ati driver

[Message] Kernel Module : Trying to install a precompiled kernel module.
[Message] Kernel Module : Precompiled kernel module version mismatched.
[Message] Kernel Module : Found kernel module build environment, generating kernel module now.
ATI module generator V 2.0
==========================
initializing...
cleaning...
patching 'highmem.h'...
assuming new VMA API since we do have kernel 2.6.x...
 Assuming default VMAP API
 Assuming default munmap API
doing Makefile based build for kernel 2.6.x and higher
make -C /lib/modules/2.6.18-4-486/build SUBDIRS=/lib/modules/fglrx/build_mod/2.6.x modules
make[1]: Entering directory `/usr/src/linux-headers-2.6.18-4-486'
  CC [M]  /lib/modules/fglrx/build_mod/2.6.x/firegl_public.o
In file included from /lib/modules/fglrx/build_mod/2.6.x/drm_proc.h:41,
                 from /lib/modules/fglrx/build_mod/2.6.x/firegl_public.c:334:
/lib/modules/fglrx/build_mod/2.6.x/drmP.h:126:1: warning: "DRM_DEBUG_CODE" redefined
/lib/modules/fglrx/build_mod/2.6.x/firegl_public.c:178:1: warning: this is the location of the previous definition
/lib/modules/fglrx/build_mod/2.6.x/firegl_public.c:452: warning: initialization from incompatible pointer type
/lib/modules/fglrx/build_mod/2.6.x/firegl_public.c: In function ‘firegl_stub_open’:
/lib/modules/fglrx/build_mod/2.6.x/firegl_public.c:575: warning: assignment discards qualifiers from pointer target type
/lib/modules/fglrx/build_mod/2.6.x/firegl_public.c: In function ‘__ke_do_mmap’:
/lib/modules/fglrx/build_mod/2.6.x/firegl_public.c:1885: warning: assignment makes pointer from integer without a cast
/lib/modules/fglrx/build_mod/2.6.x/firegl_public.c: At top level:
/lib/modules/fglrx/build_mod/2.6.x/firegl_public.c:2387: warning: ‘deferred_flush’ defined but not used
/lib/modules/fglrx/build_mod/2.6.x/firegl_public.c: In function ‘KAS_ExecuteAtLevel’:
/lib/modules/fglrx/build_mod/2.6.x/firegl_public.c:4756: warning: ‘flags’ may be used uninitialized in this function
  LD [M]  /lib/modules/fglrx/build_mod/2.6.x/fglrx.o
  Building modules, stage 2.
  MODPOST
  CC      /lib/modules/fglrx/build_mod/2.6.x/fglrx.mod.o
  LD [M]  /lib/modules/fglrx/build_mod/2.6.x/fglrx.ko
make[1]: Leaving directory `/usr/src/linux-headers-2.6.18-4-486'
build succeeded with return value 0
duplicating results into driver repository...
done.
==============================
- recreating module dependency list
- trying a sample load of the kernel modules
failed.
[Error] Kernel Module : Failed to install compiled kernel module - please consult readme.