(gdb) r -qws [..] [Thread 0x41e4c470 (LWP 3187) exited] 0 (LWP 3192) exited] [Thread 0x44e4c470 (LWP 3193) exited] Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x400225c0 (LWP 3186)] 0x4080cd54 in QHash::operator[] () from /usr/lib/libQtGui.so.4 (gdb) thread apply all bt Thread 1 (Thread 0x400225c0 (LWP 3186)): #0 0x4080cd54 in QHash::operator[] () from /usr/lib/libQtGui.so.4 #1 0x407f5ea8 in QStyleSheetStyle::renderRule () from /usr/lib/libQtGui.so.4 #2 0x40808b10 in QStyleSheetStyle::polish () from /usr/lib/libQtGui.so.4 #3 0x0003d46c in CPToolButtonWidget::set_tool_button_state () #4 0x00031dd8 in CPMainMenuWidget::phone_state_disabled () #5 0x4109943c in QMetaObject::activate () from /usr/lib/libQtCore.so.4 #6 0x4109e3a8 in QObject::event () from /usr/lib/libQtCore.so.4 #7 0x404bda70 in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4 #8 0x404c4ee0 in QApplication::notify () from /usr/lib/libQtGui.so.4 #9 0x4108175c in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4 #10 0x410b88d8 in QTimerInfoList::activateTimers () from /usr/lib/libQtCore.so.4 #11 0x410b997c in QEventDispatcherUNIX::processEvents () ---Type to continue, or q to quit--- from /usr/lib/libQtCore.so.4 #12 0x4053b670 in QEventDispatcherQWS::processEvents () from /usr/lib/libQtGui.so.4 #13 0x4107fa78 in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4 #14 0x4107fd58 in QEventLoop::exec () from /usr/lib/libQtCore.so.4 #15 0x41085ec8 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4 #16 0x0001993c in main () (gdb)