[Feature] IOMMU Page Request Overflow needs to be cleared

Bug #1730882 reported by Alice Liu
6
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

Tags: kernel
Alice Liu (dxliu)
information type: Proprietary → Private
Revision history for this message
quanxian (quanxian-wang) wrote :

4.15-rc1:
973b546451fdf11e518cc96d1b137af893a38db5

Revision history for this message
Leann Ogasawara (leannogasawara) wrote :

4.15 is now available in Bionic. Marking this Fix Released.

tags: added: kernel
information type: Private → Public
Changed in intel:
status: New → Fix Released
Changed in linux (Ubuntu):
status: New → Fix Released
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