[Feature] IOMMU Page Request Overflow needs to be cleared
Bug #1730882 reported by
Alice Liu
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
intel |
Fix Released
|
Undecided
|
Unassigned | ||
linux (Ubuntu) |
Fix Released
|
Undecided
|
Unassigned | ||
Bionic |
Fix Released
|
Undecided
|
Unassigned |
Bug Description
Description
Currently IOMMU Fault Status register is not clearing Page Request Overflow. Not clearing this would mean any future page-request is going to be automatically dropped by IOMMU.
Check section 7.5.1 of the spec.
Target Kernel: TBD
Target Release: 18.04
information type: | Proprietary → Private |
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4.15-rc1: e518cc96d1b137a f893a38db5
973b546451fdf11