https://bugs.kde.org/show_bug.cgi?id=479094
Bug ID: 479094
Summary: kwin wayland randomly freezes completely when opening
task switcher / alt tab
Classification: Plasma
Product: kwin
Version: 5.91.0
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: scene-opengl
Assignee: kwin-bugs-n...@kde.org
Reporter: l...@tutamail.com
Target Milestone: ---
STEPS TO REPRODUCE
1. Open the task switcher with alt + tab
2. Kwin can sometimes freezes completely
OBSERVED RESULT
Kwin freezes with graphical corruption (like random parts of each open window
flickering on the screen) and eventually goes to a black screen
EXPECTED RESULT
Kwin should not freeze
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 5.91.90
KDE Frameworks Version: 5.248.0
Qt Version: 6.6.1
Kernel Version: 6.6.8-arch1-1 (64-bit)
Graphics Platform: Wayland
Processors: 4 × Intel® Core™ i3-3240 CPU @ 3.40GHz
Graphics Processor: Mesa Intel® HD Graphics 2500
ADDITIONAL INFORMATION
Can reproduce frequently (like every 15 minutes when using it normally) on beta
2 and git master built with kdesrc-build
daily drived beta 1 since it released until beta 2 and it never happened so
must be a recent regression
When it happens it spams system logs with this until its killed / restarted:
kwin_scene_opengl: 0x1: GL_INVALID_OPERATION in glDrawArrays
kwin_scene_opengl: 0x1: GL_INVALID_OPERATION in glDrawArrays
kwin_scene_opengl: 0x1: GL_INVALID_OPERATION in glDrawArrays
kwin_scene_opengl: 0x1: GL_INVALID_OPERATION in glVertexAttribPointer(no array
object bound)
kwin_scene_opengl: 0x1: GL_INVALID_OPERATION in glVertexAttribPointer(no array
object bound)
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