https://bugs.kde.org/show_bug.cgi?id=388127
Bug ID: 388127
Summary: Kwin crashes when switching desktops
Product: kwin
Version: 5.11.4
Platform: Archlinux Packages
OS: Linux
Status: UNCONFIRMED
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: t...@tedstechshack.com
Target Milestone: ---
This could be the same bug as #386370 but I am not sure. I don't have a
backtrace. I'll try and install versions with debug info but I wanted to file
this now.
I have tried different desktop switching effects, and I think what is causing
the issue is the "Desktop Switch On-Screen Display" option.
kwin crashes somewhat randomly when switching desktops. But it is fairly
regularly. I ran "kwin_x11" in a Konsole and before it crashes I get messages
like this;
QOpenGLContext::swapBuffers() called with non-exposed window, behavior is
undefined
QOpenGLContext::swapBuffers() called with non-exposed window, behavior is
undefined
QOpenGLContext::swapBuffers() called with non-exposed window, behavior is
undefined
QOpenGLContext::swapBuffers() called with non-exposed window, behavior is
undefined
QOpenGLContext::swapBuffers() called with non-exposed window, behavior is
undefined
QOpenGLContext::swapBuffers() called with non-exposed window, behavior is
undefined
QXcbConnection: XCB error: 3 (BadWindow), sequence: 64494, resource id:
130023438, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 1686, resource id:
130023438, major code: 18 (ChangeProperty), minor code: 0
QOpenGLContext::swapBuffers() called with non-exposed window, behavior is
undefined
QOpenGLContext::swapBuffers() called with non-exposed window, behavior is
undefined
QOpenGLContext::swapBuffers() called with non-exposed window, behavior is
undefined
The X11 connection broke: No error (code 0)
XIO: fatal IO error 11 (Resource temporarily unavailable) on X server ":0"
after 96363 requests (96363 known processed) with 0 events remaining.
As this might help as well;
>kwin_x11
QXcbConnection: XCB error: 3 (BadWindow), sequence: 172, resource id:
127926294, major code: 20 (GetProperty), minor code: 0
OpenGL vendor string: NVIDIA Corporation
OpenGL renderer string: GeForce GTX 760/PCIe/SSE2
OpenGL version string: 4.6.0 NVIDIA 387.34
OpenGL shading language version string: 4.60 NVIDIA
Driver: NVIDIA
Driver version: 387.34
GPU class: Unknown
OpenGL version: 4.6
GLSL version: 4.60
X server version: 1.19.5
Linux kernel version: 4.14.7
Requires strict binding: no
GLSL shaders: yes
Texture NPOT support: yes
Virtual Machine: no
Just by experiment I turned off the "Desktop Switch On-Screen Display" option
and I don't seem to be crashing now.
You can try and reproduce by turning that option on and switching desktops
multiple times until kwin crashes. Once kwin crashes, I am able to run it again
in a console and continue working.
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