Application: kwin_x11 (5.22.1)

Qt Version: 5.15.3
Frameworks Version: 5.83.0
Operating System: Linux 5.8.0-55-generic x86_64
Windowing System: X11
Drkonqi Version: 5.22.1
Distribution: KDE neon User Edition 5.22

-- Information about the crash:
- What I was doing when the application crashed:

Started a wine launcher. Then Kwin crashed.

Computer had been sleeping before.

The crash does not seem to be reproducible.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault

[New LWP 2457]
[New LWP 2499]
[New LWP 2651]
[New LWP 6776]
[New LWP 11090]
[New LWP 14778]
[New LWP 28418]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x557b0388df60) at ../sysdeps/nptl/futex-internal.h:183
[Current thread is 1 (Thread 0x7fb61d28b340 (LWP 2444))]

Thread 8 (Thread 0x7fb5fffff700 (LWP 28418)):
#0  0x00007fb622c1fbf6 in __ppoll (fds=fds@entry=0x7fb5f40010f8, nfds=nfds@entry=1, timeout=<optimized out>, timeout@entry=0x0, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:44
#1  0x00007fb623287a39 in ppoll (__ss=<optimized out>, __timeout=<optimized out>, __nfds=<optimized out>, __fds=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/poll2.h:77
#2  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7fb5f40010f8) at kernel/qcore_unix.cpp:132
#3  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7fb5f40010f8) at kernel/qcore_unix.cpp:129
#4  qt_safe_poll (fds=0x7fb5f40010f8, nfds=1, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:155
#5  0x00007fb6232890e3 in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=...) at ../../include/QtCore/../../src/corelib/tools/qarraydata.h:211
#6  0x00007fb62322fdcb in QEventLoop::exec (this=this@entry=0x7fb5ffffece0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#7  0x00007fb623049bb2 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#8  0x00007fb62304ad4c in QThreadPrivate::start (arg=0x557b04f8b9c0) at thread/qthread_unix.cpp:329
#9  0x00007fb621744609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007fb622c2c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fb610e9e700 (LWP 14778)):
#0  0x00007fb622c1fbf6 in __ppoll (fds=fds@entry=0x557b037af7b8, nfds=nfds@entry=1, timeout=<optimized out>, timeout@entry=0x0, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:44
#1  0x00007fb623287a39 in ppoll (__ss=<optimized out>, __timeout=<optimized out>, __nfds=<optimized out>, __fds=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/poll2.h:77
#2  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x557b037af7b8) at kernel/qcore_unix.cpp:132
#3  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x557b037af7b8) at kernel/qcore_unix.cpp:129
#4  qt_safe_poll (fds=0x557b037af7b8, nfds=1, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:155
#5  0x00007fb6232890e3 in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=...) at ../../include/QtCore/../../src/corelib/tools/qarraydata.h:211
#6  0x00007fb62322fdcb in QEventLoop::exec (this=this@entry=0x7fb610e9dce0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#7  0x00007fb623049bb2 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#8  0x00007fb62304ad4c in QThreadPrivate::start (arg=0x557b02d57540) at thread/qthread_unix.cpp:329
#9  0x00007fb621744609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007fb622c2c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fb6135ef700 (LWP 11090)):
[KCrash Handler]
#4  0x00007fb62363ac48 in QScreen::handle (this=0x7fb614009110) at kernel/qscreen.cpp:182
#5  0x00007fb61c8469de in QXcbIntegration::createPlatformOpenGLContext (this=<optimized out>, context=0x557b02f63220) at qxcbintegration.cpp:277
#6  0x00007fb623658f01 in QOpenGLContext::create (this=0x557b02f63220) at ../../include/QtGui/5.15.3/QtGui/private/../../../../../src/gui/kernel/qguiapplication_p.h:110
#7  0x00007fb62203dcb8 in QSGRenderThread::sync (this=this@entry=0x557b0391cd30, inExpose=inExpose@entry=true, inGrab=inGrab@entry=false) at scenegraph/qsgthreadedrenderloop.cpp:620
#8  0x00007fb62203fd67 in QSGRenderThread::syncAndRender (this=0x557b0391cd30, grabImage=0x0) at scenegraph/qsgthreadedrenderloop.cpp:778
#9  0x00007fb622043f77 in QSGRenderThread::run (this=0x557b0391cd30) at scenegraph/qsgthreadedrenderloop.cpp:1043
#10 0x00007fb62304ad4c in QThreadPrivate::start (arg=0x557b0391cd30) at thread/qthread_unix.cpp:329
#11 0x00007fb621744609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#12 0x00007fb622c2c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fb611aba700 (LWP 6776)):
#0  0x00007fb622c1fbf6 in __ppoll (fds=fds@entry=0x7fb6040aeed8, nfds=nfds@entry=1, timeout=<optimized out>, timeout@entry=0x0, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:44
#1  0x00007fb623287a39 in ppoll (__ss=<optimized out>, __timeout=<optimized out>, __nfds=<optimized out>, __fds=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/poll2.h:77
#2  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7fb6040aeed8) at kernel/qcore_unix.cpp:132
#3  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7fb6040aeed8) at kernel/qcore_unix.cpp:129
#4  qt_safe_poll (fds=0x7fb6040aeed8, nfds=1, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:155
#5  0x00007fb6232890e3 in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=...) at ../../include/QtCore/../../src/corelib/tools/qarraydata.h:211
#6  0x00007fb62322fdcb in QEventLoop::exec (this=this@entry=0x7fb611ab9cc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#7  0x00007fb623049bb2 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#8  0x00007fb621cc7559 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007fb62304ad4c in QThreadPrivate::start (arg=0x557b0352c170) at thread/qthread_unix.cpp:329
#10 0x00007fb621744609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007fb622c2c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fb5f3bff700 (LWP 2651)):
#0  0x00007fb622c2212b in __GI___select (nfds=39, readfds=0x7fb5f3bfeca0, writefds=0x0, exceptfds=0x0, timeout=0x7fb5f3bfec90) at ../sysdeps/unix/sysv/linux/select.c:41
#1  0x00007fb619a4c991 in ?? () from /usr/lib/x86_64-linux-gnu/libnvidia-glcore.so.460.84
#2  0x00007fb619a4a47a in ?? () from /usr/lib/x86_64-linux-gnu/libnvidia-glcore.so.460.84
#3  0x00007fb621744609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#4  0x00007fb622c2c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fb612d46700 (LWP 2499)):
#0  0x00007fb622c1fbf6 in __ppoll (fds=fds@entry=0x7fb600000d78, nfds=nfds@entry=1, timeout=<optimized out>, timeout@entry=0x0, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:44
#1  0x00007fb623287a39 in ppoll (__ss=<optimized out>, __timeout=<optimized out>, __nfds=<optimized out>, __fds=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/poll2.h:77
#2  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7fb600000d78) at kernel/qcore_unix.cpp:132
#3  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7fb600000d78) at kernel/qcore_unix.cpp:129
#4  qt_safe_poll (fds=0x7fb600000d78, nfds=1, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:155
#5  0x00007fb6232890e3 in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=...) at ../../include/QtCore/../../src/corelib/tools/qarraydata.h:211
#6  0x00007fb62322fdcb in QEventLoop::exec (this=this@entry=0x7fb612d45cc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#7  0x00007fb623049bb2 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#8  0x00007fb621cc7559 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007fb62304ad4c in QThreadPrivate::start (arg=0x557b02c49f70) at thread/qthread_unix.cpp:329
#10 0x00007fb621744609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007fb622c2c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fb61b949700 (LWP 2457)):
#0  0x00007fb622c1fbf6 in __ppoll (fds=fds@entry=0x7fb60c007508, nfds=nfds@entry=1, timeout=<optimized out>, timeout@entry=0x0, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:44
#1  0x00007fb623287a39 in ppoll (__ss=<optimized out>, __timeout=<optimized out>, __nfds=<optimized out>, __fds=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/poll2.h:77
#2  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7fb60c007508) at kernel/qcore_unix.cpp:132
#3  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7fb60c007508) at kernel/qcore_unix.cpp:129
#4  qt_safe_poll (fds=0x7fb60c007508, nfds=1, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:155
#5  0x00007fb6232890e3 in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=...) at ../../include/QtCore/../../src/corelib/tools/qarraydata.h:211
#6  0x00007fb62322fdcb in QEventLoop::exec (this=this@entry=0x7fb61b948cb0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#7  0x00007fb623049bb2 in QThread::exec (this=this@entry=0x7fb622f79d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#8  0x00007fb622ef5f4b in QDBusConnectionManager::run (this=0x7fb622f79d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:179
#9  0x00007fb62304ad4c in QThreadPrivate::start (arg=0x7fb622f79d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:329
#10 0x00007fb621744609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007fb622c2c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fb61d28b340 (LWP 2444)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x557b0388df60) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x557b0388df10, cond=0x557b0388df38) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x557b0388df38, mutex=0x557b0388df10) at pthread_cond_wait.c:647
#3  0x00007fb623050ebb in QWaitConditionPrivate::wait (deadline=..., this=0x557b0388df10) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x557b0391cd88, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007fb622042137 in QSGThreadedRenderLoop::polishAndSync (this=this@entry=0x557b03d82620, w=w@entry=0x7fb6140165e0, inExpose=inExpose@entry=true) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  0x00007fb622043028 in QSGThreadedRenderLoop::handleExposure (this=0x557b03d82620, window=<optimized out>) at scenegraph/qsgthreadedrenderloop.cpp:1375
#7  0x00007fb622043a3b in QSGThreadedRenderLoop::exposureChanged (this=0x557b03d82620, window=0x557b03d894a0) at scenegraph/qsgthreadedrenderloop.cpp:1269
#8  0x00007fb62361ee1d in QWindow::event (this=this@entry=0x557b03d894a0, ev=ev@entry=0x7ffd46eecef0) at kernel/qwindow.cpp:2438
#9  0x00007fb6220ade9b in QQuickWindow::event (this=0x557b03d894a0, e=0x7ffd46eecef0) at items/qquickwindow.cpp:1902
#10 0x00007fb5fe405473 in PlasmaQuick::Dialog::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#11 0x00007fb623d33dc3 in QApplicationPrivate::notify_helper (this=this@entry=0x557b02c2d300, receiver=receiver@entry=0x557b03d894a0, e=e@entry=0x7ffd46eecef0) at kernel/qapplication.cpp:3632
#12 0x00007fb623d3cbb8 in QApplication::notify (this=0x7ffd46eed170, receiver=0x557b03d894a0, e=0x7ffd46eecef0) at kernel/qapplication.cpp:3156
#13 0x00007fb6232312ca in QCoreApplication::notifyInternal2 (receiver=0x557b03d894a0, event=0x7ffd46eecef0) at ../../include/QtCore/5.15.3/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#14 0x00007fb623614823 in QGuiApplicationPrivate::processExposeEvent (e=0x557b03bebff0) at kernel/qguiapplication.cpp:3258
#15 0x00007fb623614a5b in QGuiApplicationPrivate::processWindowSystemEvent (e=0x557b03bebff0) at kernel/qguiapplication.cpp:2070
#16 0x00007fb6235ec7ac in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:1169
#17 0x00007fb61c86f277 in QXcbUnixEventDispatcher::processEvents (this=0x557b02d514a0, flags=...) at qxcbeventdispatcher.cpp:63
#18 0x00007fb62322fdcb in QEventLoop::exec (this=this@entry=0x7ffd46eed090, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#19 0x00007fb623237f84 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#20 0x0000557b01bf9a6d in ?? ()
#21 0x00007fb622b310b3 in __libc_start_main (main=0x557b01bf96a0, argc=1, argv=0x7ffd46eed328, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd46eed318) at ../csu/libc-start.c:308
#22 0x0000557b01bfa01e in ?? ()
[Inferior 1 (process 2444) detached]

Reported using DrKonqi