Comment # 7
on bug 107898
from Felix Kuehling
Good timing. We were just given a laptop that has similar problems and found a partial workaround: Try adding "iommu=pt" to your kernel command line. This may at least get you through the KFD initialization, but there are likely more problems down the line. The problems are due to BIOS bugs. We're looking into more workarounds to ignore or patch incorrect information in the CRAT ACPI table that describes the compute devices for KFD.
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