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[Xen-devel] We still have to disable vtd for old chipset?

  • To: xen-devel@xxxxxxxxxxxxxxxxxxx
  • From: "Neo Jia" <neojia@xxxxxxxxx>
  • Date: Mon, 2 Jun 2008 18:00:33 -0700
  • Delivery-date: Mon, 02 Jun 2008 18:00:55 -0700
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  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>

I am seeing the following error message in xm dmesg.

(XEN) [VT-D]utils.c:59: *** VT-d disabled - pre C0-step Seaburg found
(XEN) [VT-D]utils.c:62: ***  vendor = 8086 device = 4000 revision = 10

This is on Dell T7400. And the change is

So, I am wondering if there is any fix for this?

I would remember that if researchers were not ambitious
probably today we haven't the technology we are using!

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