From Xorg.0.log:
(II) config/hal: removing device AlpsPS/2 ALPS GlidePoint
...
(II) config/hal: Adding input device AlpsPS/2 ALPS GlidePoint
From Xorg.0.log:
(II) config/hal: removing device AlpsPS/2 ALPS GlidePoint
...
(II) config/hal: Adding input device AlpsPS/2 ALPS GlidePoint