On Thu, Aug 05, 2021 at 11:26:25AM -0500, Suthikulpanit, Suravee wrote:
> Lennert,
Hi Suravee,
> > - EVENT_FLAG_I unset, but the request was a translation request
> > (EVENT_FLAG_TR set) or the target page was not present
> > (EVENT_FLAG_PR unset): call report_iommu_fault(), but the RW
> >
The AMD IOMMU logs I/O page faults and such to a ring buffer in
system memory, and this ring buffer can overflow. The AMD IOMMU
spec has the following to say about the interrupt status bit that
signals this overflow condition:
EventOverflow: Event log overflow. RW1C. Reset 0b. 1 = IOMMU
On Wed, Aug 18, 2021, at 17:13, Robin Murphy wrote:
> Sven - I've prepared the follow-up patches already[1], so consider
> yourself off the hook (I see no point in trying to fix the nominal DART
> cookie bugs between now and then) :)
>
Great, thanks for taking care of that! :)
Just tested yo
