From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 60601A04DC for ; Sun, 22 Nov 2020 09:14:39 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id B39B72AB; Sun, 22 Nov 2020 09:14:37 +0100 (CET) Received: from mail-ua1-f43.google.com (mail-ua1-f43.google.com [209.85.222.43]) by dpdk.org (Postfix) with ESMTP id 6A0E523D for ; Sun, 22 Nov 2020 09:14:36 +0100 (CET) Received: by mail-ua1-f43.google.com with SMTP id p12so4655509uam.1 for ; Sun, 22 Nov 2020 00:14:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=3xLhQ308m0MLCxuZaMT7m3um7OYCo37IdalXykBGiAw=; b=S06fTxcEB4x5/XNizCG6tFycn1u+Ge0SEFoUZCYjZ+56MFtlIf4qOEUZMybr4vt/Xi B6KbFrPPqR50edRt5ldg8VxTSNNqr+11TxmNTm2MqAYgrscOwcu1Ns3tZZUQ6TaPNn+G E4G6PuTsz+eXTjyf3hF7WcqsJbWx+AfdzQq9M+gjTZ9muhEK5U/okUh8bSeR6oaoaeJJ +qLDgnFstGlLYDbGBkxO+zW9ZuMzOfkg3UFSXz0iswtoBdCZMdyDM9c9tPUZBwyqKAhJ 8ImtwacPmTOP/N8gj+ywGagDw7bh0AutzZWljQApHLYHYRbj6pPK55DOtZjoY8Edd22n NSxQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=3xLhQ308m0MLCxuZaMT7m3um7OYCo37IdalXykBGiAw=; b=OnN469o9Menw4Gw9ApJLVyjkUwP1r7b7cdBZmJx3BqKwzXrCNb1fNiNoaGthUEra0N f6qlBZQhM0/V0v++brUr+iDPy636Zmv2aNYl32VyicUkn8e9fCe9S7uFL/LhNbmyZuVa duIbi7AimggMUFSXesA90lgNJw5idNohRf9B04EG8WUZBVqfBC5f8Ybb7PHno5Lk7O3H uQVGlw7V87oLAoqci1cxB6wWiQNUWti+clkHELCUGh/YRBWpoNtTqdgrzN71NVbVgeTo KNlwSPkJUOb/xuAUSOoTHC+c2iWWQ0JOsXnCkqnNrj7ZLSKdF41CbGSGgjTGmsRl1k0J QXHw== X-Gm-Message-State: AOAM5324yd18Ma+YzB/XbJul8ZpcXjiXka2IHy43D+axlBKiqK+dCysW JQBDPHUT6cHyFTwCFGF1l2vMBZ+UGmrqRr4VKNM= X-Google-Smtp-Source: ABdhPJxhhe7bcu1dMftCdLCF75PUBYq977dkL0/bcVhqAHAz2r1WBaUMJ+WSxMyqkoFc2ynLcOrJlsjx5wTiVfYr4w8= X-Received: by 2002:ab0:23d5:: with SMTP id c21mr15809180uan.129.1606032874744; Sun, 22 Nov 2020 00:14:34 -0800 (PST) MIME-Version: 1.0 References: <927683838.91713.1605756244826.ref@mail.yahoo.com> <927683838.91713.1605756244826@mail.yahoo.com> In-Reply-To: <927683838.91713.1605756244826@mail.yahoo.com> From: Michael Barker Date: Sun, 22 Nov 2020 21:14:22 +1300 Message-ID: To: amit sehas Cc: "users@dpdk.org" Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: Re: [dpdk-users] dpdk in AWS X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: users-bounces@dpdk.org Sender: "users" Have tried with the vfio driver instead? I've used that on AWS fairly recently and noticed no packet loss. On Thu, 19 Nov 2020 at 16:24, amit sehas wrote: > I am utilizing dpdk between EC2 instances in AWS. I am noticing that the > first few times packets are sent from one instance to > another, they are always dropped ( i think at the source). The steps i > took to utilize the dpdk ports are as follows: > > modprobe uio > modprobe hwmon > insmod ./x86_64-native-linuxapp-gcc/kmod/rte_kni.ko > insmod ./x86_64-native-linuxapp-gcc/kmod/igb_uio.ko > > ifconfig eth1 down > > ./usertools/dpdk-devbind.py --bind=igb_uio 00:04.0 > > Is there an explanation of why only the first few packets would be dropped > and there after the communication moves > along smoothly without any issues at all ? The behavior is consistent. I > am a new user of dpdk so i am completely lost > about the behavior ... > > Do i have to configure something with ethtool? > > Any help is greatly appreciated ... > > thanks >