From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail1.viosoft.com (173-164-244-81-SFBA.hfc.comcastbusiness.net [173.164.244.81]) by dpdk.org (Postfix) with ESMTP id 1D4A5567A for ; Mon, 28 Sep 2015 04:42:49 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by mail1.viosoft.com (Postfix) with ESMTP id 948832A421E4 for ; Mon, 28 Sep 2015 03:27:24 +0000 (UTC) Received: from mail1.viosoft.com ([127.0.0.1]) by localhost (mail1.viosoft.com [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id 4dqG0jaYVIj8 for ; Mon, 28 Sep 2015 03:27:23 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by mail1.viosoft.com (Postfix) with ESMTP id B25E22A4236B for ; Mon, 28 Sep 2015 03:27:23 +0000 (UTC) X-Virus-Scanned: amavisd-new at mail1.viosoft.com Received: from mail1.viosoft.com ([127.0.0.1]) by localhost (mail1.viosoft.com [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id 4GGL97MaHtAK for ; Mon, 28 Sep 2015 03:27:23 +0000 (UTC) Received: from mail1.viosoft.com (mail1.viosoft.com [10.0.3.138]) by mail1.viosoft.com (Postfix) with ESMTP id 7AF782A421E4 for ; Mon, 28 Sep 2015 03:27:23 +0000 (UTC) Date: Mon, 28 Sep 2015 03:27:23 +0000 (UTC) From: Nguyen Van Long To: dev@dpdk.org Message-ID: <1522256370.1182490.1443410843370.JavaMail.zimbra@viosoft.com> MIME-Version: 1.0 X-Originating-IP: [10.0.3.138] X-Mailer: Zimbra 8.6.0_GA_1153 (ZimbraWebClient - FF35 (Linux)/8.6.0_GA_1153) Thread-Topic: ERROR: Invalid module format Thread-Index: HmFNPu10QogSfnVpmJ/gsWZO2o3xmg== Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: [dpdk-dev] ERROR: Invalid module format X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 28 Sep 2015 02:42:49 -0000 Hi all,=20 I am building DDPK and OVS as the instruction in https://software.intel.com= /en-us/blogs/2015/06/09/building-vhost-user-for-ovs-today-using-dpdk-200=20 My scenario is that I have 2 machines, one is called building machine (for = build dpdk) and the another is called deploy machine.=20 After finishing building DPDK in building machine, I copy all dpdk folders = to deploy machine and try to setup DPDK devices in this machine as:=20 RTE_SDK=3D=E2=80=9D${HOME}/dpdk-2.0.0 RTE_TARGET =3D=E2=80=9Dx86_64-ivshmem-linuxapp-gcc=E2=80=9D # Install and bind UIO interface eth0 sudo modprobe uio sudo insmod ${RTE_SDK}/${RTE_TARGET}/kmod/igb_uio.ko=20 Unfortunately, I got the error:=20 insmod: ERROR: could not insert module ../dpdk-2.0.0/x86_64-ivshmem-linuxap= p-gcc/kmod/igb_uio.ko: Invalid module format=20 I doubt that the different linux kernel causes the problem (linux kernel in= building machine is 3.16.0.49 and in deploy machine is 3.16.0.30)=20 but don't know how to fix that. Could you have any solution to build and de= ploy dpdk in machine with different kernel?=20 Thank and best regard!=20