SUMMARY After some uptime plasma is using 100% one of my CPU cores. After killing plasmashell and rerun it - CPU usage goes normal, but after some time it happens again. Killing ksysguardd fixes this problem too, but it happens again too STEPS TO REPRODUCE 1. Add next widgets to your desktop: cpu usage, ram usage, disk usage, disk io 2. Wait for some hours OBSERVED RESULT In your CPU usage widget you will see, that cpu usage is big and plasma works very slow EXPECTED RESULT Stable work, without abnormally cpu usage SOFTWARE/OS VERSIONS Linux/KDE Plasma: Fedora 30 (available in About System) KDE Plasma Version: 5.15.4 KDE Frameworks Version: 5.57.0 Qt Version: 5.12.1 OpenGL renderer string: Mesa DRI Intel(R) Ivybridge Mobile
>1. Add next widgets to your desktop: cpu usage, ram usage, disk usage, disk io Could you try to narrow down which one(s) make an impact
I was having similar problems on my computer, turns out it was caused by one mount point mentioned twice in mtab. I created some patches addressing this, could you have a look at them (and perhaps test them) here: https://phabricator.kde.org/T11473 It may be the case that your problems are different than what I was having, in that case, if you can reproduce it, a strace of plasmashell would be handy.
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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!