[Bug 251149] SynPS/2 Synaptics TouchPad: Failed to create a device for ... after upgrade from 12.1 to 12.2

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=251149

            Bug ID: 251149
           Summary: SynPS/2 Synaptics TouchPad: Failed to create a device
                    for ... after upgrade from 12.1 to 12.2
           Product: Base System
           Version: 12.2-RELEASE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: misc
          Assignee: bugs at FreeBSD.org
          Reporter: freebsd-ports at jan0sch.de

Hi,

I just upgraded from 12.1-RELEASE to 12.2-RELEASE on my Dell XPS m1330 and the
syntaptics touchpad stopped working. I played a bit around with the
`kern.evdev.rcpt_mask` settings but to no avail.

```
# grep -i synaptic /boot/loader.conf 
hw.psm.synaptics_support="1"
# sysctl kern.evdev.rcpt_mask 
kern.evdev.rcpt_mask: 12
# dmesg | grep -i synaptic
psm0: model Synaptics Touchpad, device ID 0
# grep EE /var/log/Xorg.0.log
        (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[  1609.992] (II) Initializing extension MIT-SCREEN-SAVER
[  1610.031] (EE) AIGLX error: Calling driver entry point failed
[  1611.000] (EE) event6  - SynPS/2 Synaptics TouchPad: kernel bug: device has
min == max on ABS_X
[  1611.048] (EE) libinput: SynPS/2 Synaptics TouchPad: Failed to create a
device for /dev/input/event6
[  1611.048] (EE) PreInit returned 2 for "SynPS/2 Synaptics TouchPad"
# grep -i synaptic /var/log/Xorg.0.log
[  1610.942] (II) config/udev: Adding input device SynPS/2 Synaptics TouchPad
(/dev/input/event6)
[  1610.942] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "evdev
pointer catchall"
[  1610.942] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "evdev
touchpad catchall"
[  1610.943] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "libinput
pointer catchall"
[  1610.943] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "libinput
touchpad catchall"
[  1610.943] (II) Using input driver 'libinput' for 'SynPS/2 Synaptics
TouchPad'
[  1610.943] (**) SynPS/2 Synaptics TouchPad: always reports core events
[  1610.999] (II) event6  - SynPS/2 Synaptics TouchPad: is tagged by udev as:
Mouse Touchpad
[  1611.000] (EE) event6  - SynPS/2 Synaptics TouchPad: kernel bug: device has
min == max on ABS_X
[  1611.000] (II) event6  - SynPS/2 Synaptics TouchPad: was rejected
[  1611.048] (EE) libinput: SynPS/2 Synaptics TouchPad: Failed to create a
device for /dev/input/event6
[  1611.048] (EE) PreInit returned 2 for "SynPS/2 Synaptics TouchPad"
# cat /usr/local/etc/X11/xorg.conf.d/synaptics-touchpad.conf 
Section "InputClass"
    Identifier  "Touchpad"
    MatchIsTouchpad "on"
    Driver "libinput"
    Option "Tapping"            "on"
    Option "ScrollMethod"       "edge"
    Option "DisableWhileTyping" "on"
EndSection
```

It looks like the touchpad gets "rejected" although I have no idea if this is a
kernel or a xorg/driver problem.

Does anyone have an idea or how can I help out (debug logs etc.)?

Kind regards,

Jens

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