Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: xinput (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1768169
Title:
touchscreen doesn't work properly after stylus detection
Status in xinput package in Ubuntu:
Confirmed
Bug description:
I have a HP Pavilion x360 convertible 15 br0xx. This laptop has a
multitouch touchscreen and an active pen/stylus.
On ubuntu 16.04, the touchscreen used with fingers and the pen/stylus
work properly. The touchscreen was identified as «ELAN0732:00
04F3:24B8» as slave pointer and the pen as «ELAN0732:00 04F3:24B8 Pen»
as slave pointer too.
But, on ubuntu 18.04 bionic with gnome shell, the pen/stylus is
identified «ELAN0732:00 04F3:24B8 Pen» as slave keyboard instead as
slave pointer. Touchscreen work well until pen/stylus is used. At this
point, a new device «ELAN0732:00 04F3:24B8 Pen Pen (0)» is enabled.
The touchscreen stops working and the pen/styles works but with some
issues.
~$ xinput --list
⎡ Virtual core pointer id=2 [master pointer
(3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer
(2)]
⎜ ↳ ETPS/2 Elantech Touchpad id=15 [slave pointer
(2)]
⎜ ↳ ELAN0732:00 04F3:24B8 id=10 [slave pointer
(2)]
⎜ ↳ ELAN0732:00 04F3:24B8 Pen Pen (0) id=18 [slave pointer
(2)]
⎣ Virtual core keyboard id=3 [master
keyboard (2)]
↳ Virtual core XTEST keyboard id=5 [slave
keyboard (3)]
↳ Power Button id=6 [slave
keyboard (3)]
↳ Video Bus id=7 [slave
keyboard (3)]
↳ Power Button id=8 [slave
keyboard (3)]
↳ HP Wide Vision HD Camera: HP Wi id=9 [slave
keyboard (3)]
↳ Intel Virtual Button driver id=12 [slave
keyboard (3)]
↳ Intel Virtual Button driver id=13 [slave
keyboard (3)]
↳ AT Translated Set 2 keyboard id=14 [slave
keyboard (3)]
↳ HP WMI hotkeys id=16 [slave
keyboard (3)]
↳ HP Wireless hotkeys id=17 [slave
keyboard (3)]
↳ ELAN0732:00 04F3:24B8 Pen id=11 [slave
keyboard (3)]
After disable devices id=11 and id=18, touchscreen recovers its multitouch
feature.
There is no combination enabling/disabling ids 10, 11 and 18, to get
multitouch and pen working together.
On Wayland session, I get the same behavior.
Note: Ubuntu 18.04 LTS clean installation with «minimal install
option» and no other customization.
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