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

To: "Zhao, Yu" <yu.zhao@xxxxxxxxx>
Subject: Re: [Xen-devel] Option iommu=1 causes hypervisor to start debugger
From: Alexia Benington <alexbenington@xxxxxxxxx>
Date: Tue, 3 Feb 2009 21:27:28 -0500
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
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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: lspci
Description: Binary data

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