code:
 [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/2.6.20-my2/build SUBDIRS=/lib/modules/fglrx/build_mod/2.6.x modules
make[1]: Entering directory `/usr/src/linux-2.6.20'
  CC [M]  /lib/modules/fglrx/build_mod/2.6.x/firegl_public.o
/lib/modules/fglrx/build_mod/2.6.x/firegl_public.c:208: error: expected declaration specifiers or '...' before 'mlock'
/lib/modules/fglrx/build_mod/2.6.x/firegl_public.c:208: error: expected declaration specifiers or '...' before 'addr'
/lib/modules/fglrx/build_mod/2.6.x/firegl_public.c:208: error: expected declaration specifiers or '...' before 'len' 
и и много такой фигни 

code:
 [Message] Kernel Module : Precompiled kernel module version mismatched.