carla@carla-MacBook:~/Scaricati$ ift-extract -a AppleUSBVideoSupport
** Message: Found firmware signature at offset 0x29C8.

** (ift-extract:3517): ERROR **: Unable to open /lib/firmware/isight.fw for writing.
Rilevato trace/breakpoint (core dump creato)
carla@carla-MacBook:~/Scaricati$