[root@localhost ~]# depmod -a
WARNING: could not open /lib/modules/2.6.32.20121810.2-n950/modules.builtin: No such file or directory

[root@localhost ~]# ls /lib/modules/
2.6.32.20112201-18.2.Nemo.Adaptation.N950.N9-n950  2.6.32.20121810.2-n950
[root@localhost ~]# ls /lib/modules/2.6.32.20121810.2-n950/
build   modules.alias      modules.builtin.bin  modules.dep.bin  modules.order    modules.symbols      source
kernel  modules.alias.bin  modules.dep          modules.devname  modules.softdep  modules.symbols.bin