Application: konqueror (4.14.3)
KDE Platform Version: 4.14.3
Qt Version: 4.8.6
Operating System: Linux 3.17.4-301.fc21.x86_64 x86_64
Distribution (Platform): Fedora RPMs

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

Crash occurred when hitting Back button on browser. Happened 2 or 3 times in a row.

The crash can be reproduced every time.

-- Backtrace:
Application: Konqueror (konqueror), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fca41f42880 (LWP 1606))]

Thread 4 (Thread 0x7fca177cf700 (LWP 1608)):
#0  0x00007fca3eaad1dd in poll () from /lib64/libc.so.6
#1  0x00007fca3b139e24 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007fca3b139f3c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007fca408c46be in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#4  0x00007fca40893f91 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#5  0x00007fca408942f5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#6  0x00007fca40789b69 in QThread::exec() () from /lib64/libQtCore.so.4
#7  0x00007fca4078c3cf in QThreadPrivate::start(void*) () from /lib64/libQtCore.so.4
#8  0x00007fca404f752a in start_thread () from /lib64/libpthread.so.0
#9  0x00007fca3eab877d in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7fc9d4ad7700 (LWP 1612)):
#0  0x00007fca404fc590 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fca2b70a093 in JSC::BlockAllocator::blockFreeingThreadMain() () from /lib64/libQtWebKit.so.4
#2  0x00007fca2ba0f636 in WTF::wtfThreadEntryPoint(void*) () from /lib64/libQtWebKit.so.4
#3  0x00007fca404f752a in start_thread () from /lib64/libpthread.so.0
#4  0x00007fca3eab877d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fc9cebfd700 (LWP 1786)):
#0  0x00007ffffae0299a in clock_gettime ()
#1  0x00007fca3eac69fd in clock_gettime () from /lib64/libc.so.6
#2  0x00007fca407e35c5 in qt_gettime() () from /lib64/libQtCore.so.4
#3  0x00007fca408c54e5 in QTimerInfoList::timerWait(timeval&) () from /lib64/libQtCore.so.4
#4  0x00007fca408c3d7c in timerSourcePrepareHelper(GTimerSource*, int*) () from /lib64/libQtCore.so.4
#5  0x00007fca408c3e45 in timerSourcePrepare(_GSource*, int*) () from /lib64/libQtCore.so.4
#6  0x00007fca3b1393ed in g_main_context_prepare () from /lib64/libglib-2.0.so.0
#7  0x00007fca3b139d4b in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#8  0x00007fca3b139f3c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#9  0x00007fca408c46be in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#10 0x00007fca40893f91 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#11 0x00007fca408942f5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#12 0x00007fca40789b69 in QThread::exec() () from /lib64/libQtCore.so.4
#13 0x00007fca40874b53 in QInotifyFileSystemWatcherEngine::run() () from /lib64/libQtCore.so.4
#14 0x00007fca4078c3cf in QThreadPrivate::start(void*) () from /lib64/libQtCore.so.4
#15 0x00007fca404f752a in start_thread () from /lib64/libpthread.so.0
#16 0x00007fca3eab877d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fca41f42880 (LWP 1606)):
[KCrash Handler]
#5  0x00007fca41a122a0 in KXMLGUIFactory::removeClient(KXMLGUIClient*) () from /lib64/libkdeui.so.5
#6  0x00007fc9b9a859d4 in Ark::Part::~Part() () from /usr/lib64/kde4/arkpart.so
#7  0x00007fc9b9a85a59 in Ark::Part::~Part() () from /usr/lib64/kde4/arkpart.so
#8  0x00007fca1fdbc8ec in KonqView::switchView(KonqViewFactory&) () from /lib64/libkdeinit4_konqueror.so
#9  0x00007fca1fdbd8e0 in KonqView::changePart(QString const&, QString const&, bool) () from /lib64/libkdeinit4_konqueror.so
#10 0x00007fca1fdc001c in KonqView::restoreHistory() () from /lib64/libkdeinit4_konqueror.so
#11 0x00007fca1fe05eea in KonqMainWindow::slotGoHistoryDelayed() () from /lib64/libkdeinit4_konqueror.so
#12 0x00007fca1fe12146 in KonqMainWindow::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) [clone .part.172] () from /lib64/libkdeinit4_konqueror.so
#13 0x00007fca408ae5f1 in QObject::event(QEvent*) () from /lib64/libQtCore.so.4
#14 0x00007fca3fa1b503 in QWidget::event(QEvent*) () from /lib64/libQtGui.so.4
#15 0x00007fca3fdf4543 in QMainWindow::event(QEvent*) () from /lib64/libQtGui.so.4
#16 0x00007fca41a08769 in KXmlGuiWindow::event(QEvent*) () from /lib64/libkdeui.so.5
#17 0x00007fca1fe11404 in KonqMainWindow::event(QEvent*) () from /lib64/libkdeinit4_konqueror.so
#18 0x00007fca3f9c7f6c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQtGui.so.4
#19 0x00007fca3f9ce9b8 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQtGui.so.4
#20 0x00007fca419069ea in KApplication::notify(QObject*, QEvent*) () from /lib64/libkdeui.so.5
#21 0x00007fca4089543d in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /lib64/libQtCore.so.4
#22 0x00007fca40898701 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib64/libQtCore.so.4
#23 0x00007fca408c452e in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQtCore.so.4
#24 0x00007fca3b139aeb in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#25 0x00007fca3b139e88 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#26 0x00007fca3b139f3c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#27 0x00007fca408c469e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#28 0x00007fca3fa6b346 in QGuiEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtGui.so.4
#29 0x00007fca40893f91 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#30 0x00007fca408942f5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#31 0x00007fca408999c7 in QCoreApplication::exec() () from /lib64/libQtCore.so.4
#32 0x00007fca1fe327e6 in kdemain () from /lib64/libkdeinit4_konqueror.so
#33 0x000000000040825d in launch(int, char const*, char const*, char const*, int, char const*, bool, char const*, bool, char const*) ()
#34 0x00000000004090a9 in handle_launcher_request(int, char const*) [clone .isra.15] ()
#35 0x0000000000409787 in handle_requests(int) ()
#36 0x000000000040537d in main ()

Possible duplicates by query: bug 341287.

Reported using DrKonqi