[dpdk-users] DPDK build failed in virtual machine

Murali Krishna murali.krishna at broadcom.com
Fri Dec 28 11:43:43 CET 2018


can you try compiling dpdk after setting 'Copy host CPU configuation'
option under CPU settings of that VM in virt-manager.

Regards,
Murali

On Fri, Dec 28, 2018 at 2:57 PM wuzhouhui <wuzhouhui14 at mails.ucas.ac.cn>
wrote:

>
> > -----Original Messages-----
> > From: "Tom Barbette" <barbette at kth.se>
> > Sent Time: 2018-12-27 18:20:30 (Thursday)
> > To: wuzhouhui <wuzhouhui14 at mails.ucas.ac.cn>, "users at dpdk.org" <
> users at dpdk.org>
> > Cc:
> > Subject: RE: [dpdk-users] DPDK build failed in virtual machine
> >
> > Hi,
> >
> > By default DPDK build for the current CPU.
> >
> > I guess in your virtual machine configuration you enabled emulation of a
> CPU instead of CPU passthrough. This is the default of libvirt I think. The
> default emulated CPU has no fancy insturctions by default, and is, it seems
> from your error log, set in 32bit mode.
> >
>
> What do you mean "set in 32bit mode"? The arch of virtual machine is
> x86_64, so the cpu should
> be in 64 bit mode.
>
> Thanks.
> Wu
>
> > Tom
> >
> > ________________________________________
> > De : users <users-bounces at dpdk.org> de la part de wuzhouhui <
> wuzhouhui14 at mails.ucas.ac.cn>
> > Envoyé : lundi 24 décembre 2018 03:51
> > À : users at dpdk.org
> > Objet : [dpdk-users] DPDK build failed in virtual machine
> >
> > Hi,
> >
> > A naive question, but I couldn't find any clue when searching Internet.
> >
> > When I build DPDK in a CentOS-6.3 virtual machine, I got some errors:
> >
> > [wzh at CentOS6-compiler dpdk-stable-18.05.1]$ make config
> T=x86_64-native-linuxapp-gcc
> > Configuration done using x86_64-native-linuxapp-gcc
> > [wzh at CentOS6-compiler dpdk-stable-18.05.1]$ make
> > cc1: error: CPU you selected does not support x86-64 instruction set
> > == Build lib
> > cc1: error: CPU you selected does not support x86-64 instruction set
> > == Build lib/librte_compat
> > cc1: error: CPU you selected does not support x86-64 instruction set
> >   SYMLINK-FILE include/rte_compat.h
> > == Build lib/librte_eal
> > cc1: error: CPU you selected does not support x86-64 instruction set
> > ^Cmake[2]: *** [librte_eal] Interrupt
> > make[1]: *** [lib] Interrupt
> > make: *** [all] Interrupt
> >
> > [wzh at CentOS6-compiler dpdk-stable-18.05.1]$ gcc --version
> > gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-4)
> > Copyright (C) 2010 Free Software Foundation, Inc.
> > This is free software; see the source for copying conditions.  There is
> NO
> > warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
> PURPOSE.
> >
> > But build in host (CentOS-6.3) seems fine. Does it means that DPDP
> cannot be
> > build in virtual machine?
> >
> > Thanks.
>


More information about the users mailing list