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#26 2019-05-28 23:42:26

teika
Member
From: Japan
Registered: 2011-05-23
Posts: 46
Website

Re: [SOLVED] touchpad not working since upgrading kernel

@joaoeudes7: Are you sure that "fix" screwed your PC? Will it be possible for you to revert this commit - which fixes the issue of this thread - and to see if your PC works again?

@alkappa: Not at all, but it's wabisabi who reported the bug to the upstream. ;-) Anyway it's good to hear you're saved.


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#27 2019-11-10 04:53:38

Quardah
Member
Registered: 2014-08-26
Posts: 146

Re: [SOLVED] touchpad not working since upgrading kernel

Hi i am also facing this problem. I upgraded my system today and after a reboot my trackpoint wouldn't work.

I tried downgrading xf86-input-libinput but it didn't change anything.

I tried

[jape@T540p ~]$ sudo rmmod psmouse
[jape@T540p ~]$ sudo modprobe psmouse proto=exps

And it works but i cannot two-finger scroll anymore too. Note that if i reboot, i have to rmmod and modprobe psmouse again with the proto argument to make it work.

This is very unfortunate.

I also have the following in /var/log/Xorg.0.lo :

[  2362.812] (II) config/udev: Adding input device Synaptics TM3157-006 (/dev/input/event14)
[  2362.813] (**) Synaptics TM3157-006: Applying InputClass "evdev touchpad catchall"
[  2362.813] (**) Synaptics TM3157-006: Applying InputClass "libinput touchpad catchall"
[  2362.813] (**) Synaptics TM3157-006: Applying InputClass "touchpad"
[  2362.813] (II) Using input driver 'libinput' for 'Synaptics TM3157-006'
[  2362.813] (II) systemd-logind: got fd for /dev/input/event14 13:78 fd 36 paused 0
[  2362.813] (**) Synaptics TM3157-006: always reports core events
[  2362.813] (**) Option "Device" "/dev/input/event14"
[  2362.813] (**) Option "_source" "server/udev"
[  2362.813] (II) event14 - Synaptics TM3157-006: is tagged by udev as: Touchpad
[  2362.813] (II) event14 - Synaptics TM3157-006: device is a touchpad
[  2362.813] (II) event14 - Synaptics TM3157-006: device removed
[  2362.813] (**) Option "Tapping" "on"
[  2362.813] (**) Option "config_info" "udev:/sys/devices/rmi4-00/input/input16/event14"
[  2362.813] (II) XINPUT: Adding extended input device "Synaptics TM3157-006" (type: TOUCHPAD, id 13)
[  2362.814] (**) Option "AccelerationScheme" "none"
[  2362.814] (**) Synaptics TM3157-006: (accel) selected scheme none/0
[  2362.814] (**) Synaptics TM3157-006: (accel) acceleration factor: 2.000
[  2362.814] (**) Synaptics TM3157-006: (accel) acceleration threshold: 4
[  2362.814] (II) event14 - Synaptics TM3157-006: is tagged by udev as: Touchpad
[  2362.814] (II) event14 - Synaptics TM3157-006: device is a touchpad
[  2362.814] (II) config/udev: Adding input device Synaptics TM3157-006 (/dev/input/mouse0)
[  2362.814] (**) Synaptics TM3157-006: Applying InputClass "touchpad"
[  2362.814] (II) Using input driver 'libinput' for 'Synaptics TM3157-006'
[  2362.814] (**) Synaptics TM3157-006: always reports core events
[  2362.814] (**) Option "Device" "/dev/input/mouse0"
[  2362.814] (**) Option "_source" "server/udev"
[  2362.853] (II) mouse0  - failed to create input device '/dev/input/mouse0'.
[  2362.853] (EE) libinput: Synaptics TM3157-006: Failed to create a device for /dev/input/mouse0
[  2362.853] (EE) PreInit returned 2 for "Synaptics TM3157-006"
[  2362.853] (II) UnloadModule: "libinput"
[  2362.853] (II) config/udev: Adding input device TPPS/2 IBM TrackPoint (/dev/input/event15)
[  2362.853] (**) TPPS/2 IBM TrackPoint: Applying InputClass "evdev pointer catchall"
[  2362.853] (**) TPPS/2 IBM TrackPoint: Applying InputClass "libinput pointer catchall"
[  2362.853] (II) Using input driver 'libinput' for 'TPPS/2 IBM TrackPoint'
[  2362.855] (II) systemd-logind: got fd for /dev/input/event15 13:79 fd 37 paused 0
[  2362.855] (**) TPPS/2 IBM TrackPoint: always reports core events
[  2362.855] (**) Option "Device" "/dev/input/event15"
[  2362.855] (**) Option "_source" "server/udev"
[  2362.856] (II) event15 - TPPS/2 IBM TrackPoint: is tagged by udev as: Mouse Pointingstick
[  2362.856] (II) event15 - TPPS/2 IBM TrackPoint: trackpoint does not have a specified range, guessing... see https://wayland.freedesktop.org/libinput/doc/1.10.7/trackpoints.html
[  2362.856] (II) event15 - TPPS/2 IBM TrackPoint: trackpoint device set to range 31
[  2362.856] (II) event15 - TPPS/2 IBM TrackPoint: device is a pointer
[  2362.856] (II) event15 - TPPS/2 IBM TrackPoint: device removed
[  2362.856] (**) Option "config_info" "udev:/sys/devices/rmi4-00/rmi4-00.fn03/serio2/input/input17/event15"
[  2362.856] (II) XINPUT: Adding extended input device "TPPS/2 IBM TrackPoint" (type: MOUSE, id 14)
[  2362.857] (**) Option "AccelerationScheme" "none"
[  2362.857] (**) TPPS/2 IBM TrackPoint: (accel) selected scheme none/0
[  2362.857] (**) TPPS/2 IBM TrackPoint: (accel) acceleration factor: 2.000
[  2362.857] (**) TPPS/2 IBM TrackPoint: (accel) acceleration threshold: 4
[  2362.857] (II) event15 - TPPS/2 IBM TrackPoint: is tagged by udev as: Mouse Pointingstick
[  2362.857] (II) event15 - TPPS/2 IBM TrackPoint: trackpoint does not have a specified range, guessing... see https://wayland.freedesktop.org/libinput/doc/1.10.7/trackpoints.html
[  2362.857] (II) event15 - TPPS/2 IBM TrackPoint: trackpoint device set to range 31
[  2362.857] (II) event15 - TPPS/2 IBM TrackPoint: device is a pointer
[  2362.858] (II) config/udev: Adding input device TPPS/2 IBM TrackPoint (/dev/input/mouse1)
[  2362.858] (II) No input driver specified, ignoring this device.
[  2362.858] (II) This device may have been added with another device file.

Notice the :

[  2362.853] (EE) libinput: Synaptics TM3157-006: Failed to create a device for /dev/input/mouse0

??? Permission issue? Already created by another driver? I don't know but maybe this will help fix the problem.

Thanks!

EDIT:

Hi, actually setting the proto argument in modprobe.d/psmouse.conf like this :

[jape@T540p ~]$ cat /etc/modprobe.d/psmouse.conf 
options psmouse proto=exps

Makes the trackpoint and trackpad work fine with the exception of the two-finger scroll. I cannot scroll anywhere other than using the middle button which is a bummer honestly.

Anyone has a clue? Thanks!

Last edited by Quardah (2019-11-10 05:24:27)


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#28 2019-11-13 00:20:10

teika
Member
From: Japan
Registered: 2011-05-23
Posts: 46
Website

Re: [SOLVED] touchpad not working since upgrading kernel

@Quardah

Unfortunately, I guess it's a (new, different from the OP's) kernel bug. If you can, report it to linux-input@vger.kernel.org: Add "psmouse.synaptics_intertouch=0" to the boot parameter, and take the diff of two dmesg. [1] Don't forget to report your previous and new kernel versions!
Anyway that diff possibly helps you to detect an already existing bug report, if any.

You can change it on-the-fly:
$ modprobe -r psmouse ; modprobe psmouse synaptics_intertouch 1
If it can be used as a workaround, I'll be glad.

[1] Use "dmesg -notime" and "diff -u". It must be easy to spot the touchpad related logs.

>Note that if i reboot...

Seems like you don't know you can set module parameters as a boot parameter. See the Wiki page Kernel parameters ;)

Another possible workaround is to use another X input driver "evdev". It's older, and almost replaced by "libinput" by now, but you can still use it.

Create /etc/X11/xorg.conf.d/80-evdev.conf, which looks something like:

Section "InputClass"
    Identifier "Quardah's evdev workaround"
    Driver "evdev"

    MatchProduct "<product name>"
EndSection

You can replace MatchProduct with "MatchDevicePath" or others. See man xorg.conf.

Guessing from a brief web search, the line

(EE) libinput: Synaptics TM3157-006: Failed to create a device for /dev/input/mouse0

seems to be the result of some error that the driver "libinput" encountered, not the cause.

I hope this helps. Feel free to ask more questions.

# BTW I'm a Gentoo user. :P


Easy Shift / Ctrl / AltGr ... hack; save your pinkies, type without drudgery.
YYYY-MM-DD, period. (Have you ever used the Internet?)

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#29 2023-01-24 15:28:20

onecmc
Member
Registered: 2017-05-03
Posts: 10

Re: [SOLVED] touchpad not working since upgrading kernel

For posterity: This fixed my trackpad after a kernel upgrade on my Thinkpad Extreme X1 3rd gen

Last edited by onecmc (2023-01-24 15:35:51)

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