https://bugs.kde.org/show_bug.cgi?id=453534
Bug ID: 453534
Summary: kcalc process always takes nearly 100% of a CPU thread
when it's running
Product: kcalc
Version: 22.04.0
Platform: unspecified
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: general
Assignee: ete...@alum.rit.edu
Reporter: kevinfoc...@gmail.com
Target Milestone: ---
SUMMARY
kcalc process always takes nearly 100% of a CPU thread when it's running, so
that the laptop turns hot and loud. The problem is only observed with kcalc,
demanding software runs relatively quietly.
STEPS TO REPRODUCE
1. Start kcalc
2. leave the process running for a short while
3. close the window normally or kill the process
OBSERVED RESULT
laptop fans turn loud, top shows 95%+ CPU usage right after start
kcalc works and quits as expected otherwise
the CPU usage returns to normal after kcalc is closed
EXPECTED RESULT
kcalc should not take this amount of resources
SOFTWARE/OS VERSIONS
Windows:
macOS:
Linux/KDE Plasma: 5.17.5-arch1-1
(available in About System)
KDE Plasma Version: 5.24.5
KDE Frameworks Version: 5.93.0
Qt Version: 5.15.3
ADDITIONAL INFORMATION
CPU/GPU: Ryzen 7 5700U as part of the Lenovo ThinkBook 14 G3 ACL
Bios Version: GQCN20WW(V1.06)
The problem has only been observed with kcalc
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