Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754758Ab2KMQE7 (ORCPT ); Tue, 13 Nov 2012 11:04:59 -0500 Received: from mga01.intel.com ([192.55.52.88]:55370 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751643Ab2KMQE4 convert rfc822-to-8bit (ORCPT ); Tue, 13 Nov 2012 11:04:56 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.80,767,1344236400"; d="scan'208";a="248442354" From: "Li, Sibai" To: Jason Gao , "bhelgaas@google.com" , "Rose, Gregory V" CC: "ddutile@redhat.com" , "Kirsher, Jeffrey T" , linux-kernel , netdev , kvm , "e1000-devel@lists.sourceforge.net" , "linux-pci@vger.kernel.org" , Yinghai Lu Subject: RE: SR-IOV problem with Intel 82599EB (not enough MMIO resources for SR-IOV) Thread-Topic: SR-IOV problem with Intel 82599EB (not enough MMIO resources for SR-IOV) Thread-Index: AQHNwaQeM2H6P7Nnnk6rGhmSIf66+Jfn7aEQ Date: Tue, 13 Nov 2012 16:04:53 +0000 Message-ID: References: <201211081915083774239@gmail.com> <509B962C.6070002@gmail.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.1.200.106] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2171 Lines: 46 > -----Original Message----- > From: Jason Gao [mailto:pkill.2012@gmail.com] > Sent: Tuesday, November 13, 2012 5:38 AM > To: bhelgaas@google.com; Rose, Gregory V; Li, Sibai > Cc: ddutile@redhat.com; Kirsher, Jeffrey T; linux-kernel; netdev; kvm; e1000- > devel@lists.sourceforge.net; linux-pci@vger.kernel.org; Yinghai Lu > Subject: Re: SR-IOV problem with Intel 82599EB (not enough MMIO resources > for SR-IOV) > > I'm very sorry for delayed reply.now SR-IOV works for me in Centos 6.3,thank all > of you. > > > On Fri, Nov 9, 2012 at 11:26 PM, Bjorn Helgaas wrote: > > Linux normally uses the resource assignments done by the BIOS, but it > > is possible for the kernel to reassign those. We don't have good > > automatic support for that yet, but on a recent upstream kernel, you > > can try "pci=realloc". I doubt this option is in CentOS 6.3, though > > Thank you very much,I try "pci=realloc" in Centos 6.3,and now it works for me. > > > > On Sat, Nov 10, 2012 at 2:08 AM, Li, Sibai wrote: > > DellR710 with the latest BIOS should work fine for SR-IOV. My BIOS is > > v.6.3.0 and release date is 07/24/2012 Please check if you configured > intel_iommu=on in the grub.conf file. > > If you did, check your kernel .config file under Device Drivers-> IOMMU > Hardware support->enable Support for Intel IOMMU using DMA remapping > Devices, enable Intel DMA Remapping Devices by Default, enable Support for > Interrupt Remapping. > > thank you Sibai,Our server "Dell R710",its BIOS version is just > v.6.3.0 and release date is 07/24/2012,and I also configured intel_iommu=on in > the grub.conf file,but I can't find these IOMMU options in "Device Drivers" in my > kernel(2.6.32-279) .config file , btw my os is Centos 6.3(RHEL6.3),although the > problem solved,I'd like to know what's your os version ,kernel version? I am using RHEL6.3 with unstable kernel 3.7.0-rc -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/