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

["Neo Jia" <neojia@xxxxxxxxx>]

> sudo /sbin/lspci
Password:
00:00.0 Host bridge: Intel Corporation 5400 Chipset Memory Controller
Hub (rev 10)
00:01.0 PCI bridge: Intel Corporation 5400 Chipset PCI Express Port 1 (rev 10)
00:05.0 PCI bridge: Intel Corporation 5400 Chipset PCI Express Port 5 (rev 10)
00:09.0 PCI bridge: Intel Corporation 5400 Chipset PCI Express Port 9 (rev 10)
00:10.0 Host bridge: Intel Corporation 5400 Chipset FSB Registers (rev 10)
00:10.1 Host bridge: Intel Corporation 5400 Chipset FSB Registers (rev 10)
00:10.2 Host bridge: Intel Corporation 5400 Chipset FSB Registers (rev 10)
00:10.3 Host bridge: Intel Corporation 5400 Chipset FSB Registers (rev 10)
00:10.4 Host bridge: Intel Corporation 5400 Chipset FSB Registers (rev 10)
00:11.0 Host bridge: Intel Corporation 5400 Chipset CE/SF Registers (rev 10)
00:15.0 Host bridge: Intel Corporation 5400 Chipset FBD Registers (rev 10)

In the user mailing list, I saw somebody is using VT-D on this chipset?

Thanks,
Neo

On Tue, Jun 3, 2008 at 12:15 AM, Keir Fraser <keir.fraser@xxxxxxxxxxxxx> wrote:
> I believe the hardware interface was different in older chipsets, so there's
> really no chance we'll support them.
>
>  -- Keir
>
> On 3/6/08 02:00, "Neo Jia" <neojia@xxxxxxxxx> wrote:
>
>> 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!

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