https://bugs.kde.org/show_bug.cgi?id=521687
Bug ID: 521687
Summary: Window rendering freezes when other windows are kept
above it
Classification: Plasma
Product: kwin
Version First 6.7.0
Reported In:
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
DESCRIPTION
I've experienced this bug specifically with chromium (chrome/brave) on Wayland
and MPV.
When "keep above others" is set on MPV, chromium window rendering tends to
completely freeze until you click off it and back in. Usually happens when
typing a message in Discord web, but can happen on any other website.
STEPS TO REPRODUCE
0. Use Wayland
1. Open MPV and play some video on it
2. Select keep above others for MPV and keep it off to the side (either
overlapping the chromium or not)
3. Interact with the chomium window, open tabs, scroll on websites, type in
discord channels
OBSERVED RESULT
All works as expected.
EXPECTED RESULT
The chromium window rendering completely freezes - but only the rendering.
All interactions with the window are processed and happen, they're just not
visible.
Clicking off the window forces the rendering to catch up and once again show
the current state.
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 6.7.0
KDE Frameworks Version: 6.27.0
Qt Version: 6.11.1
ADDITIONAL INFORMATION
I've had this exact issue a year and half ago, at that time I thought it was a
chromium issue, and opened a ticket there. But it got no response.
The only way for me to not get it to freeze was to use X11 instead of wayland.
That was with:
KDE Plasma Version: 6.1.0
KDE Frameworks Version: 6.3.0
Qt Version: 6.7.1
At some point, it got fixed. But there seems to be a regression again in 6.7.0.
This time I can confirm when i rollback my system back to KDE 6.6.5 while
keeping the same brave version, the issue fully goes away.
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