RE: [Xen-devel] Xen-3.2.1 VT-d Support (NOT SURE WHETHER IT'S A BUG OR...)

["Cui, Dexuan" <dexuan.cui@xxxxxxxxx>]

The BIOS version I use may be not the exact one as yours. I mean I expect you're not using a very old BIOS. :-)

How about trying the xen 3.2.2-rc2 and the latest xen-unstable first?
There are some VT-d bug fixes between 3.2.1 (you're using it) and 3.2.2-rc2.

 

Thanks,

-- Dexuan 

---

From: Kumar, Venkat [mailto:Venkat.Kumar@xxxxxxx]
Sent: 2008年8月5日 14:37
To: Cui, Dexuan; xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: RE: [Xen-devel] Xen-3.2.1 VT-d Support (NOT SURE WHETHER IT'S A BUG OR...)

If you don’t mind can you send me the BIOS version you are using?

 

Thx,

Venkat

================================

Venkata Kumar Duvvuru,

LSI Engenio,

Adv. Development,

Bangalore.

Mob: +91-9880318542

Off : +91-80-41978700 ( Extn : 3544 )

================================

---

From: Cui, Dexuan [mailto:dexuan.cui@xxxxxxxxx]
Sent: Tuesday, August 05, 2008 12:03 PM
To: Kumar, Venkat; xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: RE: [Xen-devel] Xen-3.2.1 VT-d Support (NOT SURE WHETHER IT'S A BUG OR...)

 

Hi Venkat,

Can you confirm you're using the latest BIOS? Can you try the xen 3.2.2-rc2 and the latest xen-unstable on the same host?

 

I have the similar host. Xen 3.2.2-rc2 and the latest xen-unstable both work well on it.

 

Thanks,

-- Dexuan

---

From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Kumar, Venkat
Sent: 2008年8月5日 12:21
To: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-devel] Xen-3.2.1 VT-d Support (NOT SURE WHETHER IT'S A BUG OR...)

After building Xen-3.2.1 I could successfully boot into it if I avoid giving vtd=1 as the boot parameter.

If I pass vtd=1 as the boot parameter to xen, the system hangs while booting.

The system hangs after the following messages

============================

Boot messages

[XEN]…..

[Xen] Brought up 2 CPUs...

=========================

My chipset DQ35 series is having VT-d support and is enabled in the BIOS as well.

My domain0 is CentOS-5.2(2.6.18.8-xen).

Is this a possible bug or some thing else??

Any Idea??

Thx,

Venkat

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