Quassel IRC

I get this very often when my network connection is dropped.
Application that crashed: quasselclient
Version of the application: v0.6-rc1 (dist-fee817d)
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-20-generic x86_64
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
<In detail, tell us what you were doing when the application crashed.>

-- Backtrace:
Application: Quassel IRC (quasselclient), signal: Segmentation fault
The current source language is "auto; currently c".
[Current thread is 1 (Thread 0x7f3e110db7f0 (LWP 3904))]

Thread 2 (Thread 0x7f3dfa5b4910 (LWP 3907)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1 0x00007f3e10b2b4fb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#2 0x00007f3e0f7f278c in ?? () from /usr/lib/libQtNetwork.so.4
#3 0x00007f3e10b2a445 in ?? () from /usr/lib/libQtCore.so.4
#4 0x00007f3e108b6a04 in start_thread (arg=<value optimized out>) at pthread_create.c:300
#5 0x00007f3e0b25180d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f3e110db7f0 (LWP 3904)):
[KCrash Handler]
#4 0x00007f3e101893e0 in ?? () from /usr/lib/libQtGui.so.4
#5 0x00007f3e101894ed in QSortFilterProxyModel::mapToSource(QModelIndex const&) const () from /usr/lib/libQtGui.so.4
#6 0x00007f3e10182ff6 in QSortFilterProxyModel::data(QModelIndex const&, int) const () from /usr/lib/libQtGui.so.4
#7 0x000000000052f4d8 in QModelIndex::data (this=0xed7590) at /usr/include/qt4/QtCore/qabstractitemmodel.h:378
#8 ToolBarActionProvider::updateStates (this=0xed7590) at /home/dmb/Downloads/quassel-0.6-rc1/src/uisupport/toolbaractionprovider.cpp:75
#9 0x0000000000541d01 in ToolBarActionProvider::qt_metacall (this=0xed7590, _c=QMetaObject::InvokeMetaMethod, _id=15562232, _a=0x7fffdb61cfd0)
at /home/dmb/Downloads/quassel-0.6-rc1/src/uisupport/moc_toolbaractionprovider.cxx:86
#10 0x00007f3e10c25ddc in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#11 0x00000000004b93d0 in NickListWidget::nickSelectionChanged (this=0x26, _t1=<value optimized out>) at /home/dmb/Downloads/quassel-0.6-rc1/src/qtui/moc_nicklistwidget.cxx:96
#12 0x0000000000443c83 in NickListWidget::hideEvent (this=0x26, event=0x7fffdb61d570) at /home/dmb/Downloads/quassel-0.6-rc1/src/qtui/nicklistwidget.cpp:50
#13 0x00007f3e0fc7a3c9 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#14 0x00007f3e0fc2befc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#15 0x00007f3e0fc331ce in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#16 0x00007f3e0ca0fab6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#17 0x00007f3e10c10c2c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#18 0x00007f3e0fc792a4 in QWidgetPrivate::hideChildren(bool) () from /usr/lib/libQtGui.so.4
#19 0x00007f3e0fc79271 in QWidgetPrivate::hideChildren(bool) () from /usr/lib/libQtGui.so.4
#20 0x00007f3e0fc98229 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#21 0x00007f3e0fcc0d0c in ?? () from /usr/lib/libQtGui.so.4
#22 0x00007f3e0d927bce in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#23 0x00007f3e0d92b598 in ?? () from /lib/libglib-2.0.so.0
#24 0x00007f3e0d92b6c0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#25 0x00007f3e10c391a6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#26 0x00007f3e0fcc04be in ?? () from /usr/lib/libQtGui.so.4
#27 0x00007f3e10c0f532 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#28 0x00007f3e10c0f904 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#29 0x00007f3e10c11ab9 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#30 0x0000000000436c5d in main (argc=1, argv=<value optimized out>) at /home/dmb/Downloads/quassel-0.6-rc1/src/common/main.cpp:139
The current source language is "auto; currently asm".
The current source language is "auto; currently c".

Report to http://bugs.quassel-irc.org/projects/quassel-irc/issues/new