https://lists.ubuntu.com/archives/kernel-team/2023-December/147391.html
** Description changed:
SRU Justification
[Impact]
- A stable update from LP: #1853180 was carried forward to the Lunar 6.2
- and Mantic 6.5 kernels. As it did not cause a conflict it likely escaped
+ An update from LP: #1853180 was carried forward to the Lunar 6.2 and
+ Mantic 6.5 kernels. As it did not cause a conflict it likely escaped
notice when the Jammy AWS kernel was forward ported. Commit
05785adf6e570a068adf0502b61fe2b521d7f0ca ('net: ena: fix default tx
interrupt moderation interval') from v5.5 set
ENA_INTR_INITIAL_TX_INTERVAL_USECS to 64, but was then overwritten
during the forward port rebase by patch ('UBUNTU: SAUCE: net: ena: fix
too long default tx interrupt moderation interval'). Reverting this
patch will restore the AWS ENA driver to upstream default of 64.
[Test Plan]
AWS tested.
[Regression potential]
Network connections could exhibit adverse jitter times.
[Other info]
SF: #00372168
** Changed in: linux-aws (Ubuntu Noble)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/2045428
Title:
AWS: Set ENA_INTR_INITIAL_TX_INTERVAL_USECS to 64
Status in linux-aws package in Ubuntu:
Fix Committed
Status in linux-aws source package in Lunar:
In Progress
Status in linux-aws source package in Mantic:
In Progress
Status in linux-aws source package in Noble:
Fix Committed
Bug description:
SRU Justification
[Impact]
An update from LP: #1853180 was carried forward to the Lunar 6.2 and
Mantic 6.5 kernels. As it did not cause a conflict it likely escaped
notice when the Jammy AWS kernel was forward ported. Commit
05785adf6e570a068adf0502b61fe2b521d7f0ca ('net: ena: fix default tx
interrupt moderation interval') from v5.5 set
ENA_INTR_INITIAL_TX_INTERVAL_USECS to 64, but was then overwritten
during the forward port rebase by patch ('UBUNTU: SAUCE: net: ena: fix
too long default tx interrupt moderation interval'). Reverting this
patch will restore the AWS ENA driver to upstream default of 64.
[Test Plan]
AWS tested.
[Regression potential]
Network connections could exhibit adverse jitter times.
[Other info]
SF: #00372168
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