linux-kernel - Re: [Regression] debugfs warnings when resuming from suspend on 6.7-rc5

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Date: Tue, 19 Dec 2023 18:13:40 +0100
From: Mateusz Jończyk <mat.jonczyk@...pl>
To: Johannes Berg <johannes@...solutions.net>,
 Miri Korenblit <miriam.rachel.korenblit@...el.com>
CC: Gregory Greenman <gregory.greenman@...el.com>, linux-wireless@...r.kernel.org,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [Regression] debugfs warnings when resuming from suspend on 6.7-rc5



Dnia 19 grudnia 2023 13:03:12 CET, Johannes Berg <johannes@...solutions.net> napisał/a:
>On Thu, 2023-12-14 at 22:49 +0100, Mateusz Jończyk wrote:
>> W dniu 14.12.2023 o 22:45, Mateusz Jończyk pisze:
>> > Hello,
>> > 
>> > Since upgrading to 6.7-rc kernels, I have been getting the following error
>> > message in dmesg
>> > while resuming from suspend:
>> > 
>> > [   83.302944] debugfs: Directory 'iwlmvm' with parent 'netdev:wlp2s0' already
>> > present!
>> > [   83.302963] iwlwifi 0000:02:00.0: Failed to create debugfs directory under
>> > netdev:wlp2s0
>> > 
>> OK, now I see
>> 
>> https://patchwork.kernel.org/project/linux-wireless/patch/20231211085121.88a950f43e16.Id71181780994649219685887c0fcad33d387cc78@changeid/
>> 
>> ("wifi: mac80211: don't re-add debugfs during reconfig")
>> 
>> Will see if this fixes the issue.
>> 
>
>Did that work? I think we need
>
>https://patchwork.kernel.org/project/linux-wireless/patch/20231220043149.ddd48c66ec6b.Ia81080d92129ceecf462eceb4966bab80df12060@changeid/
>
>in addition ... 

No, it didn't. I have tested it only yesterday, did not write yet. 
Will retest with the new patch. 

BTW, it seems that NetworkManager does not display the 
WiFi signal level correctly on 6.7-rc5. I did not pinpoint it yet though. 

Greetings, 

Mateusz