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Date:   Wed, 21 Jun 2023 16:03:27 +0200
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Subject: Re: [PATCH] HID: logitech-hidpp: Handle timeout differently from busy
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To:     Mark Lord <mlord@pobox.com>,
        Linux regressions mailing list <regressions@lists.linux.dev>,
        Jiri Kosina <jikos@kernel.org>,
        Bastien Nocera <hadess@hadess.net>,
        Benjamin Tissoires <benjamin.tissoires@redhat.com>
Cc:     linux-input@vger.kernel.org, linux-kernel@vger.kernel.org,
        "Peter F . Patel-Schneider" <pfpschneider@gmail.com>,
        =?UTF-8?Q?Filipe_La=c3=adns?= <lains@riseup.net>,
        Nestor Lopez Casado <nlopezcasad@logitech.com>
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From:   "Linux regression tracking (Thorsten Leemhuis)" 
        <regressions@leemhuis.info>
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On 15.06.23 13:24, Mark Lord wrote:
> On 2023-06-15 03:24 AM, Linux regression tracking (Thorsten Leemhuis) wrote:
> ...
>> https://bugzilla.kernel.org/show_bug.cgi?id=217412
>>
>> --- Comment #47 from Mark Blakeney ---
>> @Juha, kernel 6.3.7 adds the 2 patches intended to fix this bug and the
>> startup delay is now gone. However, I have had 2 cases over the last 5
>> days in which I have been running 6.3.7 where my mouse fails to be
>> detected at all after startup. I have to pull the Logitech receiver
>> out/in to get the mouse working. Never seen this issue before so I
>> suspect the patches are not right.
>> ```
> 
> I too have had that happen with recent kernels,

Ahh, good to know!

> but have not yet put
> a finger to a specific version or cause.
> 
> Just toggling the power button on the wireless mouse is enough for
> it to "re-appear".
> 
> The 5.4.xx kernels never had this issue.  I went straight from those
> to the 6.3.xx ones, where it does happen sometimes, both with and without
> the recent "delay" fixes.

From Mark Blakeney it sounded a lot like this is something that started
with 6.3, but would be good to confirm. Which brings me to the reason
why I write this mail:

Is anyone still working on this? There was radio silence already for a
week now. Okay, it's not really urgent, but I guess this should not fall
through the cracks.

Bastian, are you back?

If not: Does anyone know if there is hope that Bastien will be able to
look into this in the not too far future?

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.