From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr0-f180.google.com (mail-wr0-f180.google.com [209.85.128.180]) by dpdk.org (Postfix) with ESMTP id A7E7023B for ; Fri, 23 Jun 2017 13:51:38 +0200 (CEST) Received: by mail-wr0-f180.google.com with SMTP id k67so62110890wrc.2 for ; Fri, 23 Jun 2017 04:51:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=6wind-com.20150623.gappssmtp.com; s=20150623; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-transfer-encoding:content-language; bh=Wh9neT/EPfU0bCBqVD5rHsCCkDiq/LTo09pKSLW86Iw=; b=pGj1f6LfeCIr/YPGRuLJFyLpJLZbJU247JQNXy4bSqB6mpWC+JHkU1De9Ns0AiYJd1 Ndiddz+I4wUB8nKK0Cf0oLMvMSXCsNogXDQOIgwCu8wGNt9wQJsIAbgrQfWqbvvcuv9y PpPoZoVWHrEBFQzomZyqK+tVWVcInUp2hogm9h65ZSuPjcyhKcVtvTT+F2zPynY8a0jW 7cnu0BiDJ/jpkmeCzthN2mQb6EE2q5EJaQvJglUNQ6z/LIkrkO8lwMiapklDa1R+u11l lsU4QqHJg4Ps3tS2x4Z66zKxRQl/Fg9HkBsaZARXkjiZ3odNPn62MIS0A1udOJIv3c1m ZnmA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding :content-language; bh=Wh9neT/EPfU0bCBqVD5rHsCCkDiq/LTo09pKSLW86Iw=; b=DIBqFIu+Adhpcdm10+jaCY6Li+OP3pMDFPZStq7S7ANorHuQrIuWOR7ADOkCWTkd91 TbJ2UC0aBZFB83X+WYzEOSFGtsI1n2khBX2bMKSwDwoFer3LS8xLDdYf0u1ceB4h66Yp ctE4Mbkd/wGlOtu0BmeKFAx6IvFnV+oYIDFaELwXzgdvBfQlnCrkZ81+33ykvlvKXp/a V/o3aH1hsUf4MrbrNkRe/4Ux5Dai+u2w50Vw2wbgsJkhNwRKq8j3kIYQRyPWz7gadggY f8+y4Zd5aEdQJdNQxAfoMjnVCOWt4ZJEaSjy0v9SRkH+S71mOaUDCri6ntlAayAxwKrC mTLA== X-Gm-Message-State: AKS2vOzSdrJa0eKVNU/Y5YLnKhoJpr8Ow5tOZPZ1fN/3lharMf3l7KfV 6QWD+kHXe5GwhVguDkBWfQ== X-Received: by 10.28.198.66 with SMTP id w63mr5050450wmf.110.1498218697803; Fri, 23 Jun 2017 04:51:37 -0700 (PDT) Received: from [10.16.0.184] (host.78.145.23.62.rev.coltfrance.com. [62.23.145.78]) by smtp.gmail.com with ESMTPSA id 6sm3426495wrg.61.2017.06.23.04.51.37 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 23 Jun 2017 04:51:37 -0700 (PDT) To: Ferruh Yigit , Chillance Zen , dev@dpdk.org References: <2dbba168-bd9a-fa30-b72f-41b2b1015cf3@intel.com> From: Pascal Mazon Message-ID: <7a9efc06-dfc5-f264-d84b-9636cd698382@6wind.com> Date: Fri, 23 Jun 2017 13:51:13 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.0 MIME-Version: 1.0 In-Reply-To: <2dbba168-bd9a-fa30-b72f-41b2b1015cf3@intel.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Subject: Re: [dpdk-dev] TAP PMD does not work in 17.05 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: , X-List-Received-Date: Fri, 23 Jun 2017 11:51:38 -0000 Hi Chillance, Ferruh, Can you give the complete command line you used, with output? (typically, are you using the remote feature) As Ferruh said, it may be that you don't have the module loaded. However in that case there should have been an error message earlier, like "Unable to create TAP interface". Hence the need for a complete trace. What's your kernel version? Best regards, Pascal On 06/23/2017 01:28 PM, Ferruh Yigit wrote: > On 6/22/2017 8:05 AM, Chillance Zen wrote: >> it always says something like this: >> >> PMD: tap1234: ioctl(35092) failed with error: No such device >> PMD: Add queue to TAP tap1234 for qid 0 >> PMD: tap1234: ioctl(35108) failed with error: Cannot assign requested >> address >> PMD: tun_alloc(tap1234, 0) failed >> PMD: tap1234: ioctl(35092) failed with error: No such device >> >> did any one ever meet this before? >> > Cc: Pascal > > I tried with latest code and 17.05 release and not observed the error. > > - Is this released 17.05 or any stable release version? > - Is tun kernel module inserted?