Comment 39 for bug 978807

Ahmed Shams (ashams) wrote :

Hi,
Their is a workaround, it is to remove and install psmouse driver, please open your Terminal(Ctrl+Alt+T) and run:

sudo rmmod psmouse
sudo insmod /lib/modules/`uname -r`/kernel/drivers/input/mouse/psmouse.ko

Did that work for you?