https://bugs.kde.org/show_bug.cgi?id=387741
Bug ID: 387741
Summary: kwin crashes.
Product: kwin
Version: 5.8.7
Platform: Mageia RPMs
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: k...@pmc.com.pt
Target Milestone: ---
Application: kwin_x11 (5.8.7)
Qt Version: 5.6.2
Frameworks Version: 5.32.0
Operating System: Linux 4.9.56-desktop-1.mga6 x86_64
Distribution: "Mageia 6"
-- Information about the crash:
- What I was doing when the application crashed:
kwin_x11 has crashed a few times and I'm unable to see a pattern or how to
trigger it. Hopefully the backtrace can give some clues.
The crash can be reproduced sometimes.
-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f49d51a7840 (LWP 31836))]
Thread 8 (Thread 0x7f499ee7e700 (LWP 32366)):
#0 0x00007f49d4d5cc4f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1 0x00007f49d2731dfb in QWaitCondition::wait(QMutex*, unsigned long) () at
/lib64/libQt5Core.so.5
#2 0x00007f49cdff0b1d in QSGRenderThread::processEventsAndWaitForMore() () at
/lib64/libQt5Quick.so.5
#3 0x00007f49cdff1395 in QSGRenderThread::run() () at /lib64/libQt5Quick.so.5
#4 0x00007f49d2730ff9 in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#5 0x00007f49d4d5766d in start_thread () at /lib64/libpthread.so.0
#6 0x00007f49d4a92e4d in clone () at /lib64/libc.so.6
Thread 7 (Thread 0x7f49ad6e7700 (LWP 32365)):
#0 0x00007f49d4a88e5c in select () at /lib64/libc.so.6
#1 0x00007f49d29428ef in qt_safe_select(int, fd_set*, fd_set*, fd_set*,
timespec const*) () at /lib64/libQt5Core.so.5
#2 0x00007f49d294420b in
QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>,
timespec*) () at /lib64/libQt5Core.so.5
#3 0x00007f49d29446d2 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#4 0x00007f49d28f249a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#5 0x00007f49d272c3bc in QThread::exec() () at /lib64/libQt5Core.so.5
#6 0x00007f49cdb27205 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7 0x00007f49d2730ff9 in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#8 0x00007f49d4d5766d in start_thread () at /lib64/libpthread.so.0
#9 0x00007f49d4a92e4d in clone () at /lib64/libc.so.6
Thread 6 (Thread 0x7f499f7ff700 (LWP 31923)):
#0 0x00007f49d4a88e43 in select () at /lib64/libc.so.6
#1 0x00007f49d29428ef in qt_safe_select(int, fd_set*, fd_set*, fd_set*,
timespec const*) () at /lib64/libQt5Core.so.5
#2 0x00007f49d294420b in
QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>,
timespec*) () at /lib64/libQt5Core.so.5
#3 0x00007f49d29446d2 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#4 0x00007f49d28f249a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#5 0x00007f49d272c3bc in QThread::exec() () at /lib64/libQt5Core.so.5
#6 0x00007f49cdb27205 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7 0x00007f49d2730ff9 in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#8 0x00007f49d4d5766d in start_thread () at /lib64/libpthread.so.0
#9 0x00007f49d4a92e4d in clone () at /lib64/libc.so.6
Thread 5 (Thread 0x7f499de93700 (LWP 31906)):
#0 0x00007f49d4d5cc4f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1 0x00007f49d1ad2234 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at
/lib64/libQt5Script.so.5
#2 0x00007f49d1ad2279 in () at /lib64/libQt5Script.so.5
#3 0x00007f49d4d5766d in start_thread () at /lib64/libpthread.so.0
#4 0x00007f49d4a92e4d in clone () at /lib64/libc.so.6
Thread 4 (Thread 0x7f49acaeb700 (LWP 31880)):
#0 0x00007f49d294433d in
QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>,
timespec*) () at /lib64/libQt5Core.so.5
#1 0x00007f49d29446d2 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#2 0x00007f49d28f249a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#3 0x00007f49d272c3bc in QThread::exec() () at /lib64/libQt5Core.so.5
#4 0x00007f49cdb27205 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#5 0x00007f49d2730ff9 in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#6 0x00007f49d4d5766d in start_thread () at /lib64/libpthread.so.0
#7 0x00007f49d4a92e4d in clone () at /lib64/libc.so.6
Thread 3 (Thread 0x7f49aef3f700 (LWP 31844)):
#0 0x00007ffcaa9b5c02 in clock_gettime ()
#1 0x00007f49d4aa0a06 in clock_gettime () at /lib64/libc.so.6
#2 0x00007f49d27d8166 in qt_gettime() () at /lib64/libQt5Core.so.5
#3 0x00007f49d2944aa9 in QTimerInfoList::updateCurrentTime() () at
/lib64/libQt5Core.so.5
#4 0x00007f49d2944ff5 in QTimerInfoList::timerWait(timespec&) () at
/lib64/libQt5Core.so.5
#5 0x00007f49d2944682 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#6 0x00007f49d28f249a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#7 0x00007f49d272c3bc in QThread::exec() () at /lib64/libQt5Core.so.5
#8 0x00007f49d52b8635 in QDBusConnectionManager::run() () at
/lib64/libQt5DBus.so.5
#9 0x00007f49d2730ff9 in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#10 0x00007f49d4d5766d in start_thread () at /lib64/libpthread.so.0
#11 0x00007f49d4a92e4d in clone () at /lib64/libc.so.6
Thread 2 (Thread 0x7f49b4cbb700 (LWP 31837)):
#0 0x00007f49d4a8700d in poll () at /lib64/libc.so.6
#1 0x00007f49d3bfb902 in _xcb_conn_wait () at /lib64/libxcb.so.1
#2 0x00007f49d3bfd657 in xcb_wait_for_event () at /lib64/libxcb.so.1
#3 0x00007f49b5ed5be9 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5
#4 0x00007f49d2730ff9 in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#5 0x00007f49d4d5766d in start_thread () at /lib64/libpthread.so.0
#6 0x00007f49d4a92e4d in clone () at /lib64/libc.so.6
Thread 1 (Thread 0x7f49d51a7840 (LWP 31836)):
[KCrash Handler]
#6 0x000000004131a98f in ()
#7 0x00007f49c4b9a2d0 in () at
/usr/lib64/nvidia340/libnvidia-glcore.so.340.102
#8 0x00007f49c4ba1360 in () at
/usr/lib64/nvidia340/libnvidia-glcore.so.340.102
#9 0x00007f49c480e378 in () at
/usr/lib64/nvidia340/libnvidia-glcore.so.340.102
#10 0x00007f49d2f5dcb6 in QOpenGLTextureGlyphCache::resizeTextureData(int, int)
() at /lib64/libQt5Gui.so.5
#11 0x00007f49d2ed7e9a in QTextureGlyphCache::fillInPendingGlyphs() () at
/lib64/libQt5Gui.so.5
#12 0x00007f49cdfd8e30 in QSGTextMaskMaterial::populate(QPointF const&,
QVector<unsigned int> const&, QVector<QPointF> const&, QSGGeometry*, QRectF*,
QPointF*, QMargins const&) () at /lib64/libQt5Quick.so.5
#13 0x00007f49cdfd6eb6 in QSGDefaultGlyphNode::update() () at
/lib64/libQt5Quick.so.5
#14 0x00007f49ce055e3b in QQuickTextNode::addGlyphs(QPointF const&, QGlyphRun
const&, QColor const&, QQuickText::TextStyle, QColor const&, QSGNode*) () at
/lib64/libQt5Quick.so.5
#15 0x00007f49ce05a8fc in
QQuickTextNodeEngine::addToSceneGraph(QQuickTextNode*, QQuickText::TextStyle,
QColor const&) () at /lib64/libQt5Quick.so.5
#16 0x00007f49ce056d5f in QQuickTextNode::addTextLayout(QPointF const&,
QTextLayout*, QColor const&, QQuickText::TextStyle, QColor const&, QColor
const&, QColor const&, QColor const&, int, int, int, int) () at
/lib64/libQt5Quick.so.5
#17 0x00007f49ce05583a in QQuickText::updatePaintNode(QSGNode*,
QQuickItem::UpdatePaintNodeData*) () at /lib64/libQt5Quick.so.5
#18 0x00007f49ce017710 in QQuickWindowPrivate::updateDirtyNode(QQuickItem*) ()
at /lib64/libQt5Quick.so.5
#19 0x00007f49ce017f0a in QQuickWindowPrivate::updateDirtyNodes() () at
/lib64/libQt5Quick.so.5
#20 0x00007f49ce018e9e in QQuickWindowPrivate::syncSceneGraph() () at
/lib64/libQt5Quick.so.5
#21 0x00007f49ce0f6bfa in QQuickRenderControl::sync() () at
/lib64/libQt5Quick.so.5
#22 0x00007f49acb180cf in
QtPrivate::QFunctorSlotObject<Aurorae::Decoration::init()::{lambda()#5}, 0,
QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*,
void**, bool*) () at
/usr/lib64/qt5/plugins/org.kde.kdecoration2/kwin5_aurorae.so
#23 0x00007f49d291f90c in QMetaObject::activate(QObject*, int, int, void**) ()
at /lib64/libQt5Core.so.5
#24 0x00007f49d292b6a8 in QTimer::timerEvent(QTimerEvent*) () at
/lib64/libQt5Core.so.5
#25 0x00007f49d292036b in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#26 0x00007f49d3206d0c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /lib64/libQt5Widgets.so.5
#27 0x00007f49d320be76 in QApplication::notify(QObject*, QEvent*) () at
/lib64/libQt5Widgets.so.5
#28 0x00007f49d28f4628 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /lib64/libQt5Core.so.5
#29 0x00007f49d2945d6e in QTimerInfoList::activateTimers() () at
/lib64/libQt5Core.so.5
#30 0x00007f49d29446b4 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#31 0x00007f49b5f4649d in
QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /lib64/libQt5XcbQpa.so.5
#32 0x00007f49d28f249a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#33 0x00007f49d28fa7e1 in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#34 0x00007f49d4f760b6 in kdemain () at /lib64/libkdeinit5_kwin_x11.so
#35 0x00007f49d49bd600 in __libc_start_main () at /lib64/libc.so.6
#36 0x00000000004007b9 in _start ()
Reported using DrKonqi
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