Comment 1 for bug 367265

Same here, on a AMD64, Kubuntu 9.04-32bit, 3Gb, ATi Radeon 9600.

Application: Jockey (), signal SIGSEGV

Thread 1 (Thread 0xb7e576c0 (LWP 3862)):
[KCrash Handler]
#6 0xb68e200a in QWidget::metric () from /usr/lib/libQtGui.so.4
#7 0xb6a730b9 in QFont::QFont () from /usr/lib/libQtGui.so.4
#8 0xb68a0ff7 in QWidgetPrivate::updateFont () from /usr/lib/libQtGui.so.4
#9 0xb68a0f28 in QWidgetPrivate::resolveFont () from /usr/lib/libQtGui.so.4
#10 0xb68aca9b in QWidget::setParent () from /usr/lib/libQtGui.so.4
#11 0xb68acf0e in QWidget::setParent () from /usr/lib/libQtGui.so.4
#12 0xb68b2da6 in QWidgetAction::releaseWidget () from /usr/lib/libQtGui.so.4
#13 0xb6cc7b4a in QMenu::~QMenu () from /usr/lib/libQtGui.so.4
#14 0xb53d8cbf in KMenu::~KMenu () from /usr/lib/libkdeui.so.5
#15 0xb537d55d in KSystemTrayIcon::~KSystemTrayIcon () from /usr/lib/libkdeui.so.5
#16 0xb57fee71 in sipKSystemTrayIcon::~sipKSystemTrayIcon () from /usr/lib/python2.6/dist-packages/PyKDE4/kdeui.so
#17 0xb7aaee3f in QObjectPrivate::deleteChildren () from /usr/lib/libQtCore.so.4
#18 0xb68a36fb in QWidget::~QWidget () from /usr/lib/libQtGui.so.4
#19 0xb6d6bb66 in QDialog::~QDialog () from /usr/lib/libQtGui.so.4
#20 0xb7566cb5 in ?? () from /usr/lib/python2.6/dist-packages/PyQt4/QtGui.so
#21 0xb750af8c in ?? () from /usr/lib/python2.6/dist-packages/PyQt4/QtGui.so
#22 0xb750afce in ?? () from /usr/lib/python2.6/dist-packages/PyQt4/QtGui.so
#23 0xb77545a3 in ?? () from /usr/lib/python2.6/dist-packages/sip.so
#24 0x080a90d5 in ?? ()
#25 0x0808e184 in ?? ()
#26 0x080a915b in ?? ()
#27 0x0808cb61 in ?? ()
#28 0x0808ee69 in PyDict_SetItem ()
#29 0x080909c1 in _PyModule_Clear ()
#30 0x080f17a2 in PyImport_Cleanup ()
#31 0x080fd90d in Py_Finalize ()
#32 0x080fd371 in ?? ()
#33 0x080fd55d in PyErr_PrintEx ()
#34 0x080fd7c2 in PyErr_Print ()
#35 0x080fe392 in PyRun_SimpleFileExFlags ()
#36 0x0805c882 in Py_Main ()
#37 0x0805b972 in main ()

Gr. Constant

p.s. Apart from this bug the system radomly freezes completely with black screen. Looks like a thing when starting more than one application or one that requires root authorization.