Application: kontact (4.4.2)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-24-generic x86_64
Distribution: Ubuntu 10.04.1 LTS

-- Information about the crash:
Kontact crashes on closing with the close button.
Window decorator used: kwin

The crash can be reproduced every time.

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fd507800780 (LWP 6560))]

Thread 2 (Thread 0x7fd4e296a710 (LWP 6653)):
#0  0x00007fd5048dbf83 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fd4fd4104a9 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007fd4fd4108fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007fd505cc7566 in QEventDispatcherGlib::processEvents (this=0x269d8f0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:414
#4  0x00007fd505c9c992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007fd505c9cd6c in QEventLoop::exec (this=0x7fd4e2969d90, flags=) at kernel/qeventloop.cpp:201
#6  0x00007fd505ba6d59 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:487
#7  0x00007fd505c7d178 in QInotifyFileSystemWatcherEngine::run (this=0x26ac5c0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fd505ba9775 in QThreadPrivate::start (arg=0x26ac5c0) at thread/qthread_unix.cpp:248
#9  0x00007fd4ff9879ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#10 0x00007fd5048e86fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fd507800780 (LWP 6560)):
[KCrash Handler]
#5  0x00007fd506e6e84a in KontactInterface::Plugin::part() () from /usr/lib/libkontactinterface.so.4
#6  0x00007fd4eeeb57e1 in ?? () from /usr/lib/kde4/kontact_todoplugin.so
#7  0x00007fd506e700a9 in KontactInterface::UniqueAppHandler::newInstance(QByteArray const&, QByteArray const&) () from /usr/lib/libkontactinterface.so.4
#8  0x00007fd506e70114 in KontactInterface::UniqueAppHandler::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkontactinterface.so.4
#9  0x00007fd5030e9486 in QDBusConnectionPrivate::deliverCall (this=<value optimized out>, object=<value optimized out>, msg=<value optimized out>, metaTypes=..., slotIdx=<value optimized out>)
    at qdbusintegrator.cpp:904
#10 0x00007fd5030ea6ef in QDBusConnectionPrivate::activateCall (this=<value optimized out>, object=0x23b4bf0, flags=272, msg=...) at qdbusintegrator.cpp:809
#11 0x00007fd5030eaf0e in QDBusConnectionPrivate::activateObject (this=<value optimized out>, node=<value optimized out>, msg=..., pathStartPos=<value optimized out>) at qdbusintegrator.cpp:1383
#12 0x00007fd5030eb468 in QDBusActivateObjectEvent::placeMetaCall (this=0x2b367d0) at qdbusintegrator.cpp:1477
#13 0x00007fd505cadd49 in QObject::event (this=0x23b4bf0, e=0x2b367d0) at kernel/qobject.cpp:1248
#14 0x00007fd50505722c in QApplicationPrivate::notify_helper (this=0x1d544c0, receiver=0x23b4bf0, e=0x2b367d0) at kernel/qapplication.cpp:4300
#15 0x00007fd50505d6fb in QApplication::notify (this=0x7fff692deec0, receiver=0x23b4bf0, e=0x2b367d0) at kernel/qapplication.cpp:4183
#16 0x00007fd506686526 in KApplication::notify (this=0x7fff692deec0, receiver=0x23b4bf0, event=0x2b367d0) at ../../kdeui/kernel/kapplication.cpp:302
#17 0x00007fd505c9e06c in QCoreApplication::notifyInternal (this=0x7fff692deec0, receiver=0x23b4bf0, event=0x2b367d0) at kernel/qcoreapplication.cpp:704
#18 0x00007fd505ca07e7 in QCoreApplication::sendEvent (receiver=0x0, event_type=<value optimized out>, data=0x1d295a0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#19 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0x1d295a0) at kernel/qcoreapplication.cpp:1345
#20 0x00007fd505cc79d3 in QCoreApplication::sendPostedEvents (s=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#21 postEventSourceDispatch (s=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:276
#22 0x00007fd4fd40c8c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#23 0x00007fd4fd410748 in ?? () from /lib/libglib-2.0.so.0
#24 0x00007fd4fd4108fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#25 0x00007fd505cc7513 in QEventDispatcherGlib::processEvents (this=0x1d28cf0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#26 0x00007fd50510746e in QGuiEventDispatcherGlib::processEvents (this=0x23b8250, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#27 0x00007fd505c9c992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#28 0x00007fd505c9cd6c in QEventLoop::exec (this=0x7fff692dee00, flags=) at kernel/qeventloop.cpp:201
#29 0x00007fd505ca0aab in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#30 0x0000000000403e8e in _start ()

Possible duplicates by query: bug 248611, bug 248582, bug 247000, bug 246954, bug 246813.

Reported using DrKonqi