[vfio-users] Z170X IOMMU Groups

[Alex Williamson]

On Sat, Sep 17, 2016 at 9:12 AM, Alex Williamson <
alex.l.williamson at gmail.com> wrote:

> On Sat, Sep 17, 2016 at 9:00 AM, Nick Sarnie <commendsarnex at gmail.com>
> wrote:
>
>> Hi Alex,
>>
>> I'm on 4.7.4 which includes this patch, and there are the IOMMU groups.
>> Is there some extra info I can provide?
>>
>
> Hmm, based on the info you sent me previously, your PCH root ports don't
> even attempt to include the broken ACS capability, therefore the quirk
> doesn't get enabled on your system.  Perhaps the Z170X is an especially
> broken version of Z170 :-\
>

Could you pastebin a dump of PCI config space for the PCH root ports?  ie.
"sudo lspci -xxxxs 1c."
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