I am using Wacom One on Ubuntu 20.04.2 LTS (Budgie), but the stylus pen is not detectable.
xsetwacom --list devices
gives
Wacom Co.,Ltd. Wacom One Pen Display 13 stylus id: 21 type: STYLUS
Wacom Co.,Ltd. Wacom One Pen Display 13 eraser id: 22 type: ERASER
libwacom-list-local-devices
results in
# Device node: /dev/input/event23
[Device]
Name=Wacom One Pen Display 13
ModelName=DTC133
DeviceMatch=usb:056a:03a6;
Class=PenDisplay
Width=11
Height=6
IntegratedIn=Display;
Styli=0xffffe;0xfffff;
[Features]
Reversible=false
Stylus=true
Ring=false
Ring2=false
Touch=false
TouchSwitch=false
StatusLEDs=
NumStrips=0
Buttons=0
Device node: /dev/input/event22
[Device]
Name=Wacom One Pen Display 13
ModelName=DTC133
DeviceMatch=usb:056a:03a6;
Class=PenDisplay
Width=11
Height=6
IntegratedIn=Display;
Styli=0xffffe;0xfffff;
[Features]
Reversible=false
Stylus=true
Ring=false
Ring2=false
Touch=false
TouchSwitch=false
StatusLEDs=
NumStrips=0
Buttons=0
Device node: /dev/input/event21
[Device]
Name=Wacom One Pen Display 13
ModelName=DTC133
DeviceMatch=usb:056a:03a6;
Class=PenDisplay
Width=11
Height=6
IntegratedIn=Display;
Styli=0xffffe;0xfffff;
[Features]
Reversible=false
Stylus=true
Ring=false
Ring2=false
Touch=false
TouchSwitch=false
StatusLEDs=
NumStrips=0
Buttons=0
I urgently need the pen (which was working some months before I updated Ubuntu) for my university lessons and would be very glad for any help. Thanks a lot and best wishes.