From: "Li, Sibai" <sibai.li@intel.com>
To: Yinghai Lu <yinghai@kernel.org>
CC: Jason Gao <pkill.2012@gmail.com>,
        "bhelgaas@google.com" <bhelgaas@google.com>,
        "Rose, Gregory V" <gregory.v.rose@intel.com>,
        "ddutile@redhat.com" <ddutile@redhat.com>,
        "Kirsher, Jeffrey T" <jeffrey.t.kirsher@intel.com>,
        linux-kernel <linux-kernel@vger.kernel.org>,
        netdev <netdev@vger.kernel.org>, kvm <kvm@vger.kernel.org>,
        "e1000-devel@lists.sourceforge.net" 
	<e1000-devel@lists.sourceforge.net>,
        "linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>
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+Jfn7aEQgACrVID//3vbcA==
Date: Tue, 13 Nov 2012 18:25:58 +0000
Message-ID: <A3A921390EAE4044940E99EBF13D97321AE21FBB@FMSMSX104.amr.corp.intel.com>
References: <201211081915083774239@gmail.com>	<509B962C.6070002@gmail.com>
	<C5551D9AAB213A418B7FD5E4A6F30A072D565E76@ORSMSX106.amr.corp.intel.com>
	<CANmqhJDJXcbUxyt6YD6ktxZCDJ=VqiwhGXP+fLMukQr0o-XwxQ@mail.gmail.com>
	<CAErSpo4xn9t=4yXGLdPQMtUJF=n38tYrMutAoj7NCsLUzQEbcg@mail.gmail.com>
	<CANmqhJAjwP8CLEKpgsDbT-7+n=hf30LbYrTAu+qDH09LzETD4g@mail.gmail.com>
	<A3A921390EAE4044940E99EBF13D97321AE21E15@FMSMSX104.amr.corp.intel.com>
 <CAE9FiQXnP2gpy9z6VNGSpimLkhDYKp6Qr=9nGZ9d-pKdohA4bw@mail.gmail.com>
In-Reply-To: <CAE9FiQXnP2gpy9z6VNGSpimLkhDYKp6Qr=9nGZ9d-pKdohA4bw@mail.gmail.com>
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> -----Original Message-----
> From: yhlu.kernel@gmail.com [mailto:yhlu.kernel@gmail.com] On Behalf Of
> Yinghai Lu
> Sent: Tuesday, November 13, 2012 10:17 AM
> To: Li, Sibai
> Cc: Jason Gao; bhelgaas@google.com; Rose, Gregory V; ddutile@redhat.com;
> Kirsher, Jeffrey T; linux-kernel; netdev; kvm; e1000-devel@lists.sourceforge.net;
> linux-pci@vger.kernel.org
> Subject: Re: SR-IOV problem with Intel 82599EB (not enough MMIO resources
> for SR-IOV)
> 
> On Tue, Nov 13, 2012 at 8:04 AM, Li, Sibai <sibai.li@intel.com> wrote:
> >
> >>
> >> Thank you very much,I try "pci=realloc" in Centos 6.3,and now it works for
> me.
> >>
> >> 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
> 
> that means that config has
> CONFIG_PCI_REALLOC_ENABLE_AUTO=y
> 
> So you don't need to append "pci=realloc"
> 
> Yinghai

Never append "pci=realloc" for both kernel 2.6.32.279 and kernel 3.5.0 above.
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