https://bugs.kde.org/show_bug.cgi?id=491342
Bug ID: 491342
Summary: Kde Portal for window capture causes an instant freeze
of an resource heavy task.
Classification: Plasma
Product: xdg-desktop-portal-kde
Version: 6.1.3
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: plasma-b...@kde.org
Reporter: 2jf5vua...@hellomailo.net
CC: aleix...@kde.org, jgrul...@redhat.com, n...@kde.org
Target Milestone: ---
I am unable to get any crash log the closest thing I got was an obs log file
which didnt contain anything useful.
STEPS TO REPRODUCE
1. Open any screen capture/window capture software that asks for a kde portal
2. Switch capture to window selection and select a resource heavy task like a
video game
3. alt tab into the heavy task
4. instant process freeze
5.alt tab back out of the heavy process
6. process comes back to life and is responsive
7.alt tab back into it and we're back to step 4
!you dont even have to start recording anything selecting the portal just
causes an instant freeze not even starting a recording inside obs etc. this
also applies to other software like discord screensharing!
!this does not happen while using screen capture for the entire desktop(using a
kde portal) or even the obs-gamecapture plugin it's only related to selecting a
certain resource heavy windows so selecting kdenlive any video game etc.
(window capture is only effected)!
OBSERVED RESULT
Process lags and is unresponsive for a brief moment until you alt tab out of it
then it comes back to life for a short period of time after you alt tab back
into it and then it lags.
EXPECTED RESULT
Stable gameplay or usage of the process without it freezing while screen
casting a window via a kde portal and actively using the window.
SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 40 (kde spin)
KDE Plasma Version: 6.1.3
KDE Frameworks Version: 6.4.0
Qt Version: 6.7.2
Kernel Version: 6.9.12-200.fc40.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 12 × AMD Ryzen 5 5600 6-Core Processor
Graphics Processor: AMD Radeon RX 6700 XT
I am willing to provide more details if guided how to do so unfortunately this
is not even detected by kde crashed process viewer or by anything else really
so I cant get a backtrace or even a log file.
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