Comment 34 for bug 1684123

(In reply to Bruno Pagani from comment #4)
> @gene, Johnny B. Goode: From what I know, the “at” value matters, because
> they have meanings. Though from one generation to another this could be
> different values for the same register.
>
> Also, @Johnny, in your case it’s a write instead of a read, so I would
> definitively open another issue.

In the end I opened 2 new issues with MMIO FAULT
#108980
#108982
Bug, in different variations, started in kernel 4.10 still exist. There is a thousands searchings for this bug in google.