https://bugs.kde.org/show_bug.cgi?id=450119
Bug ID: 450119
Summary: Plasma slow/freezes on resume
Product: plasmashell
Version: 5.24.0
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: plasma-b...@kde.org
Reporter: jchevar...@gmail.com
CC: k...@davidedmundson.co.uk
Target Milestone: 1.0
Operating System: Arch Linux
KDE Plasma Version: 5.24.0
KDE Frameworks Version: 5.90.0
Qt Version: 5.15.2
Kernel Version: 5.16.8-arch1-1 (64-bit)
Graphics Platform: X11
Processors: 24 × AMD Ryzen 9 5900X 12-Core Processor
Memory: 31.3 GiB of RAM
Graphics Processor: NVIDIA GeForce RTX 2080 SUPER/PCIe/SSE2
NVIDIA Driver: 510.47.03
On wake-up/resume, I had a notification that graphics had crashed/restarted
(OK, that happens reasonable often). However, I tried to dismiss the
notification and noticed it was... frozen. As was the rest of Plasma
Shell/toolbar. I could still interact with Firefox, and things like opening the
task menu, adjust volume (using keyboard keys) did still work - it was just
super delayed/lag - i.e. took 10-30+ seconds to register a click on the taskbar
and do the action.
I was able to get system monitor open where PlasmaShell was essentially at 100%
on one core.
Looking at the journalctl logs (see attached), looked like there was crazy
memory leaks (didn't see anything about the graphics crash/reset in there,
though). After the OOM killed plasmashell, I was able to run 'kstart5
plasmashell' and all was right in the world (when plasma shell was killed, all
of my windows stayed open and luckily I still had a konsole open that I could
type into).
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