Bug 399819

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:
solo revisando documentos en área de trabajo cuando la aplicación de interfaz gráfica se reinicia, problema sucede aproximadamente 5 veces cada 6 horas en mi computador.

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 0x7fc594cfbd00 (LWP 1375))]

Thread 5 (Thread 0x7fc56ffff700 (LWP 1704)):
#0  0x00007fff4d1eeb62 in clock_gettime ()
#1  0x00007fc59466fea6 in __GI___clock_gettime (clock_id=1, tp=0x7fc56fffeb50) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007fc591a59221 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fc591a57a59 in QTimerInfoList::updateCurrentTime() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fc591a58035 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fc591a56fe4 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fc5919fe9ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fc59181d22a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fc58c1a66f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007fc59182216d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fc58d6ba6db in start_thread (arg=0x7fc56ffff700) at pthread_create.c:463
#11 0x00007fc59466088f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fc55bfff700 (LWP 1541)):
#0  0x00007fc58d6c09f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fc590c57fb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fc58d6c09f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fc590c57f68, cond=0x7fc590c57f90) at pthread_cond_wait.c:502
#2  0x00007fc58d6c09f3 in __pthread_cond_wait (cond=0x7fc590c57f90, mutex=0x7fc590c57f68) at pthread_cond_wait.c:655
#3  0x00007fc5909615f4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007fc590961639 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007fc58d6ba6db in start_thread (arg=0x7fc55bfff700) at pthread_create.c:463
#6  0x00007fc59466088f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fc56f4e8700 (LWP 1459)):
#0  0x00007fc5919fe578 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007fc5919fe9ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fc59181d22a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fc58c1a66f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#4  0x00007fc59182216d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fc58d6ba6db in start_thread (arg=0x7fc56f4e8700) at pthread_create.c:463
#6  0x00007fc59466088f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fc575d36700 (LWP 1397)):
#0  0x00007fff4d1eeb62 in clock_gettime ()
#1  0x00007fc59466fea6 in __GI___clock_gettime (clock_id=1, tp=0x7fc575d35b40) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007fc591a59221 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fc591a57a59 in QTimerInfoList::updateCurrentTime() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fc591a58035 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fc591a56fe4 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fc5919fe9ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fc59181d22a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fc58b07fd45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x00007fc59182216d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fc58d6ba6db in start_thread (arg=0x7fc575d36700) at pthread_create.c:463
#11 0x00007fc59466088f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fc594cfbd00 (LWP 1375)):
[KCrash Handler]
#6  0x0000000040d6cc0f in  ()
#7  0x00007fc5828ee2d0 in  () at /usr/lib/x86_64-linux-gnu/libnvidia-glcore.so.340.107
#8  0x00007fc5828f5360 in  () at /usr/lib/x86_64-linux-gnu/libnvidia-glcore.so.340.107
#9  0x00007fc582562378 in  () at /usr/lib/x86_64-linux-gnu/libnvidia-glcore.so.340.107
#10 0x00007fc59230d0b5 in QOpenGLTextureGlyphCache::resizeTextureData(int, int) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#11 0x00007fc5922919da in QTextureGlyphCache::fillInPendingGlyphs() () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#12 0x00007fc58c87dc56 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#13 0x00007fc58c87a949 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00007fc58c929158 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 0x00007fc58c92e264 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#16 0x00007fc58c92a0ba 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 0x00007fc58c928d21 in QQuickText::updatePaintNode(QSGNode*, QQuickItem::UpdatePaintNodeData*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#18 0x00007fc58c8e3a18 in QQuickWindowPrivate::updateDirtyNode(QQuickItem*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#19 0x00007fc58c8e4293 in QQuickWindowPrivate::updateDirtyNodes() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#20 0x00007fc58c8e5512 in QQuickWindowPrivate::syncSceneGraph() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#21 0x00007fc58c99e4a8 in QQuickRenderControl::grab() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#22 0x00007fc56f506292 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/org.kde.kdecoration2/kwin5_aurorae.so
#23 0x00007fc591a2f6cf in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007fc591a3c027 in QTimer::timeout(QTimer::QPrivateSignal) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007fc591a3c388 in QTimer::timerEvent(QTimerEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007fc591a300db in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007fc59277e82c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#28 0x00007fc5927860f4 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#29 0x00007fc591a009a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#30 0x00007fc591a58d8e in QTimerInfoList::activateTimers() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00007fc591a56f42 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007fc5792d35cd in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#33 0x00007fc5919fe9ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007fc591a07a84 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x00007fc594938dbb in kdemain () at /usr/lib/x86_64-linux-gnu/libkdeinit5_kwin_x11.so
#36 0x00007fc594560b97 in __libc_start_main (main=0x55bc9a499730, argc=3, argv=0x7fff4d1d0178, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff4d1d0168) at ../csu/libc-start.c:310
#37 0x000055bc9a49976a in _start ()

Reported using DrKonqi