Comment 55 for bug 894070

(In reply to comment #30)
> Upgraded firmware on mellanox infiniband connectx hardware and got following
> spam in system log.
>
> [ 1680.962538] DRHD: handling fault status reg 302
> [ 1680.967048] DMAR:[DMA Read] Request device [04:00.6] fault addr f647a000
> [ 1680.967049] DMAR:[fault reason 02] Present bit in context entry is clear
>

This has absolutely nothing to do with workarounds needed for buggy Ricoh multifunction devices. Please open a new bug...