Re: [nvmx testing, linux on linux] Disabling EPT in L1 renders L2 stuck on boot

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On Wed, Oct 9, 2013 at 1:46 PM, Gleb Natapov <gleb@xxxxxxxxxx> wrote:
> On Wed, Oct 09, 2013 at 11:52:29AM +0530, Kashyap Chamarthy wrote:
>> On Tue, Oct 8, 2013 at 8:18 PM, Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote:
>> > Il 08/10/2013 15:03, Paolo Bonzini ha scritto:
>> >> Il 08/10/2013 07:38, Kashyap Chamarthy ha scritto:
>> >>> On Mon, Oct 7, 2013 at 6:29 PM, Kashyap Chamarthy <kashyap.cv@xxxxxxxxx> wrote:
>> >>>> Gleb, so I just did a trace of KVM MMU to try to understand why L2 is
>> >>>> stuck with shadow on EPT
>> >>>
>> >>> Paolo, were you able to reproduce this again? Yesterday, on #qemu you
>> >>> mentioned you'll test it again :-)
>> >>
>> >> Yes, I could reproduce it too.
>
> 72f857950f6f19cba42a9ded078bbc99f10aa667 causes it and I ran kernel
> without this commit. Will look into it.

Thank you, this fixed it. I tested by applying your patch from the
other email.[1]

I'm now able to boot L2 guest with shadow-on-EPT with the above fix.

Thank you.

/kashyap

[1] http://www.mail-archive.com/kvm@xxxxxxxxxxxxxxx/msg96484.html
>
> --
>                         Gleb.
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