I just closed text-ui and got this crash, can't really reproduce, but might still uncover some bug:

Application: Telepathy Text Ui (ktp-text-ui), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f6c86029840 (LWP 22270))]

Thread 3 (Thread 0x7f6c6d9bc700 (LWP 22271)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f6c7c645503 in WTF::TCMalloc_PageHeap::scavengerThread() () from /opt/project-neon/lib/libQtWebKit.so.4
#2  0x00007f6c7c644ae0 in WTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /opt/project-neon/lib/libQtWebKit.so.4
#3  0x00007f6c81d7cefc in start_thread (arg=0x7f6c6d9bc700) at pthread_create.c:304
#4  0x00007f6c8207389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f6c6d0bb700 (LWP 22272)):
#0  0x00007f6c82067773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f6c7dafaf68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6c7dafb429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6c83a7f3ee in QEventDispatcherGlib::processEvents (this=0x1b4caa0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f6c83a40aa8 in QEventLoop::processEvents (this=0x7f6c6d0bacd0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f6c83a40c32 in QEventLoop::exec (this=0x7f6c6d0bacd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f6c8390d2a7 in QThread::exec (this=0x19e3c60) at thread/qthread.cpp:501
#7  0x00007f6c8390d446 in QThread::run (this=0x19e3c60) at thread/qthread.cpp:568
#8  0x00007f6c8390fbd4 in QThreadPrivate::start (arg=0x19e3c60) at thread/qthread_unix.cpp:298
#9  0x00007f6c81d7cefc in start_thread (arg=0x7f6c6d0bb700) at pthread_create.c:304
#10 0x00007f6c8207389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f6c86029840 (LWP 22270)):
[KCrash Handler]
#6  0x00007f6c7d39bb70 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#7  0x00007f6c7d39e2f5 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#8  0x00007f6c7d8769f0 in g_object_unref () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#9  0x00007f6c7e1853f2 in ?? () from /usr/lib/libtelepathy-logger.so.2
#10 0x00007f6c7d8769f0 in g_object_unref () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#11 0x00007f6c7e1898a6 in ?? () from /usr/lib/libtelepathy-logger.so.2
#12 0x00007f6c7d8769f0 in g_object_unref () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#13 0x00007f6c83e3d6dc in QGlib::RefPointer<Tpl::LogManager>::clear (this=0x2728148) at /usr/include/QtGStreamer/QGlib/refpointer.h:318
#14 0x00007f6c83e3cb28 in QGlib::RefPointer<Tpl::LogManager>::~RefPointer (this=0x2728148, __in_chrg=<optimized out>) at /usr/include/QtGStreamer/QGlib/refpointer.h:212
#15 0x00007f6c83e3b0ab in LogManager::~LogManager (this=0x2728120, __in_chrg=<optimized out>) at /home/mck182/Work/Telepathy/qmlplugin/lib/logmanager.cpp:66
#16 0x00007f6c83e3b17a in LogManager::~LogManager (this=0x2728120, __in_chrg=<optimized out>) at /home/mck182/Work/Telepathy/qmlplugin/lib/logmanager.cpp:69
#17 0x00007f6c83a5d510 in QObjectPrivate::deleteChildren (this=0x2666ef0) at kernel/qobject.cpp:1908
#18 0x00007f6c8288c745 in QWidget::~QWidget (this=0x2356550, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1676
#19 0x00007f6c83e1a478 in ChatWidget::~ChatWidget (this=0x2356550, __in_chrg=<optimized out>) at /home/mck182/Work/Telepathy/qmlplugin/lib/chat-widget.cpp:199
#20 0x00000000004165bf in ChatTab::~ChatTab (this=0x2356550, __in_chrg=<optimized out>) at /home/mck182/Work/Telepathy/qmlplugin/app/chat-tab.cpp:45
#21 0x00000000004165f8 in ChatTab::~ChatTab (this=0x2356550, __in_chrg=<optimized out>) at /home/mck182/Work/Telepathy/qmlplugin/app/chat-tab.cpp:47
#22 0x00007f6c83a5d510 in QObjectPrivate::deleteChildren (this=0x1973090) at kernel/qobject.cpp:1908
#23 0x00007f6c8288c745 in QWidget::~QWidget (this=0x19abda0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1676
#24 0x00007f6c82d6d86c in QFrame::~QFrame (this=0x19abda0, __in_chrg=<optimized out>) at widgets/qframe.cpp:240
#25 0x00007f6c82de8c78 in QStackedWidget::~QStackedWidget (this=0x19abda0, __in_chrg=<optimized out>) at widgets/qstackedwidget.cpp:191
#26 0x00007f6c82de8cb0 in QStackedWidget::~QStackedWidget (this=0x19abda0, __in_chrg=<optimized out>) at widgets/qstackedwidget.cpp:193
#27 0x00007f6c83a5d510 in QObjectPrivate::deleteChildren (this=0x1f3eee0) at kernel/qobject.cpp:1908
#28 0x00007f6c8288c745 in QWidget::~QWidget (this=0x19ac730, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1676
#29 0x00007f6c82df6cd6 in QTabWidget::~QTabWidget (this=0x19ac730, __in_chrg=<optimized out>) at widgets/qtabwidget.cpp:365
#30 0x00007f6c85541e79 in KTabWidget::~KTabWidget (this=0x19ac730, __in_chrg=<optimized out>) at /build/buildd/project-neon-kdelibs-2+git20120214+r92459/kdeui/widgets/ktabwidget.cpp:254
#31 0x00007f6c85541eb2 in KTabWidget::~KTabWidget (this=0x19ac730, __in_chrg=<optimized out>) at /build/buildd/project-neon-kdelibs-2+git20120214+r92459/kdeui/widgets/ktabwidget.cpp:257
#32 0x00007f6c83a5d510 in QObjectPrivate::deleteChildren (this=0x194ee90) at kernel/qobject.cpp:1908
#33 0x00007f6c8288c745 in QWidget::~QWidget (this=0x1960180, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1676
#34 0x00007f6c82d8fd52 in QMainWindow::~QMainWindow (this=0x1960180, __in_chrg=<optimized out>) at widgets/qmainwindow.cpp:388
#35 0x00007f6c855135d1 in KMainWindow::~KMainWindow (this=0x1960180, __in_chrg=<optimized out>) at /build/buildd/project-neon-kdelibs-2+git20120214+r92459/kdeui/widgets/kmainwindow.cpp:467
#36 0x00007f6c85561752 in KXmlGuiWindow::~KXmlGuiWindow (this=0x1960180, __vtt_parm=0x41a5c8, __in_chrg=<optimized out>) at /build/buildd/project-neon-kdelibs-2+git20120214+r92459/kdeui/xmlgui/kxmlguiwindow.cpp:118
#37 0x00000000004114cc in ChatWindow::~ChatWindow (this=0x1960180, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at /home/mck182/Work/Telepathy/qmlplugin/app/chat-window.cpp:105
#38 0x0000000000411530 in ChatWindow::~ChatWindow (this=0x1960180, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at /home/mck182/Work/Telepathy/qmlplugin/app/chat-window.cpp:108
#39 0x00007f6c83a62db8 in qDeleteInEventHandler (o=0x1960180) at kernel/qobject.cpp:4277
#40 0x00007f6c83a5c1a6 in QObject::event (this=0x1960180, e=0x2880ce0) at kernel/qobject.cpp:1176
#41 0x00007f6c8289fa5c in QWidget::event (this=0x1960180, event=0x2880ce0) at kernel/qwidget.cpp:8821
#42 0x00007f6c82d91f08 in QMainWindow::event (this=0x1960180, event=0x2880ce0) at widgets/qmainwindow.cpp:1478
#43 0x00007f6c855161bb in KMainWindow::event (this=0x1960180, ev=0x2880ce0) at /build/buildd/project-neon-kdelibs-2+git20120214+r92459/kdeui/widgets/kmainwindow.cpp:1084
#44 0x00007f6c85561907 in KXmlGuiWindow::event (this=0x1960180, ev=0x2880ce0) at /build/buildd/project-neon-kdelibs-2+git20120214+r92459/kdeui/xmlgui/kxmlguiwindow.cpp:126
#45 0x000000000041518d in ChatWindow::event (this=0x1960180, e=0x2880ce0) at /home/mck182/Work/Telepathy/qmlplugin/app/chat-window.cpp:684
#46 0x00007f6c82839a9a in QApplicationPrivate::notify_helper (this=0x178ac30, receiver=0x1960180, e=0x2880ce0) at kernel/qapplication.cpp:4554
#47 0x00007f6c8283979c in QApplication::notify (this=0x1786740, receiver=0x1960180, e=0x2880ce0) at kernel/qapplication.cpp:4519
#48 0x00007f6c8542598b in KApplication::notify (this=0x1786740, receiver=0x1960180, event=0x2880ce0) at /build/buildd/project-neon-kdelibs-2+git20120214+r92459/kdeui/kernel/kapplication.cpp:311
#49 0x00007f6c83a431de in QCoreApplication::notifyInternal (this=0x1786740, receiver=0x1960180, event=0x2880ce0) at kernel/qcoreapplication.cpp:876
#50 0x00007f6c83a46d51 in QCoreApplication::sendEvent (receiver=0x1960180, event=0x2880ce0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#51 0x00007f6c83a441f2 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x1752670) at kernel/qcoreapplication.cpp:1500
#52 0x00007f6c83a43e13 in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1393
#53 0x00007f6c83a7fb1b in QCoreApplication::sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#54 0x00007f6c83a7eaf4 in postEventSourceDispatch (s=0x178d8d0) at kernel/qeventdispatcher_glib.cpp:279
#55 0x00007f6c7dafaa5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#56 0x00007f6c7dafb258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#57 0x00007f6c7dafb429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#58 0x00007f6c83a7f3cb in QEventDispatcherGlib::processEvents (this=0x1753b30, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#59 0x00007f6c829125c8 in QGuiEventDispatcherGlib::processEvents (this=0x1753b30, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#60 0x00007f6c83a40aa8 in QEventLoop::processEvents (this=0x7fff34e9ca50, flags=...) at kernel/qeventloop.cpp:149
#61 0x00007f6c83a40c32 in QEventLoop::exec (this=0x7fff34e9ca50, flags=...) at kernel/qeventloop.cpp:204
#62 0x00007f6c83a4385e in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#63 0x00007f6c82836ca2 in QApplication::exec () at kernel/qapplication.cpp:3815
#64 0x000000000040b879 in main (argc=1, argv=0x7fff34e9cf18) at /home/mck182/Work/Telepathy/qmlplugin/app/main.cpp:83