Date: Mon, 4 Sep 2023 19:29:41 +0200 From: Michael Gmelin <grembo@freebsd.org> To: Matthias Apitz <guru@unixarea.de> Cc: Alexander Motin <mav@freebsd.org>, freebsd-current@freebsd.org Subject: Re: 14.0-CURRENT boots fine but keyboard does not work Message-ID: <CF031651-C306-4EE2-B353-D669A0F59590@freebsd.org> In-Reply-To: <ZPYSevkp4iPX/39o@c720-r368166> References: <ZPYSevkp4iPX/39o@c720-r368166>
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> On 4. Sep 2023, at 19:23, Matthias Apitz <guru@unixarea.de> wrote: >=20 > =EF=BB=BF > Added Alexander Motin <mav@FreeBSD.org> to To: as the origin of the CI; >=20 > Neither hw.atkbd.hz=3D1 nor hw.atkbd.hz=3D10 makes the keyboard working on= > my beloved Acer C720. Should I file a new PR? >=20 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 >=20 >=20 >> El d=C3=ADa lunes, septiembre 04, 2023 a las 06:55:52p. m. +0200, Michael= Gmelin escribi=C3=B3: >>=20 >>=20 >>=20 >> On Mon, 4 Sep 2023 18:43:11 +0200 >> Matthias Apitz <guru@unixarea.de> wrote: >>=20 >>> 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. >>>=20 >>> The keyboard works during the boot menu (for example to enable verbose >>> boot messages) but not on the login: prompt of the booted system. >>>=20 >>> I've enabled SSH access into the C720 (if someone need more >>> information) and I'm attaching /var/log/messages of the booted system. >>=20 >> Hi Matthias, >>=20 >> The C720 required special patches for the keyboard to work, which I >> originally added here: >> https://cgit.freebsd.org/src/commit/?id=3D6c176113bbdd598231ec47d161d4c37= 14997169b >>=20 >> I assume that something in that area changed recently. >>=20 >> Without digging into it, this looks like a possible cause: >>=20 >> https://cgit.freebsd.org/src/commit/sys/dev/atkbdc/atkbd.c?id=3Dce881170= 088c4c98c036fe561f8ee8413c2e2585 >>=20 >> 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. >>=20 >> If this cause keyboard/mouse freezes on some hardware, please set >> loader tunable hw.atkbd.hz=3D1 as workaround and report the issue. >>=20 >> So you could try to set hw.atkbd.hz=3D1 (or hw.atkbd.hz=3D10) in >> /boot/loader.conf, then reboot and see if it helps. >>=20 >> Best >> Michael >>=20 >> --=20 >> Michael Gmelin >>=20 >=20 > --=20 > Matthias Apitz, =E2=9C=89 guru@unixarea.de, http://www.unixarea.de/ +49-17= 6-38902045 > Public GnuPG key: http://www.unixarea.de/key.pub
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