https://bugs.kde.org/show_bug.cgi?id=464718
Bug ID: 464718
Summary: High CPU usage when switching to different TTY
Classification: Plasma
Product: plasmashell
Version: 5.26.4
Platform: Manjaro
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: plasma-b...@kde.org
Reporter: rocking...@proton.me
CC: k...@davidedmundson.co.uk
Target Milestone: 1.0
SUMMARY
After switching to different TTY with Ctrl+Alt+F2, the process "plasmashell"
starts using 100% CPU. The cooling fans also begin to ramp up.
Only happens when Nvidia is set as primary GPU. Doesn't happen when using Intel
graphics.
When all non standard tray apps are closed, the problem persists.
When process "plasmashell" is killed, the CPU usage returns to normal.
STEPS TO REPRODUCE
1. Log into Plasma session
2. Switch to different TTY
OBSERVED RESULT
Process "plasmashell" starts using 100% CPU, when checked in "top".
Cooling fans ramp up.
EXPECTED RESULT
Process "plasmashell" doesn't use 100% CPU.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Manjaro Stable
KDE Plasma Version: 5.26.4
KDE Frameworks Version: 5.101.0
Qt Version: 5.15.7
Graphics Platform: X11
ADDITIONAL INFORMATION:
Laptop with Nvidia+Intel graphics
Nvidia driver version: 525.60.11
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