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

To: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Option iommu=1 causes hypervisor to start debugger
From: Alexia Benington <alexbenington@xxxxxxxxx>
Date: Tue, 3 Feb 2009 09:25:20 -0500
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
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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
>
>
>

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