** Also affects: linux-nvidia (Ubuntu Jammy)
Importance: Undecided
Status: New
** Changed in: linux-nvidia (Ubuntu Jammy)
Importance: Undecided => Medium
** Changed in: linux-nvidia (Ubuntu Jammy)
Status: New => In Progress
** Changed in: linux-nvidia (Ubuntu Jammy)
Assignee: (unassigned) => Brad Figg (brad-figg)
** Changed in: linux-nvidia (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1982518
Title:
NVMe/MVMEeOF: Patch NVMe/NVMeOF driver to support GDS
Status in linux-nvidia package in Ubuntu:
Invalid
Status in linux-nvidia source package in Jammy:
In Progress
Bug description:
[Impact]
Adding these changes will enable GDS functionality for NVMe and NVMeOF
drivers.
[Fix]
This is a not a fix but a new feature being added to NVMe and NVMeOF
driver.
[Test]
Tested the NVMe driver on a hpe system as I did not have a setup with
BASEOS6.
1) Installed 5.15.39 kernel on the system (this is the kernel that
optimized kernel is on currently).
2) Downloaded the optimized kernel.
3) Applied the patches to the optimized kernel
4) Replaced the nvme modules on the system with the one's built on
optimized kernel.
5) Ran gds tests on ext4 file system with the patched NVMe driver. All
tests went fine.
6) The boot drive is on NVMe and the system is up and running which
indicates no regression on the standard NVMe path as well.
Attached are the results with NVMe
**************************************************
NVFS IOCTL negative Tests, : 23 / 23 tests passed
**************************************************
Testsuite : 249 / 249 tests passed
End: nvidia-fs:
GDS Version: 1.4.0.31
NVFS statistics(ver: 4.0)
NVFS Driver(version: 2.13.5)
Mellanox PeerDirect Supported: False
IO stats: Disabled, peer IO stats: Disabled
Logging level: info
Compat mode Tests
==================
**************************************************
API Tests, : 72 / 72 tests passed
**************************************************
Testsuite : 211 / 211 tests passed
done tests:Thu Jul 21 08:12:09 PM UTC 2022
Could not test the same with NVMeOF as a setup was not available.
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