Application that crashed: 
Version of the application: 1.0
KDE Version: 4.3.00 (KDE 4.3.0)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-5-generic x86_64
Distribution: Ubuntu karmic (development branch)

What I was doing when the application crashed:
I chose not to install any drivers by closing the window. And then it chrashed

 -- Backtrace:
Application: Jockey (), signal: Segmentation fault
[KCrash Handler]
#4  0x00007fa7b3022c79 in QWidget::metric (this=0x1520a50, m=QPaintDevice::PdmDpiY) at kernel/qwidget_x11.cpp:2580
#5  0x00007fa7b316c0ec in QPaintDevice::logicalDpiY (this=0x7fff9279d850, font=..., pd=0x1520a60) at ../../include/QtGui/../../src/gui/painting/qpaintdevice.h:96
#6  QFont (this=0x7fff9279d850, font=..., pd=0x1520a60) at text/qfont.cpp:709
#7  0x00007fa7b2fe6bd3 in QWidgetPrivate::updateFont (this=0x14e3ba0, font=...) at kernel/qwidget.cpp:4450
#8  0x00007fa7b2fe6b0c in QWidgetPrivate::setFont_helper (this=0x14e3ba0) at ../../include/QtGui/private/../../../src/gui/kernel/qwidget_p.h:274
#9  QWidgetPrivate::resolveFont (this=0x14e3ba0) at kernel/qwidget.cpp:4427
#10 0x00007fa7b2ff06fd in QWidget::setParent (this=0x1520a50, parent=0x0, f=) at kernel/qwidget.cpp:9253
#11 0x00007fa7b2ff0db2 in QWidget::setParent (this=0x14e3d38, parent=0x8) at kernel/qwidget.cpp:9172
#12 0x00007fa7b2ff7650 in QWidgetAction::releaseWidget (this=0x14ee7a0, widget=0x1520a50) at kernel/qwidgetaction.cpp:208
#13 0x00007fa7b3387377 in ~QMenu (this=0x14ff2a0, __in_chrg=<value optimized out>) at widgets/qmenu.cpp:1367
#14 0x00007fa7ae1ac16b in ~KMenu (this=0x14ff2a0, __in_chrg=<value optimized out>) at ../../kdeui/widgets/kmenu.cpp:175
#15 0x00007fa7ae15905e in ~KSystemTrayIconPrivate (this=0x150b960, __in_chrg=<value optimized out>) at ../../kdeui/util/ksystemtrayicon.cpp:81
#16 ~KSystemTrayIcon (this=0x150b960, __in_chrg=<value optimized out>) at ../../kdeui/util/ksystemtrayicon.cpp:182
#17 0x00007fa7ae8a93ae in ~sipKSystemTrayIcon (this=0x150b960, __in_chrg=<value optimized out>) at sipkdeuipart2.cpp:70747
#18 0x00007fa7b5462dac in QObjectPrivate::deleteChildren (this=0x14a8550) at kernel/qobject.cpp:1847
#19 0x00007fa7b2fe9923 in ~QWidget (this=0x14999f0, __in_chrg=<value optimized out>) at kernel/qwidget.cpp:1367
#20 0x00007fa7b3ede7b8 in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtGui.so
#21 0x00007fa7b3e810de in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtGui.so
#22 0x00007fa7b42d1f19 in ?? () from /usr/lib/pymodules/python2.6/sip.so
#23 0x000000000046a268 in subtype_dealloc (self=0x12c4a68) at ../Objects/typeobject.c:1024
#24 0x000000000044d6f3 in dict_dealloc (mp=0x1499c90) at ../Objects/dictobject.c:911
#25 0x000000000046a2b7 in subtype_dealloc (self=0x1304c50) at ../Objects/typeobject.c:1009
#26 0x000000000044bf57 in insertdict (mp=0xa4a270, key=0x7fa7b6affd20, hash=14976045044, value=0x81b5c0) at ../Objects/dictobject.c:459
#27 0x000000000044e517 in PyDict_SetItem (op=0xa4a270, key=0x7fa7b6affd20, value=0x81b5c0) at ../Objects/dictobject.c:701
#28 0x000000000044ffce in _PyModule_Clear (m=<value optimized out>) at ../Objects/moduleobject.c:138
#29 0x00000000004b4ffa in PyImport_Cleanup () at ../Python/import.c:444
#30 0x00000000004c2735 in Py_Finalize () at ../Python/pythonrun.c:434
#31 0x00000000004c21c3 in Py_Exit () at ../Python/pythonrun.c:1714
#32 handle_system_exit () at ../Python/pythonrun.c:1116
#33 0x00000000004c23e5 in PyErr_PrintEx (set_sys_last_vars=1) at ../Python/pythonrun.c:1126
#34 0x00000000004c3170 in PyRun_SimpleFileExFlags (fp=<value optimized out>, filename=0x7fff9279fe7b "/usr/bin/jockey-kde", closeit=1, flags=0x7fff9279df90) at ../Python/pythonrun.c:935
#35 0x0000000000418a47 in Py_Main (argc=-1230552960, argv=<value optimized out>) at ../Modules/main.c:599
#36 0x00007fa7b5b56acd in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, 
    rtld_fini=<value optimized out>, stack_end=0x7fff9279e0a8) at libc-start.c:220
#37 0x0000000000417c39 in _start () at ../sysdeps/x86_64/elf/start.S:113

Reported using DrKonqi