[kdelibs] [Bug 344580] New: kded4 crashed apparently out of the blue

Matija Šuklje matija at suklje.name
Thu Feb 26 07:10:01 GMT 2015 

https://bugs.kde.org/show_bug.cgi?id=344580

            Bug ID: 344580
           Summary: kded4 crashed apparently out of the blue
           Product: kdelibs
           Version: 4.12.5
          Platform: Mageia RPMs
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: kded
          Assignee: unassigned-bugs at kde.org
          Reporter: matija at suklje.name

Application: kded4 (4.12.5)
KDE Platform Version: 4.12.5
Qt Version: 4.8.6
Operating System: Linux 3.14.32-desktop-1.mga4 x86_64
Distribution: "Mageia 4"

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

The system was a bit more under the load and on a slow connection (in a hotel
room) …other than that, nothing odd.

-- Backtrace:
Application: Ozadnji program KDE (kded4), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
gobject.pyc: gdb was not built with custom backtrace support, disabling.
[Current thread is 1 (Thread 0x7f1d1f80a780 (LWP 3227))]

Thread 3 (Thread 0x7f1d01e63700 (LWP 3781)):
#0  0x00007f1d1ce3c6dd in poll () from /lib64/libc.so.6
#1  0x00007f1d19f3c434 in g_main_context_iterate.isra.24 () from
/lib64/libglib-2.0.so.0
#2  0x00007f1d19f3c53c in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#3  0x00007f1d1e47f21e in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQtCore.so.4
#4  0x00007f1d1e45127f in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQtCore.so.4
#5  0x00007f1d1e451575 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQtCore.so.4
#6  0x00007f1d1e34d84f in QThread::exec() () from /lib64/libQtCore.so.4
#7  0x00007f1d1e34ff1f in QThreadPrivate::start(void*) () from
/lib64/libQtCore.so.4
#8  0x00007f1d1e0bff6b in start_thread () from /lib64/libpthread.so.0
#9  0x00007f1d1ce46e6d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f1cfb932700 (LWP 4278)):
#0  0x00007f1d1e0c31de in pthread_mutex_unlock () from /lib64/libpthread.so.0
#1  0x00007f1d19f7c151 in g_mutex_unlock () from /lib64/libglib-2.0.so.0
#2  0x00007f1d19f3bb68 in g_main_context_prepare () from
/lib64/libglib-2.0.so.0
#3  0x00007f1d19f3c353 in g_main_context_iterate.isra.24 () from
/lib64/libglib-2.0.so.0
#4  0x00007f1d19f3c53c in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#5  0x00007f1d1e47f21e in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQtCore.so.4
#6  0x00007f1d1e45127f in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQtCore.so.4
#7  0x00007f1d1e451575 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQtCore.so.4
#8  0x00007f1d1e34d84f in QThread::exec() () from /lib64/libQtCore.so.4
#9  0x00007f1d1e432ae3 in QInotifyFileSystemWatcherEngine::run() () from
/lib64/libQtCore.so.4
#10 0x00007f1d1e34ff1f in QThreadPrivate::start(void*) () from
/lib64/libQtCore.so.4
#11 0x00007f1d1e0bff6b in start_thread () from /lib64/libpthread.so.0
#12 0x00007f1d1ce46e6d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f1d1f80a780 (LWP 3227)):
[KCrash Handler]
#5  0x00007f1d1e4699e3 in QMetaObject::changeGuard(QObject**, QObject*) () from
/lib64/libQtCore.so.4
#6  0x00007f1d1db9a4dc in
QGraphicsProxyWidgetPrivate::sendWidgetMouseEvent(QGraphicsSceneMouseEvent*) ()
from /lib64/libQtGui.so.4
#7  0x00007f1d1db7c942 in QGraphicsItem::sceneEvent(QEvent*) () from
/lib64/libQtGui.so.4
#8  0x00007f1d1dba3a1f in
QGraphicsScenePrivate::sendMouseEvent(QGraphicsSceneMouseEvent*) () from
/lib64/libQtGui.so.4
#9  0x00007f1d1dbac67f in
QGraphicsScene::mouseReleaseEvent(QGraphicsSceneMouseEvent*) () from
/lib64/libQtGui.so.4
#10 0x00007f1d1dbb8550 in QGraphicsScene::event(QEvent*) () from
/lib64/libQtGui.so.4
#11 0x00007f1d1d5d844c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib64/libQtGui.so.4
#12 0x00007f1d1d5de9cd in QApplication::notify(QObject*, QEvent*) () from
/lib64/libQtGui.so.4
#13 0x00007f1d1f20547a in KApplication::notify(QObject*, QEvent*) () from
/lib64/libkdeui.so.5
#14 0x00007f1d1e4526ad in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /lib64/libQtCore.so.4
#15 0x00007f1d1dbcf257 in QGraphicsView::mouseReleaseEvent(QMouseEvent*) ()
from /lib64/libQtGui.so.4
#16 0x00007f1d1d627a7e in QWidget::event(QEvent*) () from /lib64/libQtGui.so.4
#17 0x00007f1d1d9c4f6e in QFrame::event(QEvent*) () from /lib64/libQtGui.so.4
#18 0x00007f1d1dbcfc79 in QGraphicsView::viewportEvent(QEvent*) () from
/lib64/libQtGui.so.4
#19 0x00007f1d1e452816 in
QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) ()
from /lib64/libQtCore.so.4
#20 0x00007f1d1d5d842c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib64/libQtGui.so.4
#21 0x00007f1d1d5deb0a in QApplication::notify(QObject*, QEvent*) () from
/lib64/libQtGui.so.4
#22 0x00007f1d1f20547a in KApplication::notify(QObject*, QEvent*) () from
/lib64/libkdeui.so.5
#23 0x00007f1d1e4526ad in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /lib64/libQtCore.so.4
#24 0x00007f1d1d5de303 in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from
/lib64/libQtGui.so.4
#25 0x00007f1d1d64f85b in QETWidget::translateMouseEvent(_XEvent const*) ()
from /lib64/libQtGui.so.4
#26 0x00007f1d1d64e2cc in QApplication::x11ProcessEvent(_XEvent*) () from
/lib64/libQtGui.so.4
#27 0x00007f1d1d674e32 in x11EventSourceDispatch(_GSource*, int (*)(void*),
void*) () from /lib64/libQtGui.so.4
#28 0x00007f1d19f3c146 in g_main_context_dispatch () from
/lib64/libglib-2.0.so.0
#29 0x00007f1d19f3c498 in g_main_context_iterate.isra.24 () from
/lib64/libglib-2.0.so.0
#30 0x00007f1d19f3c53c in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#31 0x00007f1d1e47f1fe in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQtCore.so.4
#32 0x00007f1d1d674ee6 in
QGuiEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /lib64/libQtGui.so.4
#33 0x00007f1d1e45127f in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQtCore.so.4
#34 0x00007f1d1e451575 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQtCore.so.4
#35 0x00007f1d1e4567fb in QCoreApplication::exec() () from
/lib64/libQtCore.so.4
#36 0x00007f1d07d189eb in kdemain () from /usr/lib64/libkdeinit4_kded4.so
#37 0x000000000040821f in launch(int, char const*, char const*, char const*,
int, char const*, bool, char const*, bool, char const*) ()
#38 0x00000000004058ef in main ()

Possible duplicates by query: bug 333693, bug 332662.

Reported using DrKonqi

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