Synaptics Touchpad stops working in r281560

[Rui Paulo]

On Thursday 16 April 2015 06:16:45 Ranjan1018 . wrote:
> Upgrade from r280855 to r281560 (amd64) on a Samsung Ativ Book 2 Laptop.
> The Synaptics Touchpad stops working,  in Xorg.0.log  I have the error
> message :
> 
> [  1047.413] (EE) synaptics: Mouse: Unable to query/initialize Synaptics
> hardware.
> 
> [  1047.449] (EE) PreInit returned 11 for "Mouse"

What are your boot loader settings?

-- 
Rui Paulo