With the Debian config (that enables a lot of modules) I get the following build error on Cobalt with 2.6.26-rc1: MODPOST 778 modules ERROR: "i2c_master_send" [drivers/media/video/tuner.ko] undefined! ERROR: "i2c_detach_client" [drivers/media/video/tuner.ko] undefined! ERROR: "i2c_del_driver" [drivers/media/video/tuner.ko] undefined! ERROR: "v4l2_i2c_attach" [drivers/media/video/tuner.ko] undefined! ERROR: "i2c_register_driver" [drivers/media/video/tuner.ko] undefined! ERROR: "i2c_master_recv" [drivers/media/video/tuner.ko] undefined! ERROR: "i2c_probe" [drivers/media/video/tuner.ko] undefined! ERROR: "i2c_register_driver" [drivers/media/video/mt9v022.ko] undefined! ERROR: "i2c_smbus_write_word_data" [drivers/media/video/mt9v022.ko] undefined! ERROR: "i2c_smbus_read_word_data" [drivers/media/video/mt9v022.ko] undefined! ERROR: "i2c_del_driver" [drivers/media/video/mt9v022.ko] undefined! ERROR: "i2c_register_driver" [drivers/media/video/mt9m001.ko] undefined! ERROR: "i2c_smbus_write_word_data" [drivers/media/video/mt9m001.ko] undefined! ERROR: "i2c_smbus_read_word_data" [drivers/media/video/mt9m001.ko] undefined! ERROR: "i2c_del_driver" [drivers/media/video/mt9m001.ko] undefined! ERROR: "i2c_transfer" [drivers/media/common/tuners/xc5000.ko] undefined! ERROR: "i2c_transfer" [drivers/media/common/tuners/tuner-xc2028.ko] undefined! ERROR: "i2c_transfer" [drivers/media/common/tuners/tuner-simple.ko] undefined! ERROR: "i2c_clients_command" [drivers/media/common/tuners/tuner-simple.ko] undefined! ERROR: "i2c_transfer" [drivers/media/common/tuners/tea5767.ko] undefined! ERROR: "i2c_transfer" [drivers/media/common/tuners/tea5761.ko] undefined! ERROR: "i2c_transfer" [drivers/media/common/tuners/tda9887.ko] undefined! ERROR: "i2c_transfer" [drivers/media/common/tuners/tda8290.ko] undefined! ERROR: "i2c_transfer" [drivers/media/common/tuners/mt20xx.ko] undefined! -- Martin Michlmayr http://www.cyrius.com/