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

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Message-ID: <653dbfb0-da67-8d1b-9efc-f4e0d67fe9fd@loongson.cn>
Date:   Mon, 17 Apr 2023 08:54:46 +0800
From:   Jianmin Lv <lvjianmin@...ngson.cn>
To:     Linux regressions mailing list <regressions@...ts.linux.dev>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Huacai Chen <chenhuacai@...ngson.cn>,
        Bob Moore <robert.moore@...el.com>,
        acpica-devel@...ts.linuxfoundation.org,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Huacai Chen <chenhuacai@...nel.org>
Subject: Re: [regression] Bug 217069 - Wake on Lan is broken on r8169 since
 6.2



On 2023/4/16 下午8:52, Linux regression tracking (Thorsten Leemhuis) wrote:
> On 16.04.23 14:35, Jianmin Lv wrote:
>>  From the feedbacks, the WOL issue has been fixed, and I have submitted a
>> fixed patch to ACPICA, which has been reviewing in last week (Rafael
>> also looked into the fixed patch).
> 
> Great, many thx. I looked for something like that, but failed to find it.
> 
> FWIW, a link to the patch submission would have been nice. I tried to
> find it just now, but maybe it's not on lore.kernel.org or I did
> something stupid. And
> https://lists.linuxfoundation.org/pipermail/acpica-devel/ seems to lack
> behind or might not be the list you submitted the patch to. Whatever.
> 
The link is here: https://github.com/acpica/acpica/pull/866

>> There are two kinds of issues in the bug, one is WOL failed in kexec
>> reboot, another is WOL failed in cold reboot. The former one still exist
>> after reverted patch(5c62d5aab8752e5ee7bfbe75ed6060db1c787f98),
>> so this issue is not caused by the reverted patch. The second is caused
>> by the reverted patch, and has been fixed with my provided patch.
>>
>> Please see:
>> https://bugzilla.kernel.org/show_bug.cgi?id=217069#c54
>> https://bugzilla.kernel.org/show_bug.cgi?id=217069#c59
> 
> I'll post a quick update there.
> 
> Thx again.
> 
> 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.
> 
>> On 2023/4/14 下午8:48, Thorsten Leemhuis wrote:
>>> On 19.03.23 08:20, Linux regression tracking (Thorsten Leemhuis) wrote:
>>>> On 22.02.23 08:57, Thorsten Leemhuis wrote:
>>>>>
>>>>> 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 :
>>>>
>>>> An issue that looked like a network bug was now bisected and it turns
>>>> out it's cause by 5c62d5aab875 ("ACPICA: Events: Support fixed PCIe wake
>>>> event") which Huacai Chen provided. Could you take a look at the ticket
>>>> linked above?
>>>
>>> Jianmin did get close to a proper fix a while ago
>>> (https://bugzilla.kernel.org/show_bug.cgi?id=217069#c46 ), but it
>>> appears there wasn't any progress to fix this during the last week. Or
>>> did I miss it?
>>>
>>> This is kinda unsatisfying, as the culprit is now known for nearly four
>>> weeks; especially as this is a issue that is present in 6.2 since it was
>>> released and would have been possible to fix there and in mainline with
>>> a simple revert. We even got close to one two weeks ago already
>>> (https://bugzilla.kernel.org/show_bug.cgi?id=217069#c49 ).
>>>
>>> #sigh
>>>
>>> I'd say we should revert this. Rafael, what's your opinion here?
>>>
>>> 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.
>>>
>>> #regzbot poke
>>>
>>
>>
>>