depmod -ae -F System.map 2.4.0-test13-pre3
depmod: *** Unresolved symbols in /lib/modules/2.4.0-test13-pre3/kernel/drivers/usb/dsbr100.o
depmod: video_register_device
depmod: video_unregister_device
depmod: *** Unresolved symbols in /lib/modules/2.4.0-test13-pre3/kernel/drivers/usb/ibmcam.o
depmod: video_register_device
depmod: video_unregister_device
depmod: *** Unresolved symbols in /lib/modules/2.4.0-test13-pre3/kernel/drivers/usb/ov511.o
depmod: video_proc_entry
depmod: video_register_device
depmod: video_unregister_device