From mboxrd@z Thu Jan 1 00:00:00 1970 From: chintu hetam Subject: Re: DPDK 2.2 build failing with vhost-kni Date: Mon, 11 Apr 2016 14:57:26 -0400 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Cc: "dev@dpdk.org" To: "Xie, Huawei" Return-path: Received: from mail-wm0-f52.google.com (mail-wm0-f52.google.com [74.125.82.52]) by dpdk.org (Postfix) with ESMTP id B20BD2904 for ; Mon, 11 Apr 2016 20:57:26 +0200 (CEST) Received: by mail-wm0-f52.google.com with SMTP id l6so158504057wml.1 for ; Mon, 11 Apr 2016 11:57:26 -0700 (PDT) In-Reply-To: List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" I tried vhost-user mode, and during init of ./vhost-switch it fails with PMD: eth_ixgbe_dev_init(): port 0 vendorID=3D0x8086 deviceID=3D0x1528 pf queue num: 0, configured vmdq pool num: 64, each vmdq pool has 2 queues EAL: Error - exiting with code: 1 Cause: Cannot initialize network ports it's failing in port_init function, and it seems from http://dpdk.org/doc/guides-1.8/rel_notes/resolved_issues.html this has to with ixgbe checking for eeprom pba parameters. is that correct, coz rebuilding ixgbe 4.3.13 by disabling those lines dint help either? i tried enabling configure CONFIG_RTE_LIBRTE_ETHDEV_DEBUG=3Dy but still i don't see the log messages under /var/log nor on stdout? just to keep ball rolling i'd like to see at least kni compiling and working. FYI, i am using X540-AT2 cheers On Mon, Apr 11, 2016 at 10:09 AM, chintu hetam wrote= : > Thanks Xie. > > I am trying to test FreeBSD-9.3-virtio as guest. Somewhere in the forum i > found virtio-kni combination reaching around 2.7 Gbps performance, which = is > enough for my test, though i dint find equivalent driver performance > characterization for qemu-vhost user space combination. > Also, as per nics-2.2 user guide, "Linux kernel with KVM module; vhost > module loaded and ioeventfd supported. Qemu standard backend without vhos= t > support isn=E2=80=99t tested, and probably isn=E2=80=99t supported",which= is bit different > from vhost user space support,but still.. > > Just to be sure vhost user space =3D qemu virtio backend- tap-linux-bridg= e > configuration, as per nics guide, right? > > Thanking in advance, again. > > > > > > > > On Mon, Apr 11, 2016 at 4:25 AM, Xie, Huawei wrote= : > >> On 4/10/2016 7:26 AM, chintu hetam wrote: >> > I am compiling DPDK 2.2 on Fedora 23 and i am seeing following build >> error >> > >> /home/vcr/devel/dpdk/dpdk-2.2.0/build/build/lib/librte_eal/linuxapp/kni/= kni_vhost.c: >> > In function =E2=80=98kni_sock_poll=E2=80=99: >> > >> /home/vcr/devel/dpdk/dpdk-2.2.0/build/build/lib/librte_eal/linuxapp/kni/= kni_vhost.c:254:25: >> > error: =E2=80=98SOCK_ASYNC_NOSPACE=E2=80=99 undeclared (first use in t= his function) >> > (!test_and_set_bit(SOCK_ASYNC_NOSPACE, &q->sock->flags) && >> > ^ >> >> Hi, besides the issue, now user space vhost is the preferred way to >> switch packets with the virtual machine, and we have plans to remove kni >> vhost support. Do you have any reason to use kni vhost? >> > >