Comment 4 for bug 1180120

This still happens on Xubuntu 13.10. Actually, I have an external keyboard plugged in all the time and it seemed to happen whenever I restarted or woke the system from suspension. 32-bit Xubuntu, Xfce version 4.10.1.

Contents of $HOME/.config/xfce4/xfconf/xfce-perchannel-xml/keyboards.xmlkeyboards.xml:

<?xml version="1.0" encoding="UTF-8"?>

<channel name="keyboards" version="1.0">
  <property name="Default" type="empty">
    <property name="KeyRepeat" type="empty">
      <property name="Delay" type="int" value="350"/>
      <property name="Rate" type="int" value="30"/>
    </property>
    <property name="Numlock" type="bool" value="true"/>
  </property>
</channel>