Add support for mdev_set_iommu_device() kABI in Ubuntu 22.10 kernel
Bug #1988806 reported by
Tarun Gupta
This bug affects 2 people
Affects | Status | Importance | Assigned to | Milestone | ||
---|---|---|---|---|---|---|
Release Notes for Ubuntu |
Invalid
|
Undecided
|
Unassigned | |||
linux (Ubuntu) | Status tracked in Mantic | |||||
Jammy |
Invalid
|
Undecided
|
Unassigned | |||
Kinetic |
Fix Released
|
Undecided
|
Unassigned | |||
Lunar |
Fix Released
|
Medium
|
Unassigned | |||
Mantic |
Triaged
|
Undecided
|
Unassigned | |||
linux-hwe-5.19 (Ubuntu) | Status tracked in Mantic | |||||
Jammy |
Fix Released
|
Undecided
|
Unassigned | |||
Kinetic |
Invalid
|
Undecided
|
Unassigned | |||
Lunar |
Invalid
|
Undecided
|
Unassigned | |||
Mantic |
Invalid
|
Undecided
|
Unassigned |
Bug Description
With below commit in 5.16 upstream kernel, support for mdev_set_
fda49d97f2c4 ("vfio: remove the unused mdev iommu hook")
This kABI is used by SRIOV based Nvidia vGPU on Ubuntu 22.04. Ampere+ (SRIOV based) Nvidia vGPU use kernel's mdev framework and use this kABI to pin all guest memory during VM boot.
As HWE kernel (for Ubuntu 22.04) will switch to 5.19 upstream kernel, it will not include this kABI and as a result will break SRIOV based Nvidia vGPU. So, filing this bug to request to have a custom patch in HWE kernel which doesn't remove the support for mdev_set_
no longer affects: | linux-meta-hwe-5.19 (Ubuntu Lunar) |
no longer affects: | linux-meta-hwe-5.19 (Ubuntu Kinetic) |
no longer affects: | linux-meta-hwe-5.19 (Ubuntu Jammy) |
no longer affects: | linux-meta-hwe-5.19 (Ubuntu) |
Changed in linux-hwe-5.19 (Ubuntu Lunar): | |
status: | New → Invalid |
Changed in linux-hwe-5.19 (Ubuntu Kinetic): | |
status: | New → Invalid |
Changed in linux-hwe-5.19 (Ubuntu Jammy): | |
status: | New → Fix Released |
tags: | added: regression-release |
Changed in linux (Ubuntu Mantic): | |
milestone: | lunar-updates → ubuntu-23.10-beta |
Changed in linux (Ubuntu Lunar): | |
importance: | Undecided → Medium |
status: | Triaged → Fix Committed |
Changed in ubuntu-release-notes: | |
status: | New → Invalid |
Changed in linux (Ubuntu Mantic): | |
milestone: | ubuntu-23.10-beta → none |
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it's incorrect to file bugs againt `linux-meta` bugs like these should be filed against `linux` itself.