Re: [Xen-devel] IOMMU fault with IGD passthrough setup on XEN 4.8.0

["G.R." <firemeteor@xxxxxxxxxxxxxxxxxxxxx>]

>Feb 10, 2017 02:00，"Roger Pau Monné" <roger.pau@xxxxxxxxxx> wrote:
>
>On Thu, Feb 09, 2017 at 07:58:56AM -0700, Jan Beulich wrote:
>> >>> On 09.02.17 at 15:46, <firemeteor@xxxxxxxxxxxxxxxxxxxxx> wrote:
>> > BTW -- I think that fix should not be conflicting with your debug change,
>> > right?
>>
>> Yes - ideally you'd keep that one in place along with adding Roger's
>> patch.
>
>Please use the patch below, the previous one was missing a break, which made it
>completely useless, sorry.
>
>Roger.

Thanks for the updated patch and sorry for the delayed response.
I would like to confirm that the updated patch appears to work. The
flooding fault is gone now.
I wasn't able to get ipxe launched in domU with gfx-passthrough=1 though.
Hopefully this is not a real issue as I reported the following before:
>For unknown reason, debug version of hypervisor will cause domU hang if 
>gfx-passthrough=1 is present (traditional device model).

Rui

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