** Changed in: linux (Ubuntu Cosmic)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1805248
Title:
Regression: hinic performance degrades over time
Status in linux package in Ubuntu:
Fix Committed
Status in linux source package in Cosmic:
Fix Committed
Status in linux source package in Disco:
Fix Committed
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://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.
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