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#1 2018-05-10 13:27:03

joaocandre
Member
Registered: 2013-02-23
Posts: 115

Touchpad/Mouse no longer able to "click" after update

Yesterday I updated my system, which included an update to gnome-shell, and since then I lost the ability to "click" (i.e. the system does not seem to recognize click events, or scroll events). I initially though the touchpad somehow got damaged, but the same happens with an USB mouse, so it seems to be a software issue.

After checking Xorg log files, it seems libinput is not being loaded, instead, evdev is used all around. However, it tries to load synaptics twice, which is strange as I don't even have the "xf96-video-synaptics" installed:

$$ grep -e "Using input driver" /var/log/Xorg.0.log
[     3.616] (II) Using input driver 'evdev' for 'Power Button'
[     3.632] (II) Using input driver 'evdev' for 'Video Bus'
[     3.633] (II) Using input driver 'evdev' for 'Power Button'
[     3.637] (II) Using input driver 'evdev' for 'TOSHIBA Web Camera - FHD'
[     3.639] (II) Using input driver 'evdev' for 'AT Translated Set 2 keyboard'
[     3.640] (II) Using input driver 'evdev' for 'AlpsPS/2 ALPS DualPoint Stick'
[     3.642] (II) Using input driver 'synaptics' for 'AlpsPS/2 ALPS DualPoint TouchPad'
[     3.670] (II) Using input driver 'evdev' for 'Toshiba input device'
[     3.694] (II) Using input driver 'evdev' for 'Video Bus'
[     3.734] (II) Using input driver 'evdev' for 'TOSHIBA Web Camera - FHD'
[     3.767] (II) Using input driver 'evdev' for 'AlpsPS/2 ALPS DualPoint Stick'
[     3.794] (II) Using input driver 'synaptics' for 'AlpsPS/2 ALPS DualPoint TouchPad'
$$ grep -e "libinput" /var/log/Xorg.0.log
$$ grep -e "synaptics" /var/log/Xorg.0.log
[     3.641] (II) LoadModule: "synaptics"
[     3.641] (II) Loading /usr/lib/xorg/modules/input/synaptics_drv.so
[     3.642] (II) Module synaptics: vendor="X.Org Foundation"
[     3.642] (II) Using input driver 'synaptics' for 'AlpsPS/2 ALPS DualPoint TouchPad'
[     3.666] (II) synaptics: AlpsPS/2 ALPS DualPoint TouchPad: found clickpad property
[     3.666] (--) synaptics: AlpsPS/2 ALPS DualPoint TouchPad: x-axis range 0 - 4095 (res 42)
[     3.666] (--) synaptics: AlpsPS/2 ALPS DualPoint TouchPad: y-axis range 0 - 2047 (res 38)
[     3.666] (II) synaptics: AlpsPS/2 ALPS DualPoint TouchPad: device does not report pressure, will use touch data.
[     3.666] (II) synaptics: AlpsPS/2 ALPS DualPoint TouchPad: device does not report finger width.
[     3.666] (--) synaptics: AlpsPS/2 ALPS DualPoint TouchPad: buttons: left double triple
[     3.667] (--) synaptics: AlpsPS/2 ALPS DualPoint TouchPad: Vendor 0x2 Product 0x8
[     3.667] (--) synaptics: AlpsPS/2 ALPS DualPoint TouchPad: invalid pressure range.  defaulting to 0 - 255
[     3.667] (--) synaptics: AlpsPS/2 ALPS DualPoint TouchPad: invalid finger width range.  defaulting to 0 - 15
[     3.667] (--) synaptics: AlpsPS/2 ALPS DualPoint TouchPad: touchpad found
[     3.667] (**) synaptics: AlpsPS/2 ALPS DualPoint TouchPad: (accel) MinSpeed is now constant deceleration 2.5
[     3.667] (**) synaptics: AlpsPS/2 ALPS DualPoint TouchPad: (accel) MaxSpeed is now 1.75
[     3.667] (**) synaptics: AlpsPS/2 ALPS DualPoint TouchPad: (accel) AccelFactor is now 0.044
[     3.667] (--) synaptics: AlpsPS/2 ALPS DualPoint TouchPad: touchpad found
[     3.768] (II) UnloadModule: "synaptics"
[     3.794] (II) Using input driver 'synaptics' for 'AlpsPS/2 ALPS DualPoint TouchPad'
[     3.820] (II) synaptics: AlpsPS/2 ALPS DualPoint TouchPad: found clickpad property
[     3.820] (--) synaptics: AlpsPS/2 ALPS DualPoint TouchPad: x-axis range 0 - 4095 (res 42)
[     3.820] (--) synaptics: AlpsPS/2 ALPS DualPoint TouchPad: y-axis range 0 - 2047 (res 38)
[     3.820] (II) synaptics: AlpsPS/2 ALPS DualPoint TouchPad: device does not report pressure, will use touch data.
[     3.820] (II) synaptics: AlpsPS/2 ALPS DualPoint TouchPad: device does not report finger width.
[     3.820] (--) synaptics: AlpsPS/2 ALPS DualPoint TouchPad: buttons: left double triple
[     3.820] (--) synaptics: AlpsPS/2 ALPS DualPoint TouchPad: Vendor 0x2 Product 0x8
[     3.820] (--) synaptics: AlpsPS/2 ALPS DualPoint TouchPad: invalid pressure range.  defaulting to 0 - 255
[     3.820] (--) synaptics: AlpsPS/2 ALPS DualPoint TouchPad: invalid finger width range.  defaulting to 0 - 15
[     3.820] (--) synaptics: AlpsPS/2 ALPS DualPoint TouchPad: touchpad found
[     3.820] (**) synaptics: AlpsPS/2 ALPS DualPoint TouchPad: (accel) MinSpeed is now constant deceleration 2.5
[     3.820] (**) synaptics: AlpsPS/2 ALPS DualPoint TouchPad: (accel) MaxSpeed is now 1.75
[     3.820] (**) synaptics: AlpsPS/2 ALPS DualPoint TouchPad: (accel) AccelFactor is now 0.044
[     3.820] (--) synaptics: AlpsPS/2 ALPS DualPoint TouchPad: touchpad found
[ 19537.996] (II) UnloadModule: "synaptics"

Last edited by joaocandre (2018-05-10 15:14:29)

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