I tried to build madwifi module, using linux-headers-2.6.29-1, and had such error: /usr/src/linux-headers-2.6.29-1-common/arch/x86/Makefile_32.cpu: No such file or directory make[3]: *** No rule to make target `/usr/src/linux-headers-2.6.29-1-common/arch/x86/Makefile_32.cpu'. Stop. make[2]: *** [sub-make] Error 2