On Tue, Jun 24, 2014 at 11:21 AM, Thomas Monjalon <thomas.monjalon at 6wind.com > wrote:
> Welcome Alex. > Please, for future messages, try to answer below as explained here: > http://dpdk.org/ml > > 2014-06-24 11:12, Alex Markuze: > > Thomas Monjalon <thomas.monjalon at 6wind.com> wrote: > > > 2014-06-23 15:42, Alex Markuze: > > > > Hi, I'm new to DPDK and Im trying to compile on a x86 Ubuntu 14.04 > > > 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. > > > > I've resolved the issue in a similar way by modifying the VM xml config > > file with this line > > <cpu mode='host-passthrough?/>. > > > > I was wondering if a Makefile/.config solution exists w/o modifying an > > existing VM in cases where its not possible. > > I've tried to modify the .config file with 'CONFIG_RTE_MACHINE="native" > -> > > CONFIG_RTE_MACHINE="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 file > > 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 should > set > CONFIG_RTE_MACHINE="default" > in your .config file. > > My wish is to be able to compile DPDK on a VM that has "model name : QEMU Virtual CPU version 2.0.0" I'm guessing that the gcc doesn't understand the Arch so it throws this error: "error: CPU you selected does not support x86-64 instruction set" I was looking for a way to tell the gcc not to worry about the QEMU cpu and just compile x86_64 binary. > -- > Thomas >
