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Title: ThinkBook 14+ GXTP5100 Touchpad Movement Not Working on Ubuntu
24.10
Description:
My ThinkBook 14+ laptop's touchpad (GXTP5100:00 27C6:01E9) is partially
functional on Ubuntu 24.10. While clicking works, cursor movement does not work
at all. The touchpad works perfectly in Windows, confirming this is not a
hardware issue.
System Information:
- Device: ThinkBook 14+
- Ubuntu Version: 24.10
- Kernel Version: 6.11.0-13-generic
- Display Server: Wayland
- Touchpad: GXTP5100:00 27C6:01E9 (Goodix)
Symptoms:
- Touchpad clicks are detected and working
- Cursor movement does not work at all
- Two-finger scrolling does not work
- The touchpad is detected by the system and shows up in device listings
Relevant Technical Details:
1. The touchpad is detected as both Mouse and Touchpad devices:
GXTP5100:00 27C6:01E9 Mouse
GXTP5100:00 27C6:01E9 Touchpad
2. Kernel logs show a HID descriptor parsing error:
"hid-generic 0018:27C6:01E9.0001: item 0 1 0 11 parsing failed"
"hid-generic 0018:27C6:01E9.0001: probe with driver hid-generic failed with
error -22"
3. A GT7868Q descriptor fixup is being applied:
"hid-multitouch 0018:27C6:01E9.0001: GT7868Q report descriptor fixup is
applied."
4. evtest shows pressure events but no X/Y position events are being
reported.
Steps to Reproduce:
1. Fresh install of Ubuntu 24.10
2. Boot into system
3. Attempt to move cursor with touchpad
Expected Result:
Touchpad should allow cursor movement like it does in Windows.
Actual Result:
Cursor doesn't move at all, though clicking functions work.
Additional Notes:
- This appears to be a driver issue since the hardware works perfectly in
Windows
- The touchpad is reporting pressure events but no position/movement events
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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ThinkBook 14+ GXTP5100 Touchpad Movement Not Working on Ubuntu 24.10
https://bugs.launchpad.net/bugs/2093390
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