Synaptics Touchpad 在 Lubuntu 上偶尔会坏掉。光标一直有效，但点击无效。注销或重启会暂时恢复正常。我试了很多方法，但都无法解决问题。请帮忙。
$ neofecth
OS: Ubuntu 19.10 x86_
Host: 4291RF4 ThinkPa
Kernel: 5.3.0-26-gene
Uptime: 4 mins
Packages: 3762 (dpkg)
Shell: bash 5.0.3
Resolution: 1366x768
DE: LXQt
WM: Openbox
Theme: Adwaita-dark [
Icons: oxygen [GTK2/3
Terminal: terminator
CPU: Intel i3-2310M (
GPU: Intel 2nd Genera
Memory: 480MiB / 7844
$ xinput 列表
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ SynPS/2 Synaptics TouchPad id=11 [slave pointer (2)]
⎜ ↳ TPPS/2 IBM TrackPoint id=12 [slave pointer (2)]
⎣ Virtual core keyboard id=3 [master keyboard (2)]
↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
↳ Power Button id=6 [slave keyboard (3)]
↳ Video Bus id=7 [slave keyboard (3)]
↳ Sleep Button id=8 [slave keyboard (3)]
↳ AT Translated Set 2 keyboard id=10 [slave keyboard (3)]
↳ ThinkPad Extra Buttons id=13 [slave keyboard (3)]
↳ Integrated Camera: Integrated C id=9 [slave keyboard (3)]
$ xinput 列表-props 11
Device 'SynPS/2 Synaptics TouchPad':
Device Enabled (165): 1
Coordinate Transformation Matrix (167): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
Device Accel Profile (298): 1
Device Accel Constant Deceleration (299): 2.500000
Device Accel Adaptive Deceleration (300): 1.000000
Device Accel Velocity Scaling (301): 12.500000
Synaptics Edges (302): 1617, 5326, 1597, 4584
Synaptics Finger (303): 25, 30, 0
Synaptics Tap Time (304): 180
Synaptics Tap Move (305): 243
Synaptics Tap Durations (306): 180, 180, 100
Synaptics ClickPad (307): 1
Synaptics Middle Button Timeout (308): 0
Synaptics Two-Finger Pressure (309): 282
Synaptics Two-Finger Width (310): 7
Synaptics Scrolling Distance (311): 110, 110
Synaptics Edge Scrolling (312): 1, 0, 0
Synaptics Two-Finger Scrolling (313): 1, 0
Synaptics Move Speed (314): 1.000000, 1.750000, 0.036140, 0.000000
Synaptics Off (315): 0
Synaptics Locked Drags (316): 0
Synaptics Locked Drags Timeout (317): 5000
Synaptics Tap Action (318): 2, 3, 0, 0, 1, 3, 0
Synaptics Click Action (319): 1, 3, 0
Synaptics Circular Scrolling (320): 0
Synaptics Circular Scrolling Distance (321): 0.100000
Synaptics Circular Scrolling Trigger (322): 0
Synaptics Circular Pad (323): 0
Synaptics Palm Detection (324): 0
Synaptics Palm Dimensions (325): 10, 200
Synaptics Coasting Speed (326): 20.000000, 50.000000
Synaptics Pressure Motion (327): 30, 160
Synaptics Pressure Motion Factor (328): 1.000000, 1.000000
Synaptics Resolution Detect (329): 1
Synaptics Grab Event Device (330): 0
Synaptics Gestures (331): 1
Synaptics Capabilities (332): 1, 0, 0, 1, 1, 1, 1
Synaptics Pad Resolution (333): 81, 58
Synaptics Area (334): 0, 0, 0, 0
Synaptics Soft Button Areas (335): 3471, 0, 4201, 0, 0, 0, 0, 0
Synaptics Noise Cancellation (336): 27, 27
Device Product ID (294): 2, 7
Device Node (293): "/dev/input/event5"
$ cat /usr/share/X11/xorg.conf.d/40-libinput.conf
Section "InputClass"
Identifier "libinput pointer catchall"
MatchIsPointer "on"
MatchDevicePath "/dev/input/event*"
Driver "libinput"
EndSection
Section "InputClass"
Identifier "libinput keyboard catchall"
MatchIsKeyboard "on"
MatchDevicePath "/dev/input/event*"
Driver "libinput"
EndSection
Section "InputClass"
Identifier "libinput touchpad catchall"
MatchIsTouchpad "on"
MatchDevicePath "/dev/input/event*"
Driver "libinput"
Option "Tapping" "on"
EndSection