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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"Offline
I have the exact same issue, but the same problem is in both Xorg and Wayland sessions. I installed Xfce (cause I cannot use my computer otherwise) and there everything works fine, as well as in the GDM login screen...
EDIT:
Managed to solve it by disabling all of the extensions. Probably some extension caused some problems. Business as usual...
FIX:
From the tty go to two directories where the extensions are located:
$HOME/.local/share/gnome-shell/extensions
and
/usr/share/gnome-shell/extensions
and running this script:
for i in $(ls); do gnome-shell-extension-tool -d $i; done
Last edited by pbCyanide (2018-05-11 17:10:30)
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I had the same issue. I rolled back to 3.28.1-1. It is definitely a problem with extensions. At least one has been identified as causing the issue, Workspace to Dock (see this GitHub issue: https://github.com/passingthru67/worksp … ssues/139).
That is the only one that was affecting me, but there may be more.
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