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Re: [Qemu-devel] help me for nahanni device

From: Cam Macdonell
Subject: Re: [Qemu-devel] help me for nahanni device
Date: Wed, 3 Jul 2013 09:26:11 -0600


Can you please try with the most recent version?  I would suggest building from the source code which can be found here:



On Tue, Jul 2, 2013 at 7:50 PM, DAI Weibin <address@hidden> wrote:

Hello Cam,

I am honored that receive your reply.


1 the QEMU version is showed as following, the version is 1.0.50

address@hidden sh-vm]# /opt/qemu-kvm-rt/x86_64-softmmu/qemu-system-x86_64 -version

QEMU emulator version 1.0.50 (qemu-kvm-devel), Copyright (c) 2003-2008 Fabrice Bellard

address@hidden sh-vm]#


2 ”QEMU/KVM doesn't work”

My mean is that qemu has been start, but I can’t log on VM or ping VM IP.

When only attach a nahanni device, all are ok.


Thank you.


Dai weibin


From: address@hidden [mailto:address@hidden] On Behalf Of Cam Macdonell
Sent: 2013
73 0:20
To: DAI Weibin
Cc: address@hidden
Subject: Re: [Qemu-devel] help me for nahanni device


Hello Dai,


Which qemu version you are using?  When you say QEMU/KVM "doesn't work", do you mean it does not start?




On Mon, Jul 1, 2013 at 12:39 AM, DAI Weibin <address@hidden> wrote:

Hi all,

When use nahanni device as following, The QEMU/KVM doesn’t work.

I attach two ivshmem devices to VM, QEMU/KVM only supports a ivshmem device, why?

Expect your reply!



        -device virtio-net-pci,vlan=0,id=net0,mac=DE:AD:BE:09:03:01,bus=pci.0,addr=0x5 \

        -net tap,script=/etc/qemu-ifup \

        -device ivshmem,size=256m,shm=l1shm \

        -device ivshmem,size=256m,shm=l2shm \

        -usbdevice tablet \

        -vnc :2 \



Best regards






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