Re: [Xen-devel] [xen-unstable] Commit 2ca9fbd739b8a72b16dd790d0fff7b75f5488fb8 AMD IOMMU: allocate IRTE entries instead of using a static mapping, makes dom0 boot process stall several times.

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 26.08.13 at 17:50, Suravee Suthikulpanit <suravee.suthikulpanit@xxxxxxx>
wrote:
> On 8/26/2013 10:37 AM, Suravee Suthikulpanit wrote:
>> On 8/26/2013 6:36 AM, Sander Eikelenboom wrote:
>>>> >So as already suspected HPET and IVRS tables conflict with one
>>>> >another in the IDs used for the (apparently) single HPET in the
>>>> >system.
>>> Yes that was wat i meant with another firmware glitch, masking the 
>>> fact that your fix seems actually ok.
>>>
>> I have seen many issues with the IVRS table regarding IOAPIC. This is 
>> the first time I see with the HPET, in which case, your patch simply 
>> So, my understanding is the patch still does not solve the issue where 
>> the IVRS and HPET table has conflicts here.  This means we should also 
>> have the override mechanism for the HPET entry of the IVRS (i.e. the 
>> variety 2 as well)?
>>
> Nevermind, there is also the kernel option "ivrs_hpet" for that.

I think I said this before - afaict that command line option is _not_
suitable for Sander's case.

Jan


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