On Mon, Nov 21, 2016 at 10:54 AM Rudolf Marek r.marek@assembler.cz wrote:
BME is ignored by Intel integrated graphics - the DMA runs even if the BME is clear (this happens on core i7 chipsets for example) Thus thatswhy it needs RMRR IOMMU range for VGA...
wow. It's amazing how many of the PCI violations I've dealt with over the years have been for intel chips :-)