Public bug reported:
This started happening within the last few days. To reproduce, open
Krita or Gimp and paint for a random amount of time. Eventually pen
input will stop. Seems to be random but so far happens between 0 - 10
minutes of using the pen on the display.
I can get pen input to work again by power cycling my cintiq monitor.
But eventually pen input will stop working again after power cycling the
monitor.
I did a fresh install of Kubuntu 20.04 to see if this would clear up,
unfortunately a fresh install doesn't seem to fix the problem.
I am not entirely sure where to start troubleshooting this. It doesn't
seem to be a problem with the application I am using, since both Gimp
and Krita are affected by this. After the bug occurs, lsusb shows that
the device is still connected. I will attach system and xorg log files
in case these can help identify the problem. Please let me know how to
get additional troubleshooting information if needed.
lsb_release -rd
Description: Ubuntu 20.04.2 LTS
Release: 20.04
xsetwacom --list devices
Wacom Express Key Remote Pad pad id: 9 type: PAD
Wacom Cintiq Pro 24 Pen stylus id: 10 type: STYLUS
Wacom Cintiq Pro 24 Pen eraser id: 11 type: ERASER
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: cintiq input wacom
** Attachment added: "dmesg"
https://bugs.launchpad.net/bugs/1938727/+attachment/5515404/+files/dmesg
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https://bugs.launchpad.net/bugs/1938727
Title:
wacom cintiq pen input stops randomly when using painting application
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