Re: [Xen-devel] Re: Xen reboots when trying to start new domain

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

Okay, I pushed some cleanups to BUILDDOMAIN. In particular we now
check that the specified pagetable is in fact a valid pagetable :-D

 -- Keir

> 
> Right. And then does the builder go right ahead and call
> DOM0_BUILDDOMAIN anyway? :-)
> 
> The error checking in there is currently rather poor. I shall fix it
> up and let you know when I'm done. I'm expecting that this will
> prevent the triple fault.
> 
>  -- Keir
> 
> > The domain builder just passes the error up to the caller:
> > 
> > <snip>
> >     ctxt->cpu_ctxt.esi = VADDR(KPTDI, startinfopa); /* start info mapped
> > address */
> >     ctxt->cpu_ctxt.eax = PTOM(IdlePTD);
> >     ctxt->cpu_ctxt.ebx = PTOM(KPTphys);
> >     ctxt->cpu_ctxt.edi = physindex;
> > 
> >     if (finish_mmu_updates(xc_handle, mmu))
> >     goto error_out;
> > 
> >     /* index of first free physical page */
> >     return physindex;
> >  error_out:
> >     return -1;
> > 
> > }
> > 
> > 
> >                     -Kip
> > 
> > 
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