netdev - Regression of e1000e (I219-LM) from 6.1.90 to 6.6.30

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Message-ID: <ZkHSipExKpQC8bWJ@archie.me>
Date: Mon, 13 May 2024 15:42:50 +0700
From: Bagas Sanjaya <bagasdotme@...il.com>
To: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux Regressions <regressions@...ts.linux.dev>,
	Linux Networking <netdev@...r.kernel.org>,
	intel-wired-lan@...ts.osuosl.org
Cc: Jesse Brandeburg <jesse.brandeburg@...el.com>,
	Tony Nguyen <anthony.l.nguyen@...el.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	lukas.probsthain@...glemail.com
Subject: Regression of e1000e (I219-LM) from 6.1.90 to 6.6.30

Hi,

<lukas.probsthain@...glemail.com> reported on Bugzilla
(https://bugzilla.kernel.org/show_bug.cgi?id=218826) regression on his Thinkpad
T480 with Intel I219-LM:

> After updating from kernel version 6.1.90 to 6.6.30, the e1000e driver exhibits a regression on a Lenovo Thinkpad T480 with an Intel I219-LM Ethernet controller. The system experiences a freeze when an Ethernet cable is plugged in. The issue is not present in the previous kernel version 6.1.90.
> 
> System Information:
> - Model: Lenovo Thinkpad T480
> - BIOS Version: N24ET76W (1.51) dated 02/27/2024
> - Ethernet Controller: Intel Corporation Ethernet Connection (4) I219-LM (rev 21)
> - Kernel Module in Use: e1000e
> - Operating System: Manjaro Linux, kernel version 6.6.30-1
> 
> Steps to Reproduce:
> 1. Boot system with kernel version 6.6.30.
> 2. Connect the Ethernet cable to the laptop.
> 3. Observe that the system freezes.
> 
> Expected Behavior:
> The system should remain stable and maintain network connectivity without freezing when the Ethernet cable is connected.
> 
> Actual Behavior:
> The system freezes immediately upon plugging in the Ethernet cable.
> 
> Additional Information:
> The regression seems to be introduced in one of the updates between kernel versions 6.1.90 and 6.6.30. The issue does not occur with the older kernel version 6.1.90.

Thanks.

-- 
An old man doll... just what I always wanted! - Clara

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