On Thu, Dec 06, 2007 at 12:27:34PM +0100, Kurt Schreiner wrote: > Stopped in pid 0.1 (system) at netbsd:i8254_get_timecount+0xc4: ret > db{0}> bt > i8254_get_timecount() at netbsd:i8254_get_timecount+0xc4 > kernel: protection fault trap, code=0 It was a bug in insb() - fixed by sys/arch/amd64/amd64/cpufunc.S rev 1.4. Thanks, Andrew