https://bugs.kde.org/show_bug.cgi?id=496167
Bug ID: 496167
Summary: System freeze after wakeup from hibernate/sleep when
dragging a window
Classification: Plasma
Product: kwin
Version: 6.2.0
Platform: Manjaro
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: xwayland
Assignee: kwin-bugs-n...@kde.org
Reporter: k...@post.kuckst.de
Target Milestone: ---
SUMMARY
Since the release of 6.2.0 my system freezes every time after waking up from
hibernation or sleep when a window is dragged. It does not happen on the first
drag of a window, but it happens at some point certain.
STEPS TO REPRODUCE
1. Start a new session. Work as normal
2. Send system to hibernation
3. Wake system from hibernation
4. Drag some windows around until the system freezes (happens quite often for
Firefox and Dolphin, but just because those are the windows I'm dragging the
most.
5. Watch system becoming unresponsive while the journal fills itself with
messages and audio continues.
OBSERVED RESULT
System comes to a halt. Cannot move the mouse, cannot switch to a text
terminal. Audio continues. Systems seems to continue working, but can't be
interacted with.
EXPECTED RESULT
System can be used as normal after being resumed from hibernation.
SOFTWARE/OS VERSIONS
Operating System: Manjaro Linux
KDE Plasma Version: 6.2.3
KDE Frameworks Version: 6.7.0
Qt Version: 6.8.0
Kernel Version: 6.11.6-1-MANJARO (64-bit)
Graphics Platform: Wayland
Processors: 22 × Intel® Core™ Ultra 7 165H
Memory: 30.2 GiB of RAM
Graphics Processor: Mesa Intel® Arc
ADDITIONAL INFORMATION
I deactivated all kwin effects I had active to rule out that these are not
optimised for 6.2.x. I also deactivated the integrated wobbly windows effect.
The error still occurs. This was not an issue with 6.1.x
Journal is flooded with
```
Nov 07 16:13:46 kwin_wayland[1419]: kwin_scene_opengl: 0x2:
GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Nov 07 16:13:46 kwin_wayland[1419]: kwin_scene_opengl: 0x2:
GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Nov 07 16:13:46 kwin_wayland[1419]: kwin_scene_opengl: 0x2:
GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Nov 07 16:13:46 kwin_wayland[1419]: kwin_scene_opengl: 0x2:
GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Nov 07 16:13:46 kwin_wayland[1419]: kwin_scene_opengl: 0x2:
GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Nov 07 16:13:46 kwin_wayland[1419]: kwin_scene_opengl: 0x2:
GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Nov 07 16:13:46 kwin_wayland[1419]: kwin_scene_opengl: 0x2:
GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Nov 07 16:13:46 kwin_wayland[1419]: kwin_scene_opengl: 0x2:
GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Nov 07 16:13:46 kwin_wayland[1419]: kwin_scene_opengl: 0x2:
GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
```
but it looks like that recently changed with one of the last updates. And now
the journal is flooded with these messages
```
Nov 12 07:32:39 kwin_wayland[1379]: kwin_scene_opengl: 0x1:
GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Nov 12 07:32:39 kwin_wayland[1379]: This plugin does not support setting window
masks
Nov 12 07:32:39 kwin_wayland[1379]: This plugin does not support setting window
masks
Nov 12 07:32:39 kwin_wayland[1379]: This plugin does not support setting window
masks
```
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