XExtension Device

Peter Hutterer peter.hutterer at who-t.net
Thu Jan 26 14:19:08 PST 2012

On Thu, Jan 26, 2012 at 04:54:58PM +0100, Pascual Castellon Gadea wrote:
> Dear all,
> I recently installed CentOS 6 in one on my computers. CentOS 6 comes
> with X.Org X Server 1.10.4 as shown in the log file.
> I noticed many changes with the previous version or xorg, but my
> main problem now, is the Extension Devices configuration.
> I have a wacom tablet connected through port USB. The piece of
> xorg.conf related is:
> Section "InputDevice"
>     Identifier     "WACOM_TABLET"
>     Driver         "wacom"
>     Option         "Device" "/dev/input/wacom"
>     Option         "USB" "on"
> #    Option         "SendCoreEvents" "off"
>     Option         "Floating" "on"
>     Option         "Type" "Stylus"
>     Option         "Mode" "Absolute"
> EndSection
> I commented out the former 'SendCoreEvents' option since I read
> somewhere this option was changed for 'Floating'. But even when
> I set this option, and I see is recognized in the log file, as:
> [229352.620] (II) Using input driver 'wacom' for 'WACOM_TABLET'
> [229352.620] (II) Loading /usr/lib/xorg/modules/input/wacom_drv.so
> [229352.620] (**) Option "Floating" "on"
> [229352.620] (**) WACOM_TABLET: doesn't report core events
> [229352.620] (**) Option "Device" "/dev/input/wacom"
> [229352.642] (EE) PreInit returned 8 for "WACOM_TABLET"
> [229352.642] (II) UnloadModule: "wacom"
> [229352.642] (II) Unloading wacom
> I noticed the line '(EE) PreInit returned 8 for "WACOM_TABLET"'
> which might be the focus of the problem.
> How to configure my wacom tablet as an extension device?
> How to make the preInit line error disappear?

probably by fixing the driver, if PreInit returns 8 something has gone wrong
with the driver and it could not initialise the device. Option CommonDBG or
DebugLevel may provide you with more information here but it's best to file
a bug with the details about your device.


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