this touchscreen uses a penmount driver.
(https://www.salt.com.tw/en/service-support/downloads/software/#)
product : https://www.nexcom.com/Products/industrial-computing-
solutions/panel-pc/applied-panel-pc/industrial-touch-screen-monitor-
appd-1901t#
lsusb reports it :
us 003 Device 003: ID 14e1
What is the model of touchscreen? Is it visible when you run 'lsusb'?
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https://bugs.launchpad.net/bugs/1958625
Title:
unattended gesture feature
To manage notifications about this bug
Thanks. It looks to me that there is a phantom touch event at the start
of the gesture. So gnome-shell is behaving correctly:
Event: time 1642755262.679902, type 1 (EV_KEY), code 330 (BTN_TOUCH),
value 1
This means it is either a kernel bug or a hardware fault relating to the
touchscreen.
** Pac
here is evtest output
esting ... (interrupt to exit)
Event: time 1642755262.678951, type 3 (EV_ABS), code 0 (ABS_X), value 431
Event: time 1642755262.678951, type 3 (EV_ABS), code 1 (ABS_Y), value 960
Event: time 1642755262.678951, -- SYN_REPORT
Event: time 1642755262.6799
Thanks for the bug report. It looks like the touchscreen thinks either a
button is held down or a finger is touching the screen during the
downward cursor movement.
Please try running 'sudo evtest' in a separate window to log all the
touchscreen events, and see if you can find evidence of the kern