Bug 430052 - Uses 100% cpu (core) when listens for disconnected gamepad and when left stick moving - 50% cpu
Summary: Uses 100% cpu (core) when listens for disconnected gamepad and when left stic...
Status: RESOLVED WORKSFORME
Alias: None
Product: systemsettings
Classification: Applications
Component: kcm_joystick (other bugs)
Version First Reported In: 5.20.4
Platform: Manjaro Linux
: NOR normal
Target Milestone: ---
Assignee: Plasma Bugs List
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2020-12-05 19:03 UTC by thegt1k82u
Modified: 2025-11-08 03:48 UTC (History)
1 user (show)

See Also:
Latest Commit:
Version Fixed/Implemented In:
Sentry Crash Report:

Attachments
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2020-12-05 19:03 UTC, thegt1k82u 		Details
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Description thegt1k82u 2020-12-05 19:03:17 UTC 
Created attachment 133894 [details]
Step 5.

SUMMARY
As in summary

STEPS TO REPRODUCE
1. Connect gamepad (was connected with bluetooth)
2. In system settings go to 'Input devices' -> 'Gamepads' (I may be incorrect in names)
3. Select gamepad if needed
4. Move left stick and observe 40-50% CPU usage in htop
5. Disconnect gamepad and observe 100% CPU usage

EXPECTED RESULT
Normal CPU usage.

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: 
Operating System: Manjaro Linux
KDE Plasma Version: 5.20.4
KDE Frameworks Version: 5.76.0
Qt Version: 5.15.2
Kernel Version: 5.9.3-95-tkg-pds
OS Type: 64-bit
Processors: 12 × AMD Ryzen 5 3600 6-Core Processor
Memory: 15.6 ГиБ of RAM
Graphics Processor: GeForce GTX 970/PCIe/SSE2
Comment 1 Nate Graham 2025-10-09 16:18:56 UTC 
Thank you for the bug report, and I'm sorry we weren't able to look into it yet. A lot has changed since it was reported; can I ask you to see if this is still an issue with Plasma 6.4 or later? Thanks a lot!
Comment 2 Bug Janitor Service 2025-10-24 03:47:14 UTC 
🐛🧹 ⚠️ This bug has been in NEEDSINFO status with no change for at least 15 days. Please provide the requested information, then set the bug status to REPORTED. If there is no change for at least 30 days, it will be automatically closed as RESOLVED WORKSFORME.

For more information about our bug triaging procedures, please read https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging.

Thank you for helping us make KDE software even better for everyone!
Comment 3 Bug Janitor Service 2025-11-08 03:48:00 UTC 
🐛🧹 This bug has been in NEEDSINFO status with no change for at least 30 days. Closing as RESOLVED WORKSFORME.