Re: 14.0-CURRENT boots fine but keyboard does not work

On Mon, Sep 4, 2023, 11:40 AM Michael Gmelin <grembo@freebsd.org> wrote:

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> On 4. Sep 2023, at 19:34, Matthias Apitz <guru@unixarea.de> wrote:
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> El día lunes, septiembre 04, 2023 a las 07:29:41p. m. +0200, Michael
> Gmelin escribió:
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>
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> On 4. Sep 2023, at 19:23, Matthias Apitz <guru@unixarea.de> wrote:
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> 
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> Added Alexander Motin <mav@FreeBSD.org> to To: as the origin of the CI;
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> Neither hw.atkbd.hz=1 nor hw.atkbd.hz=10 makes the keyboard working on
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> my beloved Acer C720. Should I file a new PR?
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> Filing a PR makes sense, could you please Cc me on it?
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> Do you know which version of FreeBSD was the last that worked for you?
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> I'm actually using (and typing this on it) r368166. Will file a PR
> tomorrow. Thanks
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> This could also be related:
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> https://cgit.freebsd.org/src/commit/?id=319d2bf407b3762da6f1c67ffe8dce2fee587aaf
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> You could try to undo that patch and build a new kernel.
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It shouldn't make a difference... but I may have been given bad advice if
it did... if it's this one, I'll help sort it out.

Warner

Best
> Michael
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>    matthias
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> El día lunes, septiembre 04, 2023 a las 06:55:52p. m. +0200, Michael
> Gmelin escribió:
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> On Mon, 4 Sep 2023 18:43:11 +0200
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> Matthias Apitz <guru@unixarea.de> wrote:
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> I have a 14.0-CURRENT compiled from sources of head from August 4,
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> which boots fine from a produced USB key, but the keyboard does not
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> work on an Acer C720 (amd64), on other laptops the keyboard is fine.
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> The keyboard works during the boot menu (for example to enable verbose
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> boot messages) but not on the login: prompt of the booted system.
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> I've enabled SSH access into the C720 (if someone need more
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> information) and I'm attaching /var/log/messages of the booted system.
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> Hi Matthias,
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> The C720 required special patches for the keyboard to work, which I
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> originally added here:
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> https://cgit.freebsd.org/src/commit/?id=6c176113bbdd598231ec47d161d4c3714997169b
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> I assume that something in that area changed recently.
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> Without digging into it, this looks like a possible cause:
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> https://cgit.freebsd.org/src/commit/sys/dev/atkbdc/atkbd.c?id=ce881170088c4c98c036fe561f8ee8413c2e2585
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> atkbd: Disable periodic polling by default.
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> It is one of the few remaining Giant-locked callouts.  It would be
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> good to remove it, not mentioning that polling itself is not good.
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> If this cause keyboard/mouse freezes on some hardware, please set
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> loader tunable hw.atkbd.hz=1 as workaround and report the issue.
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> So you could try to set hw.atkbd.hz=1 (or hw.atkbd.hz=10) in
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> /boot/loader.conf, then reboot and see if it helps.
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> Best
>
> Michael
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>
> --
>
> Michael Gmelin
>
>
>
> --
>
> Matthias Apitz, ✉ guru@unixarea.de, http://www.unixarea.de/
> +49-176-38902045
>
> Public GnuPG key: http://www.unixarea.de/key.pub
>
>
>
>
> --
> Matthias Apitz, ✉ guru@unixarea.de, http://www.unixarea.de/
> +49-176-38902045
> Public GnuPG key: http://www.unixarea.de/key.pub
>
>