAICT.

It is definitely weird to swallow it silently.  A #UD or #GP seems logical
(we handle both).  But I'll revert to our own hypercalls using int 0x1f.

Thanks,
Rusty.