[vfio-users] ACS and IOMMU groups on Skylake/Sunrise

[Philip Kania]

Thanks. You're right. The motherboard is a Gigabyte GA-H170-D3HP. I've
already filed a support issue with Gigabyte.

Philip Kania

Principal Engineer      T  978.764.8367      onshape.com
<http://www.onshape.com/>

On Thu, Apr 19, 2018 at 11:57 PM, Zir Blazer <zir_blazer at hotmail.com> wrote:

> Wasn't there a year ago or two a guy that had a Skylake Motherboard from
> the Gigabyte brand that had all the Chipset PCIe Slots grouped together
> because the Firmware didn't exposed the ACS Control Bits or something along
> those lines? It was this one:
> https://www.redhat.com/archives/vfio-users/2016-
> September/thread.html#00059
> https://www.redhat.com/archives/vfio-users/2016-September/msg00071.html
> You asked the guy for a full dump of the full 4 KiB of the extended PCI
> Configuration Space, then requested the Motherboard vendor to provide a fix
> for some Bits, which they did, fixing the issue after flashing.
>
>
> As always, the author is missing the always-important data of saying which
> Motherboard he has. But according to the lspci output, is, guess what...
> Gigabyte!
>
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