From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f174.google.com (mail-pf0-f174.google.com [209.85.192.174]) by dpdk.org (Postfix) with ESMTP id 097192BAF for ; Fri, 6 May 2016 10:25:26 +0200 (CEST) Received: by mail-pf0-f174.google.com with SMTP id 77so47292636pfv.2 for ; Fri, 06 May 2016 01:25:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc; bh=AQraFUdRW/i0fm1Tnm7b8FjU97SUF+m06XhQXA71tgA=; b=KkmJ3pat7RsUDyxGfT35dEUvrClPYCxh/CxbeBrQJzrcC3KSW9WTEkHG+4AasRhqFu J/qqkcB2FVxkdy7mpeS2fKiaRVpj0AzKcqblxzXDBpikdYI4o5Vh/OCn74urY6/TUM6b XVrIMkw7tMR5pELSy9n35rQkzJ9cLUx/OCD/Kmzg3TasvRHEVMfVMmGRY9kUfCs3PoVX LM2dwFp/2fJRJlWn0IM7FyIY8OZNeYgTFoRP5izKHWBSd4gIqjXbOF+iKSID6tfOsOj4 g13sSAfZo8bdEiGVAgxvza7Rc8QJwmiIOEf3lc1nnGLp/wAMn2++KHaGyJoDlQWlfXBc QXnA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc; bh=AQraFUdRW/i0fm1Tnm7b8FjU97SUF+m06XhQXA71tgA=; b=KZ9LJa2CVheEI6OuH0YwHTQP9ggFitDJLEZbkiVZ1QjOSN5qtofcGL1D7gGpyTiPCe 0aXCc2AMqkody6TGsbGV9EqyYRQ2LhlN6Jn8HNJajZoYJiPsB4a0kvjlptaQ2YikJz0y TGNx5TiyUn1CmLkJde3Z/Ao4Tu1kSmHH9f3oxvkeKmkHrl0lpOWW30kHySgLn17KmRxa ueOJpNebs2SaODhVJMB9Y8xTI6Y25kvueLJERapYtnrdln2DSqMlPa9w7FV9qwE/YEvQ 7wazGho7JTAnny/2W5LZGvvunKJDLGqW6eFVMhMdrWSZndkFh3ewub5NKSyWu7ST27fm ny8w== X-Gm-Message-State: AOPr4FUXQ7WUp5VRnwr/sZqZkP/oUnV75/+wSEoX4etVOBfxCDu+tsu/CuB42L0rbtLvQ1TFwvIugnXUfpdLYA== MIME-Version: 1.0 X-Received: by 10.98.52.195 with SMTP id b186mr27145997pfa.9.1462523125349; Fri, 06 May 2016 01:25:25 -0700 (PDT) Received: by 10.66.236.228 with HTTP; Fri, 6 May 2016 01:25:25 -0700 (PDT) In-Reply-To: References: Date: Fri, 6 May 2016 13:55:25 +0530 Message-ID: From: SAKTHIVEL ANAND S To: Upendra Pathrikar Cc: users@dpdk.org Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: Re: [dpdk-users] Issue with error EAL: Error reading from file descriptor 21: Input/output error X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 06 May 2016 08:25:26 -0000 Looks like , this is known issue.. Please check this part "6.6. Not all variants of supported NIC types have been used in testing" Thanks Sakthivel S On Fri, May 6, 2016 at 1:28 PM, Upendra Pathrikar wrote: > Hi, > > I am using machine with > > on board NIC - pci-e connection - Intel Corporation Ethernet Connection > I217-LM (rev 04) -e1000e kernel deriver > add on card - pci conncetion - Intel Corporation 82540EM Gigabit Ethernet > Controller (rev 02) -e1000 kernel driver > > whenever i bind only I217-LM with igb_uio, testpmd($ sudo ./testpmd -c 0xff > -n 4 -- -i) runs well without any error and pmd identify port and > everything. > > but whenever i bind 82540EM with igb_uio, testpmd($ sudo ./testpmd -c 0xff > -n 4 -- -i) runs with error "EAL: Error reading from file descriptor 21: > Input/output error" though it runs and identify port etc. But continues > "EAL: Error reading from file descriptor 21: Input/output error" is printed > on screen. > > So is this error specfic to nic or driver e1000 or pci connection ? > > I am unable to identify. If i add one more card of Intel Corporation > 82540EM Gigabit Ethernet Controller (rev 02) -e1000 kernel driver with pci > connection, now it gives two errors "EAL: Error reading from file > descriptor 21: Input/output error" and "EAL: Error reading from file > descriptor 23: Input/output error" one after another in continues stream > > I tried for dpdk-2.0.0, dpdk-2.2.0 and dpdk-16.04 > > What is exact problem behind error and how can we resolve this. > > -- > > > > > *Regards,Upendra Sunil PathrikarBharti School of Telecom Technology and > Management,Indian Institute of Technology, Delhi.* >