Application: ktp-contactlist (0.6.2)
KDE Platform Version: 4.10.80 (Compiled from sources)
Qt Version: 4.8.5
Operating System: Linux 3.9.6-1-ARCH x86_64
Distribution: "Arch Linux"

-- Information about the crash:
After getting a bunch of dialogs asking me to "confirm" the password of a couple of accounts and clicking Accept on one and "Esc" to the other I opened the contact list and changed the combo box from offline to online. Then contact list crashed.

-- Backtrace:
Application: KDE Telepathy Contact List (ktp-contactlist), signal: Aborted
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fc49d1ef780 (LWP 1387))]

Thread 3 (Thread 0x7fc4862b2700 (LWP 1388)):
#0  0x00007fc496fd108d in poll () from /usr/lib/libc.so.6
#1  0x00007fc49a237094 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007fc49a23719c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007fc4862b99fd in ?? () from /usr/lib/gio/modules/libdconfsettings.so
#4  0x00007fc49a25b0a5 in ?? () from /usr/lib/libglib-2.0.so.0
#5  0x00007fc498769dd2 in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007fc496fd9cdd in clone () from /usr/lib/libc.so.6

Thread 2 (Thread 0x7fc485ab1700 (LWP 1389)):
#0  0x00007fc49876cd8e in __pthread_mutex_unlock_usercnt () from /usr/lib/libpthread.so.0
#1  0x00007fc49a276181 in g_mutex_unlock () from /usr/lib/libglib-2.0.so.0
#2  0x00007fc49a236730 in g_main_context_prepare () from /usr/lib/libglib-2.0.so.0
#3  0x00007fc49a236fb3 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007fc49a2374fa in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#5  0x00007fc499d0d326 in ?? () from /usr/lib/libgio-2.0.so.0
#6  0x00007fc49a25b0a5 in ?? () from /usr/lib/libglib-2.0.so.0
#7  0x00007fc498769dd2 in start_thread () from /usr/lib/libpthread.so.0
#8  0x00007fc496fd9cdd in clone () from /usr/lib/libc.so.6

Thread 1 (Thread 0x7fc49d1ef780 (LWP 1387)):
[KCrash Handler]
#6  0x00007fc496f291c9 in raise () from /usr/lib/libc.so.6
#7  0x00007fc496f2a5c8 in abort () from /usr/lib/libc.so.6
#8  0x00007fc49a55d8df in qt_message_output(QtMsgType, char const*) () from /usr/lib/libQtCore.so.4
#9  0x00007fc49a55da69 in ?? () from /usr/lib/libQtCore.so.4
#10 0x00007fc49a55e274 in qFatal(char const*, ...) () from /usr/lib/libQtCore.so.4
#11 0x00007fc49cb91ca7 in Tp::ContactManager::Roster::onContactListContactsUpgraded (this=0x1c876f0, op=0x1d296c0) at /home/afiestas/kde/source/telepathy-qt/TelepathyQt/contact-manager-roster.cpp:1354
#12 0x00007fc49cb86ad1 in Tp::ContactManager::Roster::qt_static_metacall (_o=0x1c876f0, _c=QMetaObject::InvokeMetaMethod, _id=21, _a=0x7fff99173220) at /home/afiestas/kde/build/telepathy-qt/TelepathyQt/_gen/contact-manager-internal.moc.hpp:147
#13 0x00007fc49a67b8ec in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#14 0x00007fc49cc09935 in Tp::PendingOperation::finished (this=0x1d296c0, _t1=0x1d296c0) at /home/afiestas/kde/build/telepathy-qt/TelepathyQt/_gen/pending-operation.moc.hpp:112
#15 0x00007fc49cc0a017 in Tp::PendingOperation::emitFinished (this=0x1d296c0) at /home/afiestas/kde/source/telepathy-qt/TelepathyQt/pending-operation.cpp:123
#16 0x00007fc49cc097f0 in Tp::PendingOperation::qt_static_metacall (_o=0x1d296c0, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0x1ca2cc0) at /home/afiestas/kde/build/telepathy-qt/TelepathyQt/_gen/pending-operation.moc.hpp:63
#17 0x00007fc49a67fc5e in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#18 0x00007fc497c820ac in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#19 0x00007fc497c88670 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#20 0x00007fc49bda30ff in KApplication::notify (this=0x7fff99173980, receiver=0x1d296c0, event=0x1ceef10) at /home/afiestas/kde/source/kdelibs/kdeui/kernel/kapplication.cpp:311
#21 0x00007fc49a667c3d in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#22 0x00007fc49a66ac8f in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#23 0x00007fc49a694ef3 in ?? () from /usr/lib/libQtCore.so.4
#24 0x00007fc49a236da6 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#25 0x00007fc49a2370f8 in ?? () from /usr/lib/libglib-2.0.so.0
#26 0x00007fc49a23719c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#27 0x00007fc49a6948d5 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#28 0x00007fc497d1f066 in ?? () from /usr/lib/libQtGui.so.4
#29 0x00007fc49a66696f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#30 0x00007fc49a666c65 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#31 0x00007fc49a66bccb in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#32 0x000000000043d32b in main (argc=1, argv=0x7fff99173c48) at /home/afiestas/kde/source/ktp-contact-list/main.cpp:63

Reported using DrKonqi