Bug 345935 - Trackpoint needs help: doesn't play well with touchpad enabled, touchpad keeps re-enabling
Summary: Trackpoint needs help: doesn't play well with touchpad enabled, touchpad keep...
Status: RESOLVED WORKSFORME
Alias: None
Product: systemsettings
Classification: Applications
Component: kcm_touchpad (show other bugs)
Version: 5.17.5
Platform: Mint (Ubuntu based) Linux
: NOR major
Target Milestone: ---
Assignee: Plasma Bugs List
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2015-04-07 01:36 UTC by Rufus P
Modified: 2024-04-24 03:47 UTC (History)
4 users (show)

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Description Rufus P 2015-04-07 01:36:53 UTC
The trackpoint & touchpad on Lenovo X220 both work fine, but not with each other. The touchpad is way too sensitive and will over-ride the trackpoint with any inadvertent touch. I was having real problems controlling the cursor until I disabled the touchpad. The Windows setup on the same machine is much less problematic. Inadvertent touches on the touchpad don't send the cursor across the screen. It's not perfect, but workable.

I suggest you offer users to have either trackpoint or touchpad on Lenovo laptops, but recommend against having both.

2) I started using the KDE touchpad widget to disable the touchpad because it keeps re-enabling itself after startup/ sleep / hibernate. I was using a command line to disable the touchpad, but since it keeps re-enabling itself every day, I need the widget. 

It seems to me that this is a major bug. That the pointing device settings are being over-ridden by default settings. 

ALSO, I notice that when this happens after resume from sleep I get two startup sounds right after one another. This reminds me of a bug I was having where the touchpad/trackpoint left click would result in two individual left-click events about a second apart. I've seen some reports of this happening to others in other places. This was also a major motivation to disable the touchpad, which solves two huge issues with KDE.

ALSO, I have checked the "disable when mouse is plugged in" option in the touchpad control panel. However, the touchpad is still enabled when a mouse is plugged in. It may be relevant to the other bugs. It seems like the touchpad setting keep reverting back to the default.
Just to make it clear; it's not a hardware issue. This machine came with windows and worked fine before loading KDE Mint. 

This was a major bug for me. The machine was almost un-usable because of lack of control of the cursor. I did this workaround, but it really needs to be looked at.  As for the double left-click events, I tried looking at xevents, but couldn't see what was going on. So long as I keep the touchpad disabled, everything works.

Reproducible: Sometimes

Steps to Reproduce:
1. Move cursor with trackpoint and inadvertently touch the touchpad.
2. Cursor will move erratically.
3. Disable touchpad using KDE widget then sleep and reactivate.
4. Sometimes touchpad is now working.


Expected Results:  
Touchpad should not interfere with trackpoint.
A disabled touchpad should stay disabled during sleep/suspend/restart cycles.
Comment 1 Nate Graham 2024-03-25 02:16:34 UTC
Hello! This bug report concerns the Synaptics version of the Touchpad page, which is no longer supported in Plasma 6. Can you please see if the issue still happens when using Libinput? If so, please change the status back to "REPORTED." If not, go ahead and change it to "RESOLVED FIXED", or let the bot do it automatically after a month. Thanks!
Comment 2 Bug Janitor Service 2024-04-09 03:47:48 UTC
Dear Bug Submitter,

This bug has been in NEEDSINFO status with no change for at least
15 days. Please provide the requested information as soon as
possible and set the bug status as REPORTED. Due to regular bug
tracker maintenance, if the bug is still in NEEDSINFO status with
no change in 30 days the bug will be closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

If you have already provided the requested information, please
mark the bug as REPORTED so that the KDE team knows that the bug is
ready to be confirmed.

Thank you for helping us make KDE software even better for everyone!
Comment 3 Bug Janitor Service 2024-04-24 03:47:03 UTC
This bug has been in NEEDSINFO status with no change for at least
30 days. The bug is now closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

Thank you for helping us make KDE software even better for everyone!