ACPI: DMAR 00000000d8ffe500 000B8 (v01 INTEL      HSW  00000001 INTL 00000001)
Intel-IOMMU: disable GFX device mapping
dmar: IOMMU 0: reg_base_addr fed90000 ver 1:0 cap c0000020660462 ecap f0101a
dmar: IOMMU 1: reg_base_addr fed91000 ver 1:0 cap d2008020660462 ecap f010da
dmar: DMAR:[DMA Read] Request device [00:02.0] fault addr 36c00000
DMAR:[fault reason 06] PTE Read access is not set
dmar: DMAR:[DMA Read] Request device [00:1f.2] fault addr dbf42000
DMAR:[fault reason 06] PTE Read access is not set