Comment 17 for bug 921082

I experience something similar to this bug on Ubuntu 12.04 (default X stack and kernel), on Ubuntu 11.10 and 12.04 with xorg-edgers ppa stack.
This bug did not exist on Ubuntu 11.10 with default X stack.

The pointer sometimes keeps moving in the same direction when the finger stops, and the pointer moves too fast.
Small and precise movements are unpredictable, so the touchpad is nearly unusable for text edit, or even clicking on window controls.
I had to set speed and acceleration to the lowest value to use this touchpad, but this is not even a real workaround.

I know this bug is known on the debian and archlinux bugtrackers, users report the same issue on launchpad.

I get the following outputs :
$ egrep -i 'synap|alps|etps' /proc/bus/input/devices
N: Name="ETPS/2 Elantech Touchpad"

$ synclient -l | awk '/=/{printf "Option \"%s\" \"%s\"\n",$1,$3}'
   PressureMotionMinZ = format mismatch (32)
   PressureMotionMaxZ = format mismatch (32)