Application: kmail (4.8 pre)
KDE Platform Version: 4.7.2 (4.7.2)
Qt Version: 4.7.4
Operating System: Linux 3.0-ARCH x86_64

-- Information about the crash:
I just got this assert when trying to open kmail's settings dialog:

kmail: /home/milian/projects/kde4/kdepim/kmail/configuredialog.cpp:753: AppearancePageFontsTab::AppearancePageFontsTab(QWidget*): Assertion `numFontNames == sizeof mFont / sizeof *mFont' failed.

-- Backtrace:
Application: KMail (kmail), signal: Aborted
[Current thread is 1 (Thread 0x7f571822e780 (LWP 17378))]

Thread 4 (Thread 0x7f56fbe1a700 (LWP 17406)):
#0  0x00007f5711790613 in select () from /lib/libc.so.6
#1  0x00007f57125204a1 in ?? () from /usr/lib/libQtCore.so.4
#2  0x00007f5712457bc5 in ?? () from /usr/lib/libQtCore.so.4
#3  0x00007f57121cdda0 in start_thread () from /lib/libpthread.so.0
#4  0x00007f57117967dd in clone () from /lib/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f56fb569700 (LWP 17426)):
#0  0x00007f57121d1b04 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007f570b5555ba in ?? () from /usr/lib/libQtWebKit.so.4
#2  0x00007f570b5556a9 in ?? () from /usr/lib/libQtWebKit.so.4
#3  0x00007f57121cdda0 in start_thread () from /lib/libpthread.so.0
#4  0x00007f57117967dd in clone () from /lib/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f56fad68700 (LWP 17427)):
#0  0x00007f571178e563 in poll () from /lib/libc.so.6
#1  0x00007f5707cf7d08 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f5707cf81c9 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f5712569606 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#4  0x00007f571253da92 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#5  0x00007f571253dc97 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#6  0x00007f571245513f in QThread::exec() () from /usr/lib/libQtCore.so.4
#7  0x00007f5712457bc5 in ?? () from /usr/lib/libQtCore.so.4
#8  0x00007f57121cdda0 in start_thread () from /lib/libpthread.so.0
#9  0x00007f57117967dd in clone () from /lib/libc.so.6
#10 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f571822e780 (LWP 17378)):
[KCrash Handler]
#6  0x00007f57116f7735 in raise () from /lib/libc.so.6
#7  0x00007f57116f8bab in abort () from /lib/libc.so.6
#8  0x00007f57116f057e in ?? () from /lib/libc.so.6
#9  0x00007f57116f0622 in __assert_fail () from /lib/libc.so.6
#10 0x00007f5716f371e9 in AppearancePageFontsTab::AppearancePageFontsTab (this=0x32a58e0, parent=0x0) at /home/milian/projects/kde4/kdepim/kmail/configuredialog.cpp:753
#11 0x00007f5716f36cff in AppearancePage::AppearancePage (this=0x327acf0, instance=..., parent=0x1439c50) at /home/milian/projects/kde4/kdepim/kmail/configuredialog.cpp:682
#12 0x00007f56f10c913b in create_kmail_config_appearance (parent=0x1439c50) at /home/milian/projects/kde4/kdepim/kmail/kcm_kmail.cpp:50
#13 0x00007f570dbc374c in KCModuleLoader::loadModule(KCModuleInfo const&, KCModuleLoader::ErrorReporting, QWidget*, QStringList const&) () from /usr/lib/libkcmutils.so.4
#14 0x00007f570dbc7aa8 in ?? () from /usr/lib/libkcmutils.so.4
#15 0x00007f570dbc87c5 in KCModuleProxy::realModule() const () from /usr/lib/libkcmutils.so.4
#16 0x00007f570dbc8ac9 in KCModuleProxy::useRootOnlyMessage() const () from /usr/lib/libkcmutils.so.4
#17 0x00007f570dbc4b54 in KCMultiDialog::addModule(KCModuleInfo const&, KPageWidgetItem*, QStringList const&) () from /usr/lib/libkcmutils.so.4
#18 0x00007f570dbc59c3 in KCMultiDialog::addModule(QString const&, QStringList const&) () from /usr/lib/libkcmutils.so.4
#19 0x00007f5716f3383e in ConfigureDialog::ConfigureDialog (this=0x31be420, parent=0x0, modal=false) at /home/milian/projects/kde4/kdepim/kmail/configuredialog.cpp:217
#20 0x00007f5716f85eef in KMKernel::slotShowConfigurationDialog (this=0x7fffdf1c1430) at /home/milian/projects/kde4/kdepim/kmail/kmkernel.cpp:1325
#21 0x00007f5716f89c1d in KMKernel::qt_metacall (this=0x7fffdf1c1430, _c=QMetaObject::InvokeMetaMethod, _id=27, _a=0x7fffdf1bfde0) at /home/milian/projects/.build/kde4/kdepim/kmail/kmkernel.moc:200
#22 0x00007f57125515ea in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#23 0x00007f57132144d2 in QAction::triggered(bool) () from /usr/lib/libQtGui.so.4
#24 0x00007f57132146bf in QAction::activate(QAction::ActionEvent) () from /usr/lib/libQtGui.so.4
#25 0x00007f571364a699 in ?? () from /usr/lib/libQtGui.so.4
#26 0x00007f57136502e2 in ?? () from /usr/lib/libQtGui.so.4
#27 0x00007f5717cfdec0 in KMenu::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libkdeui.so.5
#28 0x00007f571326b0fa in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#29 0x00007f571365188b in QMenu::event(QEvent*) () from /usr/lib/libQtGui.so.4
#30 0x00007f571321aae4 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#31 0x00007f5713220252 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#32 0x00007f5717c3bbb6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#33 0x00007f571253e89c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#34 0x00007f571321bab2 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib/libQtGui.so.4
#35 0x00007f5713298401 in ?? () from /usr/lib/libQtGui.so.4
#36 0x00007f5713296bda in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#37 0x00007f57132be282 in ?? () from /usr/lib/libQtGui.so.4
#38 0x00007f5707cf77fd in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#39 0x00007f5707cf7ff8 in ?? () from /usr/lib/libglib-2.0.so.0
#40 0x00007f5707cf81c9 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#41 0x00007f5712569606 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#42 0x00007f57132bdeee in ?? () from /usr/lib/libQtGui.so.4
#43 0x00007f571253da92 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#44 0x00007f571253dc97 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#45 0x00007f5712541eab in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#46 0x0000000000403686 in main (argc=1, argv=0x7fffdf1c1698) at /home/milian/projects/kde4/kdepim/kmail/main.cpp:145

Reported using DrKonqi