Ping Cheng

Please run one of the tools https://github.com/linuxwacom/input-wacom/wiki/Analysing-kernel-events to see if the touch port (/dev/input/event7 was shown in your output) posts any touch events. libwacom-list-local-devices is for Gnome control center. It...

If finger worked before stylus touched the tablet, it could be the issue that Jason fixed recently: [Force pen out of prox](https://github.com/linuxwacom/input-wacom/commit/3fe3a4540bf8afd529c4fe3b859494c628bc763b).

The issue is platform specific. Since we don't get further details, I'm closing the request.

Do you mean pen works, but touch still doesn't? Have touch ever worked? If touch worked before you bring the stylus to the tablet, it could be the issue that...

I don't see the Wacom device from your dmesg. Upgrading your system is probably the easiest approach to get it working.

This is a "Lenovo 14ARE05" specific issue, not a Wacom driver issue.

Your issue is in the Bluetooth subsystem, not in Wacom driver. Can you reinstall or upgrade Ubuntu to make sure the system was not corrupted?

Do you have any other monitors or electronic devices close to the Citniq? It sounds like some kind electronic interference. Please move any of those devices away from the Cintiq...

Closing the issue due to no follow-up feedbacks.

Looks like something changed after kernel 4.15 which affected the tablet. Can one of you bisects the code to figure out which patch is the root cause? Thank you for...