Thinkpad E550 - Touchpad jumping cursor
Summary
An instance of the "Touchpad jumping cursors" bug as per:
https://wayland.freedesktop.org/libinput/doc/1.15.6/touchpad-jumping-cursors.html
It might be the same bug as in #492 (closed).
Steps to reproduce
While keeping a finger on the lower part of the touchpad, if I double tap with a second finger (anywhere on the touchpad) this causes the cursor to abruptly jump down.
Required information
- libinput version: 1.15.6
- hardware information: Lenovo ThinkPad E550, AlpsPS/2 ALPS DualPoint TouchPad.
-
libinput record
output: alps-touchpad.yml -
libinput debug-events --verbose
output: debug-events.txt -
udevadm info
output: udevadm.txt -
touchpad-edge-detector 100x57 /dev/input/event5
output: touch-edge-detector-output.txt - The surface of the touchpad is clickable, and there are physical buttons on the top.
- Tap-to-click is disabled.
- Contents of
/sys/class/dmi/id/modalias
: modalias.txt