https://bugs.kde.org/show_bug.cgi?id=478094
Bug ID: 478094
Summary: kwin_wayland crashes when toggling desktop grid effect
in multi-monitor setup
Classification: Plasma
Product: kwin
Version: master
Platform: Neon
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: effects-desktop-grid
Assignee: kwin-bugs-n...@kde.org
Reporter: fanzhuyi...@gmail.com
Target Milestone: ---
Created attachment 163892
--> https://bugs.kde.org/attachment.cgi?id=163892&action=edit
backtrace
SUMMARY
***
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symbols.
See
https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports
***
STEPS TO REPRODUCE
1. Create 9 desktops in a 3x3 grid
2. Create a lot of windows on the external monitor (I ran seq 1 30 | xargs -I{}
bash -c "xclock -geometry 200x200 &")
3. Go to another desktop and trigger desktop grid effect
4. Repeat step 3.
OBSERVED RESULT
kwin_wayland crashes (see attachment for gdb backtrace)
EXPECTED RESULT
kwin_wayland shouldn't crash
SOFTWARE/OS VERSIONS
Operating System: KDE neon Unstable Edition
KDE Plasma Version: 5.90.0
KDE Frameworks Version: 5.246.0
Qt Version: 6.6.0
Kernel Version: 6.2.0-37-generic (64-bit)
Graphics Platform: Wayland
Processors: 20 × 13th Gen Intel® Core™ i9-13900H
Memory: 15.2 GiB of RAM
Graphics Processor: Mesa Intel® Graphics
Manufacturer: ASUSTeK COMPUTER INC.
Product Name: ROG Zephyrus G16 GU603VV_GU603VV
System Version: 1.0
ADDITIONAL INFORMATION
For me this is reproducible with high probability.
Also happened on my arch linux machine running master build.
The output of my kscreendoctor -o:
Output: 1 eDP-1
enabled
connected
priority 1
Panel
Modes: 0:2560x1600@240*! 1:2560x1600@60 2:1600x1200@60
3:1280x1024@60 4:1024x768@60 5:2560x1600@60 6:1920x1200@60 7:1280x800@60
8:2560x1440@60 9:1920x1080@60 10:1600x900@60 11:1368x768@60 12:1280x720@60
Geometry: 1920,0 1707x1067
Scale: 1.5
Rotation: 1
Overscan: 0
Vrr: Automatic
RgbRange: Automatic
HDR: incapable
Wide Color Gamut: incapable
ICC profile: none
Output: 2 HDMI-A-1
enabled
connected
priority 2
HDMI
Modes: 0:1920x1080@60*! 1:1920x1080@72 2:1920x1080@60
3:1920x1080@50 4:1680x1050@60 5:1600x900@60 6:1280x1024@60 7:1440x900@60
8:1280x800@60 9:1280x720@60 10:1280x720@60 11:1280x720@50 12:1024x768@70
13:1024x768@60 14:800x600@72 15:800x600@60 16:800x600@56 17:720x576@50
18:720x480@60 19:640x480@73 20:640x480@60
Geometry: 0,0 1920x1080
Scale: 1
Rotation: 1
Overscan: 0
Vrr: incapable
RgbRange: unknown
HDR: incapable
Wide Color Gamut: incapable
ICC profile: none
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