https://bugs.freedesktop.org/show_bug.cgi?id=96587
Bug ID: 96587
Summary: Touchpad feels too sensitive, which makes cursor
randomly jump when moving a finger
Product: Wayland
Version: 1.3.0
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
Severity: major
Priority: medium
Component: libinput
Assignee: [email protected]
Reporter: [email protected]
Created attachment 124601
--> https://bugs.freedesktop.org/attachment.cgi?id=124601&action=edit
evemu-record output
My touchpad, with libinput enabled, feels too sensitive in a way that even a
slight movement of my finger affects cursor position. That makes touchpad
extremely uncomfortable to use because when I move my finger a cursor makes
annoying jumpy movements in the process which makes precise cursor movements
almost unachievable.
* Down below you can see one part of `libinput-debug-events` output. I was
moving my finger diagonally up and right, but you can see that libinput detects
negative x acceleration. I believe in this moment there is a significant cursor
jump.
event16 POINTER_MOTION +23.98s 3.44/ -1.91
event16 POINTER_MOTION +24.01s 3.20/ -2.03
event16 POINTER_MOTION +24.02s 0.98/ -1.52
event16 POINTER_MOTION +24.03s -2.83/ -0.76
event16 POINTER_MOTION +24.06s -3.94/ -0.51
event16 POINTER_MOTION +24.07s -1.48/ -0.51
event16 POINTER_MOTION +24.08s 2.34/ -0.51
event16 POINTER_MOTION +24.10s 3.81/ -0.51
I've also added evemu-record output as attachment in case that helps at all.
* OS: Arch Linux
* libinput: 1.3.2
* `touchpad-edge-detector` results:
Touchpad ETPS/2 Elantech Touchpad on /dev/input/event16
Move one finger around the touchpad to detect the actual edges
Kernel says: x [0..3260], y [0..2282]
Touchpad sends: x [0..3260], y [0..2282]
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