https://bugs.kde.org/show_bug.cgi?id=521497
Bug ID: 521497
Summary: KWin crashes with a segmentation fault when a second
monitor (Wacom Movink Tablet) enters standby mode.
Classification: Plasma
Product: kwin
Version First unspecified
Reported In:
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 193171
--> https://bugs.kde.org/attachment.cgi?id=193171&action=edit
KWIN Crash Report Text
## Environment
- OS: Fedora (Plasma 6 / Wayland)
- Hardware: Multi-Monitor Setup including a Wacom Movink Tablet (Display +
Digitizer)
## Steps to Reproduce
1. Connect Wacom Movink Tablet as a secondary screen.
2. Let the system / display timeout trigger standby
3. KWin crashes immediately, tearing down the Wayland session.
## Traces
The crash occurs in `KWin::LibInput::Connection::applyScreenToDevice` during a
udev/DRM backend output update.
```
#4 0x00007f8b5e7dc880 in
KWin::LibInput::Connection::applyScreenToDevice(KWin::LibInput::Device*) ()
from /lib64/libkwin.so.6
#5 0x00007f8b5e7dc930 in KWin::LibInput::Connection::updateScreens() () from
/lib64/libkwin.so.6
#6 0x00007f8b5e555d7c in KWin::InputRedirection::updateScreens() () from
/lib64/libkwin.so.6
#7 0x00007f8b5b584eb7 in void doActivate<false>(QObject*, int, void**) () from
/lib64/libQt6Core.so.6
#8 0x00007f8b5e71b0ba in KWin::Workspace::updateOutputs() () from
/lib64/libkwin.so.6
#10 0x00007f8b5e7890e5 in KWin::DrmBackend::updateOutputs(KWin::DrmGpu*) ()
from /lib64/libkwin.so.6
#11 0x00007f8b5e78be3d in KWin::DrmBackend::handleUdevEvent() () from
/lib64/libkwin.so.6
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