Application: kmix (3.8)
KDE Platform Version: 4.6.5 (4.6.5) (Compiled from sources)
Qt Version: 4.7.3
Operating System: FreeBSD 9.0-BETA1 i386
Distribution (Platform): FreeBSD Ports

-- Information about the crash:
- What I was doing when the application crashed: Trying to close one of two tabs saying they were being redrawn. This is 100% reproduceable.

-- Backtrace:
Application: KMix (kdeinit4), signal: Segmentation fault: 11
[Current thread is 1 (Thread 2a409400 (LWP 100506/kdeinit4))]

Thread 2 (Thread 2a404300 (LWP 100500/kdeinit4)):
[KCrash Handler]
#9  0x2e229f74 in KMixWindow::saveAndCloseView () from /usr/local/kde4/lib/libkdeinit4_kmix.so
#10 0x2e22fac9 in KMixWindow::qt_metacall () from /usr/local/kde4/lib/libkdeinit4_kmix.so
#11 0x28ceac53 in QMetaObject::metacall () from /usr/local/lib/qt4/libQtCore.so.4
#12 0x28cfb47f in QMetaObject::activate () from /usr/local/lib/qt4/libQtCore.so.4
#13 0x294fbbd3 in QTabWidget::tabCloseRequested () from /usr/local/lib/qt4/libQtGui.so.4
#14 0x294fe0dc in QTabWidget::qt_metacall () from /usr/local/lib/qt4/libQtGui.so.4
#15 0x2844e72a in KTabWidget::qt_metacall () from /usr/local/kde4/lib/libkdeui.so.7
#16 0x28ceac53 in QMetaObject::metacall () from /usr/local/lib/qt4/libQtCore.so.4
#17 0x28cfb47f in QMetaObject::activate () from /usr/local/lib/qt4/libQtCore.so.4
#18 0x294f08e3 in QTabBar::tabCloseRequested () from /usr/local/lib/qt4/libQtGui.so.4
#19 0x294f10e9 in QTabBarPrivate::_q_closeTab () from /usr/local/lib/qt4/libQtGui.so.4
#20 0x294f9088 in QTabBar::qt_metacall () from /usr/local/lib/qt4/libQtGui.so.4
#21 0x2844b14a in KTabBar::qt_metacall () from /usr/local/kde4/lib/libkdeui.so.7
#22 0x28ceac53 in QMetaObject::metacall () from /usr/local/lib/qt4/libQtCore.so.4
#23 0x28cfb47f in QMetaObject::activate () from /usr/local/lib/qt4/libQtCore.so.4
#24 0x297654f9 in QAbstractButton::clicked () from /usr/local/lib/qt4/libQtGui.so.4
#25 0x2942c019 in QAbstractButtonPrivate::emitClicked () from /usr/local/lib/qt4/libQtGui.so.4
#26 0x2942cf00 in QAbstractButtonPrivate::click () from /usr/local/lib/qt4/libQtGui.so.4
#27 0x2942d16c in QAbstractButton::mouseReleaseEvent () from /usr/local/lib/qt4/libQtGui.so.4
#28 0x2906a229 in QWidget::event () from /usr/local/lib/qt4/libQtGui.so.4
#29 0x2942c31f in QAbstractButton::event () from /usr/local/lib/qt4/libQtGui.so.4
#30 0x290076cc in QApplicationPrivate::notify_helper () from /usr/local/lib/qt4/libQtGui.so.4
#31 0x2900f49e in QApplication::notify () from /usr/local/lib/qt4/libQtGui.so.4
#32 0x282f4453 in KApplication::notify () from /usr/local/kde4/lib/libkdeui.so.7
#33 0x28ce43fb in QCoreApplication::notifyInternal () from /usr/local/lib/qt4/libQtCore.so.4
#34 0x2900a879 in QApplicationPrivate::sendMouseEvent () from /usr/local/lib/qt4/libQtGui.so.4
#35 0x2909ca26 in QETWidget::translateMouseEvent () from /usr/local/lib/qt4/libQtGui.so.4
#36 0x2909bf73 in QApplication::x11ProcessEvent () from /usr/local/lib/qt4/libQtGui.so.4
#37 0x290c83d4 in x11EventSourceDispatch () from /usr/local/lib/qt4/libQtGui.so.4
#38 0x2a034247 in g_main_context_dispatch () from /usr/local/lib/libglib-2.0.so.0
#39 0x2a0382ce in g_main_context_prepare () from /usr/local/lib/libglib-2.0.so.0
#40 0x2a0388f5 in g_main_context_iteration () from /usr/local/lib/libglib-2.0.so.0
#41 0x28d14a6b in QEventDispatcherGlib::processEvents () from /usr/local/lib/qt4/libQtCore.so.4
#42 0x290c7f25 in QGuiEventDispatcherGlib::processEvents () from /usr/local/lib/qt4/libQtGui.so.4
#43 0x28ce35d3 in QEventLoop::processEvents () from /usr/local/lib/qt4/libQtCore.so.4
#44 0x28ce386a in QEventLoop::exec () from /usr/local/lib/qt4/libQtCore.so.4
#45 0x28ce5976 in QCoreApplication::exec () from /usr/local/lib/qt4/libQtCore.so.4
#46 0x29006f07 in QApplication::exec () from /usr/local/lib/qt4/libQtGui.so.4
#47 0x2e222b84 in kdemain () from /usr/local/kde4/lib/libkdeinit4_kmix.so
#48 0x0804eba5 in ?? ()
#49 0x0804fe09 in ?? ()
#50 0x08050540 in ?? ()
#51 0x08050d3d in ?? ()
#52 0x0804b897 in ?? ()
#53 0x00000002 in ?? ()
#54 0xbfbfe814 in ?? ()
#55 0xbfbfe820 in ?? ()
#56 0xbfbfe800 in ?? ()
#57 0xbfbfe810 in ?? ()
#58 0x00000000 in ?? ()
#59 0xbfbfe80c in ?? ()
#60 0x0804b808 in ?? ()

Thread 1 (Thread 2a409400 (LWP 100506/kdeinit4)):
#0  0x29c1186b in kevent () from /lib/libc.so.7
#1  0x28cc48d8 in QKqueueFileSystemWatcherEngine::run () from /usr/local/lib/qt4/libQtCore.so.4
#2  0x28bd9c4b in QThreadPrivate::start () from /usr/local/lib/qt4/libQtCore.so.4
#3  0x29b1f46a in pthread_getprio () from /lib/libthr.so.3
#4  0x00000000 in ?? ()

Reported using DrKonqi