DirectFB Installation Solution

DirectFB Installation Solution-General Linux technology-Linux programming and kernel information. The following is a detailed description. Hello everyone! I installed fedora on fedora (2.6 kernel), installed dfb1.4.10, dfb_extra1.20, and some related libraries, and then installed dfb_example1.20 (compiled and installed successfully after blocking one or two sentences ), however, some examples are successful (df_andi) and some are prompted with errors (df_fire ),
[Root @ m src] #./df_fire

~~~~~~~~~~~~~~~~~~~~~~~~~~ | DirectFB 1.4.10 | ~~~~~~~~~~~~~~~~~~~~~~~~~~
(C) 2001-2010 The world wide DirectFB Open Source Community
(C) 2000-2004 Convergence (integrated media) GmbH
----------------------------------------------------------------

(*) DirectFB/Core: Single Application Core)
(*) Direct/Modules: suppress module 'x11input'
(*) Direct/Thread: Started 'sdl input' (2704) [Input OTHER/OTHER 0/0] <10485760>...
(*) DirectFB/Input: SDL Input 0.1 (Denis Oliver Kropp)
(*) DirectFB/Genefx: MMX detected and enabled
(*) DirectFB/Graphics: SDL Graphics 0.1 (directfb.org)
(*) Direct/Thread: Started 'screen update' (2705) [output other/OTHER 0/0] <10485760>...
(*) DirectFB/Core/WM: Default 0.3 (directfb.org)
(!) DirectFB/Genefx: cocould not lock destination!
--> Not supported!
(!) Core/LayerRegion: cocould not lock region surface for SetRegion ()!
--> Not supported!
(!) Core/LayerRegion: realize_region () in dfb_layer_region_flip_update () failed!
--> Not supported!
(#) DirectFBError [IDirectFBSurface: Lock () failed]: Object is suincluded!
I am using the SDL mode. what is the problem? Thank you for your advice!