Application: kontact (4.8.5)
KDE Platform Version: 4.8.5 (4.8.5)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-34-generic x86_64
Distribution: Ubuntu 12.04.1 LTS

-- Information about the crash:
<In detail, tell us what you were doing  when the application crashed.>

The crash can be reproduced every time.

-- 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 0x7f63d13a67c0 (LWP 3100))]

Thread 5 (Thread 0x7f63b47c4700 (LWP 3101)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f63cdba4dec in WTF::TCMalloc_PageHeap::scavengerThread (this=0x7f63ce56dde0) at wtf/FastMalloc.cpp:2495
#2  0x00007f63cdba4f19 in WTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at wtf/FastMalloc.cpp:1618
#3  0x00007f63c9066e9a in start_thread (arg=0x7f63b47c4700) at pthread_create.c:308
#4  0x00007f63ce8d7cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f63b3ec3700 (LWP 3102)):
#0  0x00007f63c906a05d in __pthread_mutex_unlock_usercnt (mutex=<optimized out>, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x7f63ac000a60) at pthread_mutex_unlock.c:290
#2  0x00007f63c8bd55d1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f63c8b997e2 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f63c8b99f5b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f63c8b9a164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f63cf04d426 in QEventDispatcherGlib::processEvents (this=0x7f63ac0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0x00007f63cf01cc82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007f63cf01ced7 in QEventLoop::exec (this=0x7f63b3ec2dc0, flags=...) at kernel/qeventloop.cpp:204
#9  0x00007f63cef1bfa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#10 0x00007f63cef1efcb in QThreadPrivate::start (arg=0x13792f0) at thread/qthread_unix.cpp:298
#11 0x00007f63c9066e9a in start_thread (arg=0x7f63b3ec3700) at pthread_create.c:308
#12 0x00007f63ce8d7cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f635f342700 (LWP 3147)):
#0  0x00007f63ce8cc303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f63c8b9a036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f63c8b9a164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f63cf04d426 in QEventDispatcherGlib::processEvents (this=0x7f63540008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f63cf01cc82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f63cf01ced7 in QEventLoop::exec (this=0x7f635f341d90, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f63cef1bfa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f63ceffc9ff in QInotifyFileSystemWatcherEngine::run (this=0x1c816d0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f63cef1efcb in QThreadPrivate::start (arg=0x1c816d0) at thread/qthread_unix.cpp:298
#9  0x00007f63c9066e9a in start_thread (arg=0x7f635f342700) at pthread_create.c:308
#10 0x00007f63ce8d7cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f63499f7700 (LWP 27889)):
#0  0x00007f63ce8cc303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f63c8b9a036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f63c8b9a164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f63cf04d426 in QEventDispatcherGlib::processEvents (this=0x7f633c02a610, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f63cf01cc82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f63cf01ced7 in QEventLoop::exec (this=0x7f63499f6d90, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f63cef1bfa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f63ceffc9ff in QInotifyFileSystemWatcherEngine::run (this=0x996b6a0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f63cef1efcb in QThreadPrivate::start (arg=0x996b6a0) at thread/qthread_unix.cpp:298
#9  0x00007f63c9066e9a in start_thread (arg=0x7f63499f7700) at pthread_create.c:308
#10 0x00007f63ce8d7cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f63d13a67c0 (LWP 3100)):
[KCrash Handler]
#6  QSharedDataPointer (o=..., this=0x7ffff4ce5cd0) at /usr/include/qt4/QtCore/qshareddata.h:93
#7  assignEntityPrivate (one=..., other=...) at ../../akonadi/entity.cpp:49
#8  0x00007f63cb394c9e in Akonadi::Entity::operator= (this=0x7ffff4ce5d10, other=...) at ../../akonadi/entity.cpp:116
#9  0x00007f636a9993f5 in operator= (this=0x7ffff4ce5d10) at /usr/include/akonadi/collection.h:75
#10 Message::ComposerViewBase::slotSaveMessage (this=0xb78cae0, job=0xcecb020) at ../../messagecomposer/composerviewbase.cpp:947
#11 0x00007f63cf032281 in QMetaObject::activate (sender=0xcecb020, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7ffff4ce5ec0) at kernel/qobject.cpp:3547
#12 0x00007f63cf4a8152 in KJob::result (this=<optimized out>, _t1=0xcecb020) at ./kjob.moc:208
#13 0x00007f63cf4a8190 in KJob::emitResult (this=0xcecb020) at ../../kdecore/jobs/kjob.cpp:318
#14 0x00007f63cf037446 in QObject::event (this=0xcecb020, e=<optimized out>) at kernel/qobject.cpp:1195
#15 0x00007f63cfa17894 in notify_helper (e=0x6f05cf0, receiver=0xcecb020, this=0x1374a00) at kernel/qapplication.cpp:4559
#16 QApplicationPrivate::notify_helper (this=0x1374a00, receiver=0xcecb020, e=0x6f05cf0) at kernel/qapplication.cpp:4531
#17 0x00007f63cfa1c713 in QApplication::notify (this=0x7ffff4ce6850, receiver=0xcecb020, e=0x6f05cf0) at kernel/qapplication.cpp:4420
#18 0x00007f63d07513f6 in KApplication::notify (this=0x7ffff4ce6850, receiver=0xcecb020, event=0x6f05cf0) at ../../kdeui/kernel/kapplication.cpp:311
#19 0x00007f63cf01de9c in QCoreApplication::notifyInternal (this=0x7ffff4ce6850, receiver=0xcecb020, event=0x6f05cf0) at kernel/qcoreapplication.cpp:876
#20 0x00007f63cf021c6a in sendEvent (event=0x6f05cf0, receiver=0xcecb020) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#21 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x133e380) at kernel/qcoreapplication.cpp:1500
#22 0x00007f63cf04cf93 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#23 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:279
#24 0x00007f63c8b99d53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f63c8b9a0a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f63c8b9a164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f63cf04d3bf in QEventDispatcherGlib::processEvents (this=0x133fc10, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#28 0x00007f63cfabfd5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#29 0x00007f63cf01cc82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#30 0x00007f63cf01ced7 in QEventLoop::exec (this=0x7ffff4ce67e0, flags=...) at kernel/qeventloop.cpp:204
#31 0x00007f63cf021f67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#32 0x0000000000403629 in main (argc=1, argv=0x7ffff4ce6e78) at ../../../kontact/src/main.cpp:218