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[Xen-devel] Questions about PCI passthrough on Xen 4.0

  • To: xen-devel@xxxxxxxxxxxxxxxxxxx
  • From: Song Xiang <classicxsong@xxxxxxxxx>
  • Date: Wed, 6 Apr 2011 11:36:42 +0100
  • Delivery-date: Tue, 05 Apr 2011 20:36:02 -0700
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  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
I have set up Xen 4.0.0 on an AMD machine with 2*12core. (AMD Opteron(tm) Processor 6168)
But when I try to use PCI passthrough to pass an NIC to my HVM, the HVM can successfully seen the NIC, but it can not use it!!. (I have enable the DMA virtualization option of the AMD chip)
And, the machine will announce a "Power cycle AC" error when I enable the "DMA virtualization" in BIOS. 

It there anything wrong with this kind of chip?

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