Still happening with karmic (20 july 2009, 2.6.31-3-generic kernel)
Jul 20 23:09:48 casper kernel: [ 7350.274589] atkbd.c: Unknown key released (translated set 2, code 0xf5 on isa0060/serio0).
Jul 20 23:09:48 casper kernel: [ 7350.274598] atkbd.c: Use 'setkeycodes e075 <keycode>' to make it known.
Still happening with karmic (20 july 2009, 2.6.31-3-generic kernel)
Jul 20 23:09:48 casper kernel: [ 7350.274589] atkbd.c: Unknown key released (translated set 2, code 0xf5 on isa0060/serio0).
Jul 20 23:09:48 casper kernel: [ 7350.274598] atkbd.c: Use 'setkeycodes e075 <keycode>' to make it known.