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

To: Neo Jia <neojia@xxxxxxxxx>
Subject: Re: [Xen-devel] Option iommu=1 causes hypervisor to start debugger
From: Alexia Benington <alexbenington@xxxxxxxxx>
Date: Mon, 2 Feb 2009 17:00:13 -0500
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
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Apologies, I should have clarified that it didn't automatically step
into the debugger, but hang at the last line of the output I attached
earlier. Pressing 'h' would show the list of installed handlers.

Thanks.

-Alex

On Mon, Feb 2, 2009 at 4:53 PM, Neo Jia <neojia@xxxxxxxxx> wrote:
> I didn't see any error in that log file. How can you tell it is
> trapped into debugger?
>
> Thanks,
> Neo
>
> On Mon, Feb 2, 2009 at 1:48 PM, Alexia Benington
> <alexbenington@xxxxxxxxx> wrote:
>> At this moment, I'm not really sure. I'm using Intel DQ45CB with Bios
>> CBQ4510H.86A.0073.2009.0122.1353. Is anybody else using the same board
>> and having trouble with the I/O passthrough?
>>
>> I've attached the connected console's output, can't really pick up
>> anything abnormal though, except that it just stops as you see it.
>>
>> -Alex
>>
>> On Mon, Feb 2, 2009 at 4:41 PM, Keir Fraser <keir.fraser@xxxxxxxxxxxxx> 
>> wrote:
>>> Perhaps the VT-d hardware/BIOS on your system causes Xen to crash and hence
>>> drop itself into the debugger environment?
>>>
>>>  -- Keir
>>
>> _______________________________________________
>> Xen-devel mailing list
>> Xen-devel@xxxxxxxxxxxxxxxxxxx
>> http://lists.xensource.com/xen-devel
>>
>>
>
>
>
> --
> I would remember that if researchers were not ambitious
> probably today we haven't the technology we are using!
>

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