Application: kontact (4.14.7)
KDE Platform Version: 4.14.7
Qt Version: 4.8.6
Operating System: Linux 3.19.0-16-generic x86_64
Distribution: Ubuntu 15.04

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

I was logging out of my account with Kontact still running. After the screen turned black (as always on log out) Kontact crashed.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f804709f800 (LWP 2637))]

Thread 6 (Thread 0x7f8027521700 (LWP 2638)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f8041d5181d in WTF::TCMalloc_PageHeap::scavengerThread() () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f8041d51859 in WTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f803e4496aa in start_thread (arg=0x7f8027521700) at pthread_create.c:333
#4  0x00007f804458eeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f7fe6c1e700 (LWP 2641)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f8041a9220d in JSC::BlockAllocator::blockFreeingThreadMain() () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f8041d80fd6 in WTF::wtfThreadEntryPoint(void*) () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f803e4496aa in start_thread (arg=0x7f7fe6c1e700) at pthread_create.c:333
#4  0x00007f804458eeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f7fd719d700 (LWP 2647)):
#0  0x00007f804458fe9d in recvmsg () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f80445aa7fd in __netlink_request (h=h@entry=0x7f7fd719b9e0, type=type@entry=22) at ../sysdeps/unix/sysv/linux/ifaddrs.c:164
#2  0x00007f80445aab36 in getifaddrs_internal (ifap=ifap@entry=0x7f7fd719bae8) at ../sysdeps/unix/sysv/linux/ifaddrs.c:339
#3  0x00007f80445ab860 in __getifaddrs (ifap=0x7f7fd719bae8) at ../sysdeps/unix/sysv/linux/ifaddrs.c:821
#4  0x00007f803f4f2a12 in interfaceListing () at kernel/qnetworkinterface_unix.cpp:411
#5  QNetworkInterfaceManager::scan (this=<optimized out>) at kernel/qnetworkinterface_unix.cpp:455
#6  0x00007f803f4ed5ce in QNetworkInterfaceManager::allInterfaces (this=<optimized out>) at kernel/qnetworkinterface.cpp:116
#7  0x00007f803f4ee194 in QNetworkInterface::allInterfaces () at kernel/qnetworkinterface.cpp:542
#8  0x00007f7fd654a6e0 in QGenericEngine::doRequestUpdate (this=0x2da1c50) at qgenericengine.cpp:202
#9  0x00007f8044cf09bc in QMetaMethod::invoke (this=this@entry=0x7f7fd719c260, object=object@entry=0x2da1c50, connectionType=Qt::DirectConnection, connectionType@entry=Qt::AutoConnection, returnValue=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1664
#10 0x00007f8044cf2efe in QMetaObject::invokeMethod (obj=obj@entry=0x2da1c50, member=member@entry=0x7f803f53e8c4 "requestUpdate", type=type@entry=Qt::AutoConnection, ret=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1179
#11 0x00007f803f4d8362 in invokeMethod (val9=..., val8=..., val7=..., val6=..., val5=..., val4=..., val3=..., val2=..., val1=..., val0=..., member=0x7f803f53e8c4 "requestUpdate", obj=0x2da1c50) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs.h:434
#12 QNetworkConfigurationManagerPrivate::pollEngines (this=0x2d9ee80) at bearer/qnetworkconfigmanager_p.cpp:491
#13 0x00007f803f537d2d in QNetworkConfigurationManagerPrivate::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/release-shared/moc_qnetworkconfigmanager_p.cpp:83
#14 0x00007f8044cfd19c in QMetaObject::activate (sender=0x7f7fd0012290, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3567
#15 0x00007f8044d01763 in QObject::event (this=0x7f7fd0012290, e=<optimized out>) at kernel/qobject.cpp:1253
#16 0x00007f80456f59bc in QApplicationPrivate::notify_helper (this=this@entry=0x20f12e0, receiver=receiver@entry=0x7f7fd0012290, e=e@entry=0x7f7fd719cb80) at kernel/qapplication.cpp:4570
#17 0x00007f80456fc4d8 in QApplication::notify (this=this@entry=0x7ffdb7cbead0, receiver=receiver@entry=0x7f7fd0012290, e=e@entry=0x7f7fd719cb80) at kernel/qapplication.cpp:4356
#18 0x00007f8046457c1a in KApplication::notify (this=0x7ffdb7cbead0, receiver=0x7f7fd0012290, event=0x7f7fd719cb80) at ../../kdeui/kernel/kapplication.cpp:311
#19 0x00007f8044ce817d in QCoreApplication::notifyInternal (this=0x7ffdb7cbead0, receiver=0x7f7fd0012290, event=event@entry=0x7f7fd719cb80) at kernel/qcoreapplication.cpp:955
#20 0x00007f8044d19e3b in sendEvent (event=0x7f7fd719cb80, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#21 QTimerInfoList::activateTimers (this=0x7f7fd00030e0) at kernel/qeventdispatcher_unix.cpp:621
#22 0x00007f8044d16e41 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:193
#23 0x00007f803df63c3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f803df63f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f803df63fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f8044d1782e in QEventDispatcherGlib::processEvents (this=0x7f7fd00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:452
#27 0x00007f8044ce6cd1 in QEventLoop::processEvents (this=this@entry=0x7f7fd719cdd0, flags=...) at kernel/qeventloop.cpp:149
#28 0x00007f8044ce7035 in QEventLoop::exec (this=this@entry=0x7f7fd719cdd0, flags=...) at kernel/qeventloop.cpp:204
#29 0x00007f8044bdae89 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:538
#30 0x00007f8044bdd6ff in QThreadPrivate::start (arg=0x21eccf0) at thread/qthread_unix.cpp:349
#31 0x00007f803e4496aa in start_thread (arg=0x7f7fd719d700) at pthread_create.c:333
#32 0x00007f804458eeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f7fd52a4700 (LWP 2653)):
#0  0x00007f803dfa8789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f803df6373e in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f803df63e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f803df63fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8044d1782e in QEventDispatcherGlib::processEvents (this=0x7f7fc80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:452
#5  0x00007f8044ce6cd1 in QEventLoop::processEvents (this=this@entry=0x7f7fd52a3d80, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f8044ce7035 in QEventLoop::exec (this=this@entry=0x7f7fd52a3d80, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f8044bdae89 in QThread::exec (this=this@entry=0x2fdd060) at thread/qthread.cpp:538
#8  0x00007f8044cc7443 in QInotifyFileSystemWatcherEngine::run (this=0x2fdd060) at io/qfilesystemwatcher_inotify.cpp:265
#9  0x00007f8044bdd6ff in QThreadPrivate::start (arg=0x2fdd060) at thread/qthread_unix.cpp:349
#10 0x00007f803e4496aa in start_thread (arg=0x7f7fd52a4700) at pthread_create.c:333
#11 0x00007f804458eeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f7fcf298700 (LWP 2951)):
#0  0x00007f8044585743 in select () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f8044cc3bbf in QProcessManager::run (this=0x7f80450515e0 <processManager()::processManager>) at io/qprocess_unix.cpp:270
#2  0x00007f8044bdd6ff in QThreadPrivate::start (arg=0x7f80450515e0 <processManager()::processManager>) at thread/qthread_unix.cpp:349
#3  0x00007f803e4496aa in start_thread (arg=0x7f7fcf298700) at pthread_create.c:333
#4  0x00007f804458eeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f804709f800 (LWP 2637)):
[KCrash Handler]
#6  0x0000000000000021 in ?? ()
#7  0x00007f7fd60ac526 in Akregator::LoadFeedListCommand::Private::doLoad (this=0x73d9de0) at ../../../akregator/src/loadfeedlistcommand.cpp:132
#8  0x00007f7fd60acd9a in Akregator::LoadFeedListCommand::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./moc_loadfeedlistcommand.cpp:54
#9  0x00007f8044cfd19c in QMetaObject::activate (sender=sender@entry=0x7413560, m=m@entry=0x7f804504b580 <QSingleShotTimer::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3567
#10 0x00007f8044d064ca in timeout (this=0x7413560) at .moc/release-shared/qtimer.moc:96
#11 QSingleShotTimer::timerEvent (this=0x7413560) at kernel/qtimer.cpp:317
#12 0x00007f8044d01763 in QObject::event (this=0x7413560, e=<optimized out>) at kernel/qobject.cpp:1253
#13 0x00007f80456f59bc in QApplicationPrivate::notify_helper (this=this@entry=0x20f12e0, receiver=receiver@entry=0x7413560, e=e@entry=0x7ffdb7cbe5a0) at kernel/qapplication.cpp:4570
#14 0x00007f80456fc4d8 in QApplication::notify (this=this@entry=0x7ffdb7cbead0, receiver=receiver@entry=0x7413560, e=e@entry=0x7ffdb7cbe5a0) at kernel/qapplication.cpp:4356
#15 0x00007f8046457c1a in KApplication::notify (this=0x7ffdb7cbead0, receiver=0x7413560, event=0x7ffdb7cbe5a0) at ../../kdeui/kernel/kapplication.cpp:311
#16 0x00007f8044ce817d in QCoreApplication::notifyInternal (this=0x7ffdb7cbead0, receiver=0x7413560, event=event@entry=0x7ffdb7cbe5a0) at kernel/qcoreapplication.cpp:955
#17 0x00007f8044d19e3b in sendEvent (event=0x7ffdb7cbe5a0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#18 QTimerInfoList::activateTimers (this=0x20e7c80) at kernel/qeventdispatcher_unix.cpp:621
#19 0x00007f8044d16e41 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:193
#20 0x00007f803df63c3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f803df63f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f803df63fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f8044d1780e in QEventDispatcherGlib::processEvents (this=0x208f1b0, flags=...) at kernel/qeventdispatcher_glib.cpp:450
#24 0x00007f804579dc66 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#25 0x00007f8044ce6cd1 in QEventLoop::processEvents (this=this@entry=0x7ffdb7cbe820, flags=...) at kernel/qeventloop.cpp:149
#26 0x00007f8044ce7035 in QEventLoop::exec (this=0x7ffdb7cbe820, flags=...) at kernel/qeventloop.cpp:204
#27 0x00007f804517f7e3 in KJob::exec (this=this@entry=0x2877920) at ../../kdecore/jobs/kjob.cpp:210
#28 0x00007f7fdceb6576 in KMKernel::cleanup (this=0x2785350) at ../../kmail/kmkernel.cpp:1299
#29 0x00007f7fdd29312a in KMailPart::~KMailPart (this=this@entry=0x25e4900, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ../../kmail/kmail_part.cpp:114
#30 0x00007f7fdd293389 in KMailPart::~KMailPart (this=0x25e4900, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ../../kmail/kmail_part.cpp:116
#31 0x00007f8046cf1b2e in KontactInterface::Plugin::~Plugin (this=0x247e7e0, __vtt_parm=<optimized out>, __in_chrg=<optimized out>) at ../../kontactinterface/plugin.cpp:92
#32 0x00007f7fdf95c846 in KMailPlugin::~KMailPlugin (this=0x247e7e0, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ../../../../kontact/plugins/kmail/kmail_plugin.cpp:173
#33 0x00007f7fdf95c869 in KMailPlugin::~KMailPlugin (this=0x247e7e0, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ../../../../kontact/plugins/kmail/kmail_plugin.cpp:177
#34 0x00007f80468b856e in Kontact::MainWindow::~MainWindow (this=this@entry=0x2217fb0, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ../../../kontact/src/mainwindow.cpp:296
#35 0x00007f80468b86e9 in Kontact::MainWindow::~MainWindow (this=0x2217fb0, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ../../../kontact/src/mainwindow.cpp:298
#36 0x000000000040354f in qDeleteAll<QList<KMainWindow*>::const_iterator> (end=..., begin=...) at /usr/include/qt4/QtCore/qalgorithms.h:322
#37 qDeleteAll<QList<KMainWindow*> > (c=...) at /usr/include/qt4/QtCore/qalgorithms.h:330
#38 main (argc=<optimized out>, argv=0x7ffdb7cbec28) at ../../../kontact/src/main.cpp:220

Possible duplicates by query: bug 331119, bug 330646, bug 327100, bug 321426.

Reported using DrKonqi