Application: kwin_wayland (6.4.4) ApplicationNotResponding [ANR]: false Qt Version: 6.9.2 Frameworks Version: 6.17.0 Operating System: Linux 6.16.4-arch1-1 x86_64 Windowing System: Wayland Distribution: "Arch Linux" DrKonqi: 6.4.4 [CoredumpBackend] -- Information about the crash: KWin crashed when switching between windows, I think it was Firefox (in focus) and IntelliJ (switching to it). The screen froze, turned black and then KWin restarted. The reporter is unsure if this crash is reproducible. -- Backtrace (Reduced): #5 std::__atomic_base<int>::fetch_sub (this=<optimized out>, __i=<optimized out>, __m=<optimized out>, this=<optimized out>, __i=<optimized out>, __m=<optimized out>) at /usr/include/c++/15.2.1/bits/atomic_base.h:639 #6 QAtomicOps<int>::deref<int> (_q_value=..., _q_value=...) at /usr/include/qt6/QtCore/qatomic_cxx11.h:266 [...] #8 QQmlRefCounted<QV4::ExecutableCompilationUnit>::release (this=0x7fd4f23089c0 <vtable for QQuickAccessibleAttached+24>) at /usr/src/debug/qt6-declarative/qtdeclarative/src/qml/qml/ftw/qqmlrefcount_p.h:152 #9 QV4::Heap::JavaScriptFunctionObject::destroy (this=<optimized out>) at /usr/src/debug/qt6-declarative/qtdeclarative/src/qml/jsruntime/qv4functionobject.cpp:75 #10 QV4::JavaScriptFunctionObject::virtualDestroy (b=<optimized out>) at /usr/src/debug/qt6-declarative/qtdeclarative/src/qml/jsruntime/qv4functionobject_p.h:241 #11 0x00007fd4f1868237 in QV4::Chunk::sweep (this=0x7fd4ca4b0000, engine=0x55d897c8aba0) at /usr/src/debug/qt6-declarative/qtdeclarative/src/qml/memory/qv4mm.cpp:308 #12 0x00007fd4f18699f2 in operator() (__closure=<synthetic pointer>, c=<optimized out>) at /usr/src/debug/qt6-declarative/qtdeclarative/src/qml/memory/qv4mm.cpp:565 #15 QV4::BlockAllocator::sweep (this=0x55d897278700) at /usr/src/debug/qt6-declarative/qtdeclarative/src/qml/memory/qv4mm.cpp:564 #17 0x00007fd4f187717a in QV4::GCStateMachine::transition (this=0x55d897d1aaf0) at /usr/src/debug/qt6-declarative/qtdeclarative/src/qml/memory/qv4mm.cpp:1552 #18 0x00007fd4efbc1a74 in QObject::event (this=<optimized out>, e=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobject.cpp:1432 #19 0x00007fd4f0f01dd0 in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x55d897da2890, e=0x55d8d38ac6e0) at /usr/src/debug/qt6-base/qtbase/src/widgets/kernel/qapplication.cpp:3300 #20 0x00007fd4efb68678 in QCoreApplication::notifyInternal2 (receiver=0x55d897da2890, event=event@entry=0x55d8d38ac6e0) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1106 #21 0x00007fd4efb68a5b in QCoreApplication::sendEvent (receiver=<optimized out>, event=0x55d8d38ac6e0) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1546 #22 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x55d896d88740) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1891 #23 0x00007fd4efd29327 in QEventDispatcherUNIX::processEvents (this=0x55d896da7290, flags=flags@entry=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventdispatcher_unix.cpp:440 #24 0x00007fd4f091b073 in QUnixEventDispatcherQPA::processEvents (this=<optimized out>, flags=...) at /usr/src/debug/qt6-base/qtbase/src/gui/platform/unix/qunixeventdispatcher.cpp:27 Reported using DrKonqi
Created attachment 184847 [details] New crash information added by DrKonqi DrKonqi auto-attaching complete backtrace.
Full searchable backtrace [KCrash Handler] #5 std::__atomic_base<int>::fetch_sub (this=<optimized out>, __i=<optimized out>, __m=<optimized out>, this=<optimized out>, __i=<optimized out>, __m=<optimized out>) at /usr/include/c++/15.2.1/bits/atomic_base.h:639 #6 QAtomicOps<int>::deref<int> (_q_value=..., _q_value=...) at /usr/include/qt6/QtCore/qatomic_cxx11.h:266 #7 QBasicAtomicInteger<int>::deref (this=<optimized out>, this=<optimized out>) at /usr/include/qt6/QtCore/qbasicatomic.h:48 #8 QQmlRefCounted<QV4::ExecutableCompilationUnit>::release (this=0x7fd4f23089c0 <vtable for QQuickAccessibleAttached+24>) at /usr/src/debug/qt6-declarative/qtdeclarative/src/qml/qml/ftw/qqmlrefcount_p.h:152 #9 QV4::Heap::JavaScriptFunctionObject::destroy (this=<optimized out>) at /usr/src/debug/qt6-declarative/qtdeclarative/src/qml/jsruntime/qv4functionobject.cpp:75 #10 QV4::JavaScriptFunctionObject::virtualDestroy (b=<optimized out>) at /usr/src/debug/qt6-declarative/qtdeclarative/src/qml/jsruntime/qv4functionobject_p.h:241 #11 0x00007fd4f1868237 in QV4::Chunk::sweep (this=0x7fd4ca4b0000, engine=0x55d897c8aba0) at /usr/src/debug/qt6-declarative/qtdeclarative/src/qml/memory/qv4mm.cpp:308 #12 0x00007fd4f18699f2 in operator() (__closure=<synthetic pointer>, c=<optimized out>) at /usr/src/debug/qt6-declarative/qtdeclarative/src/qml/memory/qv4mm.cpp:565 #13 std::__partition<__gnu_cxx::__normal_iterator<QV4::Chunk**, std::vector<QV4::Chunk*> >, QV4::BlockAllocator::sweep()::<lambda(QV4::Chunk*)> > (__first=0x7fd4ca4b0000, __last=0x7fd4ca630000, __pred=...) at /usr/include/c++/15.2.1/bits/stl_algo.h:1422 #14 std::partition<__gnu_cxx::__normal_iterator<QV4::Chunk**, std::vector<QV4::Chunk*> >, QV4::BlockAllocator::sweep()::<lambda(QV4::Chunk*)> > (__first=..., __last=..., __pred=...) at /usr/include/c++/15.2.1/bits/stl_algo.h:4652 #15 QV4::BlockAllocator::sweep (this=0x55d897278700) at /usr/src/debug/qt6-declarative/qtdeclarative/src/qml/memory/qv4mm.cpp:564 #16 0x00007fd4f187c93a in QV4::(anonymous namespace)::doSweep (that=0x55d897d1aaf0) at /usr/src/debug/qt6-declarative/qtdeclarative/src/qml/memory/qv4mm.cpp:878 #17 0x00007fd4f187717a in QV4::GCStateMachine::transition (this=0x55d897d1aaf0) at /usr/src/debug/qt6-declarative/qtdeclarative/src/qml/memory/qv4mm.cpp:1552 #18 0x00007fd4efbc1a74 in QObject::event (this=<optimized out>, e=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobject.cpp:1432 #19 0x00007fd4f0f01dd0 in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x55d897da2890, e=0x55d8d38ac6e0) at /usr/src/debug/qt6-base/qtbase/src/widgets/kernel/qapplication.cpp:3300 #20 0x00007fd4efb68678 in QCoreApplication::notifyInternal2 (receiver=0x55d897da2890, event=event@entry=0x55d8d38ac6e0) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1106 #21 0x00007fd4efb68a5b in QCoreApplication::sendEvent (receiver=<optimized out>, event=0x55d8d38ac6e0) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1546 #22 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x55d896d88740) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1891 #23 0x00007fd4efd29327 in QEventDispatcherUNIX::processEvents (this=0x55d896da7290, flags=flags@entry=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventdispatcher_unix.cpp:440 #24 0x00007fd4f091b073 in QUnixEventDispatcherQPA::processEvents (this=<optimized out>, flags=...) at /usr/src/debug/qt6-base/qtbase/src/gui/platform/unix/qunixeventdispatcher.cpp:27 #25 0x00007fd4efb74ca6 in QEventLoop::processEvents (this=0x7ffea1b03f90, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventloop.cpp:104 #26 QEventLoop::exec (this=0x7ffea1b03f90, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventloop.cpp:186 #27 0x00007fd4efb6cd21 in QCoreApplication::exec () at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1449 #28 0x00007fd4f0efc5ea in QApplication::exec () at /usr/src/debug/qt6-base/qtbase/src/widgets/kernel/qapplication.cpp:2567 #29 0x000055d865583d26 in main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/kwin/kwin-6.4.4/src/main_wayland.cpp:635