Application: KWin (kwin_x11), signal: Segmentation fault Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [Current thread is 1 (Thread 0x7f41d09fb880 (LWP 2051))] Thread 9 (Thread 0x7f412af16700 (LWP 3688)): #0 0x00007f41d6447916 in futex_reltimed_wait_cancelable (private=, reltime=0x7f412af15b90, expected=0, futex_word=0x5652851d3de0) at ../sysdeps/unix/sysv/linux/futex-internal.h:142 #1 0x00007f41d6447916 in __pthread_cond_wait_common (abstime=0x7f412af15c40, mutex=0x5652851d3d90, cond=0x5652851d3db8) at pthread_cond_wait.c:533 #2 0x00007f41d6447916 in __pthread_cond_timedwait (cond=0x5652851d3db8, mutex=0x5652851d3d90, abstime=0x7f412af15c40) at pthread_cond_wait.c:667 #3 0x00007f41d72a76b5 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f41d72a77e6 in QWaitCondition::wait(QMutex*, unsigned long) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f41d72a4de1 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f41d72a1612 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f41d6441182 in start_thread (arg=) at pthread_create.c:486 #8 0x00007f41d8945b1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 8 (Thread 0x7f412b717700 (LWP 3687)): #0 0x00007f41d6447916 in futex_reltimed_wait_cancelable (private=, reltime=0x7f412b716b90, expected=0, futex_word=0x565284b4e564) at ../sysdeps/unix/sysv/linux/futex-internal.h:142 #1 0x00007f41d6447916 in __pthread_cond_wait_common (abstime=0x7f412b716c40, mutex=0x565284b4e510, cond=0x565284b4e538) at pthread_cond_wait.c:533 #2 0x00007f41d6447916 in __pthread_cond_timedwait (cond=0x565284b4e538, mutex=0x565284b4e510, abstime=0x7f412b716c40) at pthread_cond_wait.c:667 #3 0x00007f41d72a76b5 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f41d72a77e6 in QWaitCondition::wait(QMutex*, unsigned long) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f41d72a4de1 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f41d72a1612 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f41d6441182 in start_thread (arg=) at pthread_create.c:486 #8 0x00007f41d8945b1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 7 (Thread 0x7f412bf18700 (LWP 3686)): #0 0x00007f41d8939826 in __GI_ppoll (fds=0x5652852c3228, nfds=1, timeout=, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39 #1 0x00007f41d74a6041 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007f41d74a74b9 in QEventDispatcherUNIX::processEvents(QFlags) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #3 0x00007f41d74555bb in QEventLoop::exec(QFlags) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f41d72a02c6 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f41d72a1612 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f41d6441182 in start_thread (arg=) at pthread_create.c:486 #7 0x00007f41d8945b1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 6 (Thread 0x7f41c7fff700 (LWP 3685)): #0 0x00007f41d64473bb in futex_wait_cancelable (private=, expected=0, futex_word=0x56528509b940) at ../sysdeps/unix/sysv/linux/futex-internal.h:88 #1 0x00007f41d64473bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x56528509b8f0, cond=0x56528509b918) at pthread_cond_wait.c:502 #2 0x00007f41d64473bb in __pthread_cond_wait (cond=0x56528509b918, mutex=0x56528509b8f0) at pthread_cond_wait.c:655 #3 0x00007f41d72a7733 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f41d72a7819 in QWaitCondition::wait(QMutex*, unsigned long) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f41d5f845d9 in () at /lib/x86_64-linux-gnu/libQt5Quick.so.5 #6 0x00007f41d5f8483a in () at /lib/x86_64-linux-gnu/libQt5Quick.so.5 #7 0x00007f41d72a1612 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f41d6441182 in start_thread (arg=) at pthread_create.c:486 #9 0x00007f41d8945b1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 5 (Thread 0x7f41b9953700 (LWP 2062)): #0 0x00007f41d64473bb in futex_wait_cancelable (private=, expected=0, futex_word=0x7f41d6e37fb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88 #1 0x00007f41d64473bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f41d6e37f68, cond=0x7f41d6e37f90) at pthread_cond_wait.c:502 #2 0x00007f41d64473bb in __pthread_cond_wait (cond=0x7f41d6e37f90, mutex=0x7f41d6e37f68) at pthread_cond_wait.c:655 #3 0x00007f41d6d41eca in () at /lib/x86_64-linux-gnu/libQt5Script.so.5 #4 0x00007f41d6d41ee9 in () at /lib/x86_64-linux-gnu/libQt5Script.so.5 #5 0x00007f41d6441182 in start_thread (arg=) at pthread_create.c:486 #6 0x00007f41d8945b1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7f41c4932700 (LWP 2060)): #0 0x00007f41d8939826 in __GI_ppoll (fds=0x7f41b0000d28, nfds=1, timeout=, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39 #1 0x00007f41d74a6041 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007f41d74a74b9 in QEventDispatcherUNIX::processEvents(QFlags) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #3 0x00007f41d74555bb in QEventLoop::exec(QFlags) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f41d72a02c6 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f41d5bfdef5 in () at /lib/x86_64-linux-gnu/libQt5Qml.so.5 #6 0x00007f41d72a1612 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f41d6441182 in start_thread (arg=) at pthread_create.c:486 #8 0x00007f41d8945b1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7f41c77fe700 (LWP 2059)): #0 0x00007f41d8939826 in __GI_ppoll (fds=0x7f41b4000d28, nfds=1, timeout=, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39 #1 0x00007f41d74a6041 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007f41d74a74b9 in QEventDispatcherUNIX::processEvents(QFlags) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #3 0x00007f41d74555bb in QEventLoop::exec(QFlags) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f41d72a02c6 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f41d5bfdef5 in () at /lib/x86_64-linux-gnu/libQt5Qml.so.5 #6 0x00007f41d72a1612 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f41d6441182 in start_thread (arg=) at pthread_create.c:486 #8 0x00007f41d8945b1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7f41cd720700 (LWP 2056)): #0 0x00007f41d8939826 in __GI_ppoll (fds=0x7f41c000e4e8, nfds=1, timeout=, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39 #1 0x00007f41d74a6041 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007f41d74a74b9 in QEventDispatcherUNIX::processEvents(QFlags) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #3 0x00007f41d74555bb in QEventLoop::exec(QFlags) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f41d72a02c6 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f41d565a565 in () at /lib/x86_64-linux-gnu/libQt5DBus.so.5 #6 0x00007f41d72a1612 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f41d6441182 in start_thread (arg=) at pthread_create.c:486 #8 0x00007f41d8945b1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7f41d09fb880 (LWP 2051)): [KCrash Handler] #6 0x00007f412ef2c7c1 in KWin::SceneOpenGLShadow::prepareBackend() () at /usr/lib/x86_64-linux-gnu/qt5/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so #7 0x00007f41d862b8ca in KWin::Shadow::init(QVector const&) () at /lib/x86_64-linux-gnu/libkwin.so.5 #8 0x00007f41d862bcb1 in KWin::Shadow::createShadowFromX11(KWin::Toplevel*) () at /lib/x86_64-linux-gnu/libkwin.so.5 #9 0x00007f41d862c813 in KWin::Shadow::createShadow(KWin::Toplevel*) () at /lib/x86_64-linux-gnu/libkwin.so.5 #10 0x00007f41d86796a5 in KWin::Toplevel::getShadow() () at /lib/x86_64-linux-gnu/libkwin.so.5 #11 0x00007f41d867e776 in KWin::Scene::addToplevel(KWin::Toplevel*) () at /lib/x86_64-linux-gnu/libkwin.so.5 #12 0x00007f41d8671466 in KWin::Toplevel::setupCompositing() () at /lib/x86_64-linux-gnu/libkwin.so.5 #13 0x00007f41d8671e2d in KWin::Client::setupCompositing() () at /lib/x86_64-linux-gnu/libkwin.so.5 #14 0x00007f41d8673e9f in KWin::Compositor::startupWithWorkspace() () at /lib/x86_64-linux-gnu/libkwin.so.5 #15 0x00007f41d8674b12 in KWin::Compositor::slotCompositingOptionsInitialized() () at /lib/x86_64-linux-gnu/libkwin.so.5 #16 0x00007f41d86758fb in KWin::Compositor::setup() () at /lib/x86_64-linux-gnu/libkwin.so.5 #17 0x00007f41d86766ed in KWin::Compositor::slotReinitialize() () at /lib/x86_64-linux-gnu/libkwin.so.5 #18 0x00007f41d876c253 in KWin::Compositor::qt_metacall(QMetaObject::Call, int, void**) () at /lib/x86_64-linux-gnu/libkwin.so.5 #19 0x00007f41d5665dba in () at /lib/x86_64-linux-gnu/libQt5DBus.so.5 #20 0x00007f41d7480ca2 in QObject::event(QEvent*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #21 0x00007f41d7e1e551 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5 #22 0x00007f41d7e25930 in QApplication::notify(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5 #23 0x00007f41d74568e9 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #24 0x00007f41d7459927 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #25 0x00007f41d74a732b in QEventDispatcherUNIX::processEvents(QFlags) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #26 0x00007f41d0346a0e in () at /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5 #27 0x00007f41d74555bb in QEventLoop::exec(QFlags) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #28 0x00007f41d745d5e2 in QCoreApplication::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #29 0x00007f41d8a1cdf8 in kdemain () at /lib/x86_64-linux-gnu/libkdeinit5_kwin_x11.so #30 0x0000565283a24177 in main () [Inferior 1 (process 2051) detached]