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 5B60CA0573; Thu, 5 Mar 2020 15:10:49 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 8280B2BB8; Thu, 5 Mar 2020 15:10:48 +0100 (CET) Received: from mail-qt1-f170.google.com (mail-qt1-f170.google.com [209.85.160.170]) by dpdk.org (Postfix) with ESMTP id 9956E2BA8 for ; Thu, 5 Mar 2020 15:10:46 +0100 (CET) Received: by mail-qt1-f170.google.com with SMTP id o43so523755qto.3 for ; Thu, 05 Mar 2020 06:10:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=reduxio-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=Aagr707QgE+vYfDqaNzr2+b3qie5SZ6Z44kW/hqS5Ow=; b=hJHIJYH1ql1uaeAWfPSo8DTTji9oQiK9jMVKrgy1RrHnz28GRCdWsmwdI04r+9Eb0L wWX4Z1Z7qO06IXlbK0D8AyNDspV8OyhGneWRTRAgwzj5z+3UwBKVMjNMJwMVr8oS3maT us91sJxMSKRCA29bLH+AwKYz7nR1hyMDDQK+5m6cvPrhADPSqxljRLAkxAi/TzVwO+wK mj6ZBUHTue3QfzBZK/oekuMfJk162k42D1efa1Dgb2zx9V1K/BdDCedKnt2h7SModijg zDPEHS1hJB6CinhC68SQlKPTtFKgDu/h2Mb2oj2KajdjnuqietisvcVY0ACUJWUJ2jlb asXg== 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=Aagr707QgE+vYfDqaNzr2+b3qie5SZ6Z44kW/hqS5Ow=; b=O7GPS0yjqRQfeUe6i17Vtejqqa4VcLt7aoePtvvINuAsD6BKGCd/En1YXtedY7anrv Xm24m3Ejib2k7LFfktMM/luz9pGKboRlGZMmUr/TlLSVXfZXTaQ+xyYT8nVgYz/d7PV2 oGnTf5Kb6fR7F8CTvHbNnSpO+neZMsPkit6fwEsYt2jWLQoKpMqbcUyWrla1xlANveOG /18l3jRuyTIiKA85ek9T2HDxAwYKXvAQt7lS+F8pupMBc8snkQHAjTakIFcMQSTW15eU 3zNoNTiZBKnTrGXcQ1BJXJsDMjLWd45fxsPoI48AIcFsasPvsqY9ORgdMySzCtTadbI6 scYg== X-Gm-Message-State: ANhLgQ05VHSOcUVooWgn7J3Lh42m+lgYnSCUNxGEuJzsuMnMZiAgRwvX 3wyzW+czL5R8cl+w2eKzpbwJPpxswfBD/wkz56I77g== X-Google-Smtp-Source: ADFU+vssl4m/eLaAQQfFzmHxI3hcGF95jQVqRrWPI/3EloShcqnXHFmwxhh1Vvx7b9f/lzjo3yMHISWQ/YdeD7U/Jvs= X-Received: by 2002:ac8:7952:: with SMTP id r18mr7610936qtt.29.1583417444363; Thu, 05 Mar 2020 06:10:44 -0800 (PST) MIME-Version: 1.0 References: <20200305092334.GB289@bricha3-MOBL.ger.corp.intel.com> In-Reply-To: <20200305092334.GB289@bricha3-MOBL.ger.corp.intel.com> From: Avner Taieb Date: Thu, 5 Mar 2020 16:11:24 +0200 Message-ID: To: Bruce Richardson Cc: "Roberts, Lee A." , "dev@dpdk.org" Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: Re: [dpdk-dev] Need Help for Intel - i40e , XL710 40GbE Controller X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Thanks. I'll try On Thu, Mar 5, 2020 at 11:23 AM Bruce Richardson wrote: > On Wed, Mar 04, 2020 at 08:05:27PM +0200, Avner Taieb wrote: > > Thanks Lee. I already read it and tried the potential remedy that is > > suggested i.e. enabling the multi driver support , but it didn't solved > the > > problem. > > Are there more setting documented anywhere ? > > > > Did you try using igb_uio driver from DPDK as the kernel module to see if > that works? The IOMMU grouping of the ports may be causing issues. > > /Bruce > > > On Wed, Mar 4, 2020 at 7:33 PM Roberts, Lee A. > wrote: > > > > > See https://www.kernel.org/doc/Documentation/networking/i40e.rst, in > > > particular, > > > read the paragraph on "Unexpected Issues when the device driver and > DPDK > > > share a device". > > > > > > - Lee > > > > > > -----Original Message----- > > > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Avner Taieb > > > Sent: Wednesday, March 4, 2020 9:48 AM > > > To: dev@dpdk.org > > > Subject: [dpdk-dev] Need Help for Intel - i40e , XL710 40GbE Controller > > > > > > Hi, > > > I am using XL710 40GbE Controller with two ports. > > > The way I am using them is one port is configured to vfio-pci for using > > > with dpdk in user space and the other is left to the kernel driver and > for > > > a seperate application that does not use DPDK. > > > As soon as DPDK initialize and start the port, the other port > > > become unusable. > > > > > > Is there any setting/configuration that I am missing ? > > > > > > Thanks, > > > Avner > > > >