Same issue in Oneiric, even if Oneiric seems to get rather fast before falling back before deciding to use the touchpad as a simple mouse:

[    38.421] (II) config/udev: Adding input device PS/2 Mouse (/dev/input/event7)
[    38.421] (**) PS/2 Mouse: Applying InputClass "evdev pointer catchall"
[    38.421] (II) Using input driver 'evdev' for 'PS/2 Mouse'
[    38.421] (II) Loading /usr/lib/xorg/modules/input/evdev_drv.so
[    38.421] (**) PS/2 Mouse: always reports core events
[    38.421] (**) PS/2 Mouse: Device: "/dev/input/event7"
[    38.421] (--) PS/2 Mouse: Found 3 mouse buttons
[    38.421] (--) PS/2 Mouse: Found relative axes
[    38.421] (--) PS/2 Mouse: Found x and y relative axes
[    38.421] (II) PS/2 Mouse: Configuring as mouse
[    38.421] (**) PS/2 Mouse: YAxisMapping: buttons 4 and 5
[    38.421] (**) PS/2 Mouse: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200
[    38.421] (**) Option "config_info" "udev:/sys/devices/platform/i8042/serio1/input/input7/event7"
[    38.421] (II) XINPUT: Adding extended input device "PS/2 Mouse" (type: MOUSE)
[    38.422] (II) PS/2 Mouse: initialized for relative axes.
[    38.422] (**) PS/2 Mouse: (accel) keeping acceleration scheme 1
[    38.422] (**) PS/2 Mouse: (accel) acceleration profile 0
[    38.422] (**) PS/2 Mouse: (accel) acceleration factor: 2.000
[    38.422] (**) PS/2 Mouse: (accel) acceleration threshold: 4
[    38.423] (II) config/udev: Adding input device PS/2 Mouse (/dev/input/mouse0)
[    38.423] (II) No input driver/identifier specified (ignoring)
[    38.424] (II) config/udev: Adding input device AlpsPS/2 ALPS GlidePoint (/dev/input/event8)
[    38.424] (**) AlpsPS/2 ALPS GlidePoint: Applying InputClass "evdev touchpad catchall"
[    38.424] (**) AlpsPS/2 ALPS GlidePoint: Applying InputClass "Multitouch Touchpad"
[    38.424] (II) LoadModule: "multitouch"
[    38.424] (II) Loading /usr/lib/xorg/modules/input/multitouch_drv.so
[    38.425] (II) Module multitouch: vendor="X.Org Foundation"
[    38.425] 	compiled for 1.10.1, module version = 0.1.0
[    38.425] 	Module class: X.Org XInput Driver
[    38.425] 	ABI class: X.Org XInput driver, version 12.3
[    38.425] (II) Using input driver 'multitouch' for 'AlpsPS/2 ALPS GlidePoint'
[    38.425] (II) Loading /usr/lib/xorg/modules/input/multitouch_drv.so
[    38.425] (**) AlpsPS/2 ALPS GlidePoint: always reports core events
[    38.425] (**) Option "config_info" "udev:/sys/devices/platform/i8042/serio1/input/input8/event8"
[    38.425] (II) XINPUT: Adding extended input device "AlpsPS/2 ALPS GlidePoint" (type: TOUCHPAD)
[    38.425] (II) device control: init
[    38.425] (**) Option "Device" "/dev/input/event8"
[    38.425] (II) multitouch: devname: AlpsPS/2 ALPS GlidePoint
[    38.425] (II) multitouch: devid: 2 8 7326
[    38.425] (II) multitouch: caps: left middle right
[    38.426] (II) pointer_control
[    38.426] (**) AlpsPS/2 ALPS GlidePoint: (accel) keeping acceleration scheme 1
[    38.426] (II) pointer_property
[    38.426] (II) pointer_property
[    38.426] (**) AlpsPS/2 ALPS GlidePoint: (accel) acceleration profile 0
[    38.426] (II) pointer_property
[    38.426] (II) pointer_property
[    38.426] (**) AlpsPS/2 ALPS GlidePoint: (accel) acceleration factor: 2.000
[    38.426] (**) AlpsPS/2 ALPS GlidePoint: (accel) acceleration threshold: 4
[    38.426] (II) device control: on
[    38.426] (II) pointer_property
[    38.426] (II) pointer_property
[    38.427] (II) config/udev: Adding input device AlpsPS/2 ALPS GlidePoint (/dev/input/mouse1)
[    38.427] (**) AlpsPS/2 ALPS GlidePoint: Applying InputClass "Multitouch Touchpad"
[    38.427] (II) Using input driver 'multitouch' for 'AlpsPS/2 ALPS GlidePoint'
[    38.427] (II) Loading /usr/lib/xorg/modules/input/multitouch_drv.so
[    38.427] (**) AlpsPS/2 ALPS GlidePoint: always reports core events
[    38.428] (**) Option "config_info" "udev:/sys/devices/platform/i8042/serio1/input/input8/mouse1"
[    38.428] (II) XINPUT: Adding extended input device "AlpsPS/2 ALPS GlidePoint" (type: TOUCHPAD)
[    38.428] (II) device control: init
[    38.428] (**) Option "Device" "/dev/input/mouse1"
[    38.428] (EE) multitouch: cannot configure device
[    38.428] (EE) Couldn't init device "AlpsPS/2 ALPS GlidePoint"
[    38.428] (II) UnloadModule: "multitouch"
[    38.428] (II) Unloading multitouch