netdev - Re: [regression] Bug 217069 - Wake on Lan is broken on r8169 since 6.2

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Message-ID: <8e3655bf-92dc-3685-5e96-b51ba8b8e61f@leemhuis.info>
Date:   Sun, 19 Mar 2023 08:14:44 +0100
From:   Thorsten Leemhuis <linux@...mhuis.info>
To:     Heiner Kallweit <hkallweit1@...il.com>, nic_swsd@...ltek.com
Cc:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        netdev <netdev@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux kernel regressions list <regressions@...ts.linux.dev>,
        Ivan Ivanich <iivanich@...il.com>
Subject: Re: [regression] Bug 217069 - Wake on Lan is broken on r8169 since
 6.2

On 22.02.23 08:57, Thorsten Leemhuis wrote:
> Hi, this is your Linux kernel regression tracker.
> 
> I noticed a regression report in bugzilla.kernel.org. As many (most?)
> kernel developer don't keep an eye on it, I decided to forward it by
> mail. Quoting from https://bugzilla.kernel.org/show_bug.cgi?id=217069 :
> 
>> Ivan Ivanich 2023-02-22 00:51:52 UTC
>>
>> After upgrade to 6.2 having issues with wake on lan on 2 systems: -
>> first is an old lenovo laptop from 2012(Ivy Bridge) with realtek
>> network adapter - second is a PC(Haswell refresh) with PCIE realtek
>> network adapter
>>
>> Both uses r8169 driver for network.
>>
>> On laptop it's not possible to wake on lan after poweroff On PC it's
>> not possible to wake on lan up after hibernate but works after
>> poweroff
>>
>> In both cases downgrade to 6.1.x kernel fixes the issue.
> 
> See the ticket for more details.

JFYI: turns out this is not a network bug, as the issue was bisected to
5c62d5aab875 ("ACPICA: Events: Support fixed PCIe wake event"). The
ticket linked above has the details.

#regzbot introduced: 5c62d5aab875
#regzbot ignore-activity

Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
--
Everything you wanna know about Linux kernel regression tracking:
https://linux-regtracking.leemhuis.info/about/#tldr
If I did something stupid, please tell me, as explained on that page.