Application: kopete (1.7.3)
KDE Platform Version: 4.14.14
Qt Version: 4.8.7
Operating System: Linux 4.3.0-2-default x86_64
Distribution: "openSUSE Tumbleweed (20151124) (x86_64)"

-- Information about the crash:
Use Kopete normally, have one or more tabs open.  Once I close any
tab, be it with <Ctrl><W> or a mouse click, Kopete crashes.

The crash can be reproduced every time.

-- Backtrace:
Application: Kopete (kopete), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fc200060900 (LWP 4812))]

Thread 5 (Thread 0x7fc1e0bf5700 (LWP 4814)):
#0  0x00007fc1f6e724b9 in g_mutex_lock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007fc1f6e2e899 in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fc1f6e2f193 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fc1f6e2f36c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fc1fda6226e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#5  0x00007fc1fda323e1 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#6  0x00007fc1fda326f5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#7  0x00007fc1fd92ba59 in QThread::exec() () at /usr/lib64/libQtCore.so.4
#8  0x00007fc1fda134c3 in  () at /usr/lib64/libQtCore.so.4
#9  0x00007fc1fd92e23c in  () at /usr/lib64/libQtCore.so.4
#10 0x00007fc1f8fba4a4 in start_thread () at /lib64/libpthread.so.0
#11 0x00007fc1fc31fb9d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7fc1d99b8700 (LWP 4817)):
#0  0x00007fc1fc31720d in poll () at /lib64/libc.so.6
#1  0x00007fc1f6e2f264 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fc1f6e2f36c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fc1fda6226e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#4  0x00007fc1fda323e1 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#5  0x00007fc1fda326f5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#6  0x00007fc1da0afa0f in QCA::SyncThread::run() () at /usr/lib64/libqca.so.2
#7  0x00007fc1fd92e23c in  () at /usr/lib64/libQtCore.so.4
#8  0x00007fc1f8fba4a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007fc1fc31fb9d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7fc1d91b7700 (LWP 5295)):
#0  0x00007fc1fc31720d in poll () at /lib64/libc.so.6
#1  0x00007fc1f6e2f264 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fc1f6e2f36c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fc1f6e2f3a9 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fc1f6e54ee5 in  () at /usr/lib64/libglib-2.0.so.0
#5  0x00007fc1f8fba4a4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007fc1fc31fb9d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fc1d33b2700 (LWP 5296)):
#0  0x00007fc1fc3131ed in read () at /lib64/libc.so.6
#1  0x00007fc1f6e71210 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fc1f6e2ed94 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fc1f6e2f208 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fc1f6e2f5e2 in g_main_loop_run () at /usr/lib64/libglib-2.0.so.0
#5  0x00007fc1ed0c79c6 in  () at /usr/lib64/libgio-2.0.so.0
#6  0x00007fc1f6e54ee5 in  () at /usr/lib64/libglib-2.0.so.0
#7  0x00007fc1f8fba4a4 in start_thread () at /lib64/libpthread.so.0
#8  0x00007fc1fc31fb9d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fc200060900 (LWP 4812)):
[KCrash Handler]
#6  0x000055da8532de90 in  ()
#7  0x00007fc1fda48350 in QObject::disconnect(QObject const*, char const*, QObject const*, char const*) () at /usr/lib64/libQtCore.so.4
#8  0x00007fc1f55cfd79 in KParts::PartManager::~PartManager() () at /usr/lib64/libkparts.so.4
#9  0x00007fc1f55cff29 in KParts::PartManager::~PartManager() () at /usr/lib64/libkparts.so.4
#10 0x00007fc1fda4b0b1 in QObjectPrivate::deleteChildren() () at /usr/lib64/libQtCore.so.4
#11 0x00007fc1fda4d624 in QObject::~QObject() () at /usr/lib64/libQtCore.so.4
#12 0x00007fc1f55c9cf5 in KParts::Part::~Part() () at /usr/lib64/libkparts.so.4
#13 0x00007fc1db5e488d in KHTMLPart::~KHTMLPart() () at /usr/lib64/libkhtml.so.5
#14 0x00007fc1dbdd8f17 in ChatMessagePart::~ChatMessagePart() () at /usr/lib64/libkopetechatwindow_shared.so.1
#15 0x00007fc1dbdd9059 in ChatMessagePart::~ChatMessagePart() () at /usr/lib64/libkopetechatwindow_shared.so.1
#16 0x00007fc1fda4cad8 in QObject::event(QEvent*) () at /usr/lib64/libQtCore.so.4
#17 0x00007fc1fcb36f1c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#18 0x00007fc1fcb3d9ec in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#19 0x00007fc1fe4b265a in KApplication::notify(QObject*, QEvent*) () at /usr/lib64/libkdeui.so.5
#20 0x00007fc1fda33a1d in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQtCore.so.4
#21 0x00007fc1fda36e4e in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQtCore.so.4
#22 0x00007fc1fda620de in  () at /usr/lib64/libQtCore.so.4
#23 0x00007fc1f6e2f097 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#24 0x00007fc1f6e2f2c8 in  () at /usr/lib64/libglib-2.0.so.0
#25 0x00007fc1f6e2f36c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#26 0x00007fc1fda6224e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#27 0x00007fc1fcbda946 in  () at /usr/lib64/libQtGui.so.4
#28 0x00007fc1fda323e1 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#29 0x00007fc1fda326f5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#30 0x00007fc1fda37ef9 in QCoreApplication::exec() () at /usr/lib64/libQtCore.so.4
#31 0x000055da83c29d3f in  ()
#32 0x00007fc1fc256610 in __libc_start_main () at /lib64/libc.so.6
#33 0x000055da83c2a509 in _start ()

Reported using DrKonqi