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Date:   Thu, 15 Jun 2023 09:24:05 +0200
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Subject: Re: [PATCH] HID: logitech-hidpp: Handle timeout differently from busy
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From:   "Linux regression tracking (Thorsten Leemhuis)" 
        <regressions@leemhuis.info>
To:     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>,
        Mark Lord <mlord@pobox.com>,
        Linux regressions mailing list <regressions@lists.linux.dev>
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On 06.06.23 20:18, Linux regression tracking (Thorsten Leemhuis) wrote:
> On 06.06.23 15:27, Jiri Kosina wrote:
>> On Mon, 5 Jun 2023, Linux regression tracking (Thorsten Leemhuis) wrote:
>>>>>> If an attempt at contacting a receiver or a device fails because the
>>>>>> receiver or device never responds, don't restart the communication, only
>>>>>> restart it if the receiver or device answers that it's busy, as originally
>>>>>> intended.
>>>>>> Signed-off-by: Bastien Nocera <hadess@hadess.net>
> [...]  
>>>> Unfortunately it doesn't seem to cure the reported issue (while reverting 
>>>> 586e8fede79 does):
> [...]
>> This should now all be fixed by
>>
>>     https://git.kernel.org/linus/7c28afd5512e371773dbb2bf95a31ed5625651d9
> 
> Jiri, Benjamin, many many thx for working on this.

FWIW, it seems things work for many people, but something still is not
completely right:

```
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.
```

Ciao, Thorsten