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Date: Thu, 16 Apr 2015 20:06:21 +0200
From: =?windows-1252?Q?Jan_Kokem=FCller?= <jan.kokemueller@gmail.com>
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To: freebsd-current@freebsd.org
Subject: Re: Synaptics Touchpad stops working in r281560
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On 16.04.2015 06:16, 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"


Could you try to rebuild xf86-input-synaptics via ports? The kernel ABI 
has changed due to the additions to synapticshw_t in 
/usr/include/sys/mouse.h. The xorg driver calls the MOUSE_SYN_GETHWINFO 
ioctl which returns a synapticshw_t.