linux-kernel - Re: KVM Nested L2 guest startup problems

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Message-ID: <CAHqbYQvjBmeu2_WzrSesGA=PH+8-ZfYxdmKxvsPfHRYNEcObAg@mail.gmail.com>
Date:	Fri, 2 May 2014 13:07:16 -0400
From:	Hu Yaohui <loki2441@...il.com>
To:	Paolo Bonzini <pbonzini@...hat.com>
Cc:	kvm <kvm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: KVM Nested L2 guest startup problems

On Fri, May 2, 2014 at 11:52 AM, Paolo Bonzini <pbonzini@...hat.com> wrote:
> Il 02/05/2014 17:17, Hu Yaohui ha scritto:
>
>> Hi Paolo,
>> I have tried L0 with linux kernel 3.14.2 and L1 with linux kernel 3.14.2
>> L1 QEMU qemu-1.7.0
>> L2 QEMU qemu-1.7.0.
>
>
> Do you mean L0 and L1?
Yes.
>
> What is your QEMU command line, and what is the processor?  Also, what guest
> you are running?
>
L0 host
- Debian 7 with linux kernel 3.14.2
- 24 pCPU, 120G pMEM
- cpu mode: Intel(R) Xeon(R) CPU E5-2620 v2 @ 2.10GHz
- QEMU command line of L1
$ sudo qemu-system-x86_64 -machine accel=kvm -drive
file=vdisk.img,if=virtio -m 4096 -smp 10 -net
nic,model=virtio,macaddr=52:54:00:12:34:80 -cpu kvm64,+vmx -net
tap,ifname=qtap0,script=no,downscript=no -vnc :2

L1 guest
- Ubuntu 10.04 with linux kernel 3.14.2
- QEMU command line of L2
$qemu-system-x86_64  -machine accel=kvm -smp 2 -boot c -drive
file=/home/nested/vmdisks/vdisk1-virtnet.img,if=virtio -m 2048 -vnc :4
-net nic,model=virtio,macaddr=52:54:00:12:34:90 -net
tap,ifname=qtap0,script=no,downscript=no

L2 guest
- Ubuntu 10.04 with linux kernel 2.6.32
> Paolo
>
>
>> I still get the same error when running qemu in L1 guest.
>
>
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