I can't compile the I2C modules: gcc -I/usr/src/linux/include -O2 -DLM_SENSORS -D__KERNEL__ -DMODULE -fomit-frame-pointer -DEXPORT_SYMTAB -c kernel/i2c-core.c -o kernel/i2c-core.o In file included from /usr/src/linux/include/linux/module.h:21, from kernel/i2c-core.c:25: /usr/include/linux/modversions.h:1:2: #error Modules should never use kernel-headers system headers, /usr/include/linux/modversions.h:2:2: #error but rather headers from an appropriate kernel-source package. /usr/include/linux/modversions.h:3:2: #error Change -I/usr/src/linux/include (or similar) to /usr/include/linux/modversions.h:4:2: #error -I/lib/modules/$(uname -r)/build/include /usr/include/linux/modversions.h:5:2: #error to build against the currently-running kernel.