https://bugs.kde.org/show_bug.cgi?id=461782

Ievgen Vovk <yevgenv...@ukr.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |yevgenv...@ukr.net

--- Comment #13 from Ievgen Vovk <yevgenv...@ukr.net> ---
I believe I'm experiencing the same issue: after a while kwin crashes (window
decorations disappear) and one has to restart it (`kwin_x11 --replace`); then
it repeats again.

After the crash, there are these messages in the terminal:

```
kwin_core: XCB error: 3 (BadWindow), sequence: 41305, resource id: 144759611,
major code: 129 (SHAPE), minor code: 6 (Input)
qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 41306, resource
id: 144759611, major code: 2 (ChangeWindowAttributes), minor code: 0
The X11 connection broke: I/O error (code 1)
X connection to :0 broken (explicit kill or server shutdown).
file:///usr/share/kwin/outline/plasma/outline.qml:14: TypeError: Cannot read
property 'longDuration' of null
```

The XCB errors are numerous, but the X11 connection error appears only at the
end.

Am experiencing this in Ubuntu 22.10 (X11 session), which includes
- KDE Plasma Version: 5.26.4
- KDE Frameworks Version: 5.100.0
- Qt Version: 5.15.6
- Kernel Version: 5.19.0-26-generic (64-bit)

KWin reports my system as:
OpenGL vendor string:                   Intel
OpenGL renderer string:                 Mesa Intel(R) Xe Graphics (TGL GT2)
OpenGL version string:                  4.6 (Compatibility Profile) Mesa 22.2.1
OpenGL shading language version string: 4.60
Driver:                                             Intel
GPU class:                                      Tiger Lake
OpenGL version:                           4.6
GLSL version:                                 4.60
Mesa version:                                 22.2.1
X server version:                            1.21.1
Linux kernel version:                     5.19
Requires strict binding:                 yes
GLSL shaders:                                 yes
Texture NPOT support:                  yes
Virtual Machine:                             no

Hope this helps to isolate and solve the issue...

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