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From: Rui Paulo <rpaulo@me.com>
To: freebsd-current@freebsd.org
Cc: "Ranjan1018 ." <214748mv@gmail.com>
Subject: Re: Synaptics Touchpad stops working in r281560
Date: Wed, 15 Apr 2015 21:36:10 -0700
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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