> On 4. Sep 2023, at 19:23, Matthias Apitz <g...@unixarea.de> wrote:
>
>
> Added Alexander Motin <m...@freebsd.org> to To: as the origin of the CI;
>
> Neither hw.atkbd.hz=1 nor hw.atkbd.hz=10 makes the keyboard working on
> my beloved Acer C720. Should I file a new PR?
>
Filing a PR makes sense, could you please Cc me on it?
Do you know which version of FreeBSD was the last that worked for you?
Cheers
>
>
>> El día lunes, septiembre 04, 2023 a las 06:55:52p. m. +0200, Michael Gmelin
>> escribió:
>>
>>
>>
>> On Mon, 4 Sep 2023 18:43:11 +0200
>> Matthias Apitz <g...@unixarea.de> wrote:
>>
>>> I have a 14.0-CURRENT compiled from sources of head from August 4,
>>> which boots fine from a produced USB key, but the keyboard does not
>>> work on an Acer C720 (amd64), on other laptops the keyboard is fine.
>>>
>>> The keyboard works during the boot menu (for example to enable verbose
>>> boot messages) but not on the login: prompt of the booted system.
>>>
>>> I've enabled SSH access into the C720 (if someone need more
>>> information) and I'm attaching /var/log/messages of the booted system.
>>
>> Hi Matthias,
>>
>> The C720 required special patches for the keyboard to work, which I
>> originally added here:
>> https://cgit.freebsd.org/src/commit/?id=6c176113bbdd598231ec47d161d4c3714997169b
>>
>> I assume that something in that area changed recently.
>>
>> Without digging into it, this looks like a possible cause:
>>
>>
>> https://cgit.freebsd.org/src/commit/sys/dev/atkbdc/atkbd.c?id=ce881170088c4c98c036fe561f8ee8413c2e2585
>>
>> atkbd: Disable periodic polling by default.
>> It is one of the few remaining Giant-locked callouts. It would be
>> good to remove it, not mentioning that polling itself is not good.
>>
>> If this cause keyboard/mouse freezes on some hardware, please set
>> loader tunable hw.atkbd.hz=1 as workaround and report the issue.
>>
>> So you could try to set hw.atkbd.hz=1 (or hw.atkbd.hz=10) in
>> /boot/loader.conf, then reboot and see if it helps.
>>
>> Best
>> Michael
>>
>> --
>> Michael Gmelin
>>
>
> --
> Matthias Apitz, ✉ g...@unixarea.de, http://www.unixarea.de/ +49-176-38902045
> Public GnuPG key: http://www.unixarea.de/key.pub
