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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: Neo Jia <neojia@xxxxxxxxx>
Date: Mon, 2 Feb 2009 13:53:22 -0800
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
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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
>
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>



-- 
I would remember that if researchers were not ambitious
probably today we haven't the technology we are using!

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