> You can install i2c from our i2c-2.7.0 package. It doesn't require to > patch the kernel. Just make sure you don't have any I2C module built > into the kernel itself, and install all the modules from our package > (make && make install && depmod -ae should just do it). i compiled & instaled i2c-2.7.0 and when doing 'make' in lm-sensors shows the same error: h -D__KERNEL__ -DMODULE -DEXPORT_SYMTAB -fomit-frame-pointer -I. -Ikernel/in clud e -I/usr/local/include -I/lib/modules/2.4.21/build/include -O2 -c kernel/bus ses/i2c-amd8111.c -o kernel/busses/i2c-amd8111.o kernel/busses/i2c-amd8111.c:25:2: #error Your i2c is too old - i2c-2.7.0 or grea ter required! kernel/busses/i2c-amd8111.c: En la funci?n `amd8111_access': kernel/busses/i2c-amd8111.c:238: `I2C_CLIENT_PEC' no ha sido declarado aqu? (pri mero ?selo en esta funci?n) kernel/busses/i2c-amd8111.c:238: (Cada identificador no declarado solamente se r eporta una vez kernel/busses/i2c-amd8111.c:238: para cada funcion en la que aparece.) kernel/busses/i2c-amd8111.c:298: `I2C_SMBUS_BLOCK_PROC_CALL' no ha sido declarad o aqu? (primero ?selo en esta funci?n) kernel/busses/i2c-amd8111.c:309: `I2C_SMBUS_WORD_DATA_PEC' no ha sido declarado aqu? (primero ?selo en esta funci?n) kernel/busses/i2c-amd8111.c:310: `I2C_SMBUS_BLOCK_DATA_PEC' no ha sido declarado aqu? (primero ?selo en esta funci?n) kernel/busses/i2c-amd8111.c:311: `I2C_SMBUS_PROC_CALL_PEC' no ha sido declarado aqu? (primero ?selo en esta funci?n) kernel/busses/i2c-amd8111.c:312: `I2C_SMBUS_BLOCK_PROC_CALL_PEC' no ha sido decl arado aqu? (primero ?selo en esta funci?n) kernel/busses/i2c-amd8111.c: En la funci?n `amd8111_func': kernel/busses/i2c-amd8111.c:385: `I2C_FUNC_SMBUS_BLOCK_PROC_CALL' no ha sido dec larado aqu? (primero ?selo en esta funci?n) kernel/busses/i2c-amd8111.c:386: `I2C_FUNC_SMBUS_HWPEC_CALC' no ha sido declarad o aqu? (primero ?selo en esta funci?n) kernel/busses/i2c-amd8111.c: En la funci?n `amd8111_probe': kernel/busses/i2c-amd8111.c:426: `I2C_HW_SMBUS_AMD8111' no ha sido declarado aqu ? (primero ?selo en esta funci?n) make: *** [kernel/busses/i2c-amd8111.o] Error 1