Comment 15 for bug 1014240

Ha haaa... thanks Lukasz; I went up to the kernel i8042.c to understand the ignore option and concluded that it does nothing ;)

I've just updated /etc/default/grub with:

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash i8042.reset"

If someone is interested, here are the i8042 kernel option:
        i8042.debug [HW] Toggle i8042 debug mode
        i8042.direct [HW] Put keyboard port into non-translated mode
        i8042.dumbkbd [HW] Pretend that controller can only read data from
                             keyboard and cannot control its state
                             (Don't attempt to blink the leds)
        i8042.noaux [HW] Don't check for auxiliary (== mouse) port
        i8042.nokbd [HW] Don't check/create keyboard port
        i8042.noloop [HW] Disable the AUX Loopback command while probing
                             for the AUX port
        i8042.nomux [HW] Don't check presence of an active multiplexing
                             controller
        i8042.nopnp [HW] Don't use ACPIPnP / PnPBIOS to discover KBD/AUX
                             controllers
        i8042.notimeout [HW] Ignore timeout condition signalled by conroller
        i8042.reset [HW] Reset the controller during init and cleanup
        i8042.unlock [HW] Unlock (ignore) the keylock