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

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

On Mon, Feb 6, 2017 at 7:43 PM, Jan Beulich <JBeulich@xxxxxxxx> wrote:
>>>> On 05.02.17 at 06:51, <firemeteor@xxxxxxxxxxxxxxxxxxxxx> wrote:
>> Please find the full log in the attachment.
>
> Sadly that one is only a partial log again. I'd really need to see the
> boot messages too, in particular to (hopefully) be able to judge
> whether your system uses shared or separate EPT and VT-d tables.
>
In the dom0.xz attachment (the second one on Feb 5th), the xl dmesg
info from boot stage is retained.
If that's not good enough, please instruct on how to generate the desired log.

Quote some log snippets here, please find the full log in the old attachment:
It appears that the system uses separated EPT && VT-d tables.
Is this good or bad?

(XEN) Intel VT-d iommu 0 supported page sizes: 4kB.
(XEN) Intel VT-d iommu 1 supported page sizes: 4kB.
(XEN) Intel VT-d Snoop Control not enabled.
(XEN) Intel VT-d Dom0 DMA Passthrough not enabled.
(XEN) Intel VT-d Queued Invalidation enabled.
(XEN) Intel VT-d Interrupt Remapping enabled.
(XEN) Intel VT-d Posted Interrupt not enabled.
(XEN) Intel VT-d Shared EPT tables not enabled. <== EPT && VT-d
(XEN) I/O virtualisation enabled
(XEN)  - Dom0 mode: Relaxed

> Jan
>

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
https://lists.xen.org/xen-devel