From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by dpdk.org (Postfix) with ESMTP id 2FBE07E23 for ; Wed, 3 Dec 2014 02:13:00 +0100 (CET) Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga103.jf.intel.com with ESMTP; 02 Dec 2014 17:09:36 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.04,691,1406617200"; d="scan'208";a="492639384" Received: from pgsmsx106.gar.corp.intel.com ([10.221.44.98]) by orsmga003.jf.intel.com with ESMTP; 02 Dec 2014 17:09:42 -0800 Received: from shsmsx151.ccr.corp.intel.com (10.239.6.50) by pgsmsx106.gar.corp.intel.com (10.221.44.98) with Microsoft SMTP Server (TLS) id 14.3.195.1; Wed, 3 Dec 2014 09:12:55 +0800 Received: from shsmsx101.ccr.corp.intel.com ([169.254.1.110]) by SHSMSX151.ccr.corp.intel.com ([169.254.3.86]) with mapi id 14.03.0195.001; Wed, 3 Dec 2014 09:12:53 +0800 From: "Qiu, Michael" To: Malveeka Tewari , "dev@dpdk.org" Thread-Topic: [dpdk-dev] Error running dpdk app: cannot open /dev/uio Thread-Index: AQHQDnkamwt4EyMprEaLEKOtWxn6yA== Date: Wed, 3 Dec 2014 01:12:53 +0000 Message-ID: <533710CFB86FA344BFBF2D6802E60286C9C1C8@SHSMSX101.ccr.corp.intel.com> References: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Subject: Re: [dpdk-dev] Error running dpdk app: cannot open /dev/uio X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 03 Dec 2014 01:13:00 -0000 Hi Malveeka,=0A= =0A= To be sure that you should have [uio, igb_uio] or [uio, uio_pci_generic]=0A= or [vfio] module loaded.=0A= =0A= Thanks,=0A= Michael=0A= On 12/3/2014 5:44 AM, Malveeka Tewari wrote:=0A= > Hi=0A= >=0A= > I am trying to run the testpmd app as but I get the following errors:=0A= > EAL: VFIO could not be initialized=0A= > EAL: Cannot open /dev/uio0: No such file or directory=0A= > EAL: Error - exiting with code: 1=0A= > Cause: Requested device 0000:07:00.0 cannot be used=0A= >=0A= > lsmod shows that the uio module is installed.=0A= > Is there anything that's missing?=0A= >=0A= > Thanks!=0A= > Malveeka=0A= >=0A= >=0A= >=0A= > Output on trying to run testpmd=0A= >=0A= > EAL: Detected 16 lcore(s)=0A= > *EAL: cannot open VFIO container, error 2 (No such file or directory)*= =0A= > *EAL: VFIO support could not be initialized*=0A= > EAL: Setting up memory...=0A= > EAL: Ask a virtual area of 0x200000 bytes=0A= > EAL: Virtual area found at 0x7fe66ac00000 (size =3D 0x200000)=0A= > EAL: Ask a virtual area of 0xffc00000 bytes=0A= > EAL: Virtual area found at 0x7fe56ae00000 (size =3D 0xffc00000)=0A= > EAL: Ask a virtual area of 0x200000 bytes=0A= > EAL: Virtual area found at 0x7fe56aa00000 (size =3D 0x200000)=0A= > EAL: Ask a virtual area of 0xfec00000 bytes=0A= > EAL: Virtual area found at 0x7fe46bc00000 (size =3D 0xfec00000)=0A= > EAL: Ask a virtual area of 0x400000 bytes=0A= > EAL: Virtual area found at 0x7fe46b600000 (size =3D 0x400000)=0A= > EAL: Ask a virtual area of 0x400000 bytes=0A= > EAL: Virtual area found at 0x7fe46b000000 (size =3D 0x400000)=0A= > EAL: Ask a virtual area of 0x400000 bytes=0A= > EAL: Virtual area found at 0x7fe46aa00000 (size =3D 0x400000)=0A= > EAL: Ask a virtual area of 0x400000 bytes=0A= > EAL: Virtual area found at 0x7fe46a400000 (size =3D 0x400000)=0A= > EAL: Ask a virtual area of 0x400000 bytes=0A= > EAL: Virtual area found at 0x7fe469e00000 (size =3D 0x400000)=0A= > EAL: Requesting 2048 pages of size 2MB from socket 0=0A= > EAL: Requesting 2048 pages of size 2MB from socket 1=0A= > EAL: TSC frequency is ~2266745 KHz=0A= > EAL: Master core 3 is ready (tid=3D6cedb800)=0A= > EAL: PCI device 0000:07:00.0 on NUMA socket -1=0A= > EAL: probe driver: 8086:10fb rte_ixgbe_pmd=0A= >=0A= >=0A= > *EAL: Cannot open /dev/uio0: No such file or directoryEAL: Error - exitin= g=0A= > with code: 1 Cause: Requested device 0000:07:00.0 cannot be used*=0A= >=0A= =0A=