Application: kontact (4.12.1)
KDE Platform Version: 4.12.1
Qt Version: 4.8.5
Operating System: Linux 3.13.1-gentoo x86_64
Distribution: "Gentoo Base System release 2.2"

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

I used Kontact to browser kmail and knode. Many minutes after closing Kontact, this crash showed up.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f7de6f36780 (LWP 5154))]

Thread 4 (Thread 0x7f7de24e1700 (LWP 5155)):
#0  pthread_cond_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x000000325395590d in WTF::TCMalloc_PageHeap::scavengerThread() () from /usr/lib64/qt4/libQtWebKit.so.4
#2  0x0000003253955a19 in WTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /usr/lib64/qt4/libQtWebKit.so.4
#3  0x0000003c4a208f3a in start_thread (arg=0x7f7de24e1700) at pthread_create.c:308
#4  0x0000003c49aee2ed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7f7de1bc8700 (LWP 5157)):
#0  0x0000003c49ae466d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000003c4e24a33c in g_main_context_poll (n_fds=1, fds=0x7f7ddc0029c0, timeout=-1, context=0x7f7ddc0009a0, priority=<optimized out>) at /var/tmp/portage/dev-libs/glib-2.36.4-r1/work/glib-2.36.4/glib/gmain.c:3995
#2  g_main_context_iterate (context=context@entry=0x7f7ddc0009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /var/tmp/portage/dev-libs/glib-2.36.4-r1/work/glib-2.36.4/glib/gmain.c:3696
#3  0x0000003c4e24a464 in g_main_context_iteration (context=0x7f7ddc0009a0, may_block=1) at /var/tmp/portage/dev-libs/glib-2.36.4-r1/work/glib-2.36.4/glib/gmain.c:3762
#4  0x00000035b37abca6 in QEventDispatcherGlib::processEvents (this=0x7f7ddc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:427
#5  0x00000035b377c60f in QEventLoop::processEvents (this=this@entry=0x7f7de1bc7e70, flags=...) at kernel/qeventloop.cpp:149
#6  0x00000035b377c898 in QEventLoop::exec (this=0x7f7de1bc7e70, flags=...) at kernel/qeventloop.cpp:204
#7  0x00000035b367f350 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:536
#8  0x00000035b3681acc in QThreadPrivate::start (arg=0x2155ec0) at thread/qthread_unix.cpp:338
#9  0x0000003c4a208f3a in start_thread (arg=0x7f7de1bc8700) at pthread_create.c:308
#10 0x0000003c49aee2ed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7f7d8398e700 (LWP 5445)):
#0  pthread_cond_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00000035bcf86d27 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x35bd293640 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00000035bcf86d59 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x0000003c4a208f3a in start_thread (arg=0x7f7d8398e700) at pthread_create.c:308
#4  0x0000003c49aee2ed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f7de6f36780 (LWP 5154)):
[KCrash Handler]
#6  parent (this=0x334b4a0) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:273
#7  parentWidget (this=0x334b4a0) at ../../include/QtGui/../../src/gui/kernel/qwidget.h:1036
#8  QWidget::window (this=0x334b4a0) at kernel/qwidget.cpp:4345
#9  0x00007f7ce5ff4e80 in topLevelWidget (this=0x334b4a0) at /usr/include/qt4/QtGui/qwidget.h:328
#10 KNMainWidget::setStatusMsg (this=0x334b4a0, text=..., id=4000005) at /var/tmp/portage/kde-base/knode-4.12.1-r1/work/knode-4.12.1/knode/knmainwidget.cpp:263
#11 0x00007f7ce5f83bcc in KNGroup::scoreArticles (this=0x36c1780, onlynew=<optimized out>) at /var/tmp/portage/kde-base/knode-4.12.1-r1/work/knode-4.12.1/knode/kngroup.cpp:923
#12 0x00007f7ce5f78bbf in KNGroupManager::processJob (this=0x1102b190, j=0x135c9cd0) at /var/tmp/portage/kde-base/knode-4.12.1-r1/work/knode-4.12.1/knode/kngroupmanager.cpp:630
#13 0x00007f7ce5f68002 in KNJobConsumer::jobDone (this=0x1102b1a0, j=0x7fff005d9400) at /var/tmp/portage/kde-base/knode-4.12.1-r1/work/knode-4.12.1/knode/knjobdata.cpp:54
#14 0x00007f7ce5f65f1a in KNode::Scheduler::slotJobFinished (this=0x62fc990, job=0x7fff005d9400) at /var/tmp/portage/kde-base/knode-4.12.1-r1/work/knode-4.12.1/knode/scheduler.cpp:202
#15 0x00000035b3793054 in QMetaObject::activate (sender=0x135c9cd0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff005d9950) at kernel/qobject.cpp:3547
#16 0x00007f7ce5f67f6f in KNJobData::finished (this=<optimized out>, _t1=0x135c9cd0) at /var/tmp/portage/kde-base/knode-4.12.1-r1/work/knode-4.12.1_build/knode/knjobdata.moc:108
#17 0x00000035b379718e in QObject::event (this=0x135c9cd0, e=<optimized out>) at kernel/qobject.cpp:1194
#18 0x000000324e5de21c in QApplicationPrivate::notify_helper (this=this@entry=0x213e5c0, receiver=receiver@entry=0x135c9cd0, e=e@entry=0x1451a530) at kernel/qapplication.cpp:4562
#19 0x000000324e5e0ba2 in QApplication::notify (this=0x7fff005da430, receiver=0x135c9cd0, e=0x1451a530) at kernel/qapplication.cpp:4423
#20 0x000000324f453b66 in KApplication::notify (this=0x7fff005da430, receiver=0x135c9cd0, event=0x1451a530) at /var/tmp/portage/kde-base/kdelibs-4.12.1/work/kdelibs-4.12.1/kdeui/kernel/kapplication.cpp:311
#21 0x00000035b377d95e in QCoreApplication::notifyInternal (this=0x7fff005da430, receiver=receiver@entry=0x135c9cd0, event=event@entry=0x1451a530) at kernel/qcoreapplication.cpp:949
#22 0x00000035b3780f29 in sendEvent (event=0x1451a530, receiver=0x135c9cd0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#23 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x20fb1f0) at kernel/qcoreapplication.cpp:1573
#24 0x00000035b37abaf3 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#25 postEventSourceDispatch (s=s@entry=0x213e400) at kernel/qeventdispatcher_glib.cpp:280
#26 0x0000003c4e24a065 in g_main_dispatch (context=0x213e900) at /var/tmp/portage/dev-libs/glib-2.36.4-r1/work/glib-2.36.4/glib/gmain.c:3054
#27 g_main_context_dispatch (context=context@entry=0x213e900) at /var/tmp/portage/dev-libs/glib-2.36.4-r1/work/glib-2.36.4/glib/gmain.c:3630
#28 0x0000003c4e24a3a8 in g_main_context_iterate (context=context@entry=0x213e900, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /var/tmp/portage/dev-libs/glib-2.36.4-r1/work/glib-2.36.4/glib/gmain.c:3701
#29 0x0000003c4e24a464 in g_main_context_iteration (context=0x213e900, may_block=1) at /var/tmp/portage/dev-libs/glib-2.36.4-r1/work/glib-2.36.4/glib/gmain.c:3762
#30 0x00000035b37abc86 in QEventDispatcherGlib::processEvents (this=0x20fcad0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#31 0x000000324e67edde in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#32 0x00000035b377c60f in QEventLoop::processEvents (this=this@entry=0x7fff005da2a0, flags=...) at kernel/qeventloop.cpp:149
#33 0x00000035b377c898 in QEventLoop::exec (this=0x7fff005da2a0, flags=...) at kernel/qeventloop.cpp:204
#34 0x00000035b3781af8 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1221
#35 0x0000000000403909 in main (argc=1, argv=0x7fff005da578) at /var/tmp/portage/kde-base/kontact-4.12.1/work/kontact-4.12.1/kontact/src/main.cpp:219

The reporter indicates this bug may be a duplicate of or related to bug 297115.

Possible duplicates by query: bug 297115, bug 296595.

Reported using DrKonqi