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


  • To: "Kay, Allen M" <allen.m.kay@xxxxxxxxx>
  • From: "Neo Jia" <neojia@xxxxxxxxx>
  • Date: Tue, 3 Jun 2008 08:22:51 -0700
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Tue, 03 Jun 2008 08:23:16 -0700
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  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>

So, Xen VT-d should work on my system (pre-retail)?

Thanks,
Neo

On Tue, Jun 3, 2008 at 8:19 AM, Kay, Allen M <allen.m.kay@xxxxxxxxx> wrote:
> This check was needed as some earlier versions of server platform does
> not support p2m/vt-d page table sharing.
>
> Since now we have separate page tables, we don't need that check
> anymore.  You can just remove the check locally to get it to work on
> your system.
>
> We will submit a patch to remove it in the upstream.
>
> Allen
>
>>-----Original Message-----
>>From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
>>[mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Neo Jia
>>Sent: Monday, June 02, 2008 6:01 PM
>>To: xen-devel@xxxxxxxxxxxxxxxxxxx
>>Subject: [Xen-devel] We still have to disable vtd for old chipset?
>>
>>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
>>http://lists.xensource.com/archives/html/xen-changelog/2007-09/
>>msg00284.html.
>>
>>So, I am wondering if there is any fix for this?
>>
>>Thanks,
>>Neo
>>--
>>I would remember that if researchers were not ambitious
>>probably today we haven't the technology we are using!
>>
>>_______________________________________________
>>Xen-devel mailing list
>>Xen-devel@xxxxxxxxxxxxxxxxxxx
>>http://lists.xensource.com/xen-devel
>>
>



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

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