having issues with kenel

[cyberthug]

i get an error when doing make && make install modules_install it gets a ways thro but this is what i get

sh /usr/src/linux-2.6.26.8/arch/x86/boot/install.sh 2.6.26.8-rt16 arch/x86/boot/bzImage System.map "/boot"
WARNING: Couldn't open directory /lib/modules/2.6.26.8-rt16: No such file or directory
FATAL: Could not open /lib/modules/2.6.26.8-rt16/modules.dep.temp for writing: No such file or directory
No modules available for kernel "2.6.26.8-rt16".
mkinitrd failed
make[1]: *** [install] Error 1
make: *** [install] Error 2