Application: KWin (kwin_x11), signal: Segmentation fault Using host libthread_db library "/lib64/libthread_db.so.1". [Current thread is 1 (Thread 0x7ff156d02940 (LWP 5143))] Thread 6 (Thread 0x7ff13a170700 (LWP 5604)): #0 0x00007ff1651f2e86 in ppoll () at /lib64/libc.so.6 #1 0x00007ff16600d065 in ppoll (__ss=, __timeout=, __nfds=, __fds=) at /usr/include/bits/poll2.h:77 #2 0x00007ff16600d065 in qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7ff128000b68) at kernel/qcore_unix.cpp:81 #3 0x00007ff16600d065 in qt_safe_poll(pollfd*, unsigned long, timespec const*) (fds=0x7ff128000b68, nfds=nfds@entry=1, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:102 #4 0x00007ff16600e55d in QEventDispatcherUNIX::processEvents(QFlags) (this=, flags=...) at kernel/qeventdispatcher_unix.cpp:500 #5 0x00007ff165fc0b8a in QEventLoop::exec(QFlags) (this=this@entry=0x7ff13a16fc50, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212 #6 0x00007ff165e15efa in QThread::exec() (this=this@entry=0x55726c99fa20) at thread/qthread.cpp:507 #7 0x00007ff16c93b9b5 in QQmlThreadPrivate::run() (this=0x55726c99fa20) at qml/ftw/qqmlthread.cpp:147 #8 0x00007ff165e1a1ee in QThreadPrivate::start(void*) (arg=0x55726c99fa20) at thread/qthread_unix.cpp:368 #9 0x00007ff16801736d in start_thread () at /lib64/libpthread.so.0 #10 0x00007ff1651fee9f in clone () at /lib64/libc.so.6 Thread 5 (Thread 0x7ff13996f700 (LWP 5421)): #0 0x00007ff16801d81b in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0 #1 0x00007ff16d6e6534 in QTWTF::TCMalloc_PageHeap::scavengerThread() (this=0x7ff16d7d3380 ) at /usr/src/debug/qtscript-opensource-src-5.7.1/src/3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359 #2 0x00007ff16d6e6579 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*) (context=) at /usr/src/debug/qtscript-opensource-src-5.7.1/src/3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464 #3 0x00007ff16801736d in start_thread () at /lib64/libpthread.so.0 #4 0x00007ff1651fee9f in clone () at /lib64/libc.so.6 Thread 4 (Thread 0x7ff146d9d700 (LWP 5340)): #0 0x00007ff1651f2e86 in ppoll () at /lib64/libc.so.6 #1 0x00007ff16600d065 in ppoll (__ss=, __timeout=, __nfds=, __fds=) at /usr/include/bits/poll2.h:77 #2 0x00007ff16600d065 in qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7ff134000ac8) at kernel/qcore_unix.cpp:81 #3 0x00007ff16600d065 in qt_safe_poll(pollfd*, unsigned long, timespec const*) (fds=0x7ff134000ac8, nfds=nfds@entry=1, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:102 #4 0x00007ff16600e55d in QEventDispatcherUNIX::processEvents(QFlags) (this=, flags=...) at kernel/qeventdispatcher_unix.cpp:500 #5 0x00007ff165fc0b8a in QEventLoop::exec(QFlags) (this=this@entry=0x7ff146d9cc50, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212 #6 0x00007ff165e15efa in QThread::exec() (this=this@entry=0x55726cacad40) at thread/qthread.cpp:507 #7 0x00007ff16c93b9b5 in QQmlThreadPrivate::run() (this=0x55726cacad40) at qml/ftw/qqmlthread.cpp:147 #8 0x00007ff165e1a1ee in QThreadPrivate::start(void*) (arg=0x55726cacad40) at thread/qthread_unix.cpp:368 #9 0x00007ff16801736d in start_thread () at /lib64/libpthread.so.0 #10 0x00007ff1651fee9f in clone () at /lib64/libc.so.6 Thread 3 (Thread 0x7ff14d864700 (LWP 5215)): #0 0x00007ff1651f2e86 in ppoll () at /lib64/libc.so.6 #1 0x00007ff16600d065 in ppoll (__ss=, __timeout=, __nfds=, __fds=) at /usr/include/bits/poll2.h:77 #2 0x00007ff16600d065 in qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7ff14000ad68) at kernel/qcore_unix.cpp:81 #3 0x00007ff16600d065 in qt_safe_poll(pollfd*, unsigned long, timespec const*) (fds=0x7ff14000ad68, nfds=nfds@entry=1, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:102 #4 0x00007ff16600e55d in QEventDispatcherUNIX::processEvents(QFlags) (this=, flags=...) at kernel/qeventdispatcher_unix.cpp:500 #5 0x00007ff165fc0b8a in QEventLoop::exec(QFlags) (this=this@entry=0x7ff14d863c30, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212 #6 0x00007ff165e15efa in QThread::exec() (this=this@entry=0x7ff16a840060 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:507 #7 0x00007ff16a7c3709 in QDBusConnectionManager::run() (this=0x7ff16a840060 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:178 #8 0x00007ff165e1a1ee in QThreadPrivate::start(void*) (arg=0x7ff16a840060 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:368 #9 0x00007ff16801736d in start_thread () at /lib64/libpthread.so.0 #10 0x00007ff1651fee9f in clone () at /lib64/libc.so.6 Thread 2 (Thread 0x7ff14f16c700 (LWP 5189)): #0 0x00007ff1651f2dad in poll () at /lib64/libc.so.6 #1 0x00007ff16771ac97 in _xcb_conn_wait () at /lib64/libxcb.so.1 #2 0x00007ff16771ca8a in xcb_wait_for_event () at /lib64/libxcb.so.1 #3 0x00007ff15004fb99 in QXcbEventReader::run() (this=0x55726c7d2650) at qxcbconnection.cpp:1343 #4 0x00007ff165e1a1ee in QThreadPrivate::start(void*) (arg=0x55726c7d2650) at thread/qthread_unix.cpp:368 #5 0x00007ff16801736d in start_thread () at /lib64/libpthread.so.0 #6 0x00007ff1651fee9f in clone () at /lib64/libc.so.6 Thread 1 (Thread 0x7ff156d02940 (LWP 5143)): [KCrash Handler] #6 0x0000000040d72f3b in () #7 0x00007ff13b3be074 in () at /lib64/libnvidia-glcore.so.381.22 #8 0x00007ff13b3c3348 in () at /lib64/libnvidia-glcore.so.381.22 #9 0x00007ff13af90938 in () at /lib64/libnvidia-glcore.so.381.22 #10 0x00007ff1665975f6 in QOpenGLFunctions::glDrawArrays(unsigned int, int, int) (count=4, first=0, mode=6, this=0x55726d56c7a0) at ../../src/gui/opengl/qopenglfunctions.h:741 #11 0x00007ff1665975f6 in QOpenGLTextureGlyphCache::resizeTextureData(int, int) (this=0x55726ddf5210, width=, height=) at opengl/qopengltextureglyphcache.cpp:392 #12 0x00007ff16653b99c in QTextureGlyphCache::resizeCache(int, int) (height=, width=, this=0x55726ddf5210) at painting/qtextureglyphcache_p.h:130 #13 0x00007ff16653b99c in QTextureGlyphCache::fillInPendingGlyphs() (this=0x55726ddf5210) at painting/qtextureglyphcache.cpp:247 #14 0x00007ff16cdea74f in QSGTextMaskMaterial::populate(QPointF const&, QVector const&, QVector const&, QSGGeometry*, QRectF*, QPointF*, QMargins const&) (this=this@entry=0x55726d892820, p=..., glyphIndexes=..., glyphPositions=..., geometry=geometry@entry=0x55726dea54f0, boundingRect=boundingRect@entry=0x7ffd51e5db80, baseLine=, margins=...) at scenegraph/qsgdefaultglyphnode_p.cpp:474 #15 0x00007ff16cde8720 in QSGDefaultGlyphNode::update() (this=0x55726dea53e0) at scenegraph/qsgdefaultglyphnode.cpp:126 #16 0x00007ff16ce6d6a7 in QQuickTextNode::addGlyphs(QPointF const&, QGlyphRun const&, QColor const&, QQuickText::TextStyle, QColor const&, QSGNode*) (this=this@entry=0x55726e295ff0, position=..., glyphs=..., color=..., style=style@entry=QQuickText::Normal, styleColor=..., parentNode=0x0) at items/qquicktextnode.cpp:115 #17 0x00007ff16ce72364 in QQuickTextNodeEngine::addToSceneGraph(QQuickTextNode*, QQuickText::TextStyle, QColor const&) (this=this@entry=0x7ffd51e5ddd0, parentNode=parentNode@entry=0x55726e295ff0, style=style@entry=QQuickText::Normal, styleColor=...) at items/qquicktextnodeengine.cpp:777 #18 0x00007ff16ce6e662 in QQuickTextNode::addTextLayout(QPointF const&, QTextLayout*, QColor const&, QQuickText::TextStyle, QColor const&, QColor const&, QColor const&, QColor const&, int, int, int, int) (this=this@entry=0x55726e295ff0, position=..., textLayout=textLayout@entry=0x55726dd45cd8, color=..., style=QQuickText::Normal, styleColor=..., anchorColor=..., selectionColor=..., selectedTextColor=..., selectionStart=-1, selectionEnd=-1, lineStart=0, lineCount=1) at items/qquicktextnode.cpp:273 #19 0x00007ff16ce6d0c4 in QQuickText::updatePaintNode(QSGNode*, QQuickItem::UpdatePaintNodeData*) (this=0x55726e079e00, oldNode=, data=) at items/qquicktext.cpp:2300 #20 0x00007ff16ce2c068 in QQuickWindowPrivate::updateDirtyNode(QQuickItem*) (this=this@entry=0x55726de629d0, item=item@entry=0x55726e079e00) at items/qquickwindow.cpp:3121 #21 0x00007ff16ce2ca13 in QQuickWindowPrivate::updateDirtyNodes() (this=this@entry=0x55726de629d0) at items/qquickwindow.cpp:2866 #22 0x00007ff16ce2dbb0 in QQuickWindowPrivate::syncSceneGraph() (this=0x55726de629d0) at items/qquickwindow.cpp:419 #23 0x00007ff16cf0efaa in QQuickRenderControl::sync() (this=) at items/qquickrendercontrol.cpp:272 #24 0x00007ff146fd8ae2 in QtPrivate::QFunctorSlotObject, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*) () at /usr/lib64/qt5/plugins/org.kde.kdecoration2/kwin5_aurorae.so #25 0x00007ff165fe94b7 in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7ffd51e60640, r=0x55726e082a80, this=0x55726da94e50) at ../../src/corelib/kernel/qobject_impl.h:101 #26 0x00007ff165fe94b7 in QMetaObject::activate(QObject*, int, int, void**) (sender=sender@entry=0x55726df108d0, signalOffset=, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3723 #27 0x00007ff165fe9977 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x55726df108d0, m=m@entry=0x7ff1661fee20 , local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3602 #28 0x00007ff166059e40 in QTimer::timeout(QTimer::QPrivateSignal) (this=this@entry=0x55726df108d0) at .moc/moc_qtimer.cpp:198 #29 0x00007ff165ff5568 in QTimer::timerEvent(QTimerEvent*) (this=0x55726df108d0, e=) at kernel/qtimer.cpp:254 #30 0x00007ff165fea14b in QObject::event(QEvent*) (this=0x55726df108d0, e=) at kernel/qobject.cpp:1285 #31 0x00007ff166814d9c in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x55726c7b8370, receiver=receiver@entry=0x55726df108d0, e=e@entry=0x7ffd51e60950) at kernel/qapplication.cpp:3799 #32 0x00007ff16681c3d4 in QApplication::notify(QObject*, QEvent*) (this=0x7ffd51e60bd0, receiver=0x55726df108d0, e=0x7ffd51e60950) at kernel/qapplication.cpp:3556 #33 0x00007ff165fc1b8b in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x55726df108d0, event=event@entry=0x7ffd51e60950) at kernel/qcoreapplication.cpp:988 #34 0x00007ff16601032b in QCoreApplication::sendEvent(QObject*, QEvent*) (event=0x7ffd51e60950, receiver=) at ../../src/corelib/kernel/qcoreapplication.h:231 #35 0x00007ff16601032b in QTimerInfoList::activateTimers() (this=this@entry=0x55726c818ee0) at kernel/qtimerinfo_unix.cpp:644 #36 0x00007ff16600d5ac in QEventDispatcherUNIXPrivate::activateTimers() (this=this@entry=0x55726c818e40) at kernel/qeventdispatcher_unix.cpp:249 #37 0x00007ff16600e6c8 in QEventDispatcherUNIX::processEvents(QFlags) (this=, flags=...) at kernel/qeventdispatcher_unix.cpp:514 #38 0x00007ff1500c9d7d in QUnixEventDispatcherQPA::processEvents(QFlags) (this=, flags=...) at eventdispatchers/qunixeventdispatcher.cpp:68 #39 0x00007ff165fc0b8a in QEventLoop::exec(QFlags) (this=this@entry=0x7ffd51e60af0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212 #40 0x00007ff165fc87dc in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1261 #41 0x00007ff16e469c27 in kdemain () at /lib64/libkdeinit5_kwin_x11.so #42 0x00007ff16510e4da in __libc_start_main () at /lib64/libc.so.6 #43 0x000055726baf9c6a in _start ()