RE: [Xen-devel] VT-D On An Asus P5E-VM DO Motherboard Not Working, Xen 3.4.1

["Han, Weidong" <weidong.han@xxxxxxxxx>]

Really? I found following lines in your messages. The base address of RMRR is larger than the end address. It's an obvious error of your BIOS. Thus VT-d is disabled. 

 

(XEN) [VT-D]dmar.c:498: found ACPI_DMAR_RMRR

(XEN) [VT-D]dmar.c:388: RMRR error: base_addr d0000000 end_address cfffffff
(XEN) Failed to parse ACPI DMAR.  Disabling VT-d.

---

From: Michael MacLeod [mailto:mikemacleod@xxxxxxxxx]
Sent: 2009年9月27日 15:35
To: Han, Weidong
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-devel] VT-D On An Asus P5E-VM DO Motherboard Not Working, Xen 3.4.1

2009/9/27 
Han, Weidong <weidong.han@xxxxxxxxx>

Hi Mike,

 

Obviously your BIOS is broken. Pls contact your vendor for help.

 

Regards,

Weidong

"Dear Valued Customer,
It seems that you are using the Linux system.P5E-VM DO don't Claim support for Linux.
Best Regards,
Johnson
ASUS Customer Service"

What's odd is that another user with the same motherboard and the same BIOS revision (0702) is having complete success with VT-D. I'm hoping for some insight into that little abnormality.

Mike

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