Application: kwin_x11 (5.12.6)

Qt Version: 5.9.5
Frameworks Version: 5.44.0
Operating System: Linux 4.15.0-36-generic x86_64
Distribution: Ubuntu 18.04.1 LTS

-- Information about the crash:
reinicio de aplicacion kwin en ambiente de trabajo normal, proceso de reinición al navegar por pestañas de dolphin.

The crash can be reproduced sometimes.

-- Backtrace:
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 0x7f5f189dad00 (LWP 1152))]

Thread 5 (Thread 0x7f5ef0fec700 (LWP 4037)):
#0  0x00007f5f18332cf6 in __GI_ppoll (fds=0x7f5ed80041e8, nfds=1, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1  0x00007f5f157345c1 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f5f15735cde in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f5f156dd9ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f5f154fc22a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f5f0fe856f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007f5f1550116d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f5f113996db in start_thread (arg=0x7f5ef0fec700) at pthread_create.c:463
#8  0x00007f5f1833f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f5edffff700 (LWP 1266)):
#0  0x00007f5f1139f9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f5f14936fb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f5f1139f9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f5f14936f68, cond=0x7f5f14936f90) at pthread_cond_wait.c:502
#2  0x00007f5f1139f9f3 in __pthread_cond_wait (cond=0x7f5f14936f90, mutex=0x7f5f14936f68) at pthread_cond_wait.c:655
#3  0x00007f5f146405f4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007f5f14640639 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007f5f113996db in start_thread (arg=0x7f5edffff700) at pthread_create.c:463
#6  0x00007f5f1833f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f5ef2dee700 (LWP 1213)):
#0  0x00007fff4c5dcb62 in clock_gettime ()
#1  0x00007f5f1834eea6 in __GI___clock_gettime (clock_id=1, tp=0x7f5ef2dedb50) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f5f15738221 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f5f15736a59 in QTimerInfoList::updateCurrentTime() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f5f15737035 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f5f15735fe4 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f5f156dd9ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f5f154fc22a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f5f0fe856f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f5f1550116d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f5f113996db in start_thread (arg=0x7f5ef2dee700) at pthread_create.c:463
#11 0x00007f5f1833f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f5ef9a15700 (LWP 1176)):
#0  0x00007f5f18332cf6 in __GI_ppoll (fds=0x7f5eec00aff8, nfds=1, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1  0x00007f5f157345c1 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f5f15735cde in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f5f156dd9ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f5f154fc22a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f5f0ed5ed45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#6  0x00007f5f1550116d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f5f113996db in start_thread (arg=0x7f5ef9a15700) at pthread_create.c:463
#8  0x00007f5f1833f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f5f189dad00 (LWP 1152)):
[KCrash Handler]
#6  0x000000004191498f in  ()
#7  0x00007f5f065cd2d0 in  () at /usr/lib/x86_64-linux-gnu/libnvidia-glcore.so.340.107
#8  0x00007f5f065d4360 in  () at /usr/lib/x86_64-linux-gnu/libnvidia-glcore.so.340.107
#9  0x00007f5f06241378 in  () at /usr/lib/x86_64-linux-gnu/libnvidia-glcore.so.340.107
#10 0x00007f5f15fec0b5 in QOpenGLTextureGlyphCache::resizeTextureData(int, int) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#11 0x00007f5f15f709da in QTextureGlyphCache::fillInPendingGlyphs() () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#12 0x00007f5f1055cc56 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#13 0x00007f5f10559949 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00007f5f10608158 in QQuickTextNode::addGlyphs(QPointF const&, QGlyphRun const&, QColor const&, QQuickText::TextStyle, QColor const&, QSGNode*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#15 0x00007f5f1060d264 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#16 0x00007f5f106090ba in QQuickTextNode::addTextLayout(QPointF const&, QTextLayout*, QColor const&, QQuickText::TextStyle, QColor const&, QColor const&, QColor const&, QColor const&, int, int, int, int) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#17 0x00007f5f10607d21 in QQuickText::updatePaintNode(QSGNode*, QQuickItem::UpdatePaintNodeData*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#18 0x00007f5f105c2a18 in QQuickWindowPrivate::updateDirtyNode(QQuickItem*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#19 0x00007f5f105c3293 in QQuickWindowPrivate::updateDirtyNodes() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#20 0x00007f5f105c4512 in QQuickWindowPrivate::syncSceneGraph() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#21 0x00007f5f1067d4a8 in QQuickRenderControl::grab() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#22 0x00007f5ef8435292 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/org.kde.kdecoration2/kwin5_aurorae.so
#23 0x00007f5f1570e6cf in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007f5f1571b027 in QTimer::timeout(QTimer::QPrivateSignal) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007f5f1571b388 in QTimer::timerEvent(QTimerEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f5f1570f0db in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f5f1645d82c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#28 0x00007f5f164650f4 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#29 0x00007f5f156df9a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#30 0x00007f5f15737d8e in QTimerInfoList::activateTimers() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00007f5f15735f42 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007f5efcfb25cd in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#33 0x00007f5f156dd9ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007f5f156e6a84 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x00007f5f18617dbb in kdemain () at /usr/lib/x86_64-linux-gnu/libkdeinit5_kwin_x11.so
#36 0x00007f5f1823fb97 in __libc_start_main (main=0x55c8efce6730, argc=3, argv=0x7fff4c5d01b8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff4c5d01a8) at ../csu/libc-start.c:310
#37 0x000055c8efce676a in _start ()

Reported using DrKonqi