In https://bugs.launchpad.net/starlingx/+bug/1796420, it's degrade because DMAR: intel_iommu_map: iommu width (39) is not sufficient for the mapped address (7fbdc0000000) in kerl.log, but there is not such log in this log file.
In https:/ /bugs.launchpad .net/starlingx/ +bug/1796420, it's degrade because DMAR: intel_iommu_map: iommu width (39) is not sufficient for the mapped address (7fbdc0000000) in kerl.log, but there is not such log in this log file.