I would have started with
Code:
harry@biker:~
$ dmesg | grep firmware
[ 3.724141] psmouse serio2: trackpoint: IBM TrackPoint firmware: 0x0e, buttons: 3/3
[ 6.873054] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
[ 7.107706] iwlwifi 0000:03:00.0: loaded firmware version 18.168.6.1 op_mode iwldvm
harry@biker:~
in Debian myself. Instead of the shotgun approach. Though the shotgun approach is still in my skill set also.