netdev - Re: [Regression][BISECTED] kernel boot hang after 19898ce9cf8a ("wifi: iwlwifi: split 22000.c into multiple files")

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Date: Mon, 10 Jul 2023 12:39:19 +0200
From: "Linux regression tracking (Thorsten Leemhuis)"
 <regressions@...mhuis.info>
To: "Zhang, Rui" <rui.zhang@...el.com>,
 "Torvalds, Linus" <torvalds@...ux-foundation.org>,
 "johannes@...solutions.net" <johannes@...solutions.net>,
 "regressions@...ts.linux.dev" <regressions@...ts.linux.dev>
Cc: "bagasdotme@...il.com" <bagasdotme@...il.com>,
 "davem@...emloft.net" <davem@...emloft.net>,
 "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
 "kvalo@...nel.org" <kvalo@...nel.org>, "Baruch, Yaara"
 <yaara.baruch@...el.com>, "Greenman, Gregory" <gregory.greenman@...el.com>,
 "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
 "Ben Ami, Golan" <golan.ben.ami@...el.com>,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
 "edumazet@...gle.com" <edumazet@...gle.com>,
 "Sisodiya, Mukesh" <mukesh.sisodiya@...el.com>,
 "kuba@...nel.org" <kuba@...nel.org>, "pabeni@...hat.com"
 <pabeni@...hat.com>, Xi Ruoyao <xry111@...111.site>
Subject: Re: [Regression][BISECTED] kernel boot hang after 19898ce9cf8a
 ("wifi: iwlwifi: split 22000.c into multiple files")

[CCing one

On 10.07.23 03:54, Zhang, Rui wrote:
> On Sun, 2023-07-09 at 20:07 +0200, Johannes Berg wrote:
>> On Sun, 2023-07-09 at 09:31 -0700, Linus Torvalds wrote:
>>> On Fri, 7 Jul 2023 at 03:55, Linux regression tracking (Thorsten
>>> Leemhuis) <regressions@...mhuis.info> wrote:
>>>>
>>>> [CCing the regression list, netdev, the net maintainers, and
>>>> Linus;
>>>> Johannes and Kalle as well, but just for the record, they afaik
>>>> are
>>>> unavailable]
>>>
>>> So I will release rc1 with this issue, but remind me - if it hasn't
>>> had any traction next week and the radio silence continues, I'll
>>> just
>>> revert it all.
>>
>> Sorry. I got back home a few hours ago (for few days anyway) and I
>> think
>> I already know what the issue is. 

Many many thx for taking a look at this!

FWIW in case anyone wonders where that fix is, find it here:
https://lore.kernel.org/all/20230709181323.12085-2-johannes@sipsolutions.net/

(or here: https://bugzilla.kernel.org/show_bug.cgi?id=217622#c9 )

> I have tested Johannes' patch and it fixes the problem on my side.

Ahh, great.

Ciao, Thorsten