Public bug reported:

[Impact]
Bug 1800664 introduced checksum offload and TSO support for HiNIC adapters. 
While that did improve performance in short iperf runs, longer runs were later 
found to show a significant regression in performance:
  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1800664/comments/3

[Test Case]
iperf -c 192.168.99.1 -P5

[Fix]
Revert the offending patch.

[Regression Risk]
This is reverting a patch, returning the driver to 18.10 GA behavior.

** Affects: linux (Ubuntu)
     Importance: Undecided
     Assignee: dann frazier (dannf)
         Status: In Progress

** Affects: linux (Ubuntu Cosmic)
     Importance: Undecided
     Assignee: dann frazier (dannf)
         Status: In Progress

** Affects: linux (Ubuntu Disco)
     Importance: Undecided
     Assignee: dann frazier (dannf)
         Status: In Progress

** Changed in: linux (Ubuntu)
       Status: New => In Progress

** Also affects: linux (Ubuntu Disco)
   Importance: Undecided
     Assignee: dann frazier (dannf)
       Status: In Progress

** Also affects: linux (Ubuntu Cosmic)
   Importance: Undecided
       Status: New

** Changed in: linux (Ubuntu Cosmic)
       Status: New => In Progress

** Changed in: linux (Ubuntu Cosmic)
     Assignee: (unassigned) => dann frazier (dannf)

-- 
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1805248

Title:
  Regression: hinic performance degrades over time

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1805248/+subscriptions

-- 
ubuntu-bugs mailing list
[email protected]
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs

Reply via email to