https://bugs.kde.org/show_bug.cgi?id=480100
Bug ID: 480100
Summary: Memory is not freed after activating overview/show
desktops effects leading to OOM killing of plasmashell
and kwin
Classification: Plasma
Product: kwin
Version: 5.92.0
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: compositing
Assignee: kwin-bugs-n...@kde.org
Reporter: qufiwefefw...@gmail.com
Target Milestone: ---
Created attachment 165078
--> https://bugs.kde.org/attachment.cgi?id=165078&action=edit
Output of `journalctl` after OOM
SUMMARY
Repeatedly activating overview or show desktop effects memory used by user
environment surges up and is not released back to system, leading to out of
memory killing of plasmashell and kwin.
STEPS TO REPRODUCE
1. Boot system
2. Log into plasma 6 RC1 (wayland-session)
3. Start activating overview/show_desktop effects using 4-finger touchpad
gestures
4. After a 100 or so OOM kills plasmashell and kwin. One cycle of 3 4-finger
gestures down/up consumes about 50-100MB of memory. Very rough estimate,
measured visually through "System Monitor" app.
OBSERVED RESULT
plasmashell is killed and restarted automatically
EXPECTED RESULT
Memory held by system to stay at the same level no matter how much I'm using
overview/show_desktops effects.
SOFTWARE/OS VERSIONS
OS: Linux 6.7.0-zen3-1.1-zen ZEN SMP PREEMPT_DYNAMIC kernel, Endeavouros
(based on Arch Linux, uses Arch Linux repos directly)
KDE Plasma Version: 5.92.0
KDE Frameworks Version: 5.248.0
Qt Version: 6.7.0 (Arch Linux packages Plasma 6 with Qt 6.7 despite
recommendations)
ADDITIONAL INFORMATION:
## Harware
Processor: 16 × 13th Gen Intel® Core™ i5-1340P
Memory: 15.2 GiB of RAM
Graphics: Mesa Intel® Graphics (using mesa 1:23.3.3-1 from archlinux extra
repo)
Manufacturer: ASUSTeK COMPUTER INC.
I'm happy to provide any additional information needed and reproduce the bug if
needed. Thanks
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