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Re: [Xen-devel] Bug in x86 instruction emulator?

On 15/04/16 18:33, wogiz@xxxxxxxxxxxxxxx wrote:
> On 2016-04-07 04:04, Jan Beulich wrote:
>> We'd need to know which exact exception (including error code and,
>> in the case of #PF, CR2 value) gets raised to the guest by what
>> specific piece of code in the hypervisor. That'll likely mean some
>> instrumentation of the hypervisor code.
>> Jan
> I want to give it a try, but I'm not sure how the hypervisor code
> should be modified.
> Can anyone point me to some documentation or anything else that can
> help me get started?

Very sorry - I have been busy with patches intended for the 4.7 code freeze.

What domU are you using?  Is the issue reproducible from a LiveCD by any


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