Program received signal SIGSEGV, Segmentation fault.
0x0075a01b in QTextEngine::boundingBox(int, int) const () from /usr/lib/libQtGui.so.4
(gdb) bt
#0  0x0075a01b in QTextEngine::boundingBox(int, int) const () from /usr/lib/libQtGui.so.4
#1  0x0073012a in QFontMetrics::boundingRect(QString const&) const () from /usr/lib/libQtGui.so.4
#2  0x008fc3f9 in ?? () from /usr/lib/libQtGui.so.4
#3  0x008fc616 in QComboBox::sizeHint() const () from /usr/lib/libQtGui.so.4
#4  0x0050d7b3 in QWidgetItemV2::updateCacheIfNecessary() const () from /usr/lib/libQtGui.so.4
#5  0x0050e7f0 in QWidgetItemV2::minimumSize() const () from /usr/lib/libQtGui.so.4
#6  0x00501bfd in ?? () from /usr/lib/libQtGui.so.4
#7  0x00502622 in ?? () from /usr/lib/libQtGui.so.4
#8  0x0050299a in QGridLayout::setGeometry(QRect const&) () from /usr/lib/libQtGui.so.4
#9  0x00509d2f in QLayoutPrivate::doResize(QSize const&) () from /usr/lib/libQtGui.so.4
#10 0x00509e57 in QLayout::activate() () from /usr/lib/libQtGui.so.4
#11 0x0050b40b in QLayout::widgetEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#12 0x004d24a6 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#13 0x004d90f9 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#14 0x00f81a3b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#15 0x00584a81 in QWidgetPrivate::setGeometry_sys(int, int, int, int, bool) () from /usr/lib/libQtGui.so.4
#16 0x0052fa90 in QWidget::setGeometry(QRect const&) () from /usr/lib/libQtGui.so.4
#17 0x00518101 in QStackedLayout::setGeometry(QRect const&) () from /usr/lib/libQtGui.so.4
#18 0x00509d2f in QLayoutPrivate::doResize(QSize const&) () from /usr/lib/libQtGui.so.4
#19 0x00509e57 in QLayout::activate() () from /usr/lib/libQtGui.so.4
#20 0x0050b40b in QLayout::widgetEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#21 0x004d24a6 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#22 0x004d90f9 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#23 0x00f81a3b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#24 0x00584a81 in QWidgetPrivate::setGeometry_sys(int, int, int, int, bool) () from /usr/lib/libQtGui.so.4
#25 0x0052fa90 in QWidget::setGeometry(QRect const&) () from /usr/lib/libQtGui.so.4
#26 0x009a74c5 in QTabWidget::setUpLayout(bool) () from /usr/lib/libQtGui.so.4
#27 0x009a78f5 in QTabWidget::showEvent(QShowEvent*) () from /usr/lib/libQtGui.so.4
#28 0x00530662 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#29 0x009a7693 in QTabWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#30 0x004d24dc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#31 0x004d90f9 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#32 0x00f81a3b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#33 0x005364a5 in QWidgetPrivate::show_helper() () from /usr/lib/libQtGui.so.4
#34 0x0053899b in QWidget::setVisible(bool) () from /usr/lib/libQtGui.so.4
#35 0x00536868 in QWidgetPrivate::showChildren(bool) () from /usr/lib/libQtGui.so.4
#36 0x005363a1 in QWidgetPrivate::show_helper() () from /usr/lib/libQtGui.so.4
#37 0x0053899b in QWidget::setVisible(bool) () from /usr/lib/libQtGui.so.4
#38 0x00a1203a in QDialog::setVisible(bool) () from /usr/lib/libQtGui.so.4
#39 0x00a11496 in QDialog::exec() () from /usr/lib/libQtGui.so.4
#40 0x0806edbf in qjackctlSocketList::addSocketItem (this=0x8adfa70) at qjackctlPatchbay.cpp:472
#41 0x080bda71 in qjackctlPatchbayForm::addOSocket (this=0x8acc060) at qjackctlPatchbayForm.cpp:624
#42 0x080fa8e8 in qjackctlPatchbayForm::qt_metacall (this=0x8acc060, _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0xbfffe158)
    at .moc/moc_qjackctlPatchbayForm.cpp:111
#43 0x00f86c9a in QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib/libQtCore.so.4
#44 0x00f953d5 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#45 0x00bfd479 in QAbstractButton::clicked(bool) () from /usr/lib/libQtGui.so.4
#46 0x008dcea9 in ?? () from /usr/lib/libQtGui.so.4
#47 0x008ddcf4 in ?? () from /usr/lib/libQtGui.so.4
#48 0x008ddfae in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4
#49 0x005307f8 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#50 0x008dcd4e in QAbstractButton::event(QEvent*) () from /usr/lib/libQtGui.so.4
#51 0x009871f2 in QPushButton::event(QEvent*) () from /usr/lib/libQtGui.so.4
#52 0x004d24dc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#53 0x004d99f7 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#54 0x00f81a3b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#55 0x004d8952 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) ()
   from /usr/lib/libQtGui.so.4
#56 0x00564088 in ?? () from /usr/lib/libQtGui.so.4
#57 0x00563511 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#58 0x0059260a in ?? () from /usr/lib/libQtGui.so.4
#59 0x013ee5e5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#60 0x013f22d8 in ?? () from /lib/libglib-2.0.so.0
#61 0x013f24b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#62 0x00fad5d5 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#63 0x00592135 in ?? () from /usr/lib/libQtGui.so.4
#64 0x00f80059 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#65 0x00f804aa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#66 0x00f8469f in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#67 0x004d2577 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#68 0x0805a80e in main (argc=1, argv=0xbffff4b4) at qjackctl.cpp:414