From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thomas Monjalon <thomas.monjalon-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
Subject: Re: Fwd:  CPU does not support x86-64 instruction set
Date: Tue, 24 Jun 2014 10:21:04 +0200
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To: Alex Markuze <alex-I7wstvAgZDk@public.gmane.org>
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Welcome Alex.
Please, for future messages, try to answer below as explained here:
=09http://dpdk.org/ml

2014-06-24 11:12, Alex Markuze:
> Thomas Monjalon <thomas.monjalon-pdR9zngts4EAvxtiuMwx3w@public.gmane.org> wrote:
> > 2014-06-23 15:42, Alex Markuze:
> > > Hi, I'm new to DPDK and Im trying to compile on a x86 Ubuntu 14.0=
4
> > VM(KVM).
> > > And I'm getting this error:
> > >
> > > "error: CPU you selected does not support x86-64 instruction set"=

> >
> > You should try "-cpu host" option of Qemu/KVM in order to have the =
full
> > instruction set of your host.
>=20
> I've resolved the issue in a similar way by modifying the VM xml conf=
ig
> file with this line
> <cpu mode=3D'host-passthrough=E2=80=99/>.
>=20
> I was wondering if a Makefile/.config solution exists w/o modifying a=
n
> existing VM in cases where its not possible.
> I've tried to modify the .config file with 'CONFIG_RTE_MACHINE=3D"nat=
ive" ->
> CONFIG_RTE_MACHINE=3D"x86-64"'
> But it didn't seem to matter (I didn't explore this much farther, I
> dint really try a clean build and didn't make sure that the .config f=
ile
> I've modified was read).

Not sure to understand what you want.
If you try to build DPDK for most of machines (including VM), you shoul=
d set
=09CONFIG_RTE_MACHINE=3D"default"
in your .config file.

--=20
Thomas