[Xen-devel] RE: HAP Failure with 64Bit Windows 2003

["Huang2, Wei" <Wei.Huang2@xxxxxxx>]

Yes, I think it is related to the synchronization between vmcb->cr0 and
cpu_shadow_cr0. Need more investigation... Maybe these two guests do
internal consistency checking and bail out whenever they find errors.
Not sure yet.


-Wei

Tim Deegan wrote:
> At 11:45 -0500 on 13 Jul (1184327144), Huang2, Wei wrote:
>> I found that your small patch (changeset 15291) caused failure with
>> Windows 2003 64Bit and Vista 64Bit under nested paging. It turned out
>> that intercepting CR0 read should not be disabled.
> 
> Why not?  Is the guest's CR0 not synchronised with cpu_shadow_cr0?
> Or is there some other reason?
> 
> Cheers,
> 
> Tim



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