https://bugs.kde.org/show_bug.cgi?id=498849
Bug ID: 498849
Summary: Whole Plasma session freezes with the "Fall Apart"
desktop effect being enabled when dragging windows to
the corners of the screen
Classification: Plasma
Product: kwin
Version: 6.2.90
Platform: Neon
OS: Linux
Status: REPORTED
Severity: grave
Priority: NOR
Component: effects-various
Assignee: kwin-bugs-n...@kde.org
Reporter: ilikef...@waterisgone.com
Target Milestone: ---
SUMMARY
Whole Plasma session freezes with the "Fall Apart" desktop effect being enabled
when dragging windows to the corners of the screen (especially the ones at the
bottom)
STEPS TO REPRODUCE
1. Boot KDE Neon.
2. Go to System Settings -> Desktop Effects.
3. Enable the "Fall Apart" one and click Apply.
4. Grab whatever window (I tried with the System Settings one and Dolphin) by
the title and go to the corners of the screen and back, similar to how you
would snap windows into corner tiles, except that you don't release the mouse
button this time. Let's say drag windows on diagonals from the center of the
screen towards the corners and back.
5. If if Plasma doesn't freeze from the first try, keep trying a few more times
until it does, especially at the bottom-left and bottom-right corners.
OBSERVED RESULT
After dragging a window towards and outwards of the bottom left and right
corners, Plasma freezes completely and nothing could be done, except the force
reboot of the computer by holding the power button pressed.
EXPECTED RESULT
Just because I sometimes like to drag windows to edges and corners of the
screen, see the animation and continue dragging them to other edges or corners
or towards the middle of the screen, so I never let them snap to some side, it
should not freeze the whole session leaving me to force reboot the computer and
losing stuff in opened files or web browser.
So my first expectation would be that Plasma do not freezes whatever I do.
My second expectation would be to have a still working tool, triggered by
pressing CTRL+ALT+DEL, like I had in Windows 7, so that I could at least still
recover / restart Plasma.
This is even more important when the OS is live booted so any files that I
might have already downloaded in the Downloads folder or saved in the Desktop
folder will be gone if I have to reboot the computer.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma:
KDE Plasma Version: 6.2.90
KDE Frameworks Version: 6.11.0
Qt Version: 6.8.1
Kernel Version: 6.8.0-51-generic (64-bit)
Graphics Platform: Wayland
ADDITIONAL INFORMATION
Hardware: Laptop Dell Inspiron 5770
Graphics Processor 1: Mesa Intel® UHD Graphics 620 (main)
Graphics Processor 2: AMD Radeon R5 M465 Series
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