.
Thread 1 (process 29857):
#0  0xb7e5ddfb in Q3TextParagraph::lineStartOfChar ()
   from /usr/lib/libQt3Support.so.4
#1  0xb7e9899a in Q3TextCursor::y () from /usr/lib/libQt3Support.so.4
#2  0xb7e3a1b2 in Q3TextEdit::drawCursor () from /usr/lib/libQt3Support.so.4
#3  0xb7e3cabb in Q3TextEdit::setCursorPosition ()
   from /usr/lib/libQt3Support.so.4
#4  0x08057346 in ?? ()
#5  0x08099d94 in ?? ()
#6  0xb751caa8 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#7  0xb751d42a in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#8  0x0809ad55 in ?? ()
#9  0x0808dff0 in ?? ()
#10 0x0809aead in ?? ()
#11 0xb751caa8 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#12 0xb751cd2f in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#13 0xb7b26e91 in QAbstractButton::clicked () from /usr/lib/libQtGui.so.4
#14 0xb7945099 in ?? () from /usr/lib/libQtGui.so.4
#15 0xb7946749 in ?? () from /usr/lib/libQtGui.so.4
#16 0xb7946962 in QAbstractButton::mouseReleaseEvent ()
   from /usr/lib/libQtGui.so.4
#17 0xb76fce41 in QWidget::event () from /usr/lib/libQtGui.so.4
#18 0xb7945be5 in QAbstractButton::event () from /usr/lib/libQtGui.so.4
#19 0xb79c0344 in QPushButton::event () from /usr/lib/libQtGui.so.4
#20 0xb76b2190 in QApplicationPrivate::notify_helper ()
   from /usr/lib/libQtGui.so.4
#21 0xb76b4bf3 in QApplication::notify () from /usr/lib/libQtGui.so.4
#22 0xb770d639 in ?? () from /usr/lib/libQtGui.so.4
#23 0xb770c1c8 in QApplication::x11ProcessEvent () from /usr/lib/libQtGui.so.4
#24 0xb7730f34 in ?? () from /usr/lib/libQtGui.so.4
#25 0xb6b42df2 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#26 0xb6b45dcf in ?? () from /usr/lib/libglib-2.0.so.0
#27 0x080b9e90 in ?? ()
#28 0x00000000 in ?? ()