Re: [kvm-devel] bugreport: guest crashes on reboot in KVM 65 on AMD

[Joerg R. <joe...@am...>]

On Mon, Apr 14, 2008 at 01:29:50PM +0300, Avi Kivity wrote:
> Joerg Roedel wrote:
> >Only the state saved in the VMCB is undefined after an intercepted
> >shutdown event. 
> 
> The vmcb stores two types of states, guest state and control
> information.  Are both undefined?

Only the guest state is undefined.

> 
> >I am not sure if I understand your second question, what
> >do you mean with "core melting down" vs. guest initiated shutdown?
> >  
> 
> IIRC shutdown can occur not only as a result of triple faults, due to
> other internal errors or inconsistent state.  Not sure about that
> though.

No, there is no way to to differentiate between a shutdown caused by a
triple fault and other shutdown situations. If the shutdown event is
caused by a too hot processor it is not intercepted. This situation is
handled like a normal cpu shutdown.

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