https://bugs.kde.org/show_bug.cgi?id=413160
Bug ID: 413160
Summary: Touchpad got mad after Kubuntu upgrade
Product: Touchpad-KCM
Version: unspecified
Platform: Kubuntu Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: kcm
Assignee: atulbish...@gmail.com
Reporter: trufano...@gmail.com
Target Milestone: ---
After I had upgraded my system from 19.04 to Kubuntu 19.10 my touchpad got mad.
It looks like it interpreted whole touchpad area as a right bar area and
couldn't decide if I'm moving a pointer or scrolling. So I disabled vertical
scrolling except for two-fingers method.
Then it mistakenly interpreted some touches as middle button clicks, bcs
top-right zone was incorrect too. So I've disabled middle button events for it.
Now I'm experiencing a problem with click detection - it seems I have to press
harder than usual to get my actions detected in some apps (Firefox). And it
looks like it's already a max sensitivity.
Resetting to defaults doesn't help.
Operating System: Kubuntu 19.10
KDE Plasma Version: 5.16.5
KDE Frameworks Version: 5.62.0
Qt Version: 5.12.4
Kernel Version: 5.3.0-18-generic
OS Type: 64-bit
Processors: 4 × Intel® Core™ i7-3520M CPU @ 2.90GHz
Memory: 7,6 GiB of RAM
Laptop - Lenovo G780
$ xinput list-props 17
Device 'ETPS/2 Elantech Touchpad':
Device Enabled (169): 1
Coordinate Transformation Matrix (171): 1.000000, 0.000000, 0.000000,
0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
Device Accel Profile (303): 1
Device Accel Constant Deceleration (304): 2.500000
Device Accel Adaptive Deceleration (305): 1.000000
Device Accel Velocity Scaling (306): 12.500000
Synaptics Edges (311): 58, 1412, 34, 596
Synaptics Finger (312): 1, 1, 0
Synaptics Tap Time (313): 250
Synaptics Tap Move (314): 70
Synaptics Tap Durations (315): 180, 180, 100
Synaptics ClickPad (316): 0
Synaptics Middle Button Timeout (317): 75
Synaptics Two-Finger Pressure (318): 282
Synaptics Two-Finger Width (319): 7
Synaptics Scrolling Distance (320): 31, 31
Synaptics Edge Scrolling (321): 0, 0, 0
Synaptics Two-Finger Scrolling (322): 1, 0
Synaptics Move Speed (323): 1.000000, 1.750000, 0.125078, 0.000000
Synaptics Off (324): 2
Synaptics Locked Drags (325): 0
Synaptics Locked Drags Timeout (326): 5000
Synaptics Tap Action (327): 0, 0, 0, 0, 1, 3, 0
Synaptics Click Action (328): 1, 1, 0
Synaptics Circular Scrolling (329): 0
Synaptics Circular Scrolling Distance (330): 0.100007
Synaptics Circular Scrolling Trigger (331): 0
Synaptics Circular Pad (332): 0
Synaptics Palm Detection (333): 0
Synaptics Palm Dimensions (334): 10, 200
Synaptics Coasting Speed (335): 20.000000, 50.000000
Synaptics Pressure Motion (336): 30, 160
Synaptics Pressure Motion Factor (337): 1.000000, 1.000000
Synaptics Resolution Detect (338): 1
Synaptics Grab Event Device (339): 0
Synaptics Gestures (340): 1
Synaptics Capabilities (341): 1, 0, 1, 1, 1, 1, 1
Synaptics Pad Resolution (342): 31, 31
Synaptics Area (343): 0, 0, 0, 0
Synaptics Noise Cancellation (344): 7, 7
Device Product ID (296): 2, 14
Device Node (295): "/dev/input/event8"
[quote]
$ cat /usr/share/X11/xorg.conf.d/70-synaptics.conf
# Example xorg.conf.d snippet that assigns the touchpad driver
# to all touchpads. See xorg.conf.d(5) for more information on
# InputClass.
# DO NOT EDIT THIS FILE, your distribution will likely overwrite
# it when updating. Copy (and rename) this file into
# /etc/X11/xorg.conf.d first.
# Additional options may be added in the form of
# Option "OptionName" "value"
#
Section "InputClass"
Identifier "touchpad catchall"
Driver "synaptics"
MatchIsTouchpad "on"
# This option is recommend on all Linux systems using evdev, but cannot be
# enabled by default. See the following link for details:
# http://who-t.blogspot.com/2010/11/how-to-ignore-configuration-errors.html
MatchDevicePath "/dev/input/event*"
EndSection
Section "InputClass"
Identifier "touchpad ignore duplicates"
MatchIsTouchpad "on"
MatchOS "Linux"
MatchDevicePath "/dev/input/mouse*"
Option "Ignore" "on"
EndSection
# This option enables the bottom right corner to be a right button on clickpads
# and the right and middle top areas to be right / middle buttons on clickpads
# with a top button area.
# This option is only interpreted by clickpads.
Section "InputClass"
Identifier "Default clickpad buttons"
MatchDriver "synaptics"
Option "SoftButtonAreas" "50% 0 82% 0 0 0 0 0"
Option "SecondarySoftButtonAreas" "58% 0 0 15% 42% 58% 0 15%"
EndSection
# This option disables software buttons on Apple touchpads.
# This option is only interpreted by clickpads.
Section "InputClass"
Identifier "Disable clickpad buttons on Apple touchpads"
MatchProduct "Apple|bcm5974"
MatchDriver "synaptics"
Option "SoftButtonAreas" "0 0 0 0 0 0 0 0"
EndSection
[/quote]
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