[kde] [Bug 348788] New: kwin crash - when inserted into docking station

Mohammed Arafa bugzilla at in-egypt.net
Sat Jun 6 16:52:22 BST 2015 

https://bugs.kde.org/show_bug.cgi?id=348788

            Bug ID: 348788
           Summary: kwin crash - when inserted into docking station
           Product: kde
           Version: unspecified
          Platform: unspecified
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: bugzilla at in-egypt.net

Application: kwin_x11 (5.3.0)

Qt Version: 5.4.1
Operating System: Linux 4.0.4-303.fc22.x86_64 x86_64
Distribution: "Fedora release 22 (Twenty Two)"

-- Information about the crash:
- What I was doing when the application crashed:

i put my laptop to sleep then i plugged it into the docking station, then
powered it on. then i plugged in my usb devices; laptop and wireless mouse then
unlocked my screen saver and found this bug report

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fc4dc892900 (LWP 1810))]

Thread 4 (Thread 0x7fc4ce12a700 (LWP 1831)):
#0  0x00000031f16f83d3 in select () at /lib64/libc.so.6
#1  0x0000003206cd1dcf in qt_safe_select(int, fd_set*, fd_set*, fd_set*,
timespec const*) () at /lib64/libQt5Core.so.5
#2  0x0000003206cd38ce in
QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>,
timespec*) () at /lib64/libQt5Core.so.5
#3  0x0000003206cd3dfe in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#4  0x0000003206c7ca8a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#5  0x0000003206a9aff4 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x0000003b46cc3935 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x0000003206a9fede in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#8  0x00000031f1e07555 in start_thread () at /lib64/libpthread.so.0
#9  0x00000031f1701f3d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7fc4c5d0b700 (LWP 1858)):
#0  0x00000031f1e0c530 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00000032073806d4 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at
/lib64/libQt5Script.so.5
#2  0x0000003207380719 in  () at /lib64/libQt5Script.so.5
#3  0x00000031f1e07555 in start_thread () at /lib64/libpthread.so.0
#4  0x00000031f1701f3d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fc4bafe6700 (LWP 1960)):
#0  0x00000031f16f83d3 in select () at /lib64/libc.so.6
#1  0x0000003206cd1dcf in qt_safe_select(int, fd_set*, fd_set*, fd_set*,
timespec const*) () at /lib64/libQt5Core.so.5
#2  0x0000003206cd38ce in
QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>,
timespec*) () at /lib64/libQt5Core.so.5
#3  0x0000003206cd3dfe in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#4  0x0000003206c7ca8a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#5  0x0000003206a9aff4 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x0000003b46cc3935 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x0000003206a9fede in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#8  0x00000031f1e07555 in start_thread () at /lib64/libpthread.so.0
#9  0x00000031f1701f3d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fc4dc892900 (LWP 1810)):
[KCrash Handler]
#5  0x0000003b3b90baa4 in QScreen::devicePixelRatio() const () at
/lib64/libQt5Gui.so.5
#6  0x0000003b4654c1ce in QSGTextMaskMaterial::init(QFontEngine::GlyphFormat)
() at /lib64/libQt5Quick.so.5
#7  0x0000003b4654b23a in QSGDefaultGlyphNode::update() () at
/lib64/libQt5Quick.so.5
#8  0x0000003b465d7617 in QQuickTextNode::addGlyphs(QPointF const&, QGlyphRun
const&, QColor const&, QQuickText::TextStyle, QColor const&, QSGNode*) () at
/lib64/libQt5Quick.so.5
#9  0x0000003b465dacc3 in
QQuickTextNodeEngine::addToSceneGraph(QQuickTextNode*, QQuickText::TextStyle,
QColor const&) () at /lib64/libQt5Quick.so.5
#10 0x0000003b465d84d7 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
#11 0x0000003b465d6c78 in QQuickText::updatePaintNode(QSGNode*,
QQuickItem::UpdatePaintNodeData*) () at /lib64/libQt5Quick.so.5
#12 0x0000003b4658f5e7 in QQuickWindowPrivate::updateDirtyNode(QQuickItem*) ()
at /lib64/libQt5Quick.so.5
#13 0x0000003b4659008b in QQuickWindowPrivate::updateDirtyNodes() () at
/lib64/libQt5Quick.so.5
#14 0x0000003b465906fe in QQuickWindowPrivate::syncSceneGraph() () at
/lib64/libQt5Quick.so.5
#15 0x0000003b46670e0a in QQuickRenderControl::sync() () at
/lib64/libQt5Quick.so.5
#16 0x00007fc4ce147d69 in
QtPrivate::QFunctorSlotObject<Aurorae::Decoration::init()::{lambda()#8}, 0,
QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*,
void**, bool*) () at
/usr/lib64/qt5/plugins/org.kde.kdecoration2/kwin5_aurorae.so
#17 0x0000003206cafad7 in QMetaObject::activate(QObject*, int, int, void**) ()
at /lib64/libQt5Core.so.5
#18 0x0000003206cbc638 in QTimer::timerEvent(QTimerEvent*) () at
/lib64/libQt5Core.so.5
#19 0x0000003206cb0ac3 in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#20 0x0000003b3c9527cc in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /lib64/libQt5Widgets.so.5
#21 0x0000003b3c957e70 in QApplication::notify(QObject*, QEvent*) () at
/lib64/libQt5Widgets.so.5
#22 0x0000003206c7f24b in QCoreApplication::notifyInternal(QObject*, QEvent*)
() at /lib64/libQt5Core.so.5
#23 0x0000003206cd555d in QTimerInfoList::activateTimers() () at
/lib64/libQt5Core.so.5
#24 0x0000003206cd3d76 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#25 0x00007fc4d5fa297d in
QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /usr/lib64/qt5/plugins/platforms/libqxcb.so
#26 0x0000003206c7ca8a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#27 0x0000003206c845fc in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#28 0x0000003b45605967 in kdemain () at /lib64/libkdeinit5_kwin_x11.so
#29 0x00000031f1620790 in __libc_start_main () at /lib64/libc.so.6
#30 0x0000000000400bc9 in _start ()

Reported using DrKonqi

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