From mboxrd@z Thu Jan  1 00:00:00 1970
From: Gleb Natapov <gleb@redhat.com>
Subject: Re: [PATCH v3] kvm-unit-tests : Basic architecture of VMX nested
 test case
Date: Tue, 30 Jul 2013 10:42:12 +0300
Message-ID: <20130730074212.GN18009@redhat.com>
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Cc: Arthur Chunqi Li <yzt356@gmail.com>, kvm <kvm@vger.kernel.org>,
	Jan Kiszka <jan.kiszka@web.de>,
	Paolo Bonzini <pbonzini@redhat.com>
To: Marius Vlad <mv@sec.uni-passau.de>
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On Tue, Jul 30, 2013 at 09:31:17AM +0200, Marius Vlad wrote:
> Hi Arthur, 
> 
>    I'm trying to test your patch on a SandyBridge machine.
> 
>    Used 'nested=1' when loading kvm (from 3.9-1-amd64)
Should be kvm-intel, but you will get error otherwise, so I assume that
this is what you did.

>    and qemu (emulator version 1.5.1 (Debian 1.5.0+dfsg-5)).
> 
>    Without nested=1 I get ``unhandled excecption 13'', so I presume
>    this is OK, with it, the test_vmx_capability() fails at
>    detecting vmx.
> 
>    I've used for qemu:
>    $ qemu-system-x86_64 -enable-kvm -device pc-testdev -device
>    isa-debug-exit,iobase=0xf4,iosize=0x4 -display none -serial stdio -device
>    pci-testdev -kernel x86/vmx.flat -cpu SandyBridge,+vmx,+x2apic -smp 1
> 
>    Are there any knobs which I should further tune?
> 
On the first glance you have everything that is needed. What is the output of
"cat /proc/cpuinfo" in the guest is?

--
			Gleb.