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.
