Crash in __pthread_kill_implementation

Similar reports
Problem #805521
Component
kwin
Last affected version
0:6.6.4-2.fc42
Executable
/usr/bin/kwin_wayland
Error name
SIGSEGV 11
First occurrence
2026-05-11
Last occurrence
2026-07-07
Unique reports
3
Quality
-49

Statistics

Operating system Unique / Total count
Fedora 42 3 / 5
Operating system Count
Fedora 42 5
Architecture Count
x86_64 5
Related packages Count
kwin 5
 0:6.6.4-2.fc42 5

Packages names with count less than the total count of reports are most probably not the cause of the problem.

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Backtrace

Frame # Function Binary Source or offset Line
1
__pthread_kill_implementation
/lib64/libc.so.6 0x73e7c
Build id: 17a908195ad4110e58083fc22fd8ac486d01da53
-
2
raise
/lib64/libc.so.6 0x19f0e
Build id: 17a908195ad4110e58083fc22fd8ac486d01da53
-
3
KCrash::defaultCrashHandler(int)
/lib64/libKF6Crash.so.6 0x50d6
Build id: 7d4f5800fe506424c32516e59261381bd15d13ee
-
4
/lib64/libc.so.6 0x1a040
Build id: 17a908195ad4110e58083fc22fd8ac486d01da53
-
5
KWin::Item::sortedChildItems() const
/lib64/libkwin.so.6 0x211a8b
Build id: 91855882e93c74179c23b007992af61cd4dcdab8
-
6
KWin::ItemRendererOpenGL::createRenderNode(KWin::Item*, KWin::ItemRendererOpenGL::RenderContext*, std::function<bool (KWin::Item*)> const&, std::function<bool (KWin::Item*)> const&)
/lib64/libkwin.so.6 0x21c487
Build id: 91855882e93c74179c23b007992af61cd4dcdab8
-
7
KWin::ItemRendererOpenGL::renderItem(KWin::RenderTarget const&, KWin::RenderViewport const&, KWin::Item*, int, KWin::Region const&, KWin::WindowPaintData const&, std::function<bool (KWin::Item*)> const&, std::function<bool (KWin::Item*)> const&)
/lib64/libkwin.so.6 0x21fe6c
Build id: 91855882e93c74179c23b007992af61cd4dcdab8
-
8
KWin::WindowScreenCastSource::render(KWin::GLFramebuffer*, KWin::Region const&)
/usr/lib64/qt6/plugins/kwin/plugins/screencast.so 0x1b2f7
Build id: 0880b11b7e1a09c5b8ea6737d5df1d5f453c6fe4
-
9
KWin::ScreenCastStream::record(QFlags<KWin::ScreenCastStream::Content>)
/usr/lib64/qt6/plugins/kwin/plugins/screencast.so 0x19405
Build id: 0880b11b7e1a09c5b8ea6737d5df1d5f453c6fe4
-
10
QtPrivate::QCallableObject<KWin::ScreenCastStream::ScreenCastStream(KWin::ScreenCastSource*, std::shared_ptr<KWin::PipeWireCore>, QObject*)::{lambda()#2}, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*)
/usr/lib64/qt6/plugins/kwin/plugins/screencast.so 0x19d43
Build id: 0880b11b7e1a09c5b8ea6737d5df1d5f453c6fe4
-
11
void doActivate<false>(QObject*, int, void**)
/lib64/libQt6Core.so.6 0x16929a
Build id: db563c596b76c59d1f3dab54fbb702806b53e599
-
12
QTimer::timeout(QTimer::QPrivateSignal)
/lib64/libQt6Core.so.6 0x179a93
Build id: db563c596b76c59d1f3dab54fbb702806b53e599
-
13
QObject::event(QEvent*)
/lib64/libQt6Core.so.6 0x15ac65
Build id: db563c596b76c59d1f3dab54fbb702806b53e599
-
14
QApplicationPrivate::notify_helper(QObject*, QEvent*)
/lib64/libQt6Widgets.so.6 0x3df1f
Build id: 808439601d4409411f2d7d9972468dd1dc9ebc79
-
15
QCoreApplication::notifyInternal2(QObject*, QEvent*)
/lib64/libQt6Core.so.6 0xfdb28
Build id: db563c596b76c59d1f3dab54fbb702806b53e599
-
16
QTimerInfoList::activateTimers()
/lib64/libQt6Core.so.6 0x2d24b8
Build id: db563c596b76c59d1f3dab54fbb702806b53e599
-
17
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
/lib64/libQt6Core.so.6 0x2d682b
Build id: db563c596b76c59d1f3dab54fbb702806b53e599
-
18
QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
/lib64/libQt6Gui.so.6 0x6fe212
Build id: cdd989998834e31da7bcd0052e409684eb0e5917
-
19
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
/lib64/libQt6Core.so.6 0x10ab23
Build id: db563c596b76c59d1f3dab54fbb702806b53e599
-
20
QCoreApplication::exec()
/lib64/libQt6Core.so.6 0x1063e9
Build id: db563c596b76c59d1f3dab54fbb702806b53e599
-
21
main
/usr/bin/kwin_wayland 0xeb82
Build id: 0f25fe98d06b93bd275c81a7f05fa427ba780862
-
22
__libc_start_call_main
/lib64/libc.so.6 0x3575
Build id: 17a908195ad4110e58083fc22fd8ac486d01da53
-
23
__libc_start_main@@GLIBC_2.34
/lib64/libc.so.6 0x3628
Build id: 17a908195ad4110e58083fc22fd8ac486d01da53
-
24
_start
/usr/bin/kwin_wayland 0x14f65
Build id: 0f25fe98d06b93bd275c81a7f05fa427ba780862
-