APPLIED[U]: [PATCH 0/2][SRU][H][I][OEM-5.13][OEM-5.14] e1000e extremly slow
Andrea Righi
andrea.righi at canonical.com
Tue Oct 26 11:28:39 UTC 2021
On Tue, Sep 28, 2021 at 11:49:10AM +0800, AceLan Kao wrote:
> From: "Chia-Lin Kao (AceLan)" <acelan.kao at canonical.com>
>
> BugLink: https://bugs.launchpad.net/bugs/1930754
>
>
> [Impact]
> e1000e on TGP PCH encounters a network speed issue that rx speed is below
> 1MB/s
>
> [Fix]
> Intel provides 2 patches to fix this
> https://patchwork.ozlabs.org/project/intel-wired-lan/list/?series=263466
>
> [Test]
> Verified by our Dell and Lenovo platforms and the bug reporter.
>
> [Where problems could occur]
> The fix only applies to e1000e with TGP PCH, and add a flag
> "E1000_FFLT_DBG_DONT_GATE_WAKE_DMA_CLK". The impact should be minimized
> and should not lead to other regressions.
Applied to unstable/5.15 with some adjustments:
- these patches now are applied to linux-next, updated cherry-picked
line with linux-next sha1
- updated subject to match linux-next patch subject
- dropped UBUNTU: SAUCE
-Andrea
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