This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
Home Products Support Community News


RE: [Xen-devel] Xen crashes with iommu=1

To: 'Jun Koi' <junkoi2004@xxxxxxxxx>
Subject: RE: [Xen-devel] Xen crashes with iommu=1
From: "Han, Weidong" <weidong.han@xxxxxxxxx>
Date: Tue, 28 Jul 2009 11:01:20 +0800
Accept-language: en-US
Acceptlanguage: en-US
Cc: "'xen-devel@xxxxxxxxxxxxxxxxxxx'" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Delivery-date: Mon, 27 Jul 2009 20:03:14 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <fdaac4d50907271950j4a9592bas300e666f9f1faf70@xxxxxxxxxxxxxx>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
References: <fdaac4d50907271810g66bc873bjfcbec59d29893845@xxxxxxxxxxxxxx> <715D42877B251141A38726ABF5CABF2C05481C20A0@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> <fdaac4d50907271950j4a9592bas300e666f9f1faf70@xxxxxxxxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: AcoPLkbHCEEYjtsiQbi8p1XCD8gqUwAAI+ZQ
Thread-topic: [Xen-devel] Xen crashes with iommu=1
Jun Koi wrote:
> On Tue, Jul 28, 2009 at 11:42 AM, Han, Weidong<weidong.han@xxxxxxxxx>
> wrote: 
>> Jun Koi wrote:
>>> Hi,
>>> The latest Xen unstable (c/s 19984) crashes when with iommu=1 (in
>>> Grub configuration) 
>>> I attach here the screenshot. Any clue on how to fix this?
>>> (My chipset supports VT-d)
>>> Thanks,
>>> J
>> Which platform are you using?
> that is 32bit, Intel Centrino 2.

In our testing environment, VT-d works on both 64bit and PAE Xen. But we don't 
have the platform like yours. It's strange 0:2.0 accesses a very big address 
0xffffff000. Pls try to add iommu_inclusive_mapping=1 in kernel line in grub.


>> Did you use 2.6.18 dom0 or pv-ops dom0?
> i use -unstable code, and Dom0 kernel is pvops.
> you can see from the screenshot that machine hangup in Xen, and it
> doesnt reach the Dom0 code yet. so i dont think Dom0's kernel version
> matters here.
>> If possible, pls post serial output.
> too bad this is a laptop, and it has no serial interface :-(
> thanks,
> J

Xen-devel mailing list

<Prev in Thread] Current Thread [Next in Thread>