https://bugs.kde.org/show_bug.cgi?id=441396
Bug ID: 441396
Summary: Kwin is rendering old content when taking screenshots
Product: kwin
Version: git master
Platform: Archlinux Packages
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: compositing
Assignee: kwin-bugs-n...@kde.org
Reporter: k...@sdht.in
Target Milestone: ---
Created attachment 140959
--> https://bugs.kde.org/attachment.cgi?id=140959&action=edit
KWin supportInformation
SUMMARY
Taking screenshots with Spectacle renders old content instead of what is
actually on the screen. I have to "reset" Kwin by changing some Compositor
settings before taking screenshots.
STEPS TO REPRODUCE
> Open Spectacle and take a screenshot using rectangular region.
The screen changes to some old state as it was when I had just logged in,
including a partially black screen and a notification widget showing "Connected
to wifi".
> Try "Window Under Cursor"
The same thing happens. Either some old window or the desktop itself comes in
the screenshot, but not the currently open windows.
> Go to Compositor settings and change "Scale method" or "Rendering backend" to
> something else.
Now Kwin resets and I can take screenshots of the current screen again.
This bug appeared in the last month or so. Willing to help debug.
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 5.22.80 (plasma-desktop-git r8585.20210820.4cc2de24d,
kwin-git r19807.20210821.17b161213)
KDE Frameworks Version: 5.86.0
Qt Version: 5.15.2
Kernel Version: 5.13.12-arch1-1 (64-bit)
Graphics Platform: X11
ADDITIONAL INFORMATION
Attaching kwin info.
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