Application: kwin_x11 (5.24.4)

Qt Version: 5.15.3
Frameworks Version: 5.92.0
Operating System: Linux 5.15.31-1-lts-aman x86_64
Windowing System: X11
Distribution: Arch Linux
DrKonqi: 5.24.4 [KCrashBackend]

-- Information about the crash:
KWin crashes occasionally when switching applications with alt+tab.

The crash can be reproduced sometimes.

-- Backtrace:
Application: KWin (kwin_x11), signal: Aborted
Content of s_kcrashErrorMessage: {_M_t = {<std::__uniq_ptr_impl<char, std::default_delete<char []> >> = {_M_t = std::tuple containing = {[1] = 0x0, [2] = {<No data fields>}}}, <No data fields>}}
[KCrash Handler]
#6  0x00007f12e0e0634c in __pthread_kill_implementation () at /usr/lib/libc.so.6
#7  0x00007f12e0db94b8 in raise () at /usr/lib/libc.so.6
#8  0x00007f12e0da3534 in abort () at /usr/lib/libc.so.6
#9  0x00007f12d959b59b in  () at /usr/lib/dri/iris_dri.so
#10 0x00007f12da1d323f in  () at /usr/lib/dri/iris_dri.so
#11 0x00007f12d981cea7 in  () at /usr/lib/dri/iris_dri.so
#12 0x00007f12e3828d88 in KWin::WindowThumbnailItem::updateOffscreenTexture() (this=0x55af699f00d0) at /usr/src/debug/kwin-5.24.4/src/scripting/thumbnailitem.cpp:432
#13 0x00007f12e1eba463 in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7ffdffa79e50, r=<optimized out>, this=0x55af699c00b0, this=<optimized out>, r=<optimized out>, a=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#14 doActivate<false>(QObject*, int, void**) (sender=0x55af6991ca80, signal_index=3, argv=0x7ffdffa79e50) at kernel/qobject.cpp:3886
#15 0x00007f12e38003e6 in KWin::Scene::paintScreen(QRegion const&, QRegion const&, QRegion*, QRegion*, KWin::RenderLoop*, QMatrix4x4 const&) (this=0x55af6991ca80, damage=<optimized out>, repaint=..., updateRegion=0x7ffdffa79ff0, validRegion=0x7ffdffa79fe8, renderLoop=<optimized out>, projection=...) at /usr/src/debug/kwin-5.24.4/src/scene.cpp:282
#16 0x00007f12e38c6297 in KWin::SceneOpenGL::paint(KWin::AbstractOutput*, QRegion const&, QList<KWin::Toplevel*> const&, KWin::RenderLoop*) (this=0x55af6991ca80, output=0x0, damage=..., toplevels=<optimized out>, renderLoop=0x55af6859a590) at /usr/src/debug/kwin-5.24.4/src/scenes/opengl/scene_opengl.cpp:259
#17 0x00007f12e37627f4 in KWin::Compositor::composite(KWin::RenderLoop*) (this=0x55af685fad40, renderLoop=0x55af6859a590) at /usr/src/debug/kwin-5.24.4/src/composite.cpp:633
#18 0x00007f12e3762d40 in KWin::X11Compositor::composite(KWin::RenderLoop*) (this=0x55af685fad40, renderLoop=<optimized out>) at /usr/src/debug/kwin-5.24.4/src/composite.cpp:844
#19 0x00007f12e1eba463 in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7ffdffa7a2f0, r=<optimized out>, this=0x55af69124be0, this=<optimized out>, r=<optimized out>, a=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#20 doActivate<false>(QObject*, int, void**) (sender=0x55af6859a590, signal_index=5, argv=0x7ffdffa7a2f0) at kernel/qobject.cpp:3886
#21 0x00007f12e37207a7 in KWin::RenderLoop::frameRequested(KWin::RenderLoop*) (this=<optimized out>, _t1=<optimized out>) at /usr/src/debug/build/src/kwin_autogen/EWIEGA46WW/moc_renderloop.cpp:206
#22 0x00007f12e37f1c18 in KWin::RenderLoopPrivate::dispatch() (this=0x55af6859c670) at /usr/src/debug/kwin-5.24.4/src/renderloop.cpp:150
#23 0x00007f12e1eba463 in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7ffdffa7a410, r=<optimized out>, this=0x55af685c7860, this=<optimized out>, r=<optimized out>, a=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#24 doActivate<false>(QObject*, int, void**) (sender=0x55af6859c688, signal_index=3, argv=0x7ffdffa7a410) at kernel/qobject.cpp:3886
#25 0x00007f12e1ebc69f in QTimer::timeout(QTimer::QPrivateSignal) (this=<optimized out>, _t1=...) at .moc/moc_qtimer.cpp:205
#26 0x00007f12e1ead766 in QObject::event(QEvent*) (this=0x55af6859c688, e=0x7ffdffa7a5b0) at kernel/qobject.cpp:1291
#27 0x00007f12e14b71c6 in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=<optimized out>, receiver=0x55af6859c688, e=0x7ffdffa7a5b0) at kernel/qapplication.cpp:3637
#28 0x00007f12e1e895aa in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x55af6859c688, event=0x7ffdffa7a5b0) at kernel/qcoreapplication.cpp:1064
#29 0x00007f12e1ed4dd5 in QTimerInfoList::activateTimers() (this=0x55af682a5708) at kernel/qtimerinfo_unix.cpp:643
#30 0x00007f12e1ed5272 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x55af683e1a90, flags=..., flags@entry=...) at kernel/qeventdispatcher_unix.cpp:516
#31 0x00007f12dbdddf83 in QXcbUnixEventDispatcher::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x55af683e1a90, flags=...) at /usr/src/debug/qtbase/src/plugins/platforms/xcb/qxcbeventdispatcher.cpp:60
#32 0x00007f12e1e8188b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7ffdffa7a750, flags=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69
#33 0x00007f12e1e8cfd7 in QCoreApplication::exec() () at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#34 0x00007f12e2257432 in QGuiApplication::exec() () at kernel/qguiapplication.cpp:1867
#35 0x00007f12e14b554a in QApplication::exec() () at kernel/qapplication.cpp:2829
#36 0x000055af67033e8c in main(int, char**) (argc=<optimized out>, argv=0x7ffdffa7aa18) at /usr/src/debug/kwin-5.24.4/src/main_x11.cpp:482
[Inferior 1 (process 140900) detached]

The reporter indicates this bug may be a duplicate of or related to bug 451612.

Possible duplicates by query: bug 452044, bug 451904, bug 451776, bug 451649, bug 451612.

Reported using DrKonqi