Why message "DMAR:[fault reason 06] PTE Read access is not set" showing in dmesg ?

Solution Verified - Updated -

Issue

  • Why below error message are seen in dmesg ?
DMAR:[DMA Read] Request device [01:00.2] fault addr e8000
DMAR:[fault reason 06] PTE Read access is not set
DRHD: handling fault status reg 2
DMAR:[DMA Read] Request device [01:00.2] fault addr 0
DMAR:[fault reason 06] PTE Read access is not set
DRHD: handling fault status reg 102
DMAR:[DMA Read] Request device [01:00.2] fault addr 0
DMAR:[fault reason 06] PTE Read access is not set

Environment

  • Red Hat Enterprise Linux 6

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