Regression: hinic performance degrades over time
Bug #1805248 reported by
dann frazier
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Fix Released
|
Undecided
|
dann frazier | ||
Cosmic |
Fix Released
|
Undecided
|
dann frazier | ||
Disco |
Fix Released
|
Undecided
|
dann frazier |
Bug Description
[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:/
[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.
CVE References
Changed in linux (Ubuntu): | |
status: | New → In Progress |
Changed in linux (Ubuntu Cosmic): | |
status: | New → In Progress |
assignee: | nobody → dann frazier (dannf) |
description: | updated |
Changed in linux (Ubuntu Disco): | |
status: | In Progress → Fix Committed |
Changed in linux (Ubuntu Cosmic): | |
status: | In Progress → Fix Committed |
tags: |
added: kernel-fixup-verification-needed-bionic removed: verification-needed-bionic |
tags: | added: verification-needed-bionic |
tags: | added: cscc |
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This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification- needed- cosmic' to 'verification- done-cosmic' . If the problem still exists, change the tag 'verification- needed- cosmic' to 'verification- failed- cosmic' .
If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.
See https:/ /wiki.ubuntu. com/Testing/ EnableProposed for documentation how to enable and use -proposed. Thank you!