Re: [PATCH 0/8 v3] KVM support for 1GB pages

[Avi Kivity]

On 06/22/2009 12:49 PM, Joerg Roedel wrote:
> > > After the rework it even fails to boot a guest with gbpages enabled. This week
> > > is a bit tight but I will debug this further next week.
> > >
> > >        
> > Does the failure happen only when both guest/host use gbpages, or does
> > it also happen if gbpages is disabled on either one?
> >      
>
> It happens only when the guest uses gbpages. If I disable them at boot the
> linux guest boots fine and runs stable.
>    

This seems to point the finger at the write protection logic, either we 
create a gbpage even though there are shadowed page tables in its area, 
or (more likely) we don't break up a gbpage when we write protect a page.

--
error compiling committee.c: too many arguments to function

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