From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from BLU004-OMC1S6.hotmail.com (blu004-omc1s6.hotmail.com [65.55.116.17]) by dpdk.org (Postfix) with ESMTP id E9A91DE0 for ; Tue, 23 Feb 2016 10:21:44 +0100 (CET) Received: from APC01-PU1-obe.outbound.protection.outlook.com ([65.55.116.9]) by BLU004-OMC1S6.hotmail.com over TLS secured channel with Microsoft SMTPSVC(7.5.7601.23008); Tue, 23 Feb 2016 01:21:44 -0800 Received: from PS1PR0601MB1370.apcprd06.prod.outlook.com (10.165.210.25) by PS1PR0601MB1369.apcprd06.prod.outlook.com (10.165.210.24) with Microsoft SMTP Server (TLS) id 15.1.409.15; Tue, 23 Feb 2016 09:21:40 +0000 Received: from PS1PR0601MB1370.apcprd06.prod.outlook.com ([10.165.210.25]) by PS1PR0601MB1370.apcprd06.prod.outlook.com ([10.165.210.25]) with mapi id 15.01.0409.024; Tue, 23 Feb 2016 09:21:40 +0000 From: hou guanghua To: "users@dpdk.org" Thread-Topic: EAL : Input/output error on DPDK 2.2.0 ( KVM virtual machine) Thread-Index: AQHRbhuaBv2FOzZ4dUCvPyCNt1X2eA== Date: Tue, 23 Feb 2016 09:21:40 +0000 Message-ID: References: In-Reply-To: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: dpdk.org; dkim=none (message not signed) header.d=none;dpdk.org; dmarc=none action=none header.from=hotmail.com; x-tmn: [bN15vzm1t1ugnvUoHfeqXV59XjrmJiPc] x-microsoft-exchange-diagnostics: 1; PS1PR0601MB1369; 23:6mzUvkrr1rtgmZoFS9NGFm+4ipfOYZdb9hCpfMHgVQHFN09QlXoY1nR3gm43uoouFa0+OT4+4Mxzfldrs06q4Uq+YZN7pTjvbSXsb0IeLB2TNO/6tfG22jnAi6J55xQ+VoSZk9m64ehjnhO8bg8qPh6Wdx/+wSUgilShDxH/8rDOr6hPza9u4b1sFBVdVOanejhnd3OX34PCoWaG+DkPGA==; 5:fuqtlLL6idQrTY5HWrIzsnZtS6m469hSRyT0S2hY9o8MUG9apTpi8yYbMdto2muB//zY9J5j93DLfgts53JQEOZ6PZC9JkUBmoLhacM484KypNDS+LOBYaRd6b1dJFNeSPyb00X1JyatXkLjKCWBgg==; 24:9Qj1V9FUQ4wrD9buGOeXSGYQGMiR/s0LuHJVfx6svilnqElC+x1TuxkA6uwW69W7V+mzAunRuM7rR7txiMkOhFWYV/w24kinR+OYoicMKBo= x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:PS1PR0601MB1369; x-ms-office365-filtering-correlation-id: c7ab204b-ef33-4a00-ffc3-08d33c32bce0 x-exchange-antispam-report-cfa-test: BCL:0; PCL:0; RULEID:(432015012)(82015046); SRVR:PS1PR0601MB1369; BCL:0; PCL:0; RULEID:; SRVR:PS1PR0601MB1369; x-forefront-prvs: 08617F610C x-forefront-antispam-report: SFV:NSPM; SFS:(7070004)(98900003); DIR:OUT; SFP:1901; SCL:1; SRVR:PS1PR0601MB1369; H:PS1PR0601MB1370.apcprd06.prod.outlook.com; FPR:; SPF:None; MLV:ovrnspm; LANG:en; spamdiagnosticoutput: 1:23 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: sct-15-1-409-15-msonline-outlook-10cb2.templateTenant X-MS-Exchange-CrossTenant-originalarrivaltime: 23 Feb 2016 09:21:40.2077 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 84df9e7f-e9f6-40af-b435-aaaaaaaaaaaa X-MS-Exchange-Transport-CrossTenantHeadersStamped: PS1PR0601MB1369 X-OriginalArrivalTime: 23 Feb 2016 09:21:44.0591 (UTC) FILETIME=[9CE571F0:01D16E1B] Subject: [dpdk-users] EAL : Input/output error on DPDK 2.2.0 ( KVM virtual machine) 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: Tue, 23 Feb 2016 09:21:45 -0000 Hi, The continus burst of I/O Errors occured, as indicated below, when the hel= loworld application of dpdk2.2.0 example was running: EAL: Error reading from file descriptor 13: Input/output error EAL: Error reading from file descriptor 13: Input/output error EAL: Error reading from file descriptor 13: Input/output error EAL: Error reading from file descriptor 13: Input/output error I installed the dpdk in virtual machine: centos7 + kvm. One NIC was bound = to igb_uio mode. And if I unbound the NIC to e1000, then no error happened with helloworld r= unning. I had tried updating the igb_uio.c according the following patch,but the er= ror still existed. http://dpdk.org/dev/patchwork/patch/945/ Any suggestion is appreciated. Best regards, Guanghua