[xorg-server-1.9.2.902] How to set "EmulateWheelButton" with no hal?

[Peter Hutterer]

On Sun, 26 Dec 2010 08:27:26 -0800, walt <w41ter at gmail.com> wrote:
> On 12/25/2010 10:31 PM, Peter Hutterer wrote:
> > On Sat, 25 Dec 2010 14:23:08 -0800, walt<w41ter at gmail.com>  wrote:
>  >>
> >> Until now I've been using a hal fdi file to set EmulateWheelButton to 8,
> >> but now hal is gone, so what to do instead?
> 
> > http://who-t.blogspot.com/2010/01/new-configuration-world-order.html
> 
> Thanks Peter.  I got the emulate wheel working again with this:
> 
> $cat /etc/X11/xorg.conf.d/10-trackball.conf
> 
> Section "InputClass"
>          Identifier "pointer"
>          MatchProduct "ImExPS"
>          Driver "evdev"
>          Option "AutoServerLayout" "on"
>          Option "Emulate3Buttons" "on"
>          Option "EmulateWheel" "on"
>          Option "EmulateWheelButton" "8"
> EndSection
> 
> Even though the mouse works normally, these lines at the end of Xorg.log make
> me suspect that something is still not right:
> 
> [  5223.204] (II) config/udev: Adding input device ImExPS/2 Logitech Explorer Mouse (/dev/input/mouse0)
> [  5223.204] (**) ImExPS/2 Logitech Explorer Mouse: Applying InputClass "pointer"
> [  5223.204] (**) ImExPS/2 Logitech Explorer Mouse: always reports core events
> [  5223.204] (**) ImExPS/2 Logitech Explorer Mouse: Device: "/dev/input/mouse0"
> [  5223.204] (EE) ioctl EVIOCGNAME failed: Inappropriate ioctl for device
> [  5223.204] (II) UnloadModule: "evdev"
> [  5223.204] (EE) PreInit returned NULL for "ImExPS/2 Logitech Explorer Mouse"
> 
> Are those errors something to worry about?

no, just a misconfiguration with no side-effects other than the error
message. see the post below for more details
http://who-t.blogspot.com/2010/11/how-to-ignore-configuration-errors.html

Cheers,
  Peter