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

[Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>]

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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)?
>
> Suravee
>
Nevermind, there is also the kernel option "ivrs_hpet" for that.

Suravee




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