[Bug 209321] DMAR: [DMA Read] Request device [03:00.0] PASID ffffffff fault addr fffd3000 [fault reason 06] PTE Read access is not set

[Bjorn Helgaas]

https://bugzilla.kernel.org/show_bug.cgi?id=209321

Not much detail in the bugzilla yet, but apparently this started in
v5.8.0-rc1:

  DMAR: [DMA Read] Request device [03:00.0] PASID ffffffff fault addr fffd3000 [fault reason 06] PTE Read access is not set

Currently assigned to Driver/PCI, but not clear to me yet whether PCI
is the culprit or the victim.