This bug was fixed in the package linux - 4.18.0-13.14
---------------
linux (4.18.0-13.14) cosmic; urgency=medium
* linux: 4.18.0-13.14 -proposed tracker (LP: #1806409)
* linux-buildinfo: pull out ABI information into its own package
(LP: #1806380)
- [Packaging] limit preparation to linux-libc-dev in headers
- [Packaging] commonise debhelper invocation
- [Packaging] ABI -- accumulate abi information at the end of the build
- [Packaging] buildinfo -- add basic build information
- [Packaging] buildinfo -- add firmware information to the flavour ABI
- [Packaging] buildinfo -- add compiler information to the flavour ABI
- [Packaging] buildinfo -- add buildinfo support to getabis
* linux packages should own /usr/lib/linux/triggers (LP: #1770256)
- [Packaging] own /usr/lib/linux/triggers
* Regression: hinic performance degrades over time (LP: #1805248)
- Revert "net-next/hinic: add checksum offload and TSO support"
* CVE-2018-18710
- cdrom: fix improper type cast, which can leat to information leak.
-- Khalid Elmously <[email protected]> Wed, 05 Dec 2018
05:10:51 +0000
** Changed in: linux (Ubuntu Cosmic)
Status: Fix Committed => Fix Released
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2018-18710
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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 Released
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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