https://bugs.kde.org/show_bug.cgi?id=474325
Bug ID: 474325
Summary: KDE freezes complete on process plasmashell
Classification: Plasma
Product: plasmashell
Version: 5.27.5
Platform: Debian stable
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: generic-crash
Assignee: plasma-b...@kde.org
Reporter: forum+...@home.decotrain.de
Target Milestone: 1.0
SUMMARY
Please refer additional to
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1041044
(The bug is not related to Mozilla Firefox, but it occurs most often using it.)
It seems that webpages with intense graphics can cause the system freeze.
But there are other events where the system freezes obvious in other
applications.
it is possible to login remote from another PC, so the kernel and OS is still
alive.
Requesting a kill of a process or a shutdown does not work - a hard reset of
the PC is needed.
In many cases the process plasmashell is going into 100% cpu usage.
When another process is going into 100% cpu usage (like Firefox) and it is
killed, then plasmashell goes into 100% cpu usage.
There is another PC running Debian 12 that has sometimes the same freeze
problem, so it is not a hardware problem.
Any tips how to debug this would be helpful and will be reported.
STEPS TO REPRODUCE
It is a big problem that there is no specific application or reproductive steps
to freeze the system.
The best way is to use Firefox with intense graphic sites, like windy.com,
starting a video of the wheather situation for 2 hours.
Avoiding such use cases the system runs stable without freeze.
1. Start Firefox and call a heavy duty webpage
2. KDE suddenly freezes including the mouse pointer
3. System does not react on anything, but a remote-login via ssh is possible
4. Hard reset needed.
OBSERVED RESULT
System freezes suddenly.
EXPECTED RESULT
No freeze like in Debian 11
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Debian 12 (bookworm) stable Kernel 6.1.0-11-amd64 (64-bit)
KDE Plasma Version: 5.27.5
KDE Frameworks Version: 5.103.0
Qt Version: 5.15.8
ADDITIONAL INFORMATION
Did not occure in previous versions (KDE Plasma Version 5.20.5)
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