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Date:      Mon, 8 Jan 2018 22:38:55 +0100
From:      =?UTF-8?Q?Ren=c3=a9_Ladan?= <r.c.ladan@gmail.com>
To:        Greg V <greg@unrelenting.technology>, freebsd-x11@freebsd.org
Subject:   Re: Running FreeBSD on the Lenovo Thinkpad T470s (success)
Message-ID:  <433bde69-3134-5a07-a613-37380cd03547@gmail.com>
In-Reply-To: <2575bfb8-555b-6f14-8d7d-053851e3e574@unrelenting.technology>
References:  <20171230155857.3ba51994@bsd64.grem.de> <97dc9da5-30f6-0c8d-a3f9-662469974bb2@freebsd.org> <C5452FD8-558E-4305-B5AC-112321BE6B53@grem.de> <8f19b64f-255f-fd14-7b47-dfd149c76e12@unrelenting.technology> <e8e68e9e-d952-895a-7f12-db5aeed68149@gmail.com> <2575bfb8-555b-6f14-8d7d-053851e3e574@unrelenting.technology>

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On 08-01-2018 22:08, Greg V wrote:
> 
> On 01/09/2018 00:02, René Ladan wrote:
>> On 08-01-2018 21:28, Greg V via freebsd-x11 wrote:
>>> On 01/08/2018 23:23, Michael Gmelin wrote:
>>>>> On 8. Jan 2018, at 21:15, René Ladan <rene@freebsd.org> wrote:
>>>>>
>>>>>> On 30-12-2017 15:58, Michael Gmelin wrote:
>>>>>> Hi,
>>>>>>
>>>>>> I found some time to play with FreeBSD on a Lenovo Thinkpad T470s and
>>>>>> I'm quite happy with the results, as all important features work,
>>>>>> especially essentials like graphics, touchpad and suspend to RAM.
>>>>>>
>>>>>> The configuration is pretty straightforward, but a few things
>>>>>> required
>>>>>> research (like evdev, udev and libinput), that's why I documented my
>>>>>> setup here, hoping that it might help others:
>>>>>>
>>>>>> https://blog.grem.de/pages/t470s.html
>>>>>>
>>>>> I followed your instructions to try to get the touchpad working on my
>>>>> laptop (Acer E5-773G-78RN) but that didn't work.
>>>>>
>>>>> libinput-debug-events sees the touchpad (I think, event0) but it
>>>>> doesn't
>>>>> respond to it:
>>>> Did you install a patched version of xorg (with UDEV enabled) and a
>>>> custom kernel (device and option added)? What is the output of xinput?
>>>> What is the output of evemu-record from devel/evemu? Feel free to
>>>> email me all config- and log files off-list.
>> Hmm, there is no option UDEV in 'make config' for xorg-server, only DEVD
>> (default) and HAL?
> You need my patch for that:
> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=222609
>>> If libinput doesn't list it, it's not time to mess with xorg yet :)
>>>
>>> I guess EVDEV_SUPPORT is enabled since there's a "PixArt USB Optical
>>> Mouse" (ums) device.
>>>
>> That PixArt thing is physical USB mouse, which always works ;)
> Yeah, uh, if you didn't have EVDEV_SUPPORT, it would not show up as an
> evdev device.
>>> Is the psm module loaded? Is there anything in dmesg about psm?
>> Not currently I think:
>> rene@e17:~ % grep -i psm /root/dmesg-v-20180108
>> psm0: unable to allocate IRQ
>> rene@e17:~ % kldstat -v|grep psm
>>         439 acpi/psmcpnp
>>         438 isa/psmcpnp
>>         437 atkbdc/psm
> atkbdc/psm is it, it's built into the kernel, that's fine.
> 
> The "unable to allocate IRQ" looks like a problem…
> 
> https://lists.freebsd.org/pipermail/freebsd-stable/2015-February/081757.html
> 
Hmm, indeed.

After applying the xorg-server patches correctly the touchpad still does
not work (unplugging the mouse makes no difference).

>From /var/log/Xorg.0.log :
[ 10976.795] (II) config/udev: Adding input device System mouse
(/dev/input/event0)
[ 10976.795] (**) System mouse: Applying InputClass "evdev pointer catchall"
[ 10976.795] (**) System mouse: Applying InputClass "libinput pointer
catchall"
[ 10976.795] (II) LoadModule: "libinput"
[ 10976.795] (II) Loading /usr/local/lib/xorg/modules/input/libinput_drv.so
[ 10977.222] (II) Module libinput: vendor="X.Org Foundation"
[ 10977.222]    compiled for 1.18.4, module version = 0.25.0
[ 10977.222]    Module class: X.Org XInput Driver
[ 10977.222]    ABI class: X.Org XInput driver, version 22.1
[ 10977.222] (II) Using input driver 'libinput' for 'System mouse'
[ 10977.222] (**) System mouse: always reports core events
[ 10977.222] (**) Option "Device" "/dev/input/event0"
[ 10977.223] (**) Option "_source" "server/udev"
[ 10977.223] (II) input device 'System mouse', /dev/input/event0 is
tagged by udev as: Mouse
[ 10977.223] (II) input device 'System mouse', /dev/input/event0 is a
pointer caps
[ 10977.223] (**) Option "config_info" "udev:/dev/input/event0"
[ 10977.223] (II) XINPUT: Adding extended input device "System mouse"
(type: MOUSE, id 6)
[ 10977.223] (**) Option "AccelerationScheme" "none"
[ 10977.223] (**) System mouse: (accel) selected scheme none/0
[ 10977.223] (**) System mouse: (accel) acceleration factor: 2.000
[ 10977.223] (**) System mouse: (accel) acceleration threshold: 4
[ 10977.224] (II) input device 'System mouse', /dev/input/event0 is
tagged by udev as: Mouse
[ 10977.224] (II) input device 'System mouse', /dev/input/event0 is a
pointer caps

So if I understand correctly X sees the device but cannot talk to it?

René





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