Application that crashed: 
Version of the application: 1.0
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-14-generic i686
Distribution: Ubuntu 9.10

 -- Backtrace:
Application: Jockey (), signal: Segmentation fault
[KCrash Handler]
#6  0x0374c1ac in QWidget::metric (this=0x9a68f20, m=QPaintDevice::PdmDpiY) at kernel/qwidget_x11.cpp:2580
#7  0x038ae3eb in QPaintDevice::logicalDpiY (this=0xbfe4d8f0, font=..., pd=0x9a68f28) at ../../include/QtGui/../../src/gui/painting/qpaintdevice.h:96
#8  QFont (this=0xbfe4d8f0, font=..., pd=0x9a68f28) at text/qfont.cpp:709
#9  0x0370ad47 in QWidgetPrivate::updateFont (this=0x9a66278, font=...) at kernel/qwidget.cpp:4450
#10 0x0370ac78 in QWidgetPrivate::setFont_helper (this=0x9a66278) at ../../include/QtGui/private/../../../src/gui/kernel/qwidget_p.h:274
#11 QWidgetPrivate::resolveFont (this=0x9a66278) at kernel/qwidget.cpp:4427
#12 0x037153a8 in QWidget::setParent (this=0x9a68f20, parent=0x0, f=...) at kernel/qwidget.cpp:9253
#13 0x03715b1e in QWidget::setParent (this=0x0, parent=0x9a662e8) at kernel/qwidget.cpp:9172
#14 0x0371cc86 in QWidgetAction::releaseWidget (this=0x9a699c8, widget=0x9a68f20) at kernel/qwidgetaction.cpp:208
#15 0x03b06122 in ~QMenu (this=0x9a66d98, __in_chrg=<value optimized out>) at widgets/qmenu.cpp:1367
#16 0x017f86bf in ~KMenu (this=0x9a66d98, __in_chrg=<value optimized out>) at ../../kdeui/widgets/kmenu.cpp:175
#17 0x0179bbdd in ~KSystemTrayIconPrivate (this=0x9a67fa0, __in_chrg=<value optimized out>) at ../../kdeui/util/ksystemtrayicon.cpp:81
#18 ~KSystemTrayIcon (this=0x9a67fa0, __in_chrg=<value optimized out>) at ../../kdeui/util/ksystemtrayicon.cpp:182
#19 0x07696891 in sipKSystemTrayIcon::~sipKSystemTrayIcon() () from /usr/lib/pymodules/python2.6/PyKDE4/kdeui.so
#20 0x005a146f in QObjectPrivate::deleteChildren (this=0x9a67fa0) at kernel/qobject.cpp:1847
#21 0x0370d85b in ~QWidget (this=0x9a3f0f0, __in_chrg=<value optimized out>) at kernel/qwidget.cpp:1367
#22 0x03ba9184 in ~QDialog (this=0x9a3f0f0, __in_chrg=<value optimized out>) at dialogs/qdialog.cpp:298
#23 0x013642cf in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtGui.so
#24 0x01302497 in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtGui.so
#25 0x013024da in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtGui.so
#26 0x00d1aa1b in ?? () from /usr/lib/pymodules/python2.6/sip.so
#27 0x00d1aa51 in ?? () from /usr/lib/pymodules/python2.6/sip.so
#28 0x080a8ee3 in ?? ()
#29 0x0808e634 in ?? ()
#30 0x080a8f31 in ?? ()
#31 0x0808cf19 in ?? ()
#32 0x0808f377 in PyDict_SetItem ()
#33 0x08090cd3 in _PyModule_Clear ()
#34 0x080ed815 in PyImport_Cleanup ()
#35 0x080fa305 in Py_Finalize ()
#36 0x080f9daf in ?? ()
#37 0x080f9f9d in PyErr_PrintEx ()
#38 0x080fa1d2 in PyErr_Print ()
#39 0x080facfb in PyRun_SimpleFileExFlags ()
#40 0x0805c8d8 in Py_Main ()
#41 0x0805baeb in main ()

Reported using DrKonqi