https://bugs.kde.org/show_bug.cgi?id=484837
Bug ID: 484837
Summary: kactivitymanagerd runs one CPU core at 100% under
Plasma 6.0, laptop fan runs at idle
Classification: Plasma
Product: kactivitymanagerd
Version: 6.0.3
Platform: Neon
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: ivan.cu...@kde.org
Reporter: k...@callthecomputerdoctor.com
CC: plasma-b...@kde.org
Target Milestone: ---
SUMMARY
kactivitymanagerd runs one CPU core at 100% from the moment of login and until
logout.
This is new behaviour which wasn't present under Plasma 5.27; it's only
recently with the upgrade to 6.0.x.
STEPS TO REPRODUCE
1. Log in.
2. Open up System Monitor, or better yet, htop from the terminal.
3. Notice that kactivitymanagerd is running constantly at 100%.
4. From the terminal, stop the daemon by executing this and notice that the CPU
is now normal:
systemctl --user stop plasma-kactivitymanagerd
OBSERVED RESULT
System Monitor/htop shows one core fully utilitzed by kactivitymanagerd. Also
laptop power usage is increased and the fan is coming on more often.
EXPECTED RESULT
kactivitymanagerd should be at a negligible CPU usage. Laptop fan does not come
on at idle.
SOFTWARE/OS VERSIONS
Operating System: KDE neon 6.0
KDE Plasma Version: 6.0.3
KDE Frameworks Version: 6.0.0
Qt Version: 6.6.2
Kernel Version: 6.5.0-26-generic (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 6800H with Radeon Graphics
Memory: 14.9 GiB of RAM
Graphics Processor: AMD Radeon Graphics
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