> I'm working on embedded system.
> I have a usb mouse connect it.
>
> On start-up linux print:
> ...
> input: Logitech USB Mouse as /class/input/input0
> input: USB HID v1.10 Mouse [Logitech USB Mouse] on usb-ep93xx-1

Good, so the kernel is OK

> but when I run dbinfo utility...
>
>
> *sh-2.05b# ./dfbinfo*
>
>      =======================|  DirectFB 1.0.0  |=======================
>           (c) 2001-2007  The DirectFB Organization (directfb.org)
>           (c) 2000-2004  Convergence (integrated media) GmbH
>         ------------------------------------------------------------
>
> (*) DirectFB/Core: Single Application Core. (2007-05-30 09:29)
> (*) Direct/Thread: Running 'VT Switcher' (CRITICAL, 1239)...
> (*) Direct/Thread: Running 'Keyboard Input' (INPUT, 1240)...
> (*) DirectFB/Input: Keyboard 0.9 (directfb.org)
> (*) DirectFB/Graphics: Generic Software Rasterizer 0.6 (directfb.org)
> (*) DirectFB/Core/WM: Default 0.3 (directfb.org)

There should be a line there saying "LinuxInput", something like this:

(*) Direct/Thread: Running 'Linux Input' (INPUT, 2334)...

DirectFB's LinuxInput is responsible for reading from the /dev/input 
kernel devices.

So, I think that you need to enable LinuxInput when you compile 
DirectFB, i.e. "./configure .... --with-inputdrivers=linuxinput,..."


Phil.





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