Thank you, Frank!
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https://bugs.launchpad.net/bugs/1814892
Title:
[19.04 FEAT] qeth: Enhanced link speed - kernel part
Status in Ubuntu on IBM z Systems:
Fix Committed
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Bionic:
Fix Committed
Status in linux source package in Cosmic:
Fix Committed
Bug description:
SRU Justification:
------------------
* This is more a request (rather than a bug) to add support for the newest
OSA-Express7S (network-) card,
so that even cosmic and bionic users should be able to benefit from it.
* The support became upstream accepted with 4.20, mainly with commit
[Test Case]
* Due to the absence of that particular card in our (Canonical)
system, the testing is up to IBM.
* The recognition of the card type itself can be done via 'lsqeth |
grep card_type',
* and the functionality can be tested by network test tools, like
stress-ng.
* A regression test can of course be done on our (Canonical) system.
[Regression Potential]
* The regression potential can be considered as low since it only
affects the s390x platform
* and there only the qeth driver/module.
* The patch itself is less complex and adds mainly lines and fields
for the recognition of the new card.
* The entire code needed is already included in disco and a sniff test was
done based on disco's kernel 5.0.
__________
Function:
Provide enhanced link speed for OSA networks
Business Case:
Improved performance with OSA networks
Available with kernel 4.20
Git-Commit: s390/qeth: report 25Gbit link speed [54e049c227]
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