WARNING - OLD ARCHIVES

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/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

RE: [Xen-devel] Option iommu=1 causes hypervisor to start debugger

To: Alexia Benington <alexbenington@xxxxxxxxx>
Subject: RE: [Xen-devel] Option iommu=1 causes hypervisor to start debugger
From: "Zhao, Yu" <yu.zhao@xxxxxxxxx>
Date: Wed, 4 Feb 2009 10:52:27 +0800
Accept-language: en-US
Acceptlanguage: en-US
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Delivery-date: Tue, 03 Feb 2009 18:53:01 -0800
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <7969168f0902031827g7ff3f62fk1977396aba419ac3@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: <7969168f0902021542w3cf16d47u314ebed5fd595b7b@xxxxxxxxxxxxxx> <C5ADAB98.ADE%keir.fraser@xxxxxxxxxxxxx> <7969168f0902030625s1a652fd3x467d5fa595f8bc21@xxxxxxxxxxxxxx> <4988F5A7.9040703@xxxxxxxxx> <7969168f0902031827g7ff3f62fk1977396aba419ac3@xxxxxxxxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: AcmGcCZC6QMaxy6lTb29wVRnLg5U9QAA1KbA
Thread-topic: [Xen-devel] Option iommu=1 causes hypervisor to start debugger
Can you please apply the attached patch and grab the log again?

Thanks,
Yu

>-----Original Message-----
>From: Alexia Benington [mailto:alexbenington@xxxxxxxxx]
>Sent: Wednesday, February 04, 2009 10:27 AM
>To: Zhao, Yu
>Cc: Keir Fraser; xen-devel@xxxxxxxxxxxxxxxxxxx
>Subject: Re: [Xen-devel] Option iommu=1 causes hypervisor to start debugger
>
>I was referring to the fix titled "ioemu: fix PCI ROM handling problem
>in passthrough". Seriously, I don't even know if the problem is
>related. Just trying something because I'm totally clueless now.
>
>I've attached the lspci. Let me know if you need more info. Will be
>glad to provide.
>
>Thanks guys.
>
>- Alex
>
>On Tue, Feb 3, 2009 at 8:55 PM, Zhao, Yu <yu.zhao@xxxxxxxxx> wrote:
>> Which patch are you talking about? Since we can't get any clue from your
>> log, can you please send us the output of `lspci -vvv'?
>>
>> Thanks,
>> Yu
>>
>> Alexia Benington wrote:
>>>
>>> Thanks Keir. Perhaps I should try with Yu Zhao's patch and see if that
>>> fixes the problem.
>>>
>>> -Alex
>>>
>>> On Tue, Feb 3, 2009 at 3:06 AM, Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
>>> wrote:
>>>>
>>>> It's needed for passing through physical devices to HVM guests.
>>>>
>>>>  -- Keir
>>>>
>>>> On 02/02/2009 23:42, "Alexia Benington" <alexbenington@xxxxxxxxx> wrote:
>>>>
>>>>> If I do not include the iommu option, I/O virtualisation is disabled.
>>>>> I never thought that iommu is a necessary prerequisite for I/O virt,
>>>>> or am I mistaken?
>>>>>
>>>>> -Alex
>>>>>
>>>>> _______________________________________________
>>>>> Xen-devel mailing list
>>>>> Xen-devel@xxxxxxxxxxxxxxxxxxx
>>>>> http://lists.xensource.com/xen-devel
>>>>
>>>>
>>>
>>> _______________________________________________
>>> Xen-devel mailing list
>>> Xen-devel@xxxxxxxxxxxxxxxxxxx
>>> http://lists.xensource.com/xen-devel
>>
>>

Attachment: debug.diff
Description: debug.diff

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel