From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ferruh Yigit Subject: Re: DPDK 1705 on libpcap drivers has drops? Date: Thu, 19 Oct 2017 09:22:07 -0700 Message-ID: <07d11467-18fd-2d30-54eb-0566c51dc85b@intel.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Cc: "dev@dpdk.org" To: "Kuusisaari, Juhamatti" Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id 812F11B24E for ; Thu, 19 Oct 2017 18:22:34 +0200 (CEST) In-Reply-To: Content-Language: en-US List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 10/19/2017 1:03 AM, Kuusisaari, Juhamatti wrote: > > Hi, > >> We are testing on 1705 over libpcap driver and unfortunately we are seeing >> surprisingly large drops. They are seen with low rate/ping randomly and with >> high rate the throughput is very limited (even 30 % drops seen) compared to >> our reference system on DPDK 1.7.1. The only thing changed in the system is >> the DPDK version and its internals. >> >> I'll look into the problem next, but any hints where to look first? What >> changes between 1.7.1 and 1705 could perhaps cause such behavíour? > > This was an application problem revealed by new version and seen as interface flapping. Everything is now fine on 1705, which is great. Hi Juhamatti, Thanks for update. > > Thanks, > -- > Juhamatti >