System logs IO_PAGE_FAULT errors for AMD-Vi
Issue
- System logs IO_PAGE_FAULT errors for AMD-Vi
- IOMMU reports IO_PAGE_FAULTs for PCIe gen4 controller on AMD Rome based system
Environment
- Red Hat Enterprise Linux 7
- Dell EMC PowerEdge systems
- 2nd Gen AMD EPYC™ CPU
- PCIe Gen4 adapters
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