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Re: [Qemu-discuss] How to emulate vmx feature in qemu?

From: Parfait Tokponnon
Subject: Re: [Qemu-discuss] How to emulate vmx feature in qemu?
Date: Fri, 26 Aug 2016 11:08:44 +0100

-no-kvm because I don't want to expose any host VMX/SVM to the virtual machine. I just want qemu to emulate the VMX capability. It is possible, Isn't it?
Anyway removing this option does not solve the problem.
It worths noticing that qemu emulates SVM well in my system.

2016-08-26 7:43 GMT+01:00 Narcis Garcia <address@hidden>:
Why -no-kvm ?

El 26/08/16 a les 00:33, Parfait Tokponnon ha escrit:
> Hello
> I read from here
> <https://www.kernel.org/doc/Documentation/virtual/kvm/nested-vmx.txt>
> that vmx capability support on quemu must be explicitely enable by
> providing +vmx option to the command but the probllem is that it does
> not seem to work. In my system, VMX feature is still undetected.
> Command:
> |qemu-system-x86_64 -no-kvm -cpu qemu64,+vmx,-svm ... |
> In my guest OS, when I execute cpuid 1 I get ECX = 0x80802001; bit 5 = 0
> meaning that my virtual CPU does not have VMX.
> Is this a bug ?
> Or there is other way to enable vmx feature in qemu?
> --
> Parfait T.

Parfait T.

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