https://bugs.kde.org/show_bug.cgi?id=415262
Bug ID: 415262
Summary: KWin compositing freezes under certain circumstances
since recent overhaul
Product: kwin
Version: git master
Platform: Compiled Sources
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: compositing
Assignee: kwin-bugs-n...@kde.org
Reporter: tempel.jul...@gmail.com
Target Milestone: ---
SUMMARY
After performing certain actions, compositor just renders a black frame and
turns system unusable.
This was introduced in the wake of current KWin overhaul.
STEPS TO REPRODUCE
Case 1:
1. Have compositing enabled and change compositor shadow or animation settings.
Case 2:
1. Have compositing enabled and start a Vulkan fullscreen game.
2. Disable compositing while in the game via shift + alt + f12
3. Minimize the game and turn compositing on again.
OBSERVED RESULT
Compositing turns completely black and can sometimes not be deactivated via
hotkey. If it still can be restarted, it still shows just a black top layer and
the session needs to be restarted to make compositing work again.
EXPECTED RESULT
Compositing should alway turn on and off gracefully.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Arch Linux 5.4.3
(available in About System)
KDE Plasma Version: recent / self-compiled git-master as dependency for
kwin-git
KDE Frameworks Version: recent / self-compiled git-master kwin-git
Qt Version: 5.13.2
GPU: RX 570 with recent mesa 20 git-master
ADDITIONAL INFORMATION
Continuation from: https://bugs.kde.org/show_bug.cgi?id=344433
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