Re: bugreport: guest crashes on reboot in KVM 65 on AMD

[Joerg Roedel <joerg.roedel@amd.com>]

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.

-- 
           |           AMD Saxony Limited Liability Company & Co. KG
 Operating |         Wilschdorfer Landstr. 101, 01109 Dresden, Germany
 System    |                  Register Court Dresden: HRA 4896
 Research  |              General Partner authorized to represent:
 Center    |             AMD Saxony LLC (Wilmington, Delaware, US)
           | General Manager of AMD Saxony LLC: Dr. Hans-R. Deppe, Thomas McCoy


-------------------------------------------------------------------------
This SF.net email is sponsored by the 2008 JavaOne(SM) Conference 
Don't miss this year's exciting event. There's still time to save $100. 
Use priority code J8TL2D2. 
http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone