>On Thu, Jun 6, 2013 at 5:27 PM, jinho hwang <hwang.jinho at gmail.com> wrote:
>
>> Hi,
>>
>> I am having trouble to compile the dpdk in a virtual machine. I am using
>> KVM as a hypervisor, and guest os is ubuntu 12.10, kernel 3.5.0, x86_64. I
>> have been using dpdk for a week and run the examples in a native platform.
>> But when I try to move it to virtual machine, it gives me the following
>> error:
>>
>> /home/guest/dpdk-1.2.3r1/lib/librte_eal/linuxapp/eal/eal.c:1:0: error: CPU
>> you selected does not support x86-64 instruction set
>>
>> I am sure that I have installed 64 bit version as it shows in "uname -a".
> Also, /proc/cpuinfo shows "model name: QEMU Virtual CPU version
> >(cpu64-rhe16)".
>>
>> Do you have any idea?
>>
>> Thank you,
>>
>> Jinho
>>
>
>I figured out just now. It was because gcc version. I used to use 4.4, but
>in the guest virtual machine, I used 4.7 which may have additional
>functions to check strictly. - Jinho
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This error can also be cause by the VM's CPU definition not being defined.   The following xml snippet of code is from my DPDK VM's definition.
</cpu>