From mboxrd@z Thu Jan  1 00:00:00 1970
From: Gleb Natapov <gleb@redhat.com>
Subject: Re: VT-d regression issue
Date: Thu, 22 Jul 2010 11:21:22 +0300
Message-ID: <20100722082122.GE27177@redhat.com>
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Cc: "kvm@vger.kernel.org" <kvm@vger.kernel.org>
To: "Hao, Xudong" <xudong.hao@intel.com>
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On Thu, Jul 22, 2010 at 03:57:55PM +0800, Hao, Xudong wrote:
> Hi, all
> 
> On KVM commit cb7eaecb3389c7fa2490ea1bee8f10cfa5df30d4, I met a kvm_run return fasle when assign additional NIC device to KVM guest, but onboard NIC works fine.
> 
> command: qemu-system-x86_64  -m 256 -smp 2  -device pci-assign,host=01:00.0 -net none -hda /image/path/guest.img
Which version of qemu-kvm is this?

> host print:
> kvm_run: Bad address
> kvm_run returned -14
> 
> platform: Westmere-HEDT
> NIC device: 01:00.0 Ethernet controller: Intel Corporation 82572EI Gigabit Ethernet Controller (Copper) (rev 06)
> 
lspci -vv -s 01:00.0?

> VT-d works fine on KVM commit 8dea5648467102184c65d61cf2be6e0fbfa41060 and new qemu-kvm.
> 
> https://bugzilla.kernel.org/show_bug.cgi?id=16437
> 
> 
> Best Regards,
> Xudong Hao
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--
			Gleb.