From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Monjalon Subject: Re: intel x540-at2 Date: Fri, 03 Jan 2014 14:59:48 +0100 Message-ID: <2222689.ZaZrjrm4Tt@x220> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Cc: "dev-VfR2kkLFssw@public.gmane.org" To: Jose Gavine Cueto Return-path: In-Reply-To: List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces-VfR2kkLFssw@public.gmane.org Sender: "dev" 03/01/2014 13:43, Venkatesan, Venky : > "Jose Gavine Cueto" wrote: > > I tried to debug it with GDB and disassembled it, the invalid instruction > > was "vzeroupper" which occurs at rte_eal_init, somewhere when initializing > > pthreads. > Was the DPDK library compiled on a different machine and the used in the VM? > It looks like it has been compiled for native AVX (hence the vzeroupper). > Could you dump cpuinfo in the VM and see what instruction set the VM > supports? If you are using qemu, the instruction set of the host CPU is used thanks to -cpu host -- Thomas